graal-compiler: graal/GraalCompiler/src/com/sun/c1x/graph/GraphBuilder.java annotate

annotate graal/GraalCompiler/src/com/sun/c1x/graph/GraphBuilder.java @ 2515:4fdef1464592

Removed extended bytecodes and related HIR instructions.

author	Thomas Wuerthinger <thomas@wuerthinger.net>
date	Wed, 27 Apr 2011 15:36:29 +0200
parents	16b9a8b5ad39
children	a384fac3fd34

rev	line source
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1 /*
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	4 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	7 * published by the Free Software Foundation.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	8 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	13 * accompanied this code).
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	14 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	18 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	21 * questions.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	22 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	23 package com.sun.c1x.graph;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	24
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	25 import static com.sun.cri.bytecode.Bytecodes.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	26 import static java.lang.reflect.Modifier.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	27
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	28 import java.lang.reflect.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	29 import java.util.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	30
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	31 import com.sun.c1x.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	32 import com.sun.c1x.debug.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	33 import com.sun.c1x.graph.ScopeData.ReturnBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	34 import com.sun.c1x.ir.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	35 import com.sun.c1x.opt.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	36 import com.sun.c1x.util.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	37 import com.sun.c1x.value.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	38 import com.sun.cri.bytecode.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	39 import com.sun.cri.ci.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	40 import com.sun.cri.ri.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	41 import com.sun.cri.ri.RiType.Representation;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	42
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	43 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	44 * The {@code GraphBuilder} class parses the bytecode of a method and builds the IR graph.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	45 * A number of optimizations may be performed during parsing of the bytecode, including value
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	46 * numbering, inlining, constant folding, strength reduction, etc.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	47 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	48 * @author Ben L. Titzer
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	49 * @author Doug Simon
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	50 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	51 public final class GraphBuilder {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	52
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	53 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	54 * The minimum value to which {@link C1XOptions#TraceBytecodeParserLevel} must be set to trace
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	55 * the bytecode instructions as they are parsed.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	56 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	57 public static final int TRACELEVEL_INSTRUCTIONS = 1;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	58
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	59 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	60 * The minimum value to which {@link C1XOptions#TraceBytecodeParserLevel} must be set to trace
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	61 * the frame state before each bytecode instruction as it is parsed.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	62 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	63 public static final int TRACELEVEL_STATE = 2;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	64
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	65 final IR ir;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	66 final C1XCompilation compilation;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	67 final CiStatistics stats;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	68
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	69 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	70 * Map used to implement local value numbering for the current block.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	71 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	72 final ValueMap localValueMap;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	73
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	74 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	75 * Map used for local load elimination (i.e. within the current block).
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	76 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	77 final MemoryMap memoryMap;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	78
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	79 final Canonicalizer canonicalizer; // canonicalizer which does strength reduction + constant folding
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	80 ScopeData scopeData; // Per-scope data; used for inlining
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	81 BlockBegin curBlock; // the current block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	82 MutableFrameState curState; // the current execution state
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	83 Instruction lastInstr; // the last instruction added
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	84 final LogStream log;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	85
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	86 boolean skipBlock; // skip processing of the rest of this block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	87 private Value rootMethodSynchronizedObject;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	88
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	89 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	90 * Creates a new, initialized, {@code GraphBuilder} instance for a given compilation.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	91 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	92 * @param compilation the compilation
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	93 * @param ir the IR to build the graph into
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	94 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	95 public GraphBuilder(C1XCompilation compilation, IR ir) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	96 this.compilation = compilation;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	97 this.ir = ir;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	98 this.stats = compilation.stats;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	99 this.memoryMap = C1XOptions.OptLocalLoadElimination ? new MemoryMap() : null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	100 this.localValueMap = C1XOptions.OptLocalValueNumbering ? new ValueMap() : null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	101 this.canonicalizer = C1XOptions.OptCanonicalize ? new Canonicalizer(compilation.runtime, compilation.method, compilation.target) : null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	102 log = C1XOptions.TraceBytecodeParserLevel > 0 ? new LogStream(TTY.out()) : null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	103 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	104
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	105 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	106 * Builds the graph for a the specified {@code IRScope}.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	107 * @param scope the top IRScope
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	108 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	109 public void build(IRScope scope) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	110 RiMethod rootMethod = compilation.method;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	111
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	112 if (log != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	113 log.println();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	114 log.println("Compiling " + compilation.method);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	115 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	116
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	117 // 1. create the start block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	118 ir.startBlock = new BlockBegin(0, ir.nextBlockNumber());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	119 BlockBegin startBlock = ir.startBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	120
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	121 // 2. compute the block map and get the entrypoint(s)
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	122 BlockMap blockMap = compilation.getBlockMap(scope.method, compilation.osrBCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	123 BlockBegin stdEntry = blockMap.get(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	124 BlockBegin osrEntry = compilation.osrBCI < 0 ? null : blockMap.get(compilation.osrBCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	125 pushRootScope(scope, blockMap, startBlock);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	126 MutableFrameState initialState = stateAtEntry(rootMethod);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	127 startBlock.mergeOrClone(initialState);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	128 BlockBegin syncHandler = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	129
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	130 // 3. setup internal state for appending instructions
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	131 curBlock = startBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	132 lastInstr = startBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	133 lastInstr.setNext(null, -1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	134 curState = initialState;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	135
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	136 if (isSynchronized(rootMethod.accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	137 // 4A.1 add a monitor enter to the start block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	138 rootMethodSynchronizedObject = synchronizedObject(initialState, compilation.method);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	139 genMonitorEnter(rootMethodSynchronizedObject, Instruction.SYNCHRONIZATION_ENTRY_BCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	140 // 4A.2 finish the start block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	141 finishStartBlock(startBlock, stdEntry, osrEntry);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	142
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	143 // 4A.3 setup an exception handler to unlock the root method synchronized object
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	144 syncHandler = new BlockBegin(Instruction.SYNCHRONIZATION_ENTRY_BCI, ir.nextBlockNumber());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	145 syncHandler.setExceptionEntry();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	146 syncHandler.setBlockFlag(BlockBegin.BlockFlag.IsOnWorkList);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	147 syncHandler.setBlockFlag(BlockBegin.BlockFlag.DefaultExceptionHandler);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	148
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	149 ExceptionHandler h = new ExceptionHandler(new CiExceptionHandler(0, rootMethod.code().length, -1, 0, null));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	150 h.setEntryBlock(syncHandler);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	151 scopeData.addExceptionHandler(h);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	152 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	153 // 4B.1 simply finish the start block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	154 finishStartBlock(startBlock, stdEntry, osrEntry);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	155 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	156
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	157 // 5.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	158 C1XIntrinsic intrinsic = C1XOptions.OptIntrinsify ? C1XIntrinsic.getIntrinsic(rootMethod) : null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	159 if (intrinsic != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	160 lastInstr = stdEntry;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	161 // 6A.1 the root method is an intrinsic; load the parameters onto the stack and try to inline it
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	162 if (C1XOptions.OptIntrinsify && osrEntry == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	163 // try to inline an Intrinsic node
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	164 boolean isStatic = Modifier.isStatic(rootMethod.accessFlags());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	165 int argsSize = rootMethod.signature().argumentSlots(!isStatic);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	166 Value[] args = new Value[argsSize];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	167 for (int i = 0; i < args.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	168 args[i] = curState.localAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	169 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	170 if (tryInlineIntrinsic(rootMethod, args, isStatic, intrinsic)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	171 // intrinsic inlining succeeded, add the return node
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	172 CiKind rt = returnKind(rootMethod).stackKind();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	173 Value result = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	174 if (rt != CiKind.Void) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	175 result = pop(rt);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	176 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	177 genReturn(result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	178 BlockEnd end = (BlockEnd) lastInstr;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	179 stdEntry.setEnd(end);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	180 end.setStateAfter(curState.immutableCopy(bci()));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	181 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	182 // try intrinsic failed; do the normal parsing
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	183 scopeData.addToWorkList(stdEntry);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	184 iterateAllBlocks();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	185 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	186 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	187 // 6B.1 do the normal parsing
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	188 scopeData.addToWorkList(stdEntry);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	189 iterateAllBlocks();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	190 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	191 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	192 // 6B.1 do the normal parsing
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	193 scopeData.addToWorkList(stdEntry);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	194 iterateAllBlocks();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	195 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	196
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	197 if (syncHandler != null && syncHandler.stateBefore() != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	198 // generate unlocking code if the exception handler is reachable
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	199 fillSyncHandler(rootMethodSynchronizedObject, syncHandler, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	200 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	201
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	202 if (compilation.osrBCI >= 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	203 BlockBegin osrBlock = blockMap.get(compilation.osrBCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	204 assert osrBlock.wasVisited();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	205 if (!osrBlock.stateBefore().stackEmpty()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	206 throw new CiBailout("cannot OSR with non-empty stack");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	207 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	208 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	209 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	210
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	211 private void finishStartBlock(BlockBegin startBlock, BlockBegin stdEntry, BlockBegin osrEntry) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	212 assert curBlock == startBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	213 Base base = new Base(stdEntry, osrEntry);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	214 appendWithoutOptimization(base, 0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	215 FrameState stateAfter = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	216 base.setStateAfter(stateAfter);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	217 startBlock.setEnd(base);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	218 assert stdEntry.stateBefore() == null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	219 stdEntry.mergeOrClone(stateAfter);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	220 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	221
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	222 void pushRootScope(IRScope scope, BlockMap blockMap, BlockBegin start) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	223 BytecodeStream stream = new BytecodeStream(scope.method.code());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	224 RiConstantPool constantPool = compilation.runtime.getConstantPool(scope.method);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	225 scopeData = new ScopeData(null, scope, blockMap, stream, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	226 curBlock = start;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	227 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	228
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	229 public boolean hasHandler() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	230 return scopeData.hasHandler();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	231 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	232
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	233 public IRScope scope() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	234 return scopeData.scope;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	235 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	236
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	237 public IRScope rootScope() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	238 IRScope root = scope();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	239 while (root.caller != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	240 root = root.caller;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	241 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	242 return root;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	243 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	244
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	245 public RiMethod method() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	246 return scopeData.scope.method;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	247 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	248
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	249 public BytecodeStream stream() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	250 return scopeData.stream;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	251 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	252
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	253 public int bci() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	254 return scopeData.stream.currentBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	255 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	256
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	257 public int nextBCI() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	258 return scopeData.stream.nextBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	259 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	260
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	261 private void ipush(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	262 curState.ipush(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	263 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	264
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	265 private void lpush(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	266 curState.lpush(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	267 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	268
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	269 private void fpush(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	270 curState.fpush(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	271 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	272
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	273 private void dpush(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	274 curState.dpush(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	275 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	276
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	277 private void apush(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	278 curState.apush(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	279 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	280
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	281 private void wpush(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	282 curState.wpush(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	283 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	284
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	285 private void push(CiKind kind, Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	286 curState.push(kind, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	287 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	288
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	289 private void pushReturn(CiKind kind, Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	290 if (kind != CiKind.Void) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	291 curState.push(kind.stackKind(), x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	292 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	293 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	294
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	295 private Value ipop() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	296 return curState.ipop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	297 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	298
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	299 private Value lpop() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	300 return curState.lpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	301 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	302
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	303 private Value fpop() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	304 return curState.fpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	305 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	306
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	307 private Value dpop() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	308 return curState.dpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	309 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	310
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	311 private Value apop() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	312 return curState.apop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	313 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	314
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	315 private Value wpop() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	316 return curState.wpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	317 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	318
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	319 private Value pop(CiKind kind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	320 return curState.pop(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	321 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	322
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	323 private CiKind peekKind() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	324 Value top = curState.stackAt(curState.stackSize() - 1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	325 if (top == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	326 top = curState.stackAt(curState.stackSize() - 2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	327 assert top != null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	328 assert top.kind.isDoubleWord();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	329 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	330 return top.kind;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	331 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	332
