truffle: graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java annotate

annotate graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2540:3fc322165071

More flags clean up.

author	Thomas Wuerthinger <thomas@wuerthinger.net>
date	Wed, 27 Apr 2011 20:27:43 +0200
parents	e1ba5a93e997
children	0f9eeb15e636

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.gen;
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 com.sun.cri.bytecode.Bytecodes.MemoryBarriers.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	27 import static com.sun.cri.ci.CiCallingConvention.Type.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	28 import static com.sun.cri.ci.CiValue.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	29
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	30 import java.lang.reflect.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	31 import java.util.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	32
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	33 import com.sun.c1x.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	34 import com.sun.c1x.alloc.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	35 import com.sun.c1x.alloc.OperandPool.VariableFlag;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	36 import com.sun.c1x.asm.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	37 import com.sun.c1x.debug.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	38 import com.sun.c1x.globalstub.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	39 import com.sun.c1x.graph.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	40 import com.sun.c1x.ir.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	41 import com.sun.c1x.lir.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	42 import com.sun.c1x.opt.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	43 import com.sun.c1x.util.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	44 import com.sun.c1x.value.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	45 import com.sun.c1x.value.FrameState.PhiProcedure;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	46 import com.sun.cri.bytecode.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	47 import com.sun.cri.bytecode.Bytecodes.MemoryBarriers;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	48 import com.sun.cri.ci.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	49 import com.sun.cri.ri.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	50 import com.sun.cri.xir.CiXirAssembler.XirConstant;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	51 import com.sun.cri.xir.CiXirAssembler.XirInstruction;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	52 import com.sun.cri.xir.CiXirAssembler.XirOperand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	53 import com.sun.cri.xir.CiXirAssembler.XirParameter;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	54 import com.sun.cri.xir.CiXirAssembler.XirRegister;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	55 import com.sun.cri.xir.CiXirAssembler.XirTemp;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	56 import com.sun.cri.xir.*;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	57
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 * This class traverses the HIR instructions and generates LIR instructions from them.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	60 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	61 * @author Thomas Wuerthinger
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	62 * @author Ben L. Titzer
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	63 * @author Marcelo Cintra
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	64 * @author Doug Simon
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	65 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	66 public abstract class LIRGenerator extends ValueVisitor {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	67
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 * Helper class for inserting memory barriers as necessary to implement the Java Memory Model
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	70 * with respect to volatile field accesses.
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 * @see MemoryBarriers
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 class VolatileMemoryAccess {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	75 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	76 * Inserts any necessary memory barriers before a volatile write as required by the JMM.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	77 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	78 void preVolatileWrite() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	79 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_WRITE);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	80 if (compilation.target.isMP && barriers != 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	81 lir.membar(barriers);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	82 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	83 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	84
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 * Inserts any necessary memory barriers after a volatile write as required by the JMM.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	87 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	88 void postVolatileWrite() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	89 int barriers = compilation.target.arch.requiredBarriers(JMM_POST_VOLATILE_WRITE);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	90 if (compilation.target.isMP && barriers != 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	91 lir.membar(barriers);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	92 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	93 }
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 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	96 * Inserts any necessary memory barriers before a volatile read as required by the JMM.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	97 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	98 void preVolatileRead() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	99 int barriers = compilation.target.arch.requiredBarriers(JMM_PRE_VOLATILE_READ);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	100 if (compilation.target.isMP && barriers != 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	101 lir.membar(barriers);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	102 }
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 * Inserts any necessary memory barriers after a volatile read as required by the JMM.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	107 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	108 void postVolatileRead() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	109 // Ensure field's data is loaded before any subsequent loads or stores.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	110 int barriers = compilation.target.arch.requiredBarriers(LOAD_LOAD \| LOAD_STORE);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	111 if (compilation.target.isMP && barriers != 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	112 lir.membar(barriers);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	113 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	114 }
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 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	118 * Forces the result of a given instruction to be available in a given register,
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	119 * inserting move instructions if necessary.
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 * @param instruction an instruction that produces a {@linkplain Value#operand() result}
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	122 * @param register the {@linkplain CiRegister} in which the result of {@code instruction} must be available
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	123 * @return {@code register} as an operand
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	124 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	125 protected CiValue force(Value instruction, CiRegister register) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	126 return force(instruction, register.asValue(instruction.kind));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	127 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	128
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 * Forces the result of a given instruction to be available in a given operand,
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	131 * inserting move instructions if necessary.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	132 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	133 * @param instruction an instruction that produces a {@linkplain Value#operand() result}
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	134 * @param operand the operand in which the result of {@code instruction} must be available
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	135 * @return {@code operand}
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	136 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	137 protected CiValue force(Value instruction, CiValue operand) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	138 CiValue result = makeOperand(instruction);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	139 if (result != operand) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	140 assert result.kind != CiKind.Illegal;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	141 if (!compilation.archKindsEqual(result.kind, operand.kind)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	142 // moves between different types need an intervening spill slot
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	143 CiValue tmp = forceToSpill(result, operand.kind, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	144 lir.move(tmp, operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	145 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	146 lir.move(result, operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	147 }
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 return operand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	150 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	151
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	152 protected CiValue load(Value val) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	153 CiValue result = makeOperand(val);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	154 if (!result.isVariableOrRegister()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	155 CiVariable operand = newVariable(val.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	156 lir.move(result, operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	157 return operand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	158 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	159 return result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	160 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	161
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	162 // the range of values in a lookupswitch or tableswitch statement
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	163 private static final class SwitchRange {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	164 final int lowKey;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	165 int highKey;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	166 final BlockBegin sux;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	167
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	168 SwitchRange(int lowKey, BlockBegin sux) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	169 this.lowKey = lowKey;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	170 this.highKey = lowKey;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	171 this.sux = sux;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	172 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	173 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	174
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	175 protected final C1XCompilation compilation;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	176 protected final IR ir;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	177 protected final XirSupport xirSupport;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	178 protected final RiXirGenerator xir;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	179 protected final boolean isTwoOperand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	180
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	181 private BlockBegin currentBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	182
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	183 public final OperandPool operands;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	184
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	185 private Value currentInstruction;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	186 private Value lastInstructionPrinted; // Debugging only
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	187
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	188 private List<CiConstant> constants;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	189 private List<CiVariable> variablesForConstants;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	190 protected LIRList lir;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	191 final VolatileMemoryAccess vma;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	192 private ArrayList<DeoptimizationStub> deoptimizationStubs;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	193
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	194 public LIRGenerator(C1XCompilation compilation) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	195 this.compilation = compilation;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	196 this.ir = compilation.hir();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	197 this.xir = compilation.compiler.xir;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	198 this.xirSupport = new XirSupport();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	199 this.isTwoOperand = compilation.target.arch.twoOperandMode();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	200 this.vma = new VolatileMemoryAccess();
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 constants = new ArrayList<CiConstant>();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	203 variablesForConstants = new ArrayList<CiVariable>();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	204
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	205 this.operands = new OperandPool(compilation.target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	206
2532 3fca504f28ba Reinsert phi simplifier (does not seem to be optional). Disabled canonicalizer. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2522 diff changeset	207 new PhiSimplifier(ir);
3fca504f28ba Reinsert phi simplifier (does not seem to be optional). Disabled canonicalizer. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2522 diff changeset	208
