Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotNodeLIRBuilder.java @ 17328:c9bb0da795d4
Backed out of changeset 17322:655f3e6b467b
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 03 Oct 2014 14:19:58 +0200 |
parents | 655f3e6b467b |
children | c6086a18c9ce |
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/* * Copyright (c) 2012, 2014, 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.hotspot.amd64; import static com.oracle.graal.amd64.AMD64.*; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.hotspot.HotSpotBackend.*; import com.oracle.graal.amd64.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.*; import com.oracle.graal.compiler.amd64.*; import com.oracle.graal.compiler.common.calc.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.compiler.match.*; import com.oracle.graal.debug.*; import com.oracle.graal.graph.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.amd64.AMD64HotSpotLIRGenerator.SaveRbp; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.nodes.*; import com.oracle.graal.hotspot.nodes.type.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.StandardOp.NoOp; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.amd64.AMD64Move.CompareAndSwapOp; import com.oracle.graal.lir.gen.*; import com.oracle.graal.nodes.CallTargetNode.InvokeKind; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.extended.*; /** * LIR generator specialized for AMD64 HotSpot. */ public class AMD64HotSpotNodeLIRBuilder extends AMD64NodeLIRBuilder implements HotSpotNodeLIRBuilder { private static ValueNode filterCompression(ValueNode node) { ValueNode result = node; if (result instanceof PiNode) { result = ((PiNode) result).getOriginalNode(); } if (result instanceof CompressionNode) { result = ((CompressionNode) result).getValue(); } return result; } private void emitCompareCompressedMemory(Kind kind, IfNode ifNode, ValueNode valueNode, CompressionNode compress, ConstantLocationNode location, Access access, CompareNode compare) { Value value = gen.load(operand(valueNode)); AMD64AddressValue address = makeCompressedAddress(compress, location); Condition cond = compare.condition(); if (access == filterCompression(compare.getX())) { cond = cond.mirror(); } else { assert access == filterCompression(compare.getY()); } LabelRef trueLabel = getLIRBlock(ifNode.trueSuccessor()); LabelRef falseLabel = getLIRBlock(ifNode.falseSuccessor()); double trueLabelProbability = ifNode.probability(ifNode.trueSuccessor()); getGen().emitCompareBranchMemory(kind, value, address, getState(access), cond, compare.unorderedIsTrue(), trueLabel, falseLabel, trueLabelProbability); } public AMD64HotSpotNodeLIRBuilder(StructuredGraph graph, LIRGeneratorTool gen) { super(graph, gen); assert gen instanceof AMD64HotSpotLIRGenerator; assert getDebugInfoBuilder() instanceof HotSpotDebugInfoBuilder; ((AMD64HotSpotLIRGenerator) gen).setLockStack(((HotSpotDebugInfoBuilder) getDebugInfoBuilder()).lockStack()); } private AMD64HotSpotLIRGenerator getGen() { return (AMD64HotSpotLIRGenerator) gen; } private SaveRbp getSaveRbp() { return getGen().saveRbp; } private void setSaveRbp(SaveRbp saveRbp) { getGen().saveRbp = saveRbp; } @Override protected DebugInfoBuilder createDebugInfoBuilder(StructuredGraph graph, NodeMap<Value> nodeOperands) { HotSpotLockStack lockStack = new HotSpotLockStack(gen.getResult().getFrameMap(), LIRKind.value(Kind.Long)); return new HotSpotDebugInfoBuilder(nodeOperands, lockStack); } @Override protected void emitPrologue(StructuredGraph graph) { CallingConvention incomingArguments = gen.getCallingConvention(); Value[] params = new Value[incomingArguments.getArgumentCount() + 1]; for (int i = 0; i < params.length - 1; i++) { params[i] = LIRGenerator.toStackKind(incomingArguments.getArgument(i)); if (isStackSlot(params[i])) { StackSlot slot = ValueUtil.asStackSlot(params[i]); if (slot.isInCallerFrame() && !gen.getResult().getLIR().hasArgInCallerFrame()) { gen.getResult().getLIR().setHasArgInCallerFrame(); } } } params[params.length - 1] = rbp.asValue(LIRKind.value(Kind.Long)); gen.emitIncomingValues(params); setSaveRbp(((AMD64HotSpotLIRGenerator) gen).new SaveRbp(new NoOp(gen.getCurrentBlock(), gen.getResult().getLIR().getLIRforBlock(gen.getCurrentBlock()).size()))); append(getSaveRbp().placeholder); for (ParameterNode param : graph.getNodes(ParameterNode.class)) { Value paramValue = params[param.index()]; assert