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	333 private void loadLocal(int index, CiKind kind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	334 push(kind, curState.loadLocal(index));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	335 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	336
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	337 private void storeLocal(CiKind kind, int index) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	338 if (scopeData.parsingJsr()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	339 // We need to do additional tracking of the location of the return
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	340 // address for jsrs since we don't handle arbitrary jsr/ret
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	341 // constructs. Here we are figuring out in which circumstances we
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	342 // need to bail out.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	343 if (kind == CiKind.Object) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	344 // might be storing the JSR return address
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	345 Value x = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	346 if (x.kind.isJsr()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	347 setJsrReturnAddressLocal(index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	348 curState.storeLocal(index, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	349 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	350 // nope, not storing the JSR return address
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	351 assert x.kind.isObject();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	352 curState.storeLocal(index, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	353 overwriteJsrReturnAddressLocal(index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	354 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	355 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	356 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	357 // not storing the JSR return address local, but might overwrite it
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	358 overwriteJsrReturnAddressLocal(index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	359 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	360 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	361
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	362 curState.storeLocal(index, pop(kind));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	363 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	364
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	365 private void overwriteJsrReturnAddressLocal(int index) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	366 if (index == scopeData.jsrEntryReturnAddressLocal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	367 scopeData.setJsrEntryReturnAddressLocal(-1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	368 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	369 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	370
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	371 private void setJsrReturnAddressLocal(int index) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	372 scopeData.setJsrEntryReturnAddressLocal(index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	373
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	374 // Also check parent jsrs (if any) at this time to see whether
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	375 // they are using this local. We don't handle skipping over a
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	376 // ret.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	377 for (ScopeData cur = scopeData.parent; cur != null && cur.parsingJsr() && cur.scope == scope(); cur = cur.parent) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	378 if (cur.jsrEntryReturnAddressLocal() == index) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	379 throw new CiBailout("subroutine overwrites return address from previous subroutine");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	380 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	381 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	382 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	383
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	384 List<ExceptionHandler> handleException(Instruction x, int bci) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	385 if (!hasHandler()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	386 return Util.uncheckedCast(Collections.EMPTY_LIST);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	387 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	388
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	389 ArrayList<ExceptionHandler> exceptionHandlers = new ArrayList<ExceptionHandler>();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	390 ScopeData curScopeData = scopeData;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	391 FrameState stateBefore = x.stateBefore();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	392 int scopeCount = 0;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	393
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	394 assert stateBefore != null : "exception handler state must be available for " + x;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	395 FrameState state = stateBefore;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	396 do {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	397 assert curScopeData.scope == state.scope() : "scopes do not match";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	398 assert bci == Instruction.SYNCHRONIZATION_ENTRY_BCI \|\| bci == curScopeData.stream.currentBCI() : "invalid bci";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	399
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	400 // join with all potential exception handlers
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	401 List<ExceptionHandler> handlers = curScopeData.exceptionHandlers();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	402 if (handlers != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	403 for (ExceptionHandler handler : handlers) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	404 if (handler.covers(bci)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	405 // if the handler covers this bytecode index, add it to the list
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	406 if (addExceptionHandler(exceptionHandlers, handler, curScopeData, state, scopeCount)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	407 // if the handler was a default handler, we are done
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	408 return exceptionHandlers;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	409 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	410 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	411 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	412 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	413 // pop the scope to the next IRScope level
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	414 // if parsing a JSR, skip scopes until the next IRScope level
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	415 IRScope curScope = curScopeData.scope;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	416 while (curScopeData.parent != null && curScopeData.parent.scope == curScope) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	417 curScopeData = curScopeData.parent;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	418 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	419 if (curScopeData.parent == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	420 // no more levels, done
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	421 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	422 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	423 // there is another level, pop
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	424 state = state.callerState();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	425 bci = curScopeData.scope.callerBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	426 curScopeData = curScopeData.parent;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	427 scopeCount++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	428
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	429 } while (true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	430
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	431 return exceptionHandlers;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	432 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	433
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	434 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	435 * Adds an exception handler to the {@linkplain BlockBegin#exceptionHandlerBlocks() list}
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	436 * of exception handlers for the {@link #curBlock current block}.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	437 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	438 * @param exceptionHandlers
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	439 * @param handler
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	440 * @param curScopeData
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	441 * @param curState the current state with empty stack
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	442 * @param scopeCount
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	443 * @return {@code true} if handler catches all exceptions (i.e. {@code handler.isCatchAll() == true})
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	444 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	445 private boolean addExceptionHandler(ArrayList<ExceptionHandler> exceptionHandlers, ExceptionHandler handler, ScopeData curScopeData, FrameState curState, int scopeCount) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	446 compilation.setHasExceptionHandlers();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	447
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	448 BlockBegin entry = handler.entryBlock();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	449 FrameState entryState = entry.stateBefore();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	450
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	451 assert entry.bci() == handler.handler.handlerBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	452 assert entry.bci() == -1 \|\| entry == curScopeData.blockAt(entry.bci()) : "blocks must correspond";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	453 assert entryState == null \|\| curState.locksSize() == entryState.locksSize() : "locks do not match";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	454
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	455 // exception handler starts with an empty expression stack
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	456 curState = curState.immutableCopyWithEmptyStack();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	457
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	458 entry.mergeOrClone(curState);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	459
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	460 // add current state for correct handling of phi functions
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	461 int phiOperand = entry.addExceptionState(curState);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	462
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	463 // add entry to the list of exception handlers of this block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	464 curBlock.addExceptionHandler(entry);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	465
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	466 // add back-edge from exception handler entry to this block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	467 if (!entry.predecessors().contains(curBlock)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	468 entry.addPredecessor(curBlock);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	469 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	470
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	471 // clone exception handler
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	472 ExceptionHandler newHandler = new ExceptionHandler(handler);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	473 newHandler.setPhiOperand(phiOperand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	474 newHandler.setScopeCount(scopeCount);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	475 exceptionHandlers.add(newHandler);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	476
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	477 // fill in exception handler subgraph lazily
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	478 if (!entry.wasVisited()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	479 curScopeData.addToWorkList(entry);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	480 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	481 // This will occur for exception handlers that cover themselves. This code
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	482 // pattern is generated by javac for synchronized blocks. See the following
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	483 // for why this change to javac was made:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	484 //
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	485 // http://www.cs.arizona.edu/projects/sumatra/hallofshame/java-async-race.html
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	486 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	487
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	488 // stop when reaching catch all
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	489 return handler.isCatchAll();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	490 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	491
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	492 void genLoadConstant(int cpi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	493 Object con = constantPool().lookupConstant(cpi);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	494
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	495 if (con instanceof RiType) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	496 // this is a load of class constant which might be unresolved
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	497 RiType riType = (RiType) con;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	498 if (!riType.isResolved() \|\| C1XOptions.TestPatching) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	499 push(CiKind.Object, append(new ResolveClass(riType, RiType.Representation.JavaClass, null)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	500 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	501 push(CiKind.Object, append(new Constant(riType.getEncoding(Representation.JavaClass))));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	502 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	503 } else if (con instanceof CiConstant) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	504 CiConstant constant = (CiConstant) con;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	505 push(constant.kind.stackKind(), appendConstant(constant));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	506 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	507 throw new Error("lookupConstant returned an object of incorrect type");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	508 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	509 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	510
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	511 void genLoadIndexed(CiKind kind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	512 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	513 Value index = ipop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	514 Value array = apop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	515 Value length = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	516 if (cseArrayLength(array)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	517 length = append(new ArrayLength(array, stateBefore));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	518 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	519 Value v = append(new LoadIndexed(array, index, length, kind, stateBefore));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	520 push(kind.stackKind(), v);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	521 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	522
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	523 void genStoreIndexed(CiKind kind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	524 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	525 Value value = pop(kind.stackKind());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	526 Value index = ipop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	527 Value array = apop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	528 Value length = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	529 if (cseArrayLength(array)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	530 length = append(new ArrayLength(array, stateBefore));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	531 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	532 StoreIndexed result = new StoreIndexed(array, index, length, kind, value, stateBefore);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	533 append(result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	534 if (memoryMap != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	535 memoryMap.storeValue(value);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	536 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	537 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	538
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	539 void stackOp(int opcode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	540 switch (opcode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	541 case POP: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	542 curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	543 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	544 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	545 case POP2: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	546 curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	547 curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	548 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	549 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	550 case DUP: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	551 Value w = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	552 curState.xpush(w);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	553 curState.xpush(w);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	554 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	555 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	556 case DUP_X1: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	557 Value w1 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	558 Value w2 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	559 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	560 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	561 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	562 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	563 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	564 case DUP_X2: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	565 Value w1 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	566 Value w2 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	567 Value w3 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	568 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	569 curState.xpush(w3);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	570 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	571 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	572 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	573 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	574 case DUP2: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	575 Value w1 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	576 Value w2 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	577 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	578 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	579 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	580 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	581 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	582 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	583 case DUP2_X1: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	584 Value w1 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	585 Value w2 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	586 Value w3 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	587 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	588 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	589 curState.xpush(w3);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	590 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	591 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	592 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	593 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	594 case DUP2_X2: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	595 Value w1 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	596 Value w2 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	597 Value w3 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	598 Value w4 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	599 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	600 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	601 curState.xpush(w4);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	602 curState.xpush(w3);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	603 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	604 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	605 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	606 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	607 case SWAP: {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	608 Value w1 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	609 Value w2 = curState.xpop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	610 curState.xpush(w1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	611 curState.xpush(w2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	612 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	613 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	614 default:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	615 throw Util.shouldNotReachHere();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	616 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	617
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	618 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	619
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	620 void genArithmeticOp(CiKind kind, int opcode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	621 genArithmeticOp(kind, opcode, null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	622 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	623
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	624 void genArithmeticOp(CiKind kind, int opcode, FrameState state) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	625 genArithmeticOp(kind, opcode, kind, kind, state);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	626 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	627
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	628 void genArithmeticOp(CiKind result, int opcode, CiKind x, CiKind y, FrameState state) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	629 Value yValue = pop(y);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	630 Value xValue = pop(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	631 Value result1 = append(new ArithmeticOp(opcode, result, xValue, yValue, isStrict(method().accessFlags()), state));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	632 push(result, result1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	633 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	634
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	635 void genNegateOp(CiKind kind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	636 push(kind, append(new NegateOp(pop(kind))));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	637 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	638
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	639 void genShiftOp(CiKind kind, int opcode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	640 Value s = ipop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	641 Value x = pop(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	642 // note that strength reduction of e << K >>> K is correctly handled in canonicalizer now
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	643 push(kind, append(new ShiftOp(opcode, x, s)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	644 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	645
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	646 void genLogicOp(CiKind kind, int opcode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	647 Value y = pop(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	648 Value x = pop(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	649 push(kind, append(new LogicOp(opcode, x, y)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	650 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	651
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	652 void genCompareOp(CiKind kind, int opcode, CiKind resultKind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	653 Value y = pop(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	654 Value x = pop(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	655 Value value = append(new CompareOp(opcode, resultKind, x, y));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	656 if (!resultKind.isVoid()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	657 ipush(value);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	658 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	659 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	660