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	209 // mark the liveness of all instructions if it hasn't already been done by the optimizer
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	210 LivenessMarker livenessMarker = new LivenessMarker(ir);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	211 C1XMetrics.LiveHIRInstructions += livenessMarker.liveCount();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	212 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	213
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	214 public ArrayList<DeoptimizationStub> deoptimizationStubs() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	215 return deoptimizationStubs;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	216 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	217
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	218 public static class DeoptimizationStub {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	219 public final Label label = new Label();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	220 public final LIRDebugInfo info;
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 public DeoptimizationStub(FrameState state) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	223 info = new LIRDebugInfo(state, null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	224 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	225 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	226
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	227 public void doBlock(BlockBegin block) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	228 blockDoProlog(block);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	229 this.currentBlock = block;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	230
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	231 for (Instruction instr = block; instr != null; instr = instr.next()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	232 if (instr.isLive()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	233 walkState(instr, instr.stateBefore());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	234 doRoot(instr);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	238 this.currentBlock = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	239 blockDoEpilog(block);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	240 }
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 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	243 public void visitArrayLength(ArrayLength x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	244 emitArrayLength(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	245 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	246
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	247 public CiValue emitArrayLength(ArrayLength x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	248 XirArgument array = toXirArgument(x.array());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	249 XirSnippet snippet = xir.genArrayLength(site(x), array);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	250 emitXir(snippet, x, x.needsNullCheck() ? stateFor(x) : null, null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	251 return x.operand();
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	254 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	255 public void visitBase(Base x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	256 // emit phi-instruction move after safepoint since this simplifies
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	257 // describing the state at the safepoint.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	258 moveToPhi(x.stateAfter());
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 // all blocks with a successor must end with an unconditional jump
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	261 // to the successor even if they are consecutive
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	262 lir.jump(x.defaultSuccessor());
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 setOperandsForLocals(FrameState state) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	266 CiCallingConvention args = compilation.frameMap().incomingArguments();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	267 int javaIndex = 0;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	268 for (int i = 0; i < args.locations.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	269 CiValue src = args.locations[i];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	270 assert src.isLegal() : "check";
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 CiVariable dest = newVariable(src.kind.stackKind());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	273 lir.move(src, dest, src.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	274
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	275 // Assign new location to Local instruction for this local
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	276 Value instr = state.localAt(javaIndex);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	277 Local local = ((Local) instr);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	278 CiKind kind = src.kind.stackKind();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	279 assert kind == local.kind.stackKind() : "local type check failed";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	280 if (local.isLive()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	281 setResult(local, dest);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	282 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	283 javaIndex += kind.jvmSlots;
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 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	286
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	287 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	288 public void visitResolveClass(ResolveClass i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	289 LIRDebugInfo info = stateFor(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	290 XirSnippet snippet = xir.genResolveClass(site(i), i.type, i.portion);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	291 emitXir(snippet, i, info, null, true);
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 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	295 public void visitCheckCast(CheckCast x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	296 XirArgument obj = toXirArgument(x.object());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	297 XirSnippet snippet = xir.genCheckCast(site(x), obj, toXirArgument(x.targetClassInstruction), x.targetClass());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	298 emitXir(snippet, x, stateFor(x), null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	299 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	300
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	301 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	302 public void visitInstanceOf(InstanceOf x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	303 XirArgument obj = toXirArgument(x.object());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	304 XirSnippet snippet = xir.genInstanceOf(site(x), obj, toXirArgument(x.targetClassInstruction), x.targetClass());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	305 emitXir(snippet, x, maybeStateFor(x), null, true);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	308 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	309 public void visitMonitorEnter(MonitorEnter x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	310 XirArgument obj = toXirArgument(x.object());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	311 XirArgument lockAddress = toXirArgument(x.lockAddress());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	312 XirSnippet snippet = xir.genMonitorEnter(site(x), obj, lockAddress);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	313 emitXir(snippet, x, maybeStateFor(x), stateFor(x, x.stateAfter()), null, true, null);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	316 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	317 public void visitMonitorExit(MonitorExit x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	318 XirArgument obj = toXirArgument(x.object());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	319 XirArgument lockAddress = toXirArgument(x.lockAddress());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	320 XirSnippet snippet = xir.genMonitorExit(site(x), obj, lockAddress);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	321 emitXir(snippet, x, maybeStateFor(x), null, true);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	324 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	325 public void visitStoreIndexed(StoreIndexed x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	326 XirArgument array = toXirArgument(x.array());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	327 XirArgument length = x.length() == null ? null : toXirArgument(x.length());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	328 XirArgument index = toXirArgument(x.index());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	329 XirArgument value = toXirArgument(x.value());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	330 XirSnippet snippet = xir.genArrayStore(site(x), array, index, length, value, x.elementKind(), null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	331 emitXir(snippet, x, maybeStateFor(x), null, true);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	334 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	335 public void visitNewInstance(NewInstance x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	336 XirSnippet snippet = xir.genNewInstance(site(x), x.instanceClass());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	337 emitXir(snippet, x, stateFor(x), null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	338 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	339
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	340 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	341 public void visitNewTypeArray(NewTypeArray x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	342 XirArgument length = toXirArgument(x.length());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	343 XirSnippet snippet = xir.genNewArray(site(x), length, x.elementKind(), null, null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	344 emitXir(snippet, x, stateFor(x), null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	345 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	346
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	347 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	348 public void visitNewObjectArray(NewObjectArray x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	349 XirArgument length = toXirArgument(x.length());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	350 XirSnippet snippet = xir.genNewArray(site(x), length, CiKind.Object, x.elementClass(), x.exactType());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	351 emitXir(snippet, x, stateFor(x), null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	352 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	353
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	354 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	355 public void visitNewMultiArray(NewMultiArray x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	356 XirArgument[] dims = new XirArgument[x.dimensions().length];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	357
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	358 for (int i = 0; i < dims.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	359 dims[i] = toXirArgument(x.dimensions()[i]);
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 XirSnippet snippet = xir.genNewMultiArray(site(x), dims, x.elementKind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	363 emitXir(snippet, x, stateFor(x), null, true);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	366 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	367 public void visitConstant(Constant x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	368 if (canInlineAsConstant(x)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	369 //setResult(x, loadConstant(x));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	370 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	371 CiValue res = x.operand();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	372 if (!(res.isLegal())) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	373 res = x.asConstant();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	374 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	375 if (res.isConstant()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	376 if (isUsedForValue(x)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	377 CiVariable reg = createResultVariable(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	378 lir.move(res, reg);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	379 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	380 assert x.checkFlag(Value.Flag.LiveDeopt);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	381 x.setOperand(res);
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 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	384 setResult(x, (CiVariable) res);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	385 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	386 }
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 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	390 public void visitExceptionObject(ExceptionObject x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	391 assert currentBlock.isExceptionEntry() : "ExceptionObject only allowed in exception handler block";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	392 assert currentBlock.next() == x : "ExceptionObject must be first instruction of block";
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 // no moves are created for phi functions at the begin of exception
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	395 // handlers, so assign operands manually here
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	396 currentBlock.stateBefore().forEachLivePhi(currentBlock, new PhiProcedure() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	397 public boolean doPhi(Phi phi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	398 operandForPhi(phi);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	399 return true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	400 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	401 });
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	402
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	403 XirSnippet snippet = xir.genExceptionObject(site(x));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	404 emitXir(snippet, x, maybeStateFor(x), null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	405 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	406
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	407 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	408 public void visitGoto(Goto x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	409 setNoResult(x);