paramValue.getKind() == param.getKind().getStackKind(); setResult(param, gen.emitMove(paramValue)); } } @Override public void visitSafepointNode(SafepointNode i) { LIRFrameState info = state(i); append(new AMD64HotSpotSafepointOp(info, getGen().config, this)); } @Override protected void emitDirectCall(DirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) { InvokeKind invokeKind = ((HotSpotDirectCallTargetNode) callTarget).invokeKind(); if (invokeKind == InvokeKind.Interface || invokeKind == InvokeKind.Virtual) { append(new AMD64HotspotDirectVirtualCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind)); } else { assert invokeKind == InvokeKind.Static || invokeKind == InvokeKind.Special; HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) callTarget.targetMethod(); assert !resolvedMethod.isAbstract() : "Cannot make direct call to abstract method."; append(new AMD64HotspotDirectStaticCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind)); } } @Override protected void emitIndirectCall(IndirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) { if (callTarget instanceof HotSpotIndirectCallTargetNode) { AllocatableValue metaspaceMethod = AMD64.rbx.asValue(); gen.emitMove(metaspaceMethod, operand(((HotSpotIndirectCallTargetNode) callTarget).metaspaceMethod())); AllocatableValue targetAddress = AMD64.rax.asValue(); gen.emitMove(targetAddress, operand(callTarget.computedAddress())); append(new AMD64IndirectCallOp(callTarget.targetMethod(), result, parameters, temps, metaspaceMethod, targetAddress, callState)); } else { super.emitIndirectCall(callTarget, result, parameters, temps, callState); } } @Override public void emitPatchReturnAddress(ValueNode address) { append(new AMD64HotSpotPatchReturnAddressOp(gen.load(operand(address)))); } @Override public void emitJumpToExceptionHandlerInCaller(ValueNode handlerInCallerPc, ValueNode exception, ValueNode exceptionPc) { Variable handler = gen.load(operand(handlerInCallerPc)); ForeignCallLinkage linkage = gen.getForeignCalls().lookupForeignCall(EXCEPTION_HANDLER_IN_CALLER); CallingConvention outgoingCc = linkage.getOutgoingCallingConvention(); assert outgoingCc.getArgumentCount() == 2; RegisterValue exceptionFixed = (RegisterValue) outgoingCc.getArgument(0); RegisterValue exceptionPcFixed = (RegisterValue) outgoingCc.getArgument(1); gen.emitMove(exceptionFixed, operand(exception)); gen.emitMove(exceptionPcFixed, operand(exceptionPc)); Register thread = getGen().getProviders().getRegisters().getThreadRegister(); AMD64HotSpotJumpToExceptionHandlerInCallerOp op = new AMD64HotSpotJumpToExceptionHandlerInCallerOp(handler, exceptionFixed, exceptionPcFixed, getGen().config.threadIsMethodHandleReturnOffset, thread); append(op); } @Override public void visitFullInfopointNode(FullInfopointNode i) { if (i.getState() != null && i.getState().bci == BytecodeFrame.AFTER_BCI) { Debug.log("Ignoring InfopointNode for AFTER_BCI"); } else { super.visitFullInfopointNode(i); } } public void emitPrefetchAllocate(ValueNode address, ValueNode distance) { AMD64AddressValue addr = getGen().emitAddress(operand(address), 0, gen.loadNonConst(operand(distance)), 1); append(new AMD64PrefetchOp(addr, getGen().config.allocatePrefetchInstr)); } @Override public void visitDirectCompareAndSwap(DirectCompareAndSwapNode x) { Value expected = gen.loadNonConst(operand(x.expectedValue())); Variable newVal = gen.load(operand(x.newValue())); assert expected.getLIRKind().equals(newVal.getLIRKind()); AMD64AddressValue address = getGen().emitAddress(operand(x.object()), 0, operand(x.offset()), 1); RegisterValue raxLocal = AMD64.rax.asValue(expected.getLIRKind()); gen.emitMove(raxLocal, expected); append(new CompareAndSwapOp(expected.getKind(), raxLocal, address, raxLocal, newVal)); setResult(x, gen.emitMove(raxLocal)); } boolean canFormCompressedMemory(CompressionNode compress, ConstantLocationNode location) { HotSpotVMConfig config = HotSpotGraalRuntime.runtime().getConfig(); if (config.useCompressedOops && compress.getEncoding().shift <= 3 && NumUtil.isInt(location.getDisplacement())) { Stamp compressedStamp = compress.getValue().stamp(); if (compressedStamp instanceof NarrowOopStamp) { return true; } else if (compressedStamp instanceof IntegerStamp) { IntegerStamp is = (IntegerStamp) compressedStamp; return is.getBits() == 32 && config.narrowKlassBase == config.narrowOopBase; } } return false; } private AMD64AddressValue makeCompressedAddress(CompressionNode compress, ConstantLocationNode location) { assert