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	661 void genConvert(int opcode, CiKind from, CiKind to) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	662 CiKind tt = to.stackKind();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	663 push(tt, append(new Convert(opcode, pop(from.stackKind()), tt)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	664 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	665
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	666 void genIncrement() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	667 int index = stream().readLocalIndex();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	668 int delta = stream().readIncrement();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	669 Value x = curState.localAt(index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	670 Value y = append(Constant.forInt(delta));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	671 curState.storeLocal(index, append(new ArithmeticOp(IADD, CiKind.Int, x, y, isStrict(method().accessFlags()), null)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	672 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	673
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	674 void genGoto(int fromBCI, int toBCI) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	675 boolean isSafepoint = !scopeData.noSafepoints() && toBCI <= fromBCI;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	676 append(new Goto(blockAt(toBCI), null, isSafepoint));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	677 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	678
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	679 void ifNode(Value x, Condition cond, Value y, FrameState stateBefore) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	680 BlockBegin tsucc = blockAt(stream().readBranchDest());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	681 BlockBegin fsucc = blockAt(stream().nextBCI());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	682 int bci = stream().currentBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	683 boolean isSafepoint = !scopeData.noSafepoints() && tsucc.bci() <= bci \|\| fsucc.bci() <= bci;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	684 append(new If(x, cond, false, y, tsucc, fsucc, isSafepoint ? stateBefore : null, isSafepoint));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	685 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	686
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	687 void genIfZero(Condition cond) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	688 Value y = appendConstant(CiConstant.INT_0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	689 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	690 Value x = ipop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	691 ifNode(x, cond, y, stateBefore);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	692 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	693
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	694 void genIfNull(Condition cond) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	695 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	696 Value y = appendConstant(CiConstant.NULL_OBJECT);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	697 Value x = apop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	698 ifNode(x, cond, y, stateBefore);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	699 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	700
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	701 void genIfSame(CiKind kind, Condition cond) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	702 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	703 Value y = pop(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	704 Value x = pop(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	705 ifNode(x, cond, y, stateBefore);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	706 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	707
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	708 void genThrow(int bci) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	709 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	710 Throw t = new Throw(apop(), stateBefore, !scopeData.noSafepoints());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	711 appendWithoutOptimization(t, bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	712 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	713
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	714 void genCheckCast() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	715 int cpi = stream().readCPI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	716 RiType type = constantPool().lookupType(cpi, CHECKCAST);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	717 boolean isInitialized = !C1XOptions.TestPatching && type.isResolved() && type.isInitialized();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	718 Value typeInstruction = genResolveClass(RiType.Representation.ObjectHub, type, isInitialized, cpi);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	719 CheckCast c = new CheckCast(type, typeInstruction, apop(), null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	720 apush(append(c));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	721 checkForDirectCompare(c);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	722 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	723
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	724 void genInstanceOf() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	725 int cpi = stream().readCPI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	726 RiType type = constantPool().lookupType(cpi, INSTANCEOF);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	727 boolean isInitialized = !C1XOptions.TestPatching && type.isResolved() && type.isInitialized();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	728 Value typeInstruction = genResolveClass(RiType.Representation.ObjectHub, type, isInitialized, cpi);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	729 InstanceOf i = new InstanceOf(type, typeInstruction, apop(), null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	730 ipush(append(i));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	731 checkForDirectCompare(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	732 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	733
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	734 private void checkForDirectCompare(TypeCheck check) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	735 RiType type = check.targetClass();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	736 if (!type.isResolved() \|\| type.isArrayClass()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	737 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	738 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	739 if (assumeLeafClass(type)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	740 check.setDirectCompare();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	741 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	742 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	743
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	744 void genNewInstance(int cpi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	745 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	746 RiType type = constantPool().lookupType(cpi, NEW);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	747 NewInstance n = new NewInstance(type, cpi, constantPool(), stateBefore);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	748 if (memoryMap != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	749 memoryMap.newInstance(n);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	750 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	751 apush(append(n));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	752 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	753
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	754 void genNewTypeArray(int typeCode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	755 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	756 CiKind kind = CiKind.fromArrayTypeCode(typeCode);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	757 RiType elementType = compilation.runtime.asRiType(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	758 apush(append(new NewTypeArray(ipop(), elementType, stateBefore)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	759 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	760
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	761 void genNewObjectArray(int cpi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	762 RiType type = constantPool().lookupType(cpi, ANEWARRAY);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	763 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	764 NewArray n = new NewObjectArray(type, ipop(), stateBefore);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	765 apush(append(n));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	766 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	767
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	768 void genNewMultiArray(int cpi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	769 RiType type = constantPool().lookupType(cpi, MULTIANEWARRAY);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	770 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	771 int rank = stream().readUByte(bci() + 3);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	772 Value[] dims = new Value[rank];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	773 for (int i = rank - 1; i >= 0; i--) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	774 dims[i] = ipop();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	775 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	776 NewArray n = new NewMultiArray(type, dims, stateBefore, cpi, constantPool());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	777 apush(append(n));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	778 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	779
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	780 void genGetField(int cpi, RiField field) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	781 // Must copy the state here, because the field holder must still be on the stack.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	782 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	783 boolean isLoaded = !C1XOptions.TestPatching && field.isResolved();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	784 LoadField load = new LoadField(apop(), field, false, stateBefore, isLoaded);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	785 appendOptimizedLoadField(field.kind(), load);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	786 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	787
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	788 void genPutField(int cpi, RiField field) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	789 // Must copy the state here, because the field holder must still be on the stack.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	790 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	791 boolean isLoaded = !C1XOptions.TestPatching && field.isResolved();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	792 Value value = pop(field.kind().stackKind());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	793 appendOptimizedStoreField(new StoreField(apop(), field, value, false, stateBefore, isLoaded));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	794 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	795
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	796 void genGetStatic(int cpi, RiField field) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	797 RiType holder = field.holder();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	798 boolean isInitialized = !C1XOptions.TestPatching && field.isResolved() && holder.isResolved() && holder.isInitialized();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	799 CiConstant constantValue = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	800 if (isInitialized && C1XOptions.CanonicalizeConstantFields) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	801 constantValue = field.constantValue(null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	802 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	803 if (constantValue != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	804 push(constantValue.kind.stackKind(), appendConstant(constantValue));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	805 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	806 Value container = genResolveClass(RiType.Representation.StaticFields, holder, isInitialized, cpi);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	807 LoadField load = new LoadField(container, field, true, null, isInitialized);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	808 appendOptimizedLoadField(field.kind(), load);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	809 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	810 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	811
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	812 void genPutStatic(int cpi, RiField field) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	813 RiType holder = field.holder();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	814 boolean isInitialized = !C1XOptions.TestPatching && field.isResolved() && holder.isResolved() && holder.isInitialized();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	815 Value container = genResolveClass(RiType.Representation.StaticFields, holder, isInitialized, cpi);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	816 Value value = pop(field.kind().stackKind());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	817 StoreField store = new StoreField(container, field, value, true, null, isInitialized);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	818 appendOptimizedStoreField(store);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	819 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	820
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	821 private Value genResolveClass(RiType.Representation representation, RiType holder, boolean initialized, int cpi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	822 Value holderInstr;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	823 if (initialized) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	824 holderInstr = appendConstant(holder.getEncoding(representation));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	825 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	826 holderInstr = append(new ResolveClass(holder, representation, null));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	827 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	828 return holderInstr;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	829 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	830
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	831 private void appendOptimizedStoreField(StoreField store) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	832 if (memoryMap != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	833 StoreField previous = memoryMap.store(store);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	834 if (previous == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	835 // the store is redundant, do not append
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	836 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	837 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	838 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	839 append(store);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	840 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	841
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	842 private void appendOptimizedLoadField(CiKind kind, LoadField load) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	843 if (memoryMap != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	844 Value replacement = memoryMap.load(load);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	845 if (replacement != load) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	846 // the memory buffer found a replacement for this load (no need to append)
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	847 push(kind.stackKind(), replacement);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	848 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	849 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	850 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	851 // append the load to the instruction
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	852 Value optimized = append(load);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	853 if (memoryMap != null && optimized != load) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	854 // local optimization happened, replace its value in the memory map
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	855 memoryMap.setResult(load, optimized);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	856 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	857 push(kind.stackKind(), optimized);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	858 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	859
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	860 void genInvokeStatic(RiMethod target, int cpi, RiConstantPool constantPool) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	861 RiType holder = target.holder();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	862 boolean isInitialized = !C1XOptions.TestPatching && target.isResolved() && holder.isInitialized();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	863 if (!isInitialized && C1XOptions.ResolveClassBeforeStaticInvoke) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	864 // Re-use the same resolution code as for accessing a static field. Even though
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	865 // the result of resolution is not used by the invocation (only the side effect
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	866 // of initialization is required), it can be commoned with static field accesses.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	867 genResolveClass(RiType.Representation.StaticFields, holder, isInitialized, cpi);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	868 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	869
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	870 Value[] args = curState.popArguments(target.signature().argumentSlots(false));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	871 if (!tryRemoveCall(target, args, true)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	872 if (!tryInline(target, args)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	873 appendInvoke(INVOKESTATIC, target, args, true, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	874 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	875 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	876 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	877
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	878 void genInvokeInterface(RiMethod target, int cpi, RiConstantPool constantPool) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	879 Value[] args = curState.popArguments(target.signature().argumentSlots(true));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	880 if (!tryRemoveCall(target, args, false)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	881 genInvokeIndirect(INVOKEINTERFACE, target, args, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	882 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	883 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	884
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	885 void genInvokeVirtual(RiMethod target, int cpi, RiConstantPool constantPool) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	886 Value[] args = curState.popArguments(target.signature().argumentSlots(true));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	887 if (!tryRemoveCall(target, args, false)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	888 genInvokeIndirect(INVOKEVIRTUAL, target, args, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	889 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	890 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	891
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	892 void genInvokeSpecial(RiMethod target, RiType knownHolder, int cpi, RiConstantPool constantPool) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	893 Value[] args = curState.popArguments(target.signature().argumentSlots(true));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	894 if (!tryRemoveCall(target, args, false)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	895 invokeDirect(target, args, knownHolder, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	896 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	897 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	898
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	899 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	900 * Temporary work-around to support the @ACCESSOR Maxine annotation.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	901 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	902 private static final Class<?> Accessor;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	903 static {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	904 Class<?> c = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	905 try {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	906 c = Class.forName("com.sun.max.unsafe.Accessor");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	907 } catch (ClassNotFoundException e) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	908 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	909 Accessor = c;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	910 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	911
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	912 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	913 * Temporary work-around to support the @ACCESSOR Maxine annotation.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	914 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	915 private static ThreadLocal<RiType> boundAccessor = new ThreadLocal<RiType>();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	916
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	917 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	918 * Temporary work-around to support the @ACCESSOR Maxine annotation.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	919 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	920 private static RiMethod bindAccessorMethod(RiMethod target) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	921 if (Accessor != null && target.isResolved() && target.holder().javaClass() == Accessor) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	922 RiType accessor = boundAccessor.get();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	923 assert accessor != null : "Cannot compile call to method in " + target.holder() + " without enclosing @ACCESSOR annotated method";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	924 RiMethod newTarget = accessor.resolveMethodImpl(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	925 assert target != newTarget : "Could not bind " + target + " to a method in " + accessor;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	926 target = newTarget;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	927 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	928 return target;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	929 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	930
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	931 private void genInvokeIndirect(int opcode, RiMethod target, Value[] args, int cpi, RiConstantPool constantPool) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	932 Value receiver = args[0];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	933 // attempt to devirtualize the call
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	934 if (target.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	935 RiType klass = target.holder();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	936
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	937 // 0. check for trivial cases
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	938 if (target.canBeStaticallyBound() && !isAbstract(target.accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	939 // check for trivial cases (e.g. final methods, nonvirtual methods)
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	940 invokeDirect(target, args, target.holder(), cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	941 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	942 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	943 // 1. check if the exact type of the receiver can be determined
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	944 RiType exact = getExactType(klass, receiver);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	945 if (exact != null && exact.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	946 // either the holder class is exact, or the receiver object has an exact type
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	947 invokeDirect(exact.resolveMethodImpl(target), args, exact, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	948 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	949 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	950 // 2. check if an assumed leaf method can be found
