Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotNodeLIRBuilder.java @ 19157:3a2fce66fda0
[SPARC] make CompareAndSwapOp side-effect free.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Thu, 05 Feb 2015 13:16:09 +0100 |
parents | 5e80dd2f1783 |
children | 15a46a918fc1 |
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/* * Copyright (c) 2013, 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.sparc; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.hotspot.HotSpotBackend.*; import static com.oracle.graal.sparc.SPARC.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.compiler.sparc.*; import com.oracle.graal.debug.*; import com.oracle.graal.graph.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.nodes.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.gen.*; import com.oracle.graal.lir.sparc.*; import com.oracle.graal.lir.sparc.SPARCMove.CompareAndSwapOp; import com.oracle.graal.nodes.CallTargetNode.InvokeKind; import com.oracle.graal.nodes.*; public class SPARCHotSpotNodeLIRBuilder extends SPARCNodeLIRBuilder implements HotSpotNodeLIRBuilder { private HotSpotGraalRuntimeProvider runtime; public SPARCHotSpotNodeLIRBuilder(HotSpotGraalRuntimeProvider runtime, StructuredGraph graph, LIRGeneratorTool lirGen) { super(graph, lirGen); this.runtime = runtime; assert gen instanceof SPARCHotSpotLIRGenerator; assert getDebugInfoBuilder() instanceof HotSpotDebugInfoBuilder; ((SPARCHotSpotLIRGenerator) gen).setLockStack(((HotSpotDebugInfoBuilder) getDebugInfoBuilder()).lockStack()); } @Override protected DebugInfoBuilder createDebugInfoBuilder(StructuredGraph graph, NodeMap<Value> nodeOperands) { HotSpotLockStack lockStack = new HotSpotLockStack(gen.getResult().getFrameMapBuilder(), LIRKind.value(Kind.Long)); return new HotSpotDebugInfoBuilder(nodeOperands, lockStack); } private SPARCHotSpotLIRGenerator getGen() { return (SPARCHotSpotLIRGenerator) gen; } @Override public void visitSafepointNode(SafepointNode i) { LIRFrameState info = state(i); append(new SPARCHotSpotSafepointOp(info, getGen().config, gen)); } @Override public void visitDirectCompareAndSwap(DirectCompareAndSwapNode x) { Variable address = gen.load(operand(x.object())); Value offset = operand(x.offset()); Variable cmpValue = (Variable) gen.loadNonConst(operand(x.expectedValue())); Variable newValue = gen.load(operand(x.newValue())); LIRKind kind = cmpValue.getLIRKind(); assert kind.equals(newValue.getLIRKind()); if (ValueUtil.isConstant(offset)) { assert !gen.getCodeCache().needsDataPatch(asConstant(offset)); Variable longAddress = gen.newVariable(LIRKind.value(Kind.Long)); gen.emitMove(longAddress, address); address = getGen().emitAdd(longAddress, asConstant(offset), false); } else { if (isLegal(offset)) { address = getGen().emitAdd(address, offset, false); } } Variable result = gen.newVariable(newValue.getLIRKind()); append(new CompareAndSwapOp(result, address, cmpValue, newValue)); setResult(x, result); } @Override protected void emitDirectCall(DirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) { InvokeKind invokeKind = ((HotSpotDirectCallTargetNode) callTarget).invokeKind(); if (invokeKind.isIndirect()) { append(new SPARCHotspotDirectVirtualCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind, runtime.getConfig())); } else { assert invokeKind.isDirect(); HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) callTarget.targetMethod(); assert resolvedMethod.isConcrete() : "Cannot make direct call to abstract method."; append(new SPARCHotspotDirectStaticCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind)); } } @Override protected void emitIndirectCall(IndirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) { Value metaspaceMethodSrc = operand(((HotSpotIndirectCallTargetNode) callTarget).metaspaceMethod()); AllocatableValue metaspaceMethod = g5.asValue(metaspaceMethodSrc.getLIRKind()); gen.emitMove(metaspaceMethod, metaspaceMethodSrc); Value targetAddressSrc = operand(callTarget.computedAddress()); AllocatableValue targetAddress = o7.asValue(targetAddressSrc.getLIRKind()); gen.emitMove(targetAddress, targetAddressSrc); append(new SPARCIndirectCallOp(callTarget.targetMethod(), result, parameters, temps, metaspaceMethod, targetAddress, callState)); } @Override public void emitPatchReturnAddress(ValueNode address) { append(new SPARCHotSpotPatchReturnAddressOp(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 linkageCc = linkage.getOutgoingCallingConvention(); assert linkageCc.getArgumentCount() == 2; RegisterValue exceptionFixed = (RegisterValue) linkageCc.getArgument(0); RegisterValue exceptionPcFixed = (RegisterValue) linkageCc.getArgument(1); gen.emitMove(exceptionFixed, operand(exception)); gen.emitMove(exceptionPcFixed, operand(exceptionPc)); Register thread = getGen().getProviders().getRegisters().getThreadRegister(); SPARCHotSpotJumpToExceptionHandlerInCallerOp op = new SPARCHotSpotJumpToExceptionHandlerInCallerOp(handler, exceptionFixed, exceptionPcFixed, getGen().config.threadIsMethodHandleReturnOffset, thread); append(op); } public void emitPrefetchAllocate(ValueNode address, ValueNode distance) { SPARCAddressValue addr = getGen().emitAddress(operand(address), 0, getGen().loadNonConst(operand(distance)), 1); append(new SPARCPrefetchOp(addr, getGen().config.allocatePrefetchInstr)); } @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); } } }