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 // emit phi-instruction moves after safepoint since this simplifies
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	412 // describing the state at the safepoint.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	413 moveToPhi(x.stateAfter());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	414
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	415 lir.jump(x.defaultSuccessor());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	416 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	417
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	418 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	419 public void visitIfOp(IfOp i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	420 Value x = i.x();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	421 Value y = i.y();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	422 CiKind xtype = x.kind;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	423 CiKind ttype = i.trueValue().kind;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	424 assert xtype.isInt() \|\| xtype.isObject() : "cannot handle others";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	425 assert ttype.isInt() \|\| ttype.isObject() \|\| ttype.isLong() \|\| ttype.isWord() : "cannot handle others";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	426 assert ttype.equals(i.falseValue().kind) : "cannot handle others";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	427
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	428 CiValue left = load(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	429 CiValue right = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	430 if (!canInlineAsConstant(y)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	431 right = load(y);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	432 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	433 right = makeOperand(y);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	436 CiValue tVal = makeOperand(i.trueValue());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	437 CiValue fVal = makeOperand(i.falseValue());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	438 CiValue reg = createResultVariable(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	439
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	440 lir.cmp(i.condition(), left, right);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	441 lir.cmove(i.condition(), tVal, fVal, reg);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	442 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	443
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	444 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	445 public void visitInvoke(Invoke x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	446 RiMethod target = x.target();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	447 LIRDebugInfo info = stateFor(x, x.stateBefore());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	448
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	449 XirSnippet snippet = null;
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 int opcode = x.opcode();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	452 XirArgument receiver;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	453 switch (opcode) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	454 case INVOKESTATIC:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	455 snippet = xir.genInvokeStatic(site(x), target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	456 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	457 case INVOKESPECIAL:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	458 receiver = toXirArgument(x.receiver());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	459 snippet = xir.genInvokeSpecial(site(x), receiver, target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	460 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	461 case INVOKEVIRTUAL:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	462 receiver = toXirArgument(x.receiver());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	463 snippet = xir.genInvokeVirtual(site(x), receiver, target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	464 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	465 case INVOKEINTERFACE:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	466 receiver = toXirArgument(x.receiver());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	467 snippet = xir.genInvokeInterface(site(x), receiver, target);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	468 break;
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 CiValue destinationAddress = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	472 // emitting the template earlier can ease pressure on register allocation, but the argument loading can destroy an
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	473 // implicit calling convention between the XirSnippet and the call.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	474 if (!C1XOptions.InvokeSnippetAfterArguments) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	475 destinationAddress = emitXir(snippet, x, info.copy(), x.target(), false);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	478 CiValue resultOperand = resultOperandFor(x.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	479 CiCallingConvention cc = compilation.frameMap().getCallingConvention(x.signature(), JavaCall);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	480 List<CiValue> pointerSlots = new ArrayList<CiValue>(2);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	481 List<CiValue> argList = visitInvokeArguments(cc, x.arguments(), pointerSlots);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	482
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	483 if (C1XOptions.InvokeSnippetAfterArguments) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	484 destinationAddress = emitXir(snippet, x, info.copy(), null, x.target(), false, pointerSlots);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	485 }
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 // emit direct or indirect call to the destination address
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	488 if (destinationAddress instanceof CiConstant) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	489 // Direct call
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	490 assert ((CiConstant) destinationAddress).isDefaultValue() : "destination address should be zero";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	491 lir.callDirect(target, resultOperand, argList, info, snippet.marks, pointerSlots);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	492 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	493 // Indirect call
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	494 argList.add(destinationAddress);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	495 lir.callIndirect(target, resultOperand, argList, info, snippet.marks, pointerSlots);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	496 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	497
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	498 if (resultOperand.isLegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	499 CiValue result = createResultVariable(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	500 lir.move(resultOperand, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	501 }
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	504 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	505 public void visitMonitorAddress(MonitorAddress x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	506 CiValue result = createResultVariable(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	507 lir.monitorAddress(x.monitor(), result);
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 * For note on volatile fields, see {@link #visitStoreField(StoreField)}.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	512 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	513 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	514 public void visitLoadField(LoadField x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	515 RiField field = x.field();
2540 3fc322165071 More flags clean up. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2538 diff changeset	516 boolean needsPatching = !x.isLoaded();
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	517 LIRDebugInfo info = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	518 if (needsPatching \|\| x.needsNullCheck()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	519 info = stateFor(x, x.stateBefore());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	520 assert info != null;
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 XirArgument receiver = toXirArgument(x.object());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	524 XirSnippet snippet = x.isStatic() ? xir.genGetStatic(site(x), receiver, field) : xir.genGetField(site(x), receiver, field);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	525 emitXir(snippet, x, info, null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	526
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	527 if (x.isVolatile()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	528 vma.postVolatileRead();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	529 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	530 }
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 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	533 public void visitLoadIndexed(LoadIndexed x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	534 XirArgument array = toXirArgument(x.array());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	535 XirArgument index = toXirArgument(x.index());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	536 XirArgument length = toXirArgument(x.length());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	537 XirSnippet snippet = xir.genArrayLoad(site(x), array, index, length, x.elementKind(), null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	538 emitXir(snippet, x, maybeStateFor(x), null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	539 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	540
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	541 protected GlobalStub stubFor(CiRuntimeCall runtimeCall) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	542 GlobalStub stub = compilation.compiler.lookupGlobalStub(runtimeCall);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	543 compilation.frameMap().usesGlobalStub(stub);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	544 return stub;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	545 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	546
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	547 protected GlobalStub stubFor(GlobalStub.Id globalStub) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	548 GlobalStub stub = compilation.compiler.lookupGlobalStub(globalStub);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	549 compilation.frameMap().usesGlobalStub(stub);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	550 return stub;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	551 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	552
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	553 protected GlobalStub stubFor(XirTemplate template) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	554 GlobalStub stub = compilation.compiler.lookupGlobalStub(template);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	555 compilation.frameMap().usesGlobalStub(stub);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	556 return stub;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	557 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	558
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	559 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	560 public void visitLocal(Local x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	561 if (x.operand().isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	562 createResultVariable(x);
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 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	565
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	566 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	567 public void visitLookupSwitch(LookupSwitch x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	568 CiValue tag = load(x.value());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	569 setNoResult(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	570
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	571 if (x.isSafepoint()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	572 emitXir(xir.genSafepoint(site(x)), x, stateFor(x, x.stateAfter()), null, false);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	575 // move values into phi locations
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	576 moveToPhi(x.stateAfter());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	577
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	578 if (x.numberOfCases() == 0 \|\| x.numberOfCases() < C1XOptions.SequentialSwitchLimit) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	579 int len = x.numberOfCases();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	580 for (int i = 0; i < len; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	581 lir.cmp(Condition.EQ, tag, x.keyAt(i));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	582 lir.branch(Condition.EQ, CiKind.Int, x.suxAt(i));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	583 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	584 lir.jump(x.defaultSuccessor());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	585 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	586 visitSwitchRanges(createLookupRanges(x), tag, x.defaultSuccessor());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	587 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	588 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	589
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	590 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	591 public void visitNullCheck(NullCheck x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	592 // TODO: this is suboptimal because it may result in an unnecessary move
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	593 CiValue value = load(x.object());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	594 if (x.canTrap()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	595 LIRDebugInfo info = stateFor(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	596 lir.nullCheck(value, info);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	597 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	598 x.setOperand(value);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	599 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	600
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	601 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	602 public void visitPhi(Phi i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	603 Util.shouldNotReachHere();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	604 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	605