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	951 RiMethod leaf = getAssumedLeafMethod(target, receiver);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	952 if (leaf != null && leaf.isResolved() && !isAbstract(leaf.accessFlags()) && leaf.holder().isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	953 if (C1XOptions.PrintAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	954 TTY.println("Optimistic invoke direct because of leaf method to " + leaf);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	955 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	956 invokeDirect(leaf, args, null, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	957 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	958 } else if (C1XOptions.PrintAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	959 TTY.println("Could not make leaf method assumption for target=" + target + " leaf=" + leaf + " receiver.declaredType=" + receiver.declaredType());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	960 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	961 // 3. check if the either of the holder or declared type of receiver can be assumed to be a leaf
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	962 exact = getAssumedLeafType(klass, receiver);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	963 if (exact != null && exact.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	964 RiMethod targetMethod = exact.resolveMethodImpl(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	965 if (C1XOptions.PrintAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	966 TTY.println("Optimistic invoke direct because of leaf type to " + targetMethod);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	967 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	968 // either the holder class is exact, or the receiver object has an exact type
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	969 invokeDirect(targetMethod, args, exact, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	970 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	971 } else if (C1XOptions.PrintAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	972 TTY.println("Could not make leaf type assumption for type " + klass);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	973 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	974 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	975 // devirtualization failed, produce an actual invokevirtual
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	976 appendInvoke(opcode, target, args, false, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	977 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	978
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	979 private CiKind returnKind(RiMethod target) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	980 return target.signature().returnKind();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	981 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	982
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	983 private void invokeDirect(RiMethod target, Value[] args, RiType knownHolder, int cpi, RiConstantPool constantPool) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	984 if (!tryInline(target, args)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	985 // could not optimize or inline the method call
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	986 appendInvoke(INVOKESPECIAL, target, args, false, cpi, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	987 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	988 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	989
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	990 private void appendInvoke(int opcode, RiMethod target, Value[] args, boolean isStatic, int cpi, RiConstantPool constantPool) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	991 CiKind resultType = returnKind(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	992 Value result = append(new Invoke(opcode, resultType.stackKind(), args, isStatic, target, target.signature().returnType(compilation.method.holder()), null));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	993 pushReturn(resultType, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	994 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	995
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	996 private RiType getExactType(RiType staticType, Value receiver) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	997 RiType exact = staticType.exactType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	998 if (exact == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	999 exact = receiver.exactType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1000 if (exact == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1001 if (receiver.isConstant()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1002 exact = compilation.runtime.getTypeOf(receiver.asConstant());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1003 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1004 if (exact == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1005 RiType declared = receiver.declaredType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1006 exact = declared == null \|\| !declared.isResolved() ? null : declared.exactType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1007 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1008 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1009 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1010 return exact;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1011 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1012
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1013 private RiType getAssumedLeafType(RiType type) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1014 if (isFinal(type.accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1015 return type;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1016 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1017 RiType assumed = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1018 if (C1XOptions.UseAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1019 assumed = type.uniqueConcreteSubtype();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1020 if (assumed != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1021 if (C1XOptions.PrintAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1022 TTY.println("Recording concrete subtype assumption in context of " + type.name() + ": " + assumed.name());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1023 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1024 compilation.assumptions.recordConcreteSubtype(type, assumed);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1025 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1026 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1027 return assumed;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1028 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1029
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1030 private RiType getAssumedLeafType(RiType staticType, Value receiver) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1031 RiType assumed = getAssumedLeafType(staticType);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1032 if (assumed != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1033 return assumed;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1034 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1035 RiType declared = receiver.declaredType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1036 if (declared != null && declared.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1037 assumed = getAssumedLeafType(declared);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1038 return assumed;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1039 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1040 return null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1041 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1042
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1043 private RiMethod getAssumedLeafMethod(RiMethod target, Value receiver) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1044 RiMethod assumed = getAssumedLeafMethod(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1045 if (assumed != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1046 return assumed;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1047 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1048 RiType declared = receiver.declaredType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1049 if (declared != null && declared.isResolved() && !declared.isInterface()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1050 RiMethod impl = declared.resolveMethodImpl(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1051 if (impl != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1052 assumed = getAssumedLeafMethod(impl);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1053 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1054 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1055 return assumed;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1056 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1057
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1058 void callRegisterFinalizer() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1059 Value receiver = curState.loadLocal(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1060 RiType declaredType = receiver.declaredType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1061 RiType receiverType = declaredType;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1062 RiType exactType = receiver.exactType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1063 if (exactType == null && declaredType != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1064 exactType = declaredType.exactType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1065 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1066 if (exactType == null && receiver instanceof Local && ((Local) receiver).javaIndex() == 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1067 // the exact type isn't known, but the receiver is parameter 0 => use holder
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1068 receiverType = compilation.method.holder();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1069 exactType = receiverType.exactType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1070 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1071 boolean needsCheck = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1072 if (exactType != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1073 // we have an exact type
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1074 needsCheck = exactType.hasFinalizer();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1075 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1076 // if either the declared type of receiver or the holder can be assumed to have no finalizers
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1077 if (declaredType != null && !declaredType.hasFinalizableSubclass()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1078 if (compilation.recordNoFinalizableSubclassAssumption(declaredType)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1079 needsCheck = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1080 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1081 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1082
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1083 if (receiverType != null && !receiverType.hasFinalizableSubclass()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1084 if (compilation.recordNoFinalizableSubclassAssumption(receiverType)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1085 needsCheck = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1086 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1087 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1088 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1089
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1090 if (needsCheck) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1091 // append a call to the registration intrinsic
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1092 loadLocal(0, CiKind.Object);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1093 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1094 append(new Intrinsic(CiKind.Void, C1XIntrinsic.java_lang_Object$init,
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1095 null, curState.popArguments(1), false, stateBefore, true, true));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1096 C1XMetrics.InlinedFinalizerChecks++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1097 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1098 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1099
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1100 void genReturn(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1101 if (C1XIntrinsic.getIntrinsic(method()) == C1XIntrinsic.java_lang_Object$init) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1102 callRegisterFinalizer();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1103 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1104
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1105 // If inlining, then returns become gotos to the continuation point.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1106 if (scopeData.continuation() != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1107 if (isSynchronized(method().accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1108 // if the inlined method is synchronized, then the monitor
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1109 // must be released before jumping to the continuation point
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1110 assert C1XOptions.OptInlineSynchronized;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1111 Value object = curState.lockAt(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1112 if (object instanceof Instruction) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1113 Instruction obj = (Instruction) object;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1114 if (!obj.isAppended()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1115 appendWithoutOptimization(obj, Instruction.SYNCHRONIZATION_ENTRY_BCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1116 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1117 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1118 genMonitorExit(object, Instruction.SYNCHRONIZATION_ENTRY_BCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1119 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1120
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1121 // empty stack for return value
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1122 curState.truncateStack(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1123 if (x != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1124 curState.push(x.kind, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1125 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1126 Goto gotoCallee = new Goto(scopeData.continuation(), null, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1127
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1128 // ATTN: assumption: curState is not used further down, else add .immutableCopy()
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1129 scopeData.updateSimpleInlineInfo(curBlock, lastInstr, curState);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1130
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1131 // State at end of inlined method is the state of the caller
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1132 // without the method parameters on stack, including the
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1133 // return value, if any, of the inlined method on operand stack.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1134 curState = scopeData.continuationState().copy();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1135 if (x != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1136 curState.push(x.kind, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1137 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1138
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1139 // The current bci is in the wrong scope, so use the bci of the continuation point.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1140 appendWithoutOptimization(gotoCallee, scopeData.continuation().bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1141 return;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1142 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1143
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1144 curState.truncateStack(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1145 if (Modifier.isSynchronized(method().accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1146 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1147 // unlock before exiting the method
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1148 int lockNumber = curState.totalLocksSize() - 1;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1149 MonitorAddress lockAddress = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1150 if (compilation.runtime.sizeOfBasicObjectLock() != 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1151 lockAddress = new MonitorAddress(lockNumber);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1152 append(lockAddress);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1153 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1154 append(new MonitorExit(rootMethodSynchronizedObject, lockAddress, lockNumber, stateBefore));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1155 curState.unlock();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1156 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1157 append(new Return(x, !scopeData.noSafepoints()));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1158 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1159
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1160 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1161 * Gets the number of locks held.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1162 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1163 private int locksSize() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1164 return curState.locksSize();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1165 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1166
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1167 void genMonitorEnter(Value x, int bci) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1168 int lockNumber = locksSize();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1169 MonitorAddress lockAddress = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1170 if (compilation.runtime.sizeOfBasicObjectLock() != 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1171 lockAddress = new MonitorAddress(lockNumber);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1172 append(lockAddress);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1173 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1174 MonitorEnter monitorEnter = new MonitorEnter(x, lockAddress, lockNumber, null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1175 appendWithoutOptimization(monitorEnter, bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1176 curState.lock(scope(), x, lockNumber + 1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1177 monitorEnter.setStateAfter(curState.immutableCopy(bci));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1178 killMemoryMap(); // prevent any optimizations across synchronization
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1179 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1180
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1181 void genMonitorExit(Value x, int bci) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1182 int lockNumber = curState.totalLocksSize() - 1;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1183 if (lockNumber < 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1184 throw new CiBailout("monitor stack underflow");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1185 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1186 MonitorAddress lockAddress = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1187 if (compilation.runtime.sizeOfBasicObjectLock() != 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1188 lockAddress = new MonitorAddress(lockNumber);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1189 append(lockAddress);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1190 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1191 appendWithoutOptimization(new MonitorExit(x, lockAddress, lockNumber, null), bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1192 curState.unlock();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1193 killMemoryMap(); // prevent any optimizations across synchronization
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1194 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1195
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1196 void genJsr(int dest) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1197 for (ScopeData cur = scopeData; cur != null && cur.parsingJsr() && cur.scope == scope(); cur = cur.parent) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1198 if (cur.jsrEntryBCI() == dest) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1199 // the jsr/ret pattern includes a recursive invocation
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1200 throw new CiBailout("recursive jsr/ret structure");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1201 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1202 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1203 push(CiKind.Jsr, append(Constant.forJsr(nextBCI())));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1204 tryInlineJsr(dest);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1205 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1206
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1207 void genRet(int localIndex) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1208 if (!scopeData.parsingJsr()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1209 throw new CiBailout("ret encountered when not parsing subroutine");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1210 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1211
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1212 if (localIndex != scopeData.jsrEntryReturnAddressLocal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1213 throw new CiBailout("jsr/ret structure is too complicated");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1214 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1215 // rets become non-safepoint gotos
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1216 append(new Goto(scopeData.jsrContinuation(), null, false));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1217 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1218
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1219 void genTableswitch() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1220 int bci = bci();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1221 BytecodeTableSwitch ts = new BytecodeTableSwitch(stream(), bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1222 int max = ts.numberOfCases();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1223 List<BlockBegin> list = new ArrayList<BlockBegin>(max + 1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1224 boolean isBackwards = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1225 for (int i = 0; i < max; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1226 // add all successors to the successor list
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1227 int offset = ts.offsetAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1228 list.add(blockAt(bci + offset));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1229 isBackwards \|= offset < 0; // track if any of the successors are backwards
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1230 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1231 int offset = ts.defaultOffset();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1232 isBackwards \|= offset < 0; // if the default successor is backwards
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1233 list.add(blockAt(bci + offset));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1234 boolean isSafepoint = isBackwards && !scopeData.noSafepoints();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1235 FrameState stateBefore = isSafepoint ? curState.immutableCopy(bci()) : null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1236 append(new TableSwitch(ipop(), list, ts.lowKey(), stateBefore, isSafepoint));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1237 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1238
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1239 void genLookupswitch() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1240 int bci = bci();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1241 BytecodeLookupSwitch ls = new BytecodeLookupSwitch(stream(), bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1242 int max = ls.numberOfCases();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1243 List<BlockBegin> list = new ArrayList<BlockBegin>(max + 1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1244 int[] keys = new int[max];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1245 boolean isBackwards = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1246 for (int i = 0; i < max; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1247 // add all successors to the successor list
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1248 int offset = ls.offsetAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1249 list.add(blockAt(bci + offset));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1250 keys[i] = ls.keyAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1251 isBackwards \|= offset < 0; // track if any of the successors are backwards
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1252 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1253 int offset = ls.defaultOffset();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1254 isBackwards \|= offset < 0; // if the default successor is backwards
