Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/LIR.java @ 9884:cecd40916b06
Add scaling factor for arrays
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Tue, 04 Jun 2013 17:14:51 +0200 |
parents | a5f2b9012865 |
children | b04b94b71649 |
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/* * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.lir; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.debug.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.cfg.*; /** * This class implements the overall container for the LIR graph and directs its construction, * optimization, and finalization. */ public class LIR { public final ControlFlowGraph cfg; /** * The nodes for the blocks. TODO: This should go away, we want all nodes connected with a * next-pointer. */ private final BlockMap<List<ScheduledNode>> blockToNodesMap; /** * The linear-scan ordered list of blocks. */ private final List<Block> linearScanOrder; /** * The order in which the code is emitted. */ private final List<Block> codeEmittingOrder; private int numVariables; public SpillMoveFactory spillMoveFactory; public final BlockMap<List<LIRInstruction>> lirInstructions; public interface SpillMoveFactory { LIRInstruction createMove(AllocatableValue result, Value input); } private boolean hasArgInCallerFrame; private final SpeculationLog speculationLog; /** * Creates a new LIR instance for the specified compilation. */ public LIR(ControlFlowGraph cfg, BlockMap<List<ScheduledNode>> blockToNodesMap, List<Block> linearScanOrder, List<Block> codeEmittingOrder, SpeculationLog speculationLog) { this.cfg = cfg; this.blockToNodesMap = blockToNodesMap; this.codeEmittingOrder = codeEmittingOrder; this.linearScanOrder = linearScanOrder; this.lirInstructions = new BlockMap<>(cfg); this.speculationLog = speculationLog; } public SpeculationLog getDeoptimizationReasons() { return speculationLog; } /** * Gets the nodes in a given block. */ public List<ScheduledNode> nodesFor(Block block) { return blockToNodesMap.get(block); } /** * Determines if any instruction in the LIR has debug info associated with it. */ public boolean hasDebugInfo() { for (Block b : linearScanOrder()) { for (LIRInstruction op : lir(b)) { if (op.hasState()) { return true; } } } return false; } public List<LIRInstruction> lir(Block block) { return lirInstructions.get(block); } public void setLir(Block block, List<LIRInstruction> list) { assert lir(block) == null : "lir instruction list should only be initialized once"; lirInstructions.put(block, list); } /** * Gets the linear scan ordering of blocks as a list. * * @return the blocks in linear scan order */ public List<Block> linearScanOrder() { return linearScanOrder; } public List<Block> codeEmittingOrder() { return codeEmittingOrder; } public int numVariables() { return numVariables; } public int nextVariable() { return numVariables++; } public void emitCode(TargetMethodAssembler tasm) { if (tasm.frameContext != null) { tasm.frameContext.enter(tasm); } for (Block b : codeEmittingOrder()) { emitBlock(tasm, b); } } private void emitBlock(TargetMethodAssembler tasm, Block block) { if (Debug.isDumpEnabled()) { tasm.blockComment(String.format("block B%d %s", block.getId(), block.getLoop())); } for (LIRInstruction op : lir(block)) { if (Debug.isDumpEnabled()) { tasm.blockComment(String.format("%d %s", op.id(), op)); } emitOp(tasm, op); } } private static void emitOp(TargetMethodAssembler tasm, LIRInstruction op) { try { try { op.emitCode(tasm); } catch (AssertionError t) { throw new GraalInternalError(t); } catch (RuntimeException t) { throw new GraalInternalError(t); } } catch (GraalInternalError e) { throw e.addContext("lir instruction", op); } } public void setHasArgInCallerFrame() { hasArgInCallerFrame = true; } /** * Determines if any of the parameters to the method are passed via the stack where the * parameters are located in the caller's frame. */ public boolean hasArgInCallerFrame() { return hasArgInCallerFrame; } }