blob: b6a2b520bc7342ea5f57065f44b2f5b10bf71190 [file] [log] [blame]
/*
* Copyright (c) 2013, 2016, 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 org.graalvm.compiler.hotspot.sparc;
import static org.graalvm.compiler.hotspot.HotSpotBackend.FETCH_UNROLL_INFO;
import static org.graalvm.compiler.hotspot.HotSpotBackend.UNCOMMON_TRAP;
import static org.graalvm.compiler.lir.LIRValueUtil.asConstant;
import static org.graalvm.compiler.lir.LIRValueUtil.isConstantValue;
import static jdk.vm.ci.sparc.SPARC.d32;
import static jdk.vm.ci.sparc.SPARC.d34;
import static jdk.vm.ci.sparc.SPARC.d36;
import static jdk.vm.ci.sparc.SPARC.d38;
import static jdk.vm.ci.sparc.SPARC.d40;
import static jdk.vm.ci.sparc.SPARC.d42;
import static jdk.vm.ci.sparc.SPARC.d44;
import static jdk.vm.ci.sparc.SPARC.d46;
import static jdk.vm.ci.sparc.SPARC.d48;
import static jdk.vm.ci.sparc.SPARC.d50;
import static jdk.vm.ci.sparc.SPARC.d52;
import static jdk.vm.ci.sparc.SPARC.d54;
import static jdk.vm.ci.sparc.SPARC.d56;
import static jdk.vm.ci.sparc.SPARC.d58;
import static jdk.vm.ci.sparc.SPARC.d60;
import static jdk.vm.ci.sparc.SPARC.d62;
import static jdk.vm.ci.sparc.SPARC.f0;
import static jdk.vm.ci.sparc.SPARC.f10;
import static jdk.vm.ci.sparc.SPARC.f12;
import static jdk.vm.ci.sparc.SPARC.f14;
import static jdk.vm.ci.sparc.SPARC.f16;
import static jdk.vm.ci.sparc.SPARC.f18;
import static jdk.vm.ci.sparc.SPARC.f2;
import static jdk.vm.ci.sparc.SPARC.f20;
import static jdk.vm.ci.sparc.SPARC.f22;
import static jdk.vm.ci.sparc.SPARC.f24;
import static jdk.vm.ci.sparc.SPARC.f26;
import static jdk.vm.ci.sparc.SPARC.f28;
import static jdk.vm.ci.sparc.SPARC.f30;
import static jdk.vm.ci.sparc.SPARC.f4;
import static jdk.vm.ci.sparc.SPARC.f6;
import static jdk.vm.ci.sparc.SPARC.f8;
import static jdk.vm.ci.sparc.SPARC.g1;
import static jdk.vm.ci.sparc.SPARC.g3;
import static jdk.vm.ci.sparc.SPARC.g4;
import static jdk.vm.ci.sparc.SPARC.g5;
import static jdk.vm.ci.sparc.SPARCKind.WORD;
import static jdk.vm.ci.sparc.SPARCKind.XWORD;
import java.util.Map;
import org.graalvm.compiler.core.common.LIRKind;
import org.graalvm.compiler.core.common.calc.Condition;
import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
import org.graalvm.compiler.core.common.spi.LIRKindTool;
import org.graalvm.compiler.core.sparc.SPARCArithmeticLIRGenerator;
import org.graalvm.compiler.core.sparc.SPARCLIRGenerator;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.hotspot.CompressEncoding;
import org.graalvm.compiler.hotspot.HotSpotBackend;
import org.graalvm.compiler.hotspot.HotSpotDebugInfoBuilder;
import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage;
import org.graalvm.compiler.hotspot.HotSpotLIRGenerationResult;
import org.graalvm.compiler.hotspot.HotSpotLIRGenerator;
import org.graalvm.compiler.hotspot.HotSpotLockStack;
import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
import org.graalvm.compiler.hotspot.debug.BenchmarkCounters;
import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider;
import org.graalvm.compiler.hotspot.stubs.Stub;
import org.graalvm.compiler.lir.LIRFrameState;
import org.graalvm.compiler.lir.LIRInstruction;
import org.graalvm.compiler.lir.LabelRef;
import org.graalvm.compiler.lir.StandardOp.SaveRegistersOp;
import org.graalvm.compiler.lir.SwitchStrategy;
import org.graalvm.compiler.lir.Variable;
import org.graalvm.compiler.lir.VirtualStackSlot;
import org.graalvm.compiler.lir.gen.LIRGenerationResult;
import org.graalvm.compiler.lir.sparc.SPARCAddressValue;
import org.graalvm.compiler.lir.sparc.SPARCControlFlow.StrategySwitchOp;
import org.graalvm.compiler.lir.sparc.SPARCFrameMapBuilder;
import org.graalvm.compiler.lir.sparc.SPARCImmediateAddressValue;
import org.graalvm.compiler.lir.sparc.SPARCMove.CompareAndSwapOp;