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1255 list.add(blockAt(bci + offset));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1256 boolean isSafepoint = isBackwards && !scopeData.noSafepoints();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1257 FrameState stateBefore = isSafepoint ? curState.immutableCopy(bci()) : null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1258 append(new LookupSwitch(ipop(), list, keys, stateBefore, isSafepoint));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1259 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1260
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1261 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1262 * Determines whether the length of an array should be extracted out as a separate instruction
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1263 * before an array indexing instruction. This exposes it to CSE.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1264 * @param array
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1265 * @return
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1266 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1267 private boolean cseArrayLength(Value array) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1268 // checks whether an array length access should be generated for CSE
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1269 if (C1XOptions.OptCSEArrayLength) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1270 // always access the length for CSE
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1271 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1272 } else if (array.isConstant()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1273 // the array itself is a constant
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1274 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1275 } else if (array instanceof LoadField && ((LoadField) array).constantValue() != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1276 // the length is derived from a constant array
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1277 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1278 } else if (array instanceof NewArray) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1279 // the array is derived from an allocation
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1280 final Value length = ((NewArray) array).length();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1281 return length != null && length.isConstant();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1282 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1283 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1284 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1285
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1286 private Value appendConstant(CiConstant type) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1287 return appendWithBCI(new Constant(type), bci(), false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1288 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1289
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1290 private Value append(Instruction x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1291 return appendWithBCI(x, bci(), C1XOptions.OptCanonicalize);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1292 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1293
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1294 private Value appendWithoutOptimization(Instruction x, int bci) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1295 return appendWithBCI(x, bci, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1296 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1297
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1298 private Value appendWithBCI(Instruction x, int bci, boolean canonicalize) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1299 if (canonicalize) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1300 // attempt simple constant folding and strength reduction
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1301 Value r = canonicalizer.canonicalize(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1302 List<Instruction> extra = canonicalizer.extra();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1303 if (extra != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1304 // the canonicalization introduced instructions that should be added before this
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1305 for (Instruction i : extra) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1306 appendWithBCI(i, bci, false); // don't try to canonicalize the new instructions
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1307 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1308 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1309 if (r instanceof Instruction) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1310 // the result is an instruction that may need to be appended
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1311 x = (Instruction) r;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1312 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1313 // the result is not an instruction (and thus cannot be appended)
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1314 return r;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1315 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1316 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1317 if (x.isAppended()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1318 // the instruction has already been added
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1319 return x;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1320 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1321 if (localValueMap != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1322 // look in the local value map
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1323 Value r = localValueMap.findInsert(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1324 if (r != x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1325 C1XMetrics.LocalValueNumberHits++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1326 if (r instanceof Instruction) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1327 assert ((Instruction) r).isAppended() : "instruction " + r + "is not appended";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1328 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1329 return r;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1330 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1331 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1332
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1333 assert x.next() == null : "instruction should not have been appended yet";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1334 assert lastInstr.next() == null : "cannot append instruction to instruction which isn't end (" + lastInstr + "->" + lastInstr.next() + ")";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1335 if (lastInstr instanceof Base) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1336 assert x instanceof Intrinsic : "may only happen when inlining intrinsics";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1337 Instruction prev = lastInstr.prev(lastInstr.block());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1338 prev.setNext(x, bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1339 x.setNext(lastInstr, bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1340 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1341 lastInstr = lastInstr.setNext(x, bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1342 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1343 if (++stats.nodeCount >= C1XOptions.MaximumInstructionCount) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1344 // bailout if we've exceeded the maximum inlining size
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1345 throw new CiBailout("Method and/or inlining is too large");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1346 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1347
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1348 if (memoryMap != null && hasUncontrollableSideEffects(x)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1349 // conservatively kill all memory if there are unknown side effects
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1350 memoryMap.kill();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1351 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1352
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1353 if (x instanceof StateSplit) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1354 StateSplit stateSplit = (StateSplit) x;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1355 if (!stateSplit.isStateCleared() && stateSplit.stateBefore() == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1356 stateSplit.setStateBefore(curState.immutableCopy(bci));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1357 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1358 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1359
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1360 if (x.canTrap()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1361 // connect the instruction to any exception handlers
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1362 x.setExceptionHandlers(handleException(x, bci));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1363 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1364
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1365 return x;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1366 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1367
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1368 private boolean hasUncontrollableSideEffects(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1369 return x instanceof Invoke \|\| x instanceof Intrinsic && !((Intrinsic) x).preservesState() \|\| x instanceof ResolveClass;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1370 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1371
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1372 private BlockBegin blockAtOrNull(int bci) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1373 return scopeData.blockAt(bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1374 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1375
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1376 private BlockBegin blockAt(int bci) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1377 BlockBegin result = blockAtOrNull(bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1378 assert result != null : "Expected a block to begin at " + bci;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1379 return result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1380 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1381
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1382 boolean tryInlineJsr(int jsrStart) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1383 // start a new continuation point.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1384 // all ret instructions will be replaced with gotos to this point
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1385 BlockBegin cont = blockAt(nextBCI());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1386
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1387 // push callee scope
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1388 pushScopeForJsr(cont, jsrStart);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1389
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1390 BlockBegin jsrStartBlock = blockAt(jsrStart);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1391 assert !jsrStartBlock.wasVisited();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1392 Goto gotoSub = new Goto(jsrStartBlock, null, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1393 gotoSub.setStateAfter(curState.immutableCopy(bci()));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1394 assert jsrStartBlock.stateBefore() == null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1395 jsrStartBlock.setStateBefore(curState.immutableCopy(bci()));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1396 append(gotoSub);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1397 curBlock.setEnd(gotoSub);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1398 lastInstr = curBlock = jsrStartBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1399
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1400 scopeData.addToWorkList(jsrStartBlock);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1401
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1402 iterateAllBlocks();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1403
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1404 if (cont.stateBefore() != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1405 if (!cont.wasVisited()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1406 scopeData.parent.addToWorkList(cont);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1407 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1408 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1409
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1410 BlockBegin jsrCont = scopeData.jsrContinuation();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1411 assert jsrCont == cont && (!jsrCont.wasVisited() \|\| jsrCont.isParserLoopHeader());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1412 assert lastInstr != null && lastInstr instanceof BlockEnd;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1413
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1414 // continuation is in work list, so end iteration of current block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1415 skipBlock = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1416 popScopeForJsr();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1417 C1XMetrics.InlinedJsrs++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1418 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1419 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1420
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1421 void pushScopeForJsr(BlockBegin jsrCont, int jsrStart) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1422 BytecodeStream stream = new BytecodeStream(scope().method.code());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1423 RiConstantPool constantPool = scopeData.constantPool;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1424 ScopeData data = new ScopeData(scopeData, scope(), scopeData.blockMap, stream, constantPool, jsrStart);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1425 BlockBegin continuation = scopeData.continuation();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1426 data.setContinuation(continuation);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1427 if (continuation != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1428 assert scopeData.continuationState() != null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1429 data.setContinuationState(scopeData.continuationState().copy());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1430 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1431 data.setJsrContinuation(jsrCont);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1432 scopeData = data;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1433 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1434
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1435 void pushScope(RiMethod target, BlockBegin continuation) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1436 // prepare callee scope
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1437 IRScope calleeScope = new IRScope(scope(), curState.immutableCopy(bci()), target, -1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1438 BlockMap blockMap = compilation.getBlockMap(calleeScope.method, -1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1439 calleeScope.setStoresInLoops(blockMap.getStoresInLoops());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1440 // prepare callee state
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1441 curState = curState.pushScope(calleeScope);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1442 BytecodeStream stream = new BytecodeStream(target.code());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1443 RiConstantPool constantPool = compilation.runtime.getConstantPool(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1444 ScopeData data = new ScopeData(scopeData, calleeScope, blockMap, stream, constantPool);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1445 data.setContinuation(continuation);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1446 scopeData = data;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1447 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1448
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1449 MutableFrameState stateAtEntry(RiMethod method) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1450 MutableFrameState state = new MutableFrameState(scope(), -1, method.maxLocals(), method.maxStackSize());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1451 int index = 0;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1452 if (!isStatic(method.accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1453 // add the receiver and assume it is non null
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1454 Local local = new Local(method.holder().kind(), index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1455 local.setFlag(Value.Flag.NonNull, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1456 local.setDeclaredType(method.holder());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1457 state.storeLocal(index, local);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1458 index = 1;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1459 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1460 RiSignature sig = method.signature();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1461 int max = sig.argumentCount(false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1462 RiType accessingClass = method.holder();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1463 for (int i = 0; i < max; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1464 RiType type = sig.argumentTypeAt(i, accessingClass);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1465 CiKind kind = type.kind().stackKind();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1466 Local local = new Local(kind, index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1467 if (type.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1468 local.setDeclaredType(type);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1469 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1470 state.storeLocal(index, local);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1471 index += kind.sizeInSlots();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1472 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1473 return state;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1474 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1475
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1476 boolean tryRemoveCall(RiMethod target, Value[] args, boolean isStatic) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1477 if (target.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1478 if (C1XOptions.OptIntrinsify) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1479 // try to create an intrinsic node instead of a call
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1480 C1XIntrinsic intrinsic = C1XIntrinsic.getIntrinsic(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1481 if (intrinsic != null && tryInlineIntrinsic(target, args, isStatic, intrinsic)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1482 // this method is not an intrinsic
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1483 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1484 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1485 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1486 if (C1XOptions.CanonicalizeFoldableMethods) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1487 // next try to fold the method call
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1488 if (tryFoldable(target, args)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1489 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1490 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1491 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1492 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1493 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1494 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1495
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1496 private boolean tryInlineIntrinsic(RiMethod target, Value[] args, boolean isStatic, C1XIntrinsic intrinsic) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1497 boolean preservesState = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1498 boolean canTrap = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1499
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1500 Instruction result = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1501
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1502 // handle intrinsics differently
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1503 switch (intrinsic) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1504
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1505 case java_lang_System$arraycopy:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1506 if (compilation.runtime.supportsArrayIntrinsics()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1507 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1508 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1509 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1510 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1511 case java_lang_Object$getClass:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1512 canTrap = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1513 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1514 case java_lang_Thread$currentThread:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1515 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1516 case java_util_Arrays$copyOf:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1517 if (args[0].declaredType() != null && args[0].declaredType().isArrayClass() && compilation.runtime.supportsArrayIntrinsics()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1518 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1519 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1520 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1521 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1522 case java_lang_Object$init: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1523 case java_lang_String$equals: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1524 case java_lang_String$compareTo: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1525 case java_lang_String$indexOf: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1526 case java_lang_Math$max: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1527 case java_lang_Math$min: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1528 case java_lang_Math$atan2: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1529 case java_lang_Math$pow: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1530 case java_lang_Math$exp: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1531 case java_nio_Buffer$checkIndex: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1532 case java_lang_System$identityHashCode: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1533 case java_lang_System$currentTimeMillis: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1534 case java_lang_System$nanoTime: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1535 case java_lang_Object$hashCode: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1536 case java_lang_Class$isAssignableFrom: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1537 case java_lang_Class$isInstance: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1538 case java_lang_Class$getModifiers: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1539 case java_lang_Class$isInterface: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1540 case java_lang_Class$isArray: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1541 case java_lang_Class$isPrimitive: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1542 case java_lang_Class$getSuperclass: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1543 case java_lang_Class$getComponentType: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1544 case java_lang_reflect_Array$getLength: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1545 case java_lang_reflect_Array$newArray: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1546 case java_lang_Double$doubleToLongBits: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1547 case java_lang_Float$floatToIntBits: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1548 case java_lang_Math$sin: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1549 case java_lang_Math$cos: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1550 case java_lang_Math$tan: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1551 case java_lang_Math$log: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1552 case java_lang_Math$log10: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1553 case java_lang_Integer$bitCount: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1554 case java_lang_Integer$reverseBytes: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1555 case java_lang_Long$bitCount: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1556 case java_lang_Long$reverseBytes: // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1557 case java_lang_Object$clone: return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1558 // TODO: preservesState and canTrap for complex intrinsics
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1559 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1560
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1561