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	606 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	607 public void visitReturn(Return x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	608 if (x.kind.isVoid()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	609 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	610 if (epilogue != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	611 emitXir(epilogue, x, stateFor(x, x.stateAfter()), compilation.method, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	612 lir.returnOp(IllegalValue);
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 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	615 CiValue operand = resultOperandFor(x.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	616 CiValue result = force(x.result(), operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	617 XirSnippet epilogue = xir.genEpilogue(site(x), compilation.method);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	618 if (epilogue != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	619 emitXir(epilogue, x, stateFor(x, x.stateAfter()), compilation.method, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	620 lir.returnOp(result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	621 }
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 setNoResult(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	624 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	625
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	626 protected XirArgument toXirArgument(CiValue v) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	627 if (v == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	628 return null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	629 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	630
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	631 return XirArgument.forInternalObject(v);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	632 }
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 protected XirArgument toXirArgument(Value i) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	635 if (i == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	636 return null;
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 return XirArgument.forInternalObject(new LIRItem(i, this));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	640 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	641
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	642 private CiValue allocateOperand(XirSnippet snippet, XirOperand op) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	643 if (op instanceof XirParameter) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	644 XirParameter param = (XirParameter) op;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	645 return allocateOperand(snippet.arguments[param.parameterIndex], op, param.canBeConstant);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	646 } else if (op instanceof XirRegister) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	647 XirRegister reg = (XirRegister) op;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	648 return reg.register;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	649 } else if (op instanceof XirTemp) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	650 return newVariable(op.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	651 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	652 Util.shouldNotReachHere();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	653 return null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	654 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	655 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	656
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	657 private CiValue allocateOperand(XirArgument arg, XirOperand var, boolean canBeConstant) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	658 if (arg.constant != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	659 return arg.constant;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	660 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	661 assert arg.object != null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	662 if (arg.object instanceof CiValue) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	663 return (CiValue) arg.object;
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 assert arg.object instanceof LIRItem;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	666 LIRItem item = (LIRItem) arg.object;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	667 if (canBeConstant) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	668 return item.instruction.operand();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	669 } else {
2537 4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	670 CiKind kind = var.kind;
4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	671 if (kind == CiKind.Byte \|\| kind == CiKind.Boolean) {
4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	672 item.loadByteItem();
4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	673 } else {
4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	674 item.loadItem();
4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	675 }
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	676 return item.result();
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 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	680
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	681 protected CiValue emitXir(XirSnippet snippet, Instruction x, LIRDebugInfo info, RiMethod method, boolean setInstructionResult) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	682 return emitXir(snippet, x, info, null, method, setInstructionResult, null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	683 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	684
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	685 protected CiValue emitXir(XirSnippet snippet, Instruction instruction, LIRDebugInfo info, LIRDebugInfo infoAfter, RiMethod method, boolean setInstructionResult, List<CiValue> pointerSlots) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	686 if (C1XOptions.PrintXirTemplates) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	687 TTY.println("Emit XIR template " + snippet.template.name);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	688 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	689
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	690 final CiValue[] operands = new CiValue[snippet.template.variableCount];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	691
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	692 compilation.frameMap().reserveOutgoing(snippet.template.outgoingStackSize);
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 XirOperand resultOperand = snippet.template.resultOperand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	695
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	696 if (snippet.template.allocateResultOperand) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	697 CiValue outputOperand = IllegalValue;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	698 // This snippet has a result that must be separately allocated
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	699 // Otherwise it is assumed that the result is part of the inputs
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	700 if (resultOperand.kind != CiKind.Void && resultOperand.kind != CiKind.Illegal) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	701 if (setInstructionResult) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	702 outputOperand = newVariable(instruction.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	703 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	704 outputOperand = newVariable(resultOperand.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	705 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	706 assert operands[resultOperand.index] == null;
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 operands[resultOperand.index] = outputOperand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	709 if (C1XOptions.PrintXirTemplates) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	710 TTY.println("Output operand: " + outputOperand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	711 }
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 for (XirTemp t : snippet.template.temps) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	715 if (t instanceof XirRegister) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	716 XirRegister reg = (XirRegister) t;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	717 if (!t.reserve) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	718 operands[t.index] = reg.register;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	719 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	720 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	721 }
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 for (XirTemplate calleeTemplate : snippet.template.calleeTemplates) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	724 // TODO Save these for use in X86LIRAssembler
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	725 stubFor(calleeTemplate);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	726 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	727
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	728 for (XirConstant c : snippet.template.constants) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	729 assert operands[c.index] == null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	730 operands[c.index] = c.value;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	731 }
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 XirOperand[] inputOperands = snippet.template.inputOperands;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	734 XirOperand[] inputTempOperands = snippet.template.inputTempOperands;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	735 XirOperand[] tempOperands = snippet.template.tempOperands;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	736
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	737 CiValue[] operandArray = new CiValue[inputOperands.length + inputTempOperands.length + tempOperands.length];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	738 int[] operandIndicesArray = new int[inputOperands.length + inputTempOperands.length + tempOperands.length];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	739 for (int i = 0; i < inputOperands.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	740 XirOperand x = inputOperands[i];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	741 CiValue op = allocateOperand(snippet, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	742 operands[x.index] = op;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	743 operandArray[i] = op;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	744 operandIndicesArray[i] = x.index;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	745 if (C1XOptions.PrintXirTemplates) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	746 TTY.println("Input operand: " + x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	747 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	748 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	749
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	750 for (int i = 0; i < inputTempOperands.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	751 XirOperand x = inputTempOperands[i];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	752 CiValue op = allocateOperand(snippet, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	753 CiValue newOp = newVariable(op.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	754 lir.move(op, newOp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	755 operands[x.index] = newOp;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	756 operandArray[i + inputOperands.length] = newOp;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	757 operandIndicesArray[i + inputOperands.length] = x.index;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	758 if (C1XOptions.PrintXirTemplates) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	759 TTY.println("InputTemp operand: " + x);
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 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	762
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	763 for (int i = 0; i < tempOperands.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	764 XirOperand x = tempOperands[i];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	765 CiValue op = allocateOperand(snippet, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	766 operands[x.index] = op;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	767 operandArray[i + inputOperands.length + inputTempOperands.length] = op;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	768 operandIndicesArray[i + inputOperands.length + inputTempOperands.length] = x.index;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	769 if (C1XOptions.PrintXirTemplates) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	770 TTY.println("Temp operand: " + x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	771 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	772 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	773
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	774 for (CiValue operand : operands) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	775 assert operand != null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	776 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	777
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	778 CiValue allocatedResultOperand = operands[resultOperand.index];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	779 if (!allocatedResultOperand.isVariableOrRegister()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	780 allocatedResultOperand = IllegalValue;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	781 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	782
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	783 if (setInstructionResult && allocatedResultOperand.isLegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	784 if (instruction.operand().isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	785 setResult(instruction, (CiVariable) allocatedResultOperand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	786 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	787 assert instruction.operand() == allocatedResultOperand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	788 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	789 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	790
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	791
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	792 XirInstruction[] slowPath = snippet.template.slowPath;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	793 if (!operands[resultOperand.index].isConstant() \|\| snippet.template.fastPath.length != 0 \|\| (slowPath != null && slowPath.length > 0)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	794 // XIR instruction is only needed when the operand is not a constant!