import org.graalvm.compiler.lir.sparc.SPARCMove.NullCheckOp;
import org.graalvm.compiler.lir.sparc.SPARCMove.StoreOp;
import org.graalvm.compiler.lir.sparc.SPARCPrefetchOp;
import org.graalvm.compiler.lir.sparc.SPARCSaveRegistersOp;
import jdk.vm.ci.code.CallingConvention;
import jdk.vm.ci.code.Register;
import jdk.vm.ci.code.RegisterValue;
import jdk.vm.ci.code.StackSlot;
import jdk.vm.ci.hotspot.HotSpotCompressedNullConstant;
import jdk.vm.ci.hotspot.HotSpotObjectConstant;
import jdk.vm.ci.meta.AllocatableValue;
import jdk.vm.ci.meta.Constant;
import jdk.vm.ci.meta.DeoptimizationAction;
import jdk.vm.ci.meta.DeoptimizationReason;
import jdk.vm.ci.meta.JavaConstant;
import jdk.vm.ci.meta.JavaKind;
import jdk.vm.ci.meta.PlatformKind;
import jdk.vm.ci.meta.Value;
import jdk.vm.ci.meta.ValueKind;
import jdk.vm.ci.sparc.SPARC;
import jdk.vm.ci.sparc.SPARCKind;
public class SPARCHotSpotLIRGenerator extends SPARCLIRGenerator implements HotSpotLIRGenerator {
final GraalHotSpotVMConfig config;
private HotSpotDebugInfoBuilder debugInfoBuilder;
private LIRFrameState currentRuntimeCallInfo;
public SPARCHotSpotLIRGenerator(HotSpotProviders providers, GraalHotSpotVMConfig config, LIRGenerationResult lirGenRes) {
this(providers, config, lirGenRes, new ConstantTableBaseProvider());
}
private SPARCHotSpotLIRGenerator(HotSpotProviders providers, GraalHotSpotVMConfig config, LIRGenerationResult lirGenRes, ConstantTableBaseProvider constantTableBaseProvider) {
this(new SPARCHotSpotLIRKindTool(), new SPARCArithmeticLIRGenerator(), new SPARCHotSpotMoveFactory(constantTableBaseProvider), providers, config, lirGenRes, constantTableBaseProvider);
}
public SPARCHotSpotLIRGenerator(LIRKindTool lirKindTool, SPARCArithmeticLIRGenerator arithmeticLIRGen, MoveFactory moveFactory, HotSpotProviders providers, GraalHotSpotVMConfig config,
LIRGenerationResult lirGenRes, ConstantTableBaseProvider constantTableBaseProvider) {
super(lirKindTool, arithmeticLIRGen, moveFactory, providers, lirGenRes, constantTableBaseProvider);
assert config.basicLockSize == 8;
this.config = config;
}
@Override
public HotSpotProviders getProviders() {
return (HotSpotProviders) super.getProviders();
}
/**
* The slot reserved for storing the original return address when a frame is marked for
* deoptimization. The return address slot in the callee is overwritten with the address of a
* deoptimization stub.
*/
private StackSlot deoptimizationRescueSlot;
/**
* Value where the address for safepoint poll is kept.
*/
private AllocatableValue safepointAddressValue;
@Override
public VirtualStackSlot getLockSlot(int lockDepth) {
return getLockStack().makeLockSlot(lockDepth);
}
private HotSpotLockStack getLockStack() {
assert debugInfoBuilder != null && debugInfoBuilder.lockStack() != null;
return debugInfoBuilder.lockStack();
}
@Override
public boolean needOnlyOopMaps() {
// Stubs only need oop maps
return getStub() != null;
}
public Stub getStub() {
return getResult().getStub();
}
@Override
public HotSpotLIRGenerationResult getResult() {
return ((HotSpotLIRGenerationResult) super.getResult());
}
@Override
public void beforeRegisterAllocation() {
super.beforeRegisterAllocation();
boolean hasDebugInfo = getResult().getLIR().hasDebugInfo();
if (hasDebugInfo) {
getResult().setDeoptimizationRescueSlot(((SPARCFrameMapBuilder) getResult().getFrameMapBuilder()).allocateDeoptimizationRescueSlot());
}
getResult().setMaxInterpreterFrameSize(debugInfoBuilder.maxInterpreterFrameSize());
}
@Override
protected void emitForeignCallOp(ForeignCallLinkage linkage, Value result, Value[] arguments, Value[] temps, LIRFrameState info) {
currentRuntimeCallInfo = info;
super.emitForeignCallOp(linkage, result, arguments, temps, info);
}
@Override
public Variable emitForeignCall(ForeignCallLinkage linkage