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1562
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1563 // get the arguments for the intrinsic
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1564 CiKind resultType = returnKind(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1565
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1566 if (C1XOptions.PrintInlinedIntrinsics) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1567 TTY.println("Inlining intrinsic: " + intrinsic);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1568 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1569
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1570 // Create state before intrinsic.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1571 for (int i = 0; i < args.length; ++i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1572 if (args[i] != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1573 curState.push(args[i].kind.stackKind(), args[i]);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1574 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1575 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1576
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1577 // Create the intrinsic node.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1578 if (intrinsic == C1XIntrinsic.java_lang_System$arraycopy) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1579 result = genArrayCopy(target, args);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1580 } else if (intrinsic == C1XIntrinsic.java_util_Arrays$copyOf) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1581 result = genArrayClone(target, args);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1582 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1583 result = new Intrinsic(resultType.stackKind(), intrinsic, target, args, isStatic, curState.immutableCopy(bci()), preservesState, canTrap);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1584 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1585
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1586 // Pop arguments.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1587 curState.popArguments(args.length);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1588
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1589 pushReturn(resultType, append(result));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1590 stats.intrinsicCount++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1591 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1592 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1593
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1594 private Instruction genArrayClone(RiMethod target, Value[] args) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1595 FrameState state = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1596 Value array = args[0];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1597 RiType type = array.declaredType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1598 assert type != null && type.isResolved() && type.isArrayClass();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1599 Value newLength = args[1];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1600
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1601 Value oldLength = append(new ArrayLength(array, state));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1602 Value newArray = append(new NewObjectArrayClone(newLength, array, state));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1603 Value copyLength = append(new IfOp(newLength, Condition.LT, oldLength, newLength, oldLength));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1604 append(new ArrayCopy(array, Constant.forInt(0), newArray, Constant.forInt(0), copyLength, null, null));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1605 return (Instruction) newArray;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1606 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1607
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1608 private Instruction genArrayCopy(RiMethod target, Value[] args) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1609 FrameState state = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1610 Instruction result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1611 Value src = args[0];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1612 Value srcPos = args[1];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1613 Value dest = args[2];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1614 Value destPos = args[3];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1615 Value length = args[4];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1616
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1617 // Check src start pos.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1618 Value srcLength = append(new ArrayLength(src, state));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1619
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1620 // Check dest start pos.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1621 Value destLength = srcLength;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1622 if (src != dest) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1623 destLength = append(new ArrayLength(dest, state));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1624 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1625
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1626 // Check src end pos.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1627 Value srcEndPos = append(new ArithmeticOp(IADD, CiKind.Int, srcPos, length, false, null));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1628 append(new BoundsCheck(srcEndPos, srcLength, state, Condition.LE));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1629
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1630 // Check dest end pos.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1631 Value destEndPos = srcEndPos;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1632 if (destPos != srcPos) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1633 destEndPos = append(new ArithmeticOp(IADD, CiKind.Int, destPos, length, false, null));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1634 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1635 append(new BoundsCheck(destEndPos, destLength, state, Condition.LE));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1636
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1637 Value zero = append(Constant.forInt(0));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1638 append(new BoundsCheck(length, zero, state, Condition.GE));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1639 append(new BoundsCheck(srcPos, zero, state, Condition.GE));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1640 append(new BoundsCheck(destPos, zero, state, Condition.GE));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1641
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1642 result = new ArrayCopy(src, srcPos, dest, destPos, length, target, state);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1643 return result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1644 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1645
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1646 private boolean tryFoldable(RiMethod target, Value[] args) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1647 CiConstant result = Canonicalizer.foldInvocation(compilation.runtime, target, args);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1648 if (result != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1649 if (C1XOptions.TraceBytecodeParserLevel > 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1650 log.println("\|");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1651 log.println("\| [folded " + target + " --> " + result + "]");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1652 log.println("\|");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1653 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1654
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1655 pushReturn(returnKind(target), append(new Constant(result)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1656 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1657 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1658 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1659 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1660
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1661 private boolean tryInline(RiMethod target, Value[] args) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1662 boolean forcedInline = compilation.runtime.mustInline(target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1663 if (forcedInline) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1664 for (IRScope scope = scope().caller; scope != null; scope = scope.caller) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1665 if (scope.method.equals(target)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1666 throw new CiBailout("Cannot recursively inline method that is force-inlined: " + target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1667 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1668 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1669 C1XMetrics.InlineForcedMethods++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1670 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1671 if (forcedInline \|\| checkInliningConditions(target)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1672 if (C1XOptions.TraceBytecodeParserLevel > 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1673 log.adjustIndentation(1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1674 log.println("\\");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1675 log.adjustIndentation(1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1676 if (C1XOptions.TraceBytecodeParserLevel < TRACELEVEL_STATE) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1677 log.println("\| [inlining " + target + "]");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1678 log.println("\|");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1679 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1680 }
2515 4fdef1464592 Removed extended bytecodes and related HIR instructions. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2509 diff changeset	1681
4fdef1464592 Removed extended bytecodes and related HIR instructions. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2509 diff changeset	1682 inline(target, args, forcedInline);
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1683
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1684 if (C1XOptions.TraceBytecodeParserLevel > 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1685 if (C1XOptions.TraceBytecodeParserLevel < TRACELEVEL_STATE) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1686 log.println("\|");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1687 log.println("\| [return to " + curState.scope().method + "]");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1688 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1689 log.adjustIndentation(-1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1690 log.println("/");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1691 log.adjustIndentation(-1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1692 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1693 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1694 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1695 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1696 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1697
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1698 private boolean checkInliningConditions(RiMethod target) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1699 if (!C1XOptions.OptInline) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1700 return false; // all inlining is turned off
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1701 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1702 if (!target.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1703 return cannotInline(target, "unresolved method");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1704 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1705 if (target.code() == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1706 return cannotInline(target, "method has no code");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1707 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1708 if (!target.holder().isInitialized()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1709 return cannotInline(target, "holder is not initialized");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1710 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1711 if (recursiveInlineLevel(target) > C1XOptions.MaximumRecursiveInlineLevel) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1712 return cannotInline(target, "recursive inlining too deep");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1713 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1714 if (target.code().length > scopeData.maxInlineSize()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1715 return cannotInline(target, "inlinee too large for this level");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1716 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1717 if (scopeData.scope.level + 1 > C1XOptions.MaximumInlineLevel) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1718 return cannotInline(target, "inlining too deep");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1719 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1720 if (stats.nodeCount > C1XOptions.MaximumDesiredSize) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1721 return cannotInline(target, "compilation already too big " + "(" + compilation.stats.nodeCount + " nodes)");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1722 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1723 if (compilation.runtime.mustNotInline(target)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1724 C1XMetrics.InlineForbiddenMethods++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1725 return cannotInline(target, "inlining excluded by runtime");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1726 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1727 if (compilation.runtime.mustNotCompile(target)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1728 return cannotInline(target, "compile excluded by runtime");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1729 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1730 if (isSynchronized(target.accessFlags()) && !C1XOptions.OptInlineSynchronized) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1731 return cannotInline(target, "is synchronized");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1732 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1733 if (target.exceptionHandlers().length != 0 && !C1XOptions.OptInlineExcept) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1734 return cannotInline(target, "has exception handlers");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1735 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1736 if (!target.hasBalancedMonitors()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1737 return cannotInline(target, "has unbalanced monitors");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1738 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1739 if (target.isConstructor()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1740 if (compilation.runtime.isExceptionType(target.holder())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1741 // don't inline constructors of throwable classes unless the inlining tree is
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1742 // rooted in a throwable class
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1743 if (!compilation.runtime.isExceptionType(rootScope().method.holder())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1744 return cannotInline(target, "don't inline Throwable constructors");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1745 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1746 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1747 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1748 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1749 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1750
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1751 private boolean cannotInline(RiMethod target, String reason) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1752 if (C1XOptions.PrintInliningFailures) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1753 TTY.println("Cannot inline " + target.toString() + " into " + compilation.method.toString() + " because of " + reason);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1754 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1755 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1756 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1757
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1758 private void inline(RiMethod target, Value[] args, boolean forcedInline) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1759 BlockBegin orig = curBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1760 if (!forcedInline && !isStatic(target.accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1761 // the receiver object must be null-checked for instance methods
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1762 Value receiver = args[0];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1763 if (!receiver.isNonNull() && !receiver.kind.isWord()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1764 NullCheck check = new NullCheck(receiver, null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1765 args[0] = append(check);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1766 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1767 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1768
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1769 // Introduce a new callee continuation point. All return instructions
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1770 // in the callee will be transformed to Goto's to the continuation
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1771 BlockBegin continuationBlock = blockAtOrNull(nextBCI());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1772 boolean continuationExisted = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1773 if (continuationBlock == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1774 // there was not already a block starting at the next BCI
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1775 continuationBlock = new BlockBegin(nextBCI(), ir.nextBlockNumber());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1776 continuationBlock.setDepthFirstNumber(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1777 continuationExisted = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1778 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1779 // record the number of predecessors before inlining, to determine
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1780 // whether the inlined method has added edges to the continuation
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1781 int continuationPredecessors = continuationBlock.predecessors().size();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1782
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1783 // push the target scope
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1784 pushScope(target, continuationBlock);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1785
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1786 // pass parameters into the callee state
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1787 FrameState calleeState = curState;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1788 for (int i = 0; i < args.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1789 Value arg = args[i];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1790 if (arg != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1791 calleeState.storeLocal(i, arg);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1792 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1793 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1794
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1795 // setup state that is used at returns from the inlined method.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1796 // this is essentially the state of the continuation block,
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1797 // but without the return value on the stack.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1798 scopeData.setContinuationState(scope().callerState);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1799
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1800 Value lock = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1801 BlockBegin syncHandler = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1802 // inline the locking code if the target method is synchronized
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1803 if (Modifier.isSynchronized(target.accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1804 // lock the receiver object if it is an instance method, the class object otherwise
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1805 lock = synchronizedObject(curState, target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1806 syncHandler = new BlockBegin(Instruction.SYNCHRONIZATION_ENTRY_BCI, ir.nextBlockNumber());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1807 syncHandler.setNext(null, -1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1808 inlineSyncEntry(lock, syncHandler);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1809 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1810
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1811 BlockBegin calleeStartBlock = blockAt(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1812 if (calleeStartBlock.isParserLoopHeader()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1813 // the block is a loop header, so we have to insert a goto
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1814 Goto gotoCallee = new Goto(calleeStartBlock, null, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1815 gotoCallee.setStateAfter(curState.immutableCopy(bci()));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1816 appendWithoutOptimization(gotoCallee, 0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1817 curBlock.setEnd(gotoCallee);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1818 calleeStartBlock.mergeOrClone(calleeState);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1819 lastInstr = curBlock = calleeStartBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1820 scopeData.addToWorkList(calleeStartBlock);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1821 // now iterate over all the blocks
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1822 iterateAllBlocks();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1823 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1824 // ready to resume parsing inlined method into this block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1825 iterateBytecodesForBlock(0, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1826 // now iterate over the rest of the blocks
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1827 iterateAllBlocks();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1828 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1829
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1830 assert continuationExisted \|\| !continuationBlock.wasVisited() : "continuation should not have been parsed if we created it";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1831
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1832 ReturnBlock simpleInlineInfo = scopeData.simpleInlineInfo();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1833 if (simpleInlineInfo != null && curBlock == orig) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1834 // Optimization: during parsing of the callee we
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1835 // generated at least one Goto to the continuation block. If we
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1836 // generated exactly one, and if the inlined method spanned exactly
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1837 // one block (and we didn't have to Goto its entry), then we snip
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1838 // off the Goto to the continuation, allowing control to fall
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1839 // through back into the caller block and effectively performing
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1840 // block merging. This allows local load elimination and local value numbering
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1841 // to take place across multiple callee scopes if they are relatively simple, and
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1842 // is currently essential to making inlining profitable. It also reduces the
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1843 // number of blocks in the CFG
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1844 lastInstr = simpleInlineInfo.returnPredecessor;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1845 curState = simpleInlineInfo.returnState.popScope();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1846 lastInstr.setNext(null, -1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1847 } else if (continuationPredecessors == continuationBlock.predecessors().size()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1848 // Inlining caused the instructions after the invoke in the
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1849 // caller to not reachable any more (i.e. no control flow path
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1850 // in the callee was terminated by a return instruction).
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1851 // So skip filling this block with instructions!