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	795 lir.xir(snippet, operands, allocatedResultOperand, inputTempOperands.length, tempOperands.length,
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	796 operandArray, operandIndicesArray,
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	797 (operands[resultOperand.index] == IllegalValue) ? -1 : resultOperand.index,
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	798 info, infoAfter, method, pointerSlots);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	799 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	800
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	801 return operands[resultOperand.index];
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	804 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	805 public void visitStoreField(StoreField x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	806 RiField field = x.field();
2540 3fc322165071 More flags clean up. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2538 diff changeset	807 boolean needsPatching = !x.isLoaded();
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	808
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	809 LIRDebugInfo info = null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	810 if (needsPatching \|\| x.needsNullCheck()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	811 info = stateFor(x, x.stateBefore());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	812 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	813
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	814 if (x.isVolatile()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	815 vma.preVolatileWrite();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	816 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	817
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	818 XirArgument receiver = toXirArgument(x.object());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	819 XirArgument value = toXirArgument(x.value());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	820 XirSnippet snippet = x.isStatic() ? xir.genPutStatic(site(x), receiver, field, value) : xir.genPutField(site(x), receiver, field, value);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	821 emitXir(snippet, x, info, null, true);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	822
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	823 if (x.isVolatile()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	824 vma.postVolatileWrite();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	825 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	826 }
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 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	829 public void visitTableSwitch(TableSwitch x) {
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 LIRItem value = new LIRItem(x.value(), this);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	832 // Making a copy of the switch value is necessary when generating a jump table
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	833 value.setDestroysRegister();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	834 value.loadItem();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	835
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	836 CiValue tag = value.result();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	837 setNoResult(x);
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 if (x.isSafepoint()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	840 emitXir(xir.genSafepoint(site(x)), x, stateFor(x, x.stateAfter()), null, false);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	843 // move values into phi locations
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	844 moveToPhi(x.stateAfter());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	845
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	846 // TODO: tune the defaults for the controls used to determine what kind of translation to use
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	847 if (x.numberOfCases() == 0 \|\| x.numberOfCases() <= C1XOptions.SequentialSwitchLimit) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	848 int loKey = x.lowKey();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	849 int len = x.numberOfCases();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	850 for (int i = 0; i < len; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	851 lir.cmp(Condition.EQ, tag, i + loKey);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	852 lir.branch(Condition.EQ, CiKind.Int, x.suxAt(i));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	853 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	854 lir.jump(x.defaultSuccessor());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	855 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	856 SwitchRange[] switchRanges = createLookupRanges(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	857 int rangeDensity = x.numberOfCases() / switchRanges.length;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	858 if (rangeDensity >= C1XOptions.RangeTestsSwitchDensity) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	859 visitSwitchRanges(switchRanges, tag, x.defaultSuccessor());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	860 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	861 List<BlockBegin> nonDefaultSuccessors = x.successors().subList(0, x.numberOfCases());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	862 BlockBegin[] targets = nonDefaultSuccessors.toArray(new BlockBegin[nonDefaultSuccessors.size()]);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	863 lir.tableswitch(tag, x.lowKey(), x.defaultSuccessor(), targets);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	864 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	865 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	866 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	867
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	868 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	869 public void visitThrow(Throw x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	870 setNoResult(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	871 CiValue exceptionOpr = load(x.exception());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	872 LIRDebugInfo info = stateFor(x, x.stateAfter());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	873
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	874 // check if the instruction has an xhandler in any of the nested scopes
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	875 boolean unwind = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	876 if (x.exceptionHandlers().size() == 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	877 // this throw is not inside an xhandler
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	878 unwind = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	879 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	880 // get some idea of the throw type
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	881 boolean typeIsExact = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	882 RiType throwType = x.exception().exactType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	883 if (throwType == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	884 typeIsExact = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	885 throwType = x.exception().declaredType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	886 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	887 if (throwType != null && throwType.isResolved() && throwType.isInstanceClass()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	888 unwind = !ExceptionHandler.couldCatch(x.exceptionHandlers(), throwType, typeIsExact);
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 assert !currentBlock.checkBlockFlag(BlockBegin.BlockFlag.DefaultExceptionHandler) \|\| unwind : "should be no more handlers to dispatch to";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	893
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	894 // move exception oop into fixed register
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	895 CiCallingConvention callingConvention = compilation.frameMap().getCallingConvention(new CiKind[]{CiKind.Object}, RuntimeCall);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	896 CiValue argumentOperand = callingConvention.locations[0];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	897 lir.move(exceptionOpr, argumentOperand);
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 if (unwind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	900 lir.unwindException(exceptionPcOpr(), exceptionOpr, info);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	901 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	902 lir.throwException(exceptionPcOpr(), argumentOperand, info);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	903 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	904 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	905
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	906 private void blockDoEpilog(BlockBegin block) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	907 if (C1XOptions.PrintIRWithLIR) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	908 TTY.println();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	909 }
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 // clear out variables for local constants
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	912 constants.clear();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	913 variablesForConstants.clear();
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	916 private void blockDoProlog(BlockBegin block) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	917 if (C1XOptions.PrintIRWithLIR) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	918 TTY.print(block.toString());
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 // set up the list of LIR instructions
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	921 assert block.lir() == null : "LIR list already computed for this block";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	922 lir = new LIRList(this);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	923 block.setLir(lir);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	924
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	925 lir.branchDestination(block.label());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	926 if (block == ir.startBlock) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	927 XirSnippet prologue = xir.genPrologue(null, compilation.method);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	928 if (prologue != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	929 emitXir(prologue, null, null, null, false);
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 setOperandsForLocals(block.end().stateAfter());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	932 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	933 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	934
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	935 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	936 * Copies a given value into an operand that is forced to be a stack location.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	937 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	938 * @param value a value to be forced onto the stack
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	939 * @param kind the kind of new operand
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	940 * @param mustStayOnStack specifies if the new operand must never be allocated to a register
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	941 * @return the operand that is guaranteed to be a stack location when it is
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	942 * initially defined a by move from {@code value}
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	943 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	944 CiValue forceToSpill(CiValue value, CiKind kind, boolean mustStayOnStack) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	945 assert value.isLegal() : "value should not be illegal";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	946 assert kind.jvmSlots == value.kind.jvmSlots : "size mismatch";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	947 if (!value.isVariableOrRegister()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	948 // force into a variable that must start in memory
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	949 CiValue operand = operands.newVariable(value.kind, mustStayOnStack ? VariableFlag.MustStayInMemory : VariableFlag.MustStartInMemory);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	950 lir.move(value, operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	951 return operand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	952 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	953
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	954 // create a spill location
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	955 CiValue operand = operands.newVariable(kind, mustStayOnStack ? VariableFlag.MustStayInMemory : VariableFlag.MustStartInMemory);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	956 // move from register to spill
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	957 lir.move(value, operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	958 return operand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	959 }
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 private CiVariable loadConstant(Constant x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	962 return loadConstant(x.asConstant(), x.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	963 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	964
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	965 protected CiVariable loadConstant(CiConstant c, CiKind kind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	966 // XXX: linear search might be kind of slow for big basic blocks
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	967 int index = constants.indexOf(c);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	968 if (index != -1) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	969 C1XMetrics.LoadConstantIterations += index;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	970 return variablesForConstants.get(index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	971 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	972 C1XMetrics.LoadConstantIterations += constants.size();
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 CiVariable result = newVariable(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	975 lir.move(c, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	976 constants.add(c);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	977 variablesForConstants.add(result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	978 return result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	979 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	980
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 * Allocates a variable operand to hold the result of a given instruction.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	983 * This can only be performed once for any given instruction.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	984 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	985 * @param x an instruction that produces a result
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	986 * @return the variable assigned to hold the result produced by {@code x}
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 protected CiVariable createResultVariable(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	989 CiVariable operand = newVariable(x.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	990 setResult(x, operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	991 return operand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	992 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	993
2519 f6125fb5bfbc Removed intrinsics. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2515 diff changeset	994 @Override
f6125fb5bfbc Removed intrinsics. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2515 diff changeset	995 public void visitRegisterFinalizer(RegisterFinalizer x) {
f6125fb5bfbc Removed intrinsics. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2515 diff changeset	996 CiValue receiver = load(x.object());
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	997 LIRDebugInfo info = stateFor(x, x.stateBefore());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	998 callRuntime(CiRuntimeCall.RegisterFinalizer, info, receiver);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	999 setNoResult(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1000 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1001