canFormCompressedMemory(compress, location); AMD64AddressValue address = getGen().emitAddress(getGen().getProviders().getRegisters().getHeapBaseRegister().asValue(), location.getDisplacement(), operand(compress.getValue()), 1 << compress.getEncoding().shift); return address; } @MatchRule("(If (IntegerEquals=compare value (FloatingRead=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (IntegerLessThan=compare value (FloatingRead=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (IntegerBelow=compare value (FloatingRead=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (FloatEquals=compare value (FloatingRead=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (FloatLessThan=compare value (FloatingRead=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (IntegerEquals=compare value (Read=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (IntegerLessThan=compare value (Read=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (IntegerBelow=compare value (Read=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (FloatEquals=compare value (Read=access (Compression=compress object) ConstantLocation=location)))") @MatchRule("(If (FloatLessThan=compare value (Read=access (Compression=compress object) ConstantLocation=location)))") public ComplexMatchResult ifCompareCompressedMemory(IfNode root, CompareNode compare, CompressionNode compress, ValueNode value, ConstantLocationNode location, Access access) { if (canFormCompressedMemory(compress, location)) { PlatformKind cmpKind = gen.getLIRKind(compare.getX().stamp()).getPlatformKind(); if (cmpKind instanceof Kind) { Kind kind = (Kind) cmpKind; return builder -> { emitCompareCompressedMemory(kind, root, value, compress, location, access, compare); return null; }; } } return null; } @MatchRule("(Add value (Read=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Sub value (Read=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Mul value (Read=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Or value (Read=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Xor value (Read=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(And value (Read=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Add value (FloatingRead=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Sub value (FloatingRead=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Mul value (FloatingRead=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Or value (FloatingRead=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(Xor value (FloatingRead=access (Compression=compress object) ConstantLocation=location))") @MatchRule("(And value (FloatingRead=access (Compression=compress object) ConstantLocation=location))") public ComplexMatchResult binaryReadCompressed(BinaryNode root, ValueNode value, Access access, CompressionNode compress, ConstantLocationNode location) { if (canFormCompressedMemory(compress, location)) { AMD64Arithmetic op = getOp(root, access); if (op != null) { return builder -> getLIRGeneratorTool().emitBinaryMemory(op, getMemoryKind(access), getLIRGeneratorTool().asAllocatable(operand(value)), makeCompressedAddress(compress, location), getState(access)); } } return null; } @MatchRule("(Read (Compression=compress object) ConstantLocation=location)") @MatchRule("(Read (Pi (Compression=compress object)) ConstantLocation=location)") @MatchRule("(FloatingRead (Compression=compress object) ConstantLocation=location)") @MatchRule("(FloatingRead (Pi (Compression=compress object)) ConstantLocation=location)") public ComplexMatchResult readCompressed(Access root, CompressionNode compress, ConstantLocationNode location) { if (canFormCompressedMemory(compress, location)) { LIRKind readKind = getGen().getLIRKind(root.asNode().stamp()); return builder -> { return getGen().emitLoad(readKind, makeCompressedAddress(compress, location), getState(root)); }; } return null; } @MatchRule("(Write (Compression=compress object) ConstantLocation=location value)") @MatchRule("(Write (Pi (Compression=compress object)) ConstantLocation=location value)") public ComplexMatchResult writeCompressed(Access root, CompressionNode compress, ConstantLocationNode location, ValueNode value) { if (canFormCompressedMemory(compress, location)) { LIRKind readKind = getGen().getLIRKind(value.asNode().stamp()); return builder -> { getGen().emitStore(readKind, makeCompressedAddress(compress, location), operand(value), getState(root)); return null; }; } return null; } }