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1852 assert continuationBlock == scopeData.continuation();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1853 assert lastInstr instanceof BlockEnd;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1854 skipBlock = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1855 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1856 // Resume parsing in continuation block unless it was already parsed.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1857 // Note that if we don't change lastInstr here, iteration in
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1858 // iterateBytecodesForBlock will stop when we return.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1859 if (!scopeData.continuation().wasVisited()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1860 // add continuation to work list instead of parsing it immediately
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1861 assert lastInstr instanceof BlockEnd;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1862 scopeData.parent.addToWorkList(scopeData.continuation());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1863 skipBlock = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1864 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1865 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1866
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1867 // fill the exception handler for synchronized methods with instructions
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1868 if (syncHandler != null && syncHandler.stateBefore() != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1869 // generate unlocking code if the exception handler is reachable
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1870 fillSyncHandler(lock, syncHandler, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1871 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1872 popScope();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1873 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1874
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1875 stats.inlineCount++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1876 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1877
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1878 private Value synchronizedObject(FrameState curState2, RiMethod target) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1879 if (isStatic(target.accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1880 Constant classConstant = new Constant(target.holder().getEncoding(Representation.JavaClass));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1881 return appendWithoutOptimization(classConstant, Instruction.SYNCHRONIZATION_ENTRY_BCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1882 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1883 return curState2.localAt(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1884 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1885 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1886
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1887 private void inlineSyncEntry(Value lock, BlockBegin syncHandler) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1888 genMonitorEnter(lock, Instruction.SYNCHRONIZATION_ENTRY_BCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1889 syncHandler.setExceptionEntry();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1890 syncHandler.setBlockFlag(BlockBegin.BlockFlag.IsOnWorkList);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1891 ExceptionHandler handler = new ExceptionHandler(new CiExceptionHandler(0, method().code().length, -1, 0, null));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1892 handler.setEntryBlock(syncHandler);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1893 scopeData.addExceptionHandler(handler);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1894 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1895
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1896 private void fillSyncHandler(Value lock, BlockBegin syncHandler, boolean inlinedMethod) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1897 BlockBegin origBlock = curBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1898 MutableFrameState origState = curState;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1899 Instruction origLast = lastInstr;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1900
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1901 lastInstr = curBlock = syncHandler;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1902 while (lastInstr.next() != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1903 // go forward to the end of the block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1904 lastInstr = lastInstr.next();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1905 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1906 curState = syncHandler.stateBefore().copy();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1907
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1908 int bci = Instruction.SYNCHRONIZATION_ENTRY_BCI;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1909 Value exception = appendWithoutOptimization(new ExceptionObject(curState.immutableCopy(bci)), bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1910
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1911 assert lock != null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1912 assert curState.locksSize() > 0 && curState.lockAt(locksSize() - 1) == lock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1913 if (lock instanceof Instruction) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1914 Instruction l = (Instruction) lock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1915 if (!l.isAppended()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1916 lock = appendWithoutOptimization(l, Instruction.SYNCHRONIZATION_ENTRY_BCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1917 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1918 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1919 // exit the monitor
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1920 genMonitorExit(lock, Instruction.SYNCHRONIZATION_ENTRY_BCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1921
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1922 // exit the context of the synchronized method
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1923 if (inlinedMethod) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1924 popScope();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1925 bci = curState.scope().callerBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1926 curState = curState.popScope();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1927 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1928
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1929 apush(exception);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1930 genThrow(bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1931 BlockEnd end = (BlockEnd) lastInstr;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1932 curBlock.setEnd(end);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1933 end.setStateAfter(curState.immutableCopy(bci()));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1934
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1935 curBlock = origBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1936 curState = origState;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1937 lastInstr = origLast;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1938 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1939
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1940 private void iterateAllBlocks() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1941 BlockBegin b;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1942 while ((b = scopeData.removeFromWorkList()) != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1943 if (!b.wasVisited()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1944 if (b.isOsrEntry()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1945 // this is the OSR entry block, set up edges accordingly
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1946 setupOsrEntryBlock();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1947 // this is no longer the OSR entry block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1948 b.setOsrEntry(false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1949 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1950 b.setWasVisited(true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1951 // now parse the block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1952 killMemoryMap();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1953 curBlock = b;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1954 curState = b.stateBefore().copy();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1955 lastInstr = b;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1956 b.setNext(null, -1);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1957
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1958 iterateBytecodesForBlock(b.bci(), false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1959 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1960 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1961 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1962
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1963 private void popScope() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1964 int maxLocks = scope().maxLocks();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1965 scopeData = scopeData.parent;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1966 scope().updateMaxLocks(maxLocks);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1967 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1968
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1969 private void popScopeForJsr() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1970 scopeData = scopeData.parent;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1971 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1972
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1973 private void setupOsrEntryBlock() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1974 assert compilation.isOsrCompilation();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1975
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1976 int osrBCI = compilation.osrBCI;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1977 BytecodeStream s = scopeData.stream;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1978 RiOsrFrame frame = compilation.getOsrFrame();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1979 s.setBCI(osrBCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1980 s.next(); // XXX: why go to next bytecode?
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1981
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1982 // create a new block to contain the OSR setup code
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1983 ir.osrEntryBlock = new BlockBegin(osrBCI, ir.nextBlockNumber());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1984 ir.osrEntryBlock.setOsrEntry(true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1985 ir.osrEntryBlock.setDepthFirstNumber(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1986
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1987 // get the target block of the OSR
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1988 BlockBegin target = scopeData.blockAt(osrBCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1989 assert target != null && target.isOsrEntry();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1990
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1991 MutableFrameState state = target.stateBefore().copy();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1992 ir.osrEntryBlock.setStateBefore(state);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1993
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1994 killMemoryMap();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1995 curBlock = ir.osrEntryBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1996 curState = state.copy();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1997 lastInstr = ir.osrEntryBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1998
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1999 // create the entry instruction which represents the OSR state buffer
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2000 // input from interpreter / JIT
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2001 Instruction e = new OsrEntry();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2002 e.setFlag(Value.Flag.NonNull, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2003
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2004 for (int i = 0; i < state.localsSize(); i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2005 Value local = state.localAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2006 Value get;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2007 int offset = frame.getLocalOffset(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2008 if (local != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2009 // this is a live local according to compiler
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2010 if (local.kind.isObject() && !frame.isLiveObject(i)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2011 // the compiler thinks this is live, but not the interpreter
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2012 // pretend that it passed null
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2013 get = appendConstant(CiConstant.NULL_OBJECT);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2014 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2015 Value oc = appendConstant(CiConstant.forInt(offset));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2016 get = append(new UnsafeGetRaw(local.kind, e, oc, 0, true));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2017 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2018 state.storeLocal(i, get);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2019 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2020 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2021
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2022 assert state.callerState() == null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2023 state.clearLocals();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2024 // ATTN: assumption: state is not used further below, else add .immutableCopy()
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2025 Goto g = new Goto(target, state, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2026 append(g);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2027 ir.osrEntryBlock.setEnd(g);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2028 target.mergeOrClone(ir.osrEntryBlock.end().stateAfter());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2029 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2030
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2031 private BlockEnd iterateBytecodesForBlock(int bci, boolean inliningIntoCurrentBlock) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2032 skipBlock = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2033 assert curState != null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2034 BytecodeStream s = scopeData.stream;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2035 s.setBCI(bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2036
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2037 BlockBegin block = curBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2038 BlockEnd end = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2039 boolean pushException = block.isExceptionEntry() && block.next() == null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2040 int prevBCI = bci;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2041 int endBCI = s.endBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2042 boolean blockStart = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2043
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2044 while (bci < endBCI) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2045 BlockBegin nextBlock = blockAtOrNull(bci);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2046 if (bci == 0 && inliningIntoCurrentBlock) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2047 if (!nextBlock.isParserLoopHeader()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2048 // Ignore the block boundary of the entry block of a method
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2049 // being inlined unless the block is a loop header.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2050 nextBlock = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2051 blockStart = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2052 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2053 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2054 if (nextBlock != null && nextBlock != block) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2055 // we fell through to the next block, add a goto and break
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2056 end = new Goto(nextBlock, null, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2057 lastInstr = lastInstr.setNext(end, prevBCI);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2058 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2059 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2060 // read the opcode
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2061 int opcode = s.currentBC();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2062
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2063 // check for active JSR during OSR compilation
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2064 if (compilation.isOsrCompilation() && scope().isTopScope() && scopeData.parsingJsr() && s.currentBCI() == compilation.osrBCI) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2065 throw new CiBailout("OSR not supported while a JSR is active");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2066 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2067
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2068 // push an exception object onto the stack if we are parsing an exception handler
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2069 if (pushException) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2070 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2071 apush(append(new ExceptionObject(stateBefore)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2072 pushException = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2073 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2074
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2075 traceState();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2076 traceInstruction(bci, s, opcode, blockStart);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2077 processBytecode(bci, s, opcode);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2078
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2079 prevBCI = bci;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2080
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2081 if (lastInstr instanceof BlockEnd) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2082 end = (BlockEnd) lastInstr;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2083 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2084 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2085 s.next();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2086 bci = s.currentBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2087 blockStart = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2088 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2089
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2090 // stop processing of this block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2091 if (skipBlock) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2092 skipBlock = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2093 return (BlockEnd) lastInstr;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2094 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2095
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2096 // if the method terminates, we don't need the stack anymore
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2097 if (end instanceof Return \|\| end instanceof Throw) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2098 curState.clearStack();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2099 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2100
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2101 // connect to begin and set state
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2102 // NOTE that inlining may have changed the block we are parsing
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2103 assert end != null : "end should exist after iterating over bytecodes";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2104 end.setStateAfter(curState.immutableCopy(bci()));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2105 curBlock.setEnd(end);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2106 // propagate the state
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2107 for (BlockBegin succ : end.successors()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2108 assert succ.predecessors().contains(curBlock);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2109 succ.mergeOrClone(end.stateAfter());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2110 scopeData.addToWorkList(succ);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2111 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2112 return end;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2113 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2114
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2115 private void traceState() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2116 if (C1XOptions.TraceBytecodeParserLevel >= TRACELEVEL_STATE && !TTY.isSuppressed()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2117 log.println(String.format("\| state [nr locals = %d, stack depth = %d, method = %s]", curState.localsSize(), curState.stackSize(), curState.scope().method));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2118 for (int i = 0; i < curState.localsSize(); ++i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2119 Value value = curState.localAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2120 log.println(String.format("\| local[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind.javaName, value));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2121 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2122 for (int i = 0; i < curState.stackSize(); ++i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2123 Value value = curState.stackAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2124 log.println(String.format("\| stack[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind.javaName, value));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2125 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2126 for (int i = 0; i < curState.locksSize(); ++i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2127 Value value = curState.lockAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2128 log.println(String.format("\| lock[%d] = %-8s : %s", i, value == null ? "bogus" : value.kind.javaName, value));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2129 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2130 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2131 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2132
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2133 private void processBytecode(int bci, BytecodeStream s, int opcode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2134 int cpi;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2135
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2136 // Checkstyle: stop