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1002 private void visitSwitchRanges(SwitchRange[] x, CiValue value, BlockBegin defaultSux) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1003 for (int i = 0; i < x.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1004 SwitchRange oneRange = x[i];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1005 int lowKey = oneRange.lowKey;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1006 int highKey = oneRange.highKey;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1007 BlockBegin dest = oneRange.sux;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1008 if (lowKey == highKey) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1009 lir.cmp(Condition.EQ, value, lowKey);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1010 lir.branch(Condition.EQ, CiKind.Int, dest);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1011 } else if (highKey - lowKey == 1) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1012 lir.cmp(Condition.EQ, value, lowKey);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1013 lir.branch(Condition.EQ, CiKind.Int, dest);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1014 lir.cmp(Condition.EQ, value, highKey);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1015 lir.branch(Condition.EQ, CiKind.Int, dest);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1016 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1017 Label l = new Label();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1018 lir.cmp(Condition.LT, value, lowKey);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1019 lir.branch(Condition.LT, l);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1020 lir.cmp(Condition.LE, value, highKey);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1021 lir.branch(Condition.LE, CiKind.Int, dest);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1022 lir.branchDestination(l);
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 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1025 lir.jump(defaultSux);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1028 protected void arithmeticOpFpu(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1029 CiValue leftOp = left;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1030
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1031 if (isTwoOperand && leftOp != result) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1032 assert right != result : "malformed";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1033 lir.move(leftOp, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1034 leftOp = result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1035 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1036
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1037 switch (code) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1038 case DADD:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1039 case FADD:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1040 lir.add(leftOp, right, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1041 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1042 case FMUL:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1043 case DMUL:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1044 lir.mul(leftOp, right, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1045 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1046 case DSUB:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1047 case FSUB:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1048 lir.sub(leftOp, right, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1049 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1050 case FDIV:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1051 case DDIV:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1052 lir.div(leftOp, right, result, null);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1053 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1054 default:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1055 Util.shouldNotReachHere();
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1059 protected void arithmeticOpInt(int code, CiValue result, CiValue left, CiValue right, CiValue tmp) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1060 CiValue leftOp = left;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1061
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1062 if (isTwoOperand && leftOp != result) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1063 assert right != result : "malformed";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1064 lir.move(leftOp, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1065 leftOp = result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1066 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1067
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1068 switch (code) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1069 case IADD:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1070 lir.add(leftOp, right, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1071 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1072 case IMUL:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1073 boolean didStrengthReduce = false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1074 if (right.isConstant()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1075 CiConstant rightConstant = (CiConstant) right;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1076 int c = rightConstant.asInt();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1077 if (CiUtil.isPowerOf2(c)) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1078 // do not need tmp here
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1079 lir.shiftLeft(leftOp, CiUtil.log2(c), result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1080 didStrengthReduce = true;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1081 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1082 didStrengthReduce = strengthReduceMultiply(leftOp, c, result, tmp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1083 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1084 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1085 // we couldn't strength reduce so just emit the multiply
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1086 if (!didStrengthReduce) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1087 lir.mul(leftOp, right, result);
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 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1090 case ISUB:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1091 lir.sub(leftOp, right, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1092 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1093 default:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1094 // idiv and irem are handled elsewhere
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1095 Util.shouldNotReachHere();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1096 }
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 protected void arithmeticOpLong(int code, CiValue result, CiValue left, CiValue right, LIRDebugInfo info) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1100 CiValue leftOp = left;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1101
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1102 if (isTwoOperand && leftOp != result) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1103 assert right != result : "malformed";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1104 lir.move(leftOp, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1105 leftOp = result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1106 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1107
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1108 switch (code) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1109 case LADD:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1110 lir.add(leftOp, right, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1111 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1112 case LMUL:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1113 lir.mul(leftOp, right, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1114 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1115 case LSUB:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1116 lir.sub(leftOp, right, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1117 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1118 default:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1119 // ldiv and lrem are handled elsewhere
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1120 Util.shouldNotReachHere();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1121 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1122 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1123
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1124 protected final CiValue callRuntime(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1125 // get a result register
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1126 CiKind result = runtimeCall.resultKind;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1127 CiKind[] arguments = runtimeCall.arguments;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1128
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1129 CiValue physReg = result.isVoid() ? IllegalValue : resultOperandFor(result);
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 List<CiValue> argumentList;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1132 if (arguments.length > 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1133 // move the arguments into the correct location
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1134 CiCallingConvention cc = compilation.frameMap().getCallingConvention(arguments, RuntimeCall);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1135 assert cc.locations.length == args.length : "argument count mismatch";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1136 for (int i = 0; i < args.length; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1137 CiValue arg = args[i];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1138 CiValue loc = cc.locations[i];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1139 if (loc.isRegister()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1140 lir.move(arg, loc);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1141 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1142 assert loc.isStackSlot();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1143 CiStackSlot slot = (CiStackSlot) loc;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1144 if (slot.kind == CiKind.Long \|\| slot.kind == CiKind.Double) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1145 lir.unalignedMove(arg, slot);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1146 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1147 lir.move(arg, slot);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1148 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1149 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1150 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1151 argumentList = Arrays.asList(cc.locations);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1152 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1153 // no arguments
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1154 assert args == null \|\| args.length == 0;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1155 argumentList = Util.uncheckedCast(Collections.emptyList());
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1158 lir.callRuntime(runtimeCall, physReg, argumentList, info);
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 return physReg;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1161 }
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 protected final CiVariable callRuntimeWithResult(CiRuntimeCall runtimeCall, LIRDebugInfo info, CiValue... args) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1164 CiVariable result = newVariable(runtimeCall.resultKind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1165 CiValue location = callRuntime(runtimeCall, info, args);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1166 lir.move(location, result);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1167 return result;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1168 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1169
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1170 SwitchRange[] createLookupRanges(LookupSwitch x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1171 // we expect the keys to be sorted by increasing value
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1172 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1173 int len = x.numberOfCases();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1174 if (len > 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1175 BlockBegin defaultSux = x.defaultSuccessor();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1176 int key = x.keyAt(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1177 BlockBegin sux = x.suxAt(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1178 SwitchRange range = new SwitchRange(key, sux);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1179 for (int i = 1; i < len; i++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1180 int newKey = x.keyAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1181 BlockBegin newSux = x.suxAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1182 if (key + 1 == newKey && sux == newSux) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1183 // still in same range
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1184 range.highKey = newKey;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1185 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1186 // skip tests which explicitly dispatch to the default
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1187 if (range.sux != defaultSux) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1188 res.add(range);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1189 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1190 range = new SwitchRange(newKey, newSux);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1191 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1192 key = newKey;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1193 sux = newSux;
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 if (res.size() == 0 \|\| res.get(res.size() - 1) != range) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1196 res.add(range);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1197 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1198 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1199 return res.toArray(new SwitchRange[res.size()]);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1200 }
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 SwitchRange[] createLookupRanges(TableSwitch x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1203 // XXX: try to merge this with the code for LookupSwitch
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1204 List<SwitchRange> res = new ArrayList<SwitchRange>(x.numberOfCases());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1205 int len = x.numberOfCases();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1206 if (len > 0) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1207 BlockBegin sux = x.suxAt(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1208 int key = x.lowKey();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1209 BlockBegin defaultSux = x.defaultSuccessor();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1210 SwitchRange range = new SwitchRange(key, sux);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1211 for (int i = 0; i < len; i++, key++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1212 BlockBegin newSux = x.suxAt(i);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1213 if (sux == newSux) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1214 // still in same range
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1215 range.highKey = key;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1216 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1217 // skip tests which explicitly dispatch to the default
