Mercurial > hg > truffle
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/stackslotalloc/SimpleStackSlotAllocator.java @ 21543:93c50cefb9e8
moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 May 2015 23:30:34 +0200 |
parents | 0e1e8879b655 |
children | b1530a6cce8c |
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/* * Copyright (c) 2014, 2015, 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.stackslotalloc; import static com.oracle.graal.api.code.ValueUtil.*; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.compiler.common.cfg.*; import com.oracle.graal.debug.*; import com.oracle.graal.debug.Debug.Scope; import com.oracle.graal.lir.*; import com.oracle.graal.lir.framemap.*; import com.oracle.graal.lir.gen.*; import com.oracle.graal.lir.gen.LIRGeneratorTool.SpillMoveFactory; import com.oracle.graal.lir.phases.*; import com.oracle.jvmci.common.*; public class SimpleStackSlotAllocator extends AllocationPhase implements StackSlotAllocator { @Override protected <B extends AbstractBlockBase<B>> void run(TargetDescription target, LIRGenerationResult lirGenRes, List<B> codeEmittingOrder, List<B> linearScanOrder, SpillMoveFactory spillMoveFactory) { lirGenRes.buildFrameMap(this); } public void allocateStackSlots(FrameMapBuilderTool builder, LIRGenerationResult res) { StackSlot[] mapping = new StackSlot[builder.getNumberOfStackSlots()]; long currentFrameSize = allocatedFramesize.isEnabled() ? builder.getFrameMap().currentFrameSize() : 0; for (VirtualStackSlot virtualSlot : builder.getStackSlots()) { final StackSlot slot; if (virtualSlot instanceof SimpleVirtualStackSlot) { slot = mapSimpleVirtualStackSlot(builder, (SimpleVirtualStackSlot) virtualSlot); virtualFramesize.add(builder.getFrameMap().spillSlotSize(virtualSlot.getLIRKind())); } else if (virtualSlot instanceof VirtualStackSlotRange) { VirtualStackSlotRange slotRange = (VirtualStackSlotRange) virtualSlot; slot = mapVirtualStackSlotRange(builder, slotRange); virtualFramesize.add(builder.getFrameMap().spillSlotRangeSize(slotRange.getSlots())); } else { throw JVMCIError.shouldNotReachHere("Unknown VirtualStackSlot: " + virtualSlot); } allocatedSlots.increment(); mapping[virtualSlot.getId()] = slot; } updateLIR(res, mapping); if (allocatedFramesize.isEnabled()) { allocatedFramesize.add(builder.getFrameMap().currentFrameSize() - currentFrameSize); } } protected void updateLIR(LIRGenerationResult res, StackSlot[] mapping) { try (Scope scope = Debug.scope("StackSlotMappingLIR")) { ValueProcedure updateProc = (value, mode, flags) -> { if (isVirtualStackSlot(value)) { StackSlot stackSlot = mapping[asVirtualStackSlot(value).getId()]; Debug.log("map %s -> %s", value, stackSlot); return stackSlot; } return value; }; for (AbstractBlockBase<?> block : res.getLIR().getControlFlowGraph().getBlocks()) { try (Indent indent0 = Debug.logAndIndent("block: %s", block)) { for (LIRInstruction inst : res.getLIR().getLIRforBlock(block)) { try (Indent indent1 = Debug.logAndIndent("Inst: %d: %s", inst.id(), inst)) { inst.forEachAlive(updateProc); inst.forEachInput(updateProc); inst.forEachOutput(updateProc); inst.forEachTemp(updateProc); inst.forEachState(updateProc); } } } } } } protected StackSlot mapSimpleVirtualStackSlot(FrameMapBuilderTool builder, SimpleVirtualStackSlot virtualStackSlot) { return builder.getFrameMap().allocateSpillSlot(virtualStackSlot.getLIRKind()); } protected StackSlot mapVirtualStackSlotRange(FrameMapBuilderTool builder, VirtualStackSlotRange virtualStackSlot) { return builder.getFrameMap().allocateStackSlots(virtualStackSlot.getSlots(), virtualStackSlot.getObjects()); } }