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2137 switch (opcode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2138 case NOP : /* nothing to do */ break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2139 case ACONST_NULL : apush(appendConstant(CiConstant.NULL_OBJECT)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2140 case ICONST_M1 : ipush(appendConstant(CiConstant.INT_MINUS_1)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2141 case ICONST_0 : ipush(appendConstant(CiConstant.INT_0)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2142 case ICONST_1 : ipush(appendConstant(CiConstant.INT_1)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2143 case ICONST_2 : ipush(appendConstant(CiConstant.INT_2)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2144 case ICONST_3 : ipush(appendConstant(CiConstant.INT_3)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2145 case ICONST_4 : ipush(appendConstant(CiConstant.INT_4)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2146 case ICONST_5 : ipush(appendConstant(CiConstant.INT_5)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2147 case LCONST_0 : lpush(appendConstant(CiConstant.LONG_0)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2148 case LCONST_1 : lpush(appendConstant(CiConstant.LONG_1)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2149 case FCONST_0 : fpush(appendConstant(CiConstant.FLOAT_0)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2150 case FCONST_1 : fpush(appendConstant(CiConstant.FLOAT_1)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2151 case FCONST_2 : fpush(appendConstant(CiConstant.FLOAT_2)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2152 case DCONST_0 : dpush(appendConstant(CiConstant.DOUBLE_0)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2153 case DCONST_1 : dpush(appendConstant(CiConstant.DOUBLE_1)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2154 case BIPUSH : ipush(appendConstant(CiConstant.forInt(s.readByte()))); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2155 case SIPUSH : ipush(appendConstant(CiConstant.forInt(s.readShort()))); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2156 case LDC : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2157 case LDC_W : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2158 case LDC2_W : genLoadConstant(s.readCPI()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2159 case ILOAD : loadLocal(s.readLocalIndex(), CiKind.Int); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2160 case LLOAD : loadLocal(s.readLocalIndex(), CiKind.Long); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2161 case FLOAD : loadLocal(s.readLocalIndex(), CiKind.Float); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2162 case DLOAD : loadLocal(s.readLocalIndex(), CiKind.Double); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2163 case ALOAD : loadLocal(s.readLocalIndex(), CiKind.Object); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2164 case ILOAD_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2165 case ILOAD_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2166 case ILOAD_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2167 case ILOAD_3 : loadLocal(opcode - ILOAD_0, CiKind.Int); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2168 case LLOAD_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2169 case LLOAD_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2170 case LLOAD_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2171 case LLOAD_3 : loadLocal(opcode - LLOAD_0, CiKind.Long); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2172 case FLOAD_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2173 case FLOAD_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2174 case FLOAD_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2175 case FLOAD_3 : loadLocal(opcode - FLOAD_0, CiKind.Float); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2176 case DLOAD_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2177 case DLOAD_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2178 case DLOAD_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2179 case DLOAD_3 : loadLocal(opcode - DLOAD_0, CiKind.Double); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2180 case ALOAD_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2181 case ALOAD_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2182 case ALOAD_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2183 case ALOAD_3 : loadLocal(opcode - ALOAD_0, CiKind.Object); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2184 case IALOAD : genLoadIndexed(CiKind.Int ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2185 case LALOAD : genLoadIndexed(CiKind.Long ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2186 case FALOAD : genLoadIndexed(CiKind.Float ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2187 case DALOAD : genLoadIndexed(CiKind.Double); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2188 case AALOAD : genLoadIndexed(CiKind.Object); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2189 case BALOAD : genLoadIndexed(CiKind.Byte ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2190 case CALOAD : genLoadIndexed(CiKind.Char ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2191 case SALOAD : genLoadIndexed(CiKind.Short ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2192 case ISTORE : storeLocal(CiKind.Int, s.readLocalIndex()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2193 case LSTORE : storeLocal(CiKind.Long, s.readLocalIndex()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2194 case FSTORE : storeLocal(CiKind.Float, s.readLocalIndex()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2195 case DSTORE : storeLocal(CiKind.Double, s.readLocalIndex()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2196 case ASTORE : storeLocal(CiKind.Object, s.readLocalIndex()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2197 case ISTORE_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2198 case ISTORE_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2199 case ISTORE_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2200 case ISTORE_3 : storeLocal(CiKind.Int, opcode - ISTORE_0); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2201 case LSTORE_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2202 case LSTORE_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2203 case LSTORE_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2204 case LSTORE_3 : storeLocal(CiKind.Long, opcode - LSTORE_0); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2205 case FSTORE_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2206 case FSTORE_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2207 case FSTORE_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2208 case FSTORE_3 : storeLocal(CiKind.Float, opcode - FSTORE_0); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2209 case DSTORE_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2210 case DSTORE_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2211 case DSTORE_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2212 case DSTORE_3 : storeLocal(CiKind.Double, opcode - DSTORE_0); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2213 case ASTORE_0 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2214 case ASTORE_1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2215 case ASTORE_2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2216 case ASTORE_3 : storeLocal(CiKind.Object, opcode - ASTORE_0); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2217 case IASTORE : genStoreIndexed(CiKind.Int ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2218 case LASTORE : genStoreIndexed(CiKind.Long ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2219 case FASTORE : genStoreIndexed(CiKind.Float ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2220 case DASTORE : genStoreIndexed(CiKind.Double); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2221 case AASTORE : genStoreIndexed(CiKind.Object); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2222 case BASTORE : genStoreIndexed(CiKind.Byte ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2223 case CASTORE : genStoreIndexed(CiKind.Char ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2224 case SASTORE : genStoreIndexed(CiKind.Short ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2225 case POP : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2226 case POP2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2227 case DUP : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2228 case DUP_X1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2229 case DUP_X2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2230 case DUP2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2231 case DUP2_X1 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2232 case DUP2_X2 : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2233 case SWAP : stackOp(opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2234 case IADD : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2235 case ISUB : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2236 case IMUL : genArithmeticOp(CiKind.Int, opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2237 case IDIV : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2238 case IREM : genArithmeticOp(CiKind.Int, opcode, curState.immutableCopy(bci())); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2239 case LADD : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2240 case LSUB : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2241 case LMUL : genArithmeticOp(CiKind.Long, opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2242 case LDIV : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2243 case LREM : genArithmeticOp(CiKind.Long, opcode, curState.immutableCopy(bci())); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2244 case FADD : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2245 case FSUB : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2246 case FMUL : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2247 case FDIV : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2248 case FREM : genArithmeticOp(CiKind.Float, opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2249 case DADD : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2250 case DSUB : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2251 case DMUL : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2252 case DDIV : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2253 case DREM : genArithmeticOp(CiKind.Double, opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2254 case INEG : genNegateOp(CiKind.Int); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2255 case LNEG : genNegateOp(CiKind.Long); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2256 case FNEG : genNegateOp(CiKind.Float); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2257 case DNEG : genNegateOp(CiKind.Double); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2258 case ISHL : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2259 case ISHR : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2260 case IUSHR : genShiftOp(CiKind.Int, opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2261 case IAND : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2262 case IOR : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2263 case IXOR : genLogicOp(CiKind.Int, opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2264 case LSHL : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2265 case LSHR : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2266 case LUSHR : genShiftOp(CiKind.Long, opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2267 case LAND : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2268 case LOR : // fall through
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2269 case LXOR : genLogicOp(CiKind.Long, opcode); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2270 case IINC : genIncrement(); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2271 case I2L : genConvert(opcode, CiKind.Int , CiKind.Long ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2272 case I2F : genConvert(opcode, CiKind.Int , CiKind.Float ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2273 case I2D : genConvert(opcode, CiKind.Int , CiKind.Double); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2274 case L2I : genConvert(opcode, CiKind.Long , CiKind.Int ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2275 case L2F : genConvert(opcode, CiKind.Long , CiKind.Float ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2276 case L2D : genConvert(opcode, CiKind.Long , CiKind.Double); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2277 case F2I : genConvert(opcode, CiKind.Float , CiKind.Int ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2278 case F2L : genConvert(opcode, CiKind.Float , CiKind.Long ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2279 case F2D : genConvert(opcode, CiKind.Float , CiKind.Double); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2280 case D2I : genConvert(opcode, CiKind.Double, CiKind.Int ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2281 case D2L : genConvert(opcode, CiKind.Double, CiKind.Long ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2282 case D2F : genConvert(opcode, CiKind.Double, CiKind.Float ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2283 case I2B : genConvert(opcode, CiKind.Int , CiKind.Byte ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2284 case I2C : genConvert(opcode, CiKind.Int , CiKind.Char ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2285 case I2S : genConvert(opcode, CiKind.Int , CiKind.Short ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2286 case LCMP : genCompareOp(CiKind.Long, opcode, CiKind.Int); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2287 case FCMPL : genCompareOp(CiKind.Float, opcode, CiKind.Int); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2288 case FCMPG : genCompareOp(CiKind.Float, opcode, CiKind.Int); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2289 case DCMPL : genCompareOp(CiKind.Double, opcode, CiKind.Int); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2290 case DCMPG : genCompareOp(CiKind.Double, opcode, CiKind.Int); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2291 case IFEQ : genIfZero(Condition.EQ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2292 case IFNE : genIfZero(Condition.NE); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2293 case IFLT : genIfZero(Condition.LT); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2294 case IFGE : genIfZero(Condition.GE); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2295 case IFGT : genIfZero(Condition.GT); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2296 case IFLE : genIfZero(Condition.LE); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2297 case IF_ICMPEQ : genIfSame(CiKind.Int, Condition.EQ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2298 case IF_ICMPNE : genIfSame(CiKind.Int, Condition.NE); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2299 case IF_ICMPLT : genIfSame(CiKind.Int, Condition.LT); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2300 case IF_ICMPGE : genIfSame(CiKind.Int, Condition.GE); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2301 case IF_ICMPGT : genIfSame(CiKind.Int, Condition.GT); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2302 case IF_ICMPLE : genIfSame(CiKind.Int, Condition.LE); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2303 case IF_ACMPEQ : genIfSame(peekKind(), Condition.EQ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2304 case IF_ACMPNE : genIfSame(peekKind(), Condition.NE); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2305 case GOTO : genGoto(s.currentBCI(), s.readBranchDest()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2306 case JSR : genJsr(s.readBranchDest()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2307 case RET : genRet(s.readLocalIndex()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2308 case TABLESWITCH : genTableswitch(); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2309 case LOOKUPSWITCH : genLookupswitch(); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2310 case IRETURN : genReturn(ipop()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2311 case LRETURN : genReturn(lpop()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2312 case FRETURN : genReturn(fpop()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2313 case DRETURN : genReturn(dpop()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2314 case ARETURN : genReturn(apop()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2315 case RETURN : genReturn(null ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2316 case GETSTATIC : cpi = s.readCPI(); genGetStatic(cpi, constantPool().lookupField(cpi, opcode)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2317 case PUTSTATIC : cpi = s.readCPI(); genPutStatic(cpi, constantPool().lookupField(cpi, opcode)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2318 case GETFIELD : cpi = s.readCPI(); genGetField(cpi, constantPool().lookupField(cpi, opcode)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2319 case PUTFIELD : cpi = s.readCPI(); genPutField(cpi, constantPool().lookupField(cpi, opcode)); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2320 case INVOKEVIRTUAL : cpi = s.readCPI(); genInvokeVirtual(constantPool().lookupMethod(cpi, opcode), cpi, constantPool()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2321 case INVOKESPECIAL : cpi = s.readCPI(); genInvokeSpecial(constantPool().lookupMethod(cpi, opcode), null, cpi, constantPool()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2322 case INVOKESTATIC : cpi = s.readCPI(); genInvokeStatic(constantPool().lookupMethod(cpi, opcode), cpi, constantPool()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2323 case INVOKEINTERFACE: cpi = s.readCPI(); genInvokeInterface(constantPool().lookupMethod(cpi, opcode), cpi, constantPool()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2324 case NEW : genNewInstance(s.readCPI()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2325 case NEWARRAY : genNewTypeArray(s.readLocalIndex()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2326 case ANEWARRAY : genNewObjectArray(s.readCPI()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2327 case ARRAYLENGTH : genArrayLength(); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2328 case ATHROW : genThrow(s.currentBCI()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2329 case CHECKCAST : genCheckCast(); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2330 case INSTANCEOF : genInstanceOf(); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2331 case MONITORENTER : genMonitorEnter(apop(), s.currentBCI()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2332 case MONITOREXIT : genMonitorExit(apop(), s.currentBCI()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2333 case MULTIANEWARRAY : genNewMultiArray(s.readCPI()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2334 case IFNULL : genIfNull(Condition.EQ); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2335 case IFNONNULL : genIfNull(Condition.NE); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2336 case GOTO_W : genGoto(s.currentBCI(), s.readFarBranchDest()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2337 case JSR_W : genJsr(s.readFarBranchDest()); break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2338 case BREAKPOINT:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2339 throw new CiBailout("concurrent setting of breakpoint");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2340 default:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2341 throw new CiBailout("Unsupported opcode " + opcode + " (" + nameOf(opcode) + ") [bci=" + bci + "]");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2342 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2343 // Checkstyle: resume
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2344 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2345
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2346 private void traceInstruction(int bci, BytecodeStream s, int opcode, boolean blockStart) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2347 if (C1XOptions.TraceBytecodeParserLevel >= TRACELEVEL_INSTRUCTIONS && !TTY.isSuppressed()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2348 StringBuilder sb = new StringBuilder(40);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2349 sb.append(blockStart ? '+' : '\|');
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2350 if (bci < 10) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2351 sb.append(" ");
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2352 } else if (bci < 100) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2353 sb.append(' ');
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2354 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2355 sb.append(bci).append(": ").append(Bytecodes.nameOf(opcode));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2356 for (int i = bci + 1; i < s.nextBCI(); ++i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2357 sb.append(' ').append(s.readUByte(i));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2358 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2359 log.println(sb.toString());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2360 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2361 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2362
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2363 private void genArrayLength() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2364 FrameState stateBefore = curState.immutableCopy(bci());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2365 ipush(append(new ArrayLength(apop(), stateBefore)));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2366 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2367
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2368 void killMemoryMap() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2369 if (localValueMap != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2370 localValueMap.killAll();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2371 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2372 if (memoryMap != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2373 memoryMap.kill();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2374 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2375 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2376
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2377 boolean assumeLeafClass(RiType type) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2378 if (type.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2379 if (isFinal(type.accessFlags())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2380 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2381 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2382
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2383 if (C1XOptions.UseAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2384 RiType assumed = type.uniqueConcreteSubtype();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2385 if (assumed != null && assumed == type) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2386 if (C1XOptions.PrintAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2387 TTY.println("Recording leaf class assumption for " + type.name());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2388 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2389 compilation.assumptions.recordConcreteSubtype(type, assumed);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2390 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2391 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2392 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2393 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2394 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2395 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2396
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2397 RiMethod getAssumedLeafMethod(RiMethod method) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2398 if (method.isResolved()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2399 if (method.isLeafMethod()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2400 return method;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2401 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2402
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2403 if (C1XOptions.UseAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2404 RiMethod assumed = method.uniqueConcreteMethod();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2405 if (assumed != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2406 if (C1XOptions.PrintAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2407 TTY.println("Recording concrete method assumption in context of " + method.holder().name() + ": " + assumed.name());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2408 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2409 compilation.assumptions.recordConcreteMethod(method, assumed);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2410 return assumed;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2411 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2412 if (C1XOptions.PrintAssumptions) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2413 TTY.println("Did not find unique concrete method for " + method);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2414 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2415 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2416 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2417 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2418 return null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2419 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2420
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2421 private int recursiveInlineLevel(RiMethod target) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2422 int rec = 0;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2423 IRScope scope = scope();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2424 while (scope != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2425 if (scope.method != target) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2426 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2427 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2428 scope = scope.caller;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2429 rec++;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2430 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2431 return rec;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2432 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2433
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2434 private RiConstantPool constantPool() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2435 return scopeData.constantPool;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2436 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	2437 }

Mercurial > hg > graal-compiler

annotate graal/GraalCompiler/src/com/sun/c1x/graph/GraphBuilder.java @ 2515:4fdef1464592