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1218 if (sux != defaultSux) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1219 res.add(range);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1220 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1221 range = new SwitchRange(key, newSux);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1222 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1223 sux = newSux;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1224 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1225 if (res.size() == 0 \|\| res.get(res.size() - 1) != range) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1226 res.add(range);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1227 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1228 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1229 return res.toArray(new SwitchRange[res.size()]);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1232 void doRoot(Instruction instr) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1233 currentInstruction = instr;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1234 assert instr.isLive() : "use only with roots";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1235 assert !instr.hasSubst() : "shouldn't have missed substitution";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1236
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1237 if (C1XOptions.TraceLIRVisit) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1238 TTY.println("Visiting " + instr);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1239 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1240 instr.accept(this);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1241 if (C1XOptions.TraceLIRVisit) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1242 TTY.println("Operand for " + instr + " = " + instr.operand());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1243 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1244
2515 4fdef1464592 Removed extended bytecodes and related HIR instructions. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2509 diff changeset	1245 assert (instr.operand().isLegal()) \|\| !isUsedForValue(instr) \|\| instr.isConstant() : "operand was not set for live instruction";
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1246 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1247
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1248 private boolean isUsedForValue(Instruction instr) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1249 return instr.checkFlag(Value.Flag.LiveValue);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1250 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1251
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1252 protected void logicOp(int code, CiValue resultOp, CiValue leftOp, CiValue rightOp) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1253 if (isTwoOperand && leftOp != resultOp) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1254 assert rightOp != resultOp : "malformed";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1255 lir.move(leftOp, resultOp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1256 leftOp = resultOp;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1257 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1258
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1259 switch (code) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1260 case IAND:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1261 case LAND:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1262 lir.logicalAnd(leftOp, rightOp, resultOp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1263 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1264
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1265 case IOR:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1266 case LOR:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1267 lir.logicalOr(leftOp, rightOp, resultOp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1268 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1269
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1270 case IXOR:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1271 case LXOR:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1272 lir.logicalXor(leftOp, rightOp, resultOp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1273 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1274
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1275 default:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1276 Util.shouldNotReachHere();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1277 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1278 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1279
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1280 void moveToPhi(PhiResolver resolver, Value curVal, Value suxVal) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1281 // move current value to referenced phi function
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1282 if (suxVal instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1283 Phi phi = (Phi) suxVal;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1284 // curVal can be null without phi being null in conjunction with inlining
2532 3fca504f28ba Reinsert phi simplifier (does not seem to be optional). Disabled canonicalizer. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2522 diff changeset	1285 if (phi.isLive() && !phi.isDeadPhi() && curVal != null && curVal != phi) {
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1286 assert curVal.isLive() : "value not live: " + curVal + ", suxVal=" + suxVal;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1287 assert !phi.isIllegal() : "illegal phi cannot be marked as live";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1288 if (curVal instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1289 operandForPhi((Phi) curVal);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1290 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1291 CiValue operand = curVal.operand();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1292 if (operand.isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1293 assert curVal instanceof Constant \|\| curVal instanceof Local : "these can be produced lazily";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1294 operand = operandForInstruction(curVal);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1295 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1296 resolver.move(operand, operandForPhi(phi));
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 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1299 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1300
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1301 protected void moveToPhi(FrameState curState) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1302 // Moves all stack values into their phi position
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1303 BlockBegin bb = currentBlock;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1304 if (bb.numberOfSux() == 1) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1305 BlockBegin sux = bb.suxAt(0);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1306 assert sux.numberOfPreds() > 0 : "invalid CFG";
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 // a block with only one predecessor never has phi functions
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1309 if (sux.numberOfPreds() > 1) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1310 PhiResolver resolver = new PhiResolver(this);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1311
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1312 FrameState suxState = sux.stateBefore();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1313
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1314 for (int index = 0; index < suxState.stackSize(); index++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1315 moveToPhi(resolver, curState.stackAt(index), suxState.stackAt(index));
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1318 // walk up the inlined scopes until locals match
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1319 while (curState.scope() != suxState.scope()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1320 curState = curState.callerState();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1321 assert curState != null : "scopes don't match up";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1322 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1323
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1324 for (int index = 0; index < suxState.localsSize(); index++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1325 moveToPhi(resolver, curState.localAt(index), suxState.localAt(index));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1326 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1327
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1328 assert curState.scope().callerState == suxState.scope().callerState : "caller states must be equal";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1329 resolver.dispose();
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1334 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1335 * Creates a new {@linkplain CiVariable variable}.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1336 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1337 * @param kind the kind of the variable
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1338 * @return a new variable
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1339 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1340 public CiVariable newVariable(CiKind kind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1341 return operands.newVariable(kind);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1344 CiValue operandForInstruction(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1345 CiValue operand = x.operand();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1346 if (operand.isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1347 if (x instanceof Constant) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1348 x.setOperand(x.asConstant());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1349 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1350 assert x instanceof Phi \|\| x instanceof Local : "only for Phi and Local";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1351 // allocate a variable for this local or phi
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1352 createResultVariable(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1353 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1354 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1355 return x.operand();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1356 }
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 private CiValue operandForPhi(Phi phi) {
2532 3fca504f28ba Reinsert phi simplifier (does not seem to be optional). Disabled canonicalizer. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2522 diff changeset	1359 assert !phi.isDeadPhi();
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1360 if (phi.operand().isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1361 // allocate a variable for this phi
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1362 CiVariable operand = newVariable(phi.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1363 setResult(phi, operand);
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 phi.operand();
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 protected void postGCWriteBarrier(CiValue addr, CiValue newVal) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1369 XirSnippet writeBarrier = xir.genWriteBarrier(toXirArgument(addr));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1370 if (writeBarrier != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1371 emitXir(writeBarrier, null, null, null, false);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1372 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1373 }
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 protected void preGCWriteBarrier(CiValue addrOpr, boolean patch, LIRDebugInfo info) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1376 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1377
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1378 protected void setNoResult(Instruction x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1379 assert !isUsedForValue(x) : "can't have use";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1380 x.clearOperand();
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1383 protected CiValue setResult(Value x, CiVariable operand) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1384 x.setOperand(operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1385 if (C1XOptions.DetailedAsserts) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1386 operands.recordResult(operand, x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1387 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1388 return operand;
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1391 protected void shiftOp(int code, CiValue resultOp, CiValue value, CiValue count, CiValue tmp) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1392 if (isTwoOperand && value != resultOp) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1393 assert count != resultOp : "malformed";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1394 lir.move(value, resultOp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1395 value = resultOp;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1396 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1397
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1398 assert count.isConstant() \|\| count.isVariableOrRegister();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1399 switch (code) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1400 case ISHL:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1401 case LSHL:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1402 lir.shiftLeft(value, count, resultOp, tmp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1403 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1404 case ISHR:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1405 case LSHR:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1406 lir.shiftRight(value, count, resultOp, tmp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1407 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1408 case IUSHR:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1409 case LUSHR:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1410 lir.unsignedShiftRight(value, count, resultOp, tmp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1411 break;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1412 default:
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1413 Util.shouldNotReachHere();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1414 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1415 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1416
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1417 protected void walkState(Instruction x, FrameState state) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1418 if (state == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1419 return;
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 for (int index = 0; index < state.stackSize(); index++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1422 walkStateValue(state.stackAt(index));
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1423 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1424 FrameState s = state;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1425 int bci = x.bci();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1426
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1427 while (s != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1428 IRScope scope = s.scope();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1429 if (bci == Instruction.SYNCHRONIZATION_ENTRY_BCI) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1430 assert x instanceof ExceptionObject \|\|
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1431 x instanceof Throw \|\|
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1432 x instanceof MonitorEnter \|\|
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1433 x instanceof MonitorExit;
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1436 for (int index = 0; index < s.localsSize(); index++) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1437 final Value value = s.localAt(index);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1438 if (value != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1439 if (!value.isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1440 walkStateValue(value);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1441 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1442 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1443 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1444 bci = scope.callerBCI();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1445 s = s.callerState();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1446 }
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 private void walkStateValue(Value value) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1450 if (value != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1451 assert !value.hasSubst() : "missed substitution";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1452 assert value.isLive() : "value must be marked live in frame state";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1453 if (value instanceof Phi && !value.isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1454 // phi's are special
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1455 operandForPhi((Phi) value);
2515 4fdef1464592 Removed extended bytecodes and related HIR instructions. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2509 diff changeset	1456 } else if (value.operand().isIllegal()) {
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1457 // instruction doesn't have an operand yet
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1458 CiValue operand = makeOperand(value);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1459 assert operand.isLegal() : "must be evaluated now";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1460 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1461 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1462 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1463
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1464 protected LIRDebugInfo maybeStateFor(Instruction x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1465 FrameState stateBefore = x.stateBefore();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1466 if (stateBefore == null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1467 return null;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1468 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1469 return stateFor(x, stateBefore);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1470 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1471
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1472 protected LIRDebugInfo stateFor(Instruction x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1473 assert x.stateBefore() != null : "must have state before instruction for " + x;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1474 return stateFor(x, x.stateBefore());
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1477 protected LIRDebugInfo stateFor(Instruction x, FrameState state) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1478 if (compilation.placeholderState != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1479 state = compilation.placeholderState;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1480 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1481
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1482 return new LIRDebugInfo(state, x.exceptionHandlers());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1483 }
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 List<CiValue> visitInvokeArguments(CiCallingConvention cc, Value[] args, List<CiValue> pointerSlots) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1486 // for each argument, load it into the correct location
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1487 List<CiValue> argList = new ArrayList<CiValue>(args.length);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1488 int j = 0;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1489 for (Value arg : args) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1490 if (arg != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1491 CiValue operand = cc.locations[j++];
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1492 if (operand.isRegister()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1493 force(arg, operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1494 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1495 LIRItem param = new LIRItem(arg, this);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1496 assert operand.isStackSlot();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1497 CiStackSlot slot = (CiStackSlot) operand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1498 assert !slot.inCallerFrame();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1499 param.loadForStore(slot.kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1500 if (slot.kind == CiKind.Long \|\| slot.kind == CiKind.Double) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1501 lir.unalignedMove(param.result(), slot);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1502 } else {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1503 lir.move(param.result(), slot);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1506 if (arg.kind == CiKind.Object && pointerSlots != null) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1507 // This slot must be marked explicitedly in the pointer map.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1508 pointerSlots.add(slot);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1509 }
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 argList.add(operand);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1512 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1513 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1514 return argList;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1515 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1516
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1517 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1518 * Ensures that an operand has been {@linkplain Value#setOperand(CiValue) initialized}
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1519 * for storing the result of an instruction.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1520 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1521 * @param instruction an instruction that produces a result value
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1522 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1523 protected CiValue makeOperand(Value instruction) {
2537 4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	1524 if (instruction == null) {
4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	1525 return CiValue.IllegalValue;
4a016ff4d2df Clean up on LIRGenerator and related. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2532 diff changeset	1526 }
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1527 assert instruction.isLive();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1528 CiValue operand = instruction.operand();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1529 if (operand.isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1530 if (instruction instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1531 // a phi may not have an operand yet if it is for an exception block
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1532 operand = operandForPhi((Phi) instruction);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1533 } else if (instruction instanceof Constant) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1534 operand = operandForInstruction(instruction);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1535 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1536 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1537 // the value must be a constant or have a valid operand
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1538 assert operand.isLegal() : "this root has not been visited yet";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1539 return operand;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1540 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1541
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1542 /**
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1543 * Gets the ABI specific operand used to return a value of a given kind from a method.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1544 *
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1545 * @param kind the kind of value being returned
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1546 * @return the operand representing the ABI defined location used return a value of kind {@code kind}
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1547 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1548 protected CiValue resultOperandFor(CiKind kind) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1549 if (kind == CiKind.Void) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1550 return IllegalValue;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1551 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1552 CiRegister returnRegister = compilation.registerConfig.getReturnRegister(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1553 return returnRegister.asValue(kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1554 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1555
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1556 protected XirSupport site(Value x) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1557 return xirSupport.site(x);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1558 }
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 public void maybePrintCurrentInstruction() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1561 if (currentInstruction != null && lastInstructionPrinted != currentInstruction) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1562 lastInstructionPrinted = currentInstruction;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1563 InstructionPrinter ip = new InstructionPrinter(TTY.out());
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1564 ip.printInstructionListing(currentInstruction);
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 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1567
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1568 protected abstract boolean canInlineAsConstant(Value i);
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 protected abstract boolean canStoreAsConstant(Value i, CiKind kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1571
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1572 protected abstract CiValue exceptionPcOpr();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1573
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1574 protected abstract CiValue osrBufferPointer();
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 protected abstract boolean strengthReduceMultiply(CiValue left, int constant, CiValue result, CiValue tmp);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1577
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1578 protected abstract CiAddress genAddress(CiValue base, CiValue index, int shift, int disp, CiKind kind);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1579
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1580 protected abstract void genCmpMemInt(Condition condition, CiValue base, int disp, int c, LIRDebugInfo info);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1581
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1582 protected abstract void genCmpRegMem(Condition condition, CiValue reg, CiValue base, int disp, CiKind kind, LIRDebugInfo info);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1583
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1584 protected abstract void genGetObjectUnsafe(CiValue dest, CiValue src, CiValue offset, CiKind kind, boolean isVolatile);
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 protected abstract void genPutObjectUnsafe(CiValue src, CiValue offset, CiValue data, CiKind kind, boolean isVolatile);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1587
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 * Implements site-specific information for the XIR interface.
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1590 */
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1591 static class XirSupport implements XirSite {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1592 Value current;
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 XirSupport() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1595 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1596
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1597 public CiCodePos getCodePos() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1598 // TODO: get the code position of the current instruction if possible
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1599 return null;
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1602 public boolean isNonNull(XirArgument argument) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1603 if (argument.constant == null && argument.object instanceof LIRItem) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1604 // check the flag on the original value
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1605 return ((LIRItem) argument.object).instruction.isNonNull();
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 return false;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1608 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1609
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1610 public boolean requiresNullCheck() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1611 return current == null \|\| current.needsNullCheck();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1612 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1613
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1614 public boolean requiresBoundsCheck() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1615 return current == null \|\| !current.checkFlag(Value.Flag.NoBoundsCheck);
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1618 public boolean requiresReadBarrier() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1619 return current == null \|\| !current.checkFlag(Value.Flag.NoReadBarrier);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1620 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1621
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1622 public boolean requiresWriteBarrier() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1623 return current == null \|\| !current.checkFlag(Value.Flag.NoWriteBarrier);
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 public boolean requiresArrayStoreCheck() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1627 return current == null \|\| !current.checkFlag(Value.Flag.NoStoreCheck);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1628 }
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 public RiType getApproximateType(XirArgument argument) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1631 return current == null ? null : current.declaredType();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1632 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1633
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1634 public RiType getExactType(XirArgument argument) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1635 return current == null ? null : current.exactType();
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1638 XirSupport site(Value v) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1639 current = v;
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1640 return this;
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
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1643 @Override
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1644 public String toString() {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1645 return "XirSupport<" + current + ">";
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1646 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1647
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1648 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1649
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1650 private CiValue emitInvokeKnown(RiMethod method, FrameState stateBefore, Value... args) {
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1651 boolean isStatic = Modifier.isStatic(method.accessFlags());
2538 e1ba5a93e997 Clean up on Value class and LIRGenerator/LIRItem-related things. Thomas Wuerthinger <thomas@wuerthinger.net> parents: 2537 diff changeset	1652 Invoke invoke = new Invoke(isStatic ? Bytecodes.INVOKESTATIC : Bytecodes.INVOKESPECIAL, method.signature().returnKind(), args, method, null, stateBefore);
2507 9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1653 visitInvoke(invoke);
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1654 return invoke.operand();
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1655 }
9ec15d6914ca Pull over of compiler from maxine repository. Thomas Wuerthinger <thomas@wuerthinger.net> parents: diff changeset	1656 }

Mercurial > hg > truffle

annotate graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java @ 2540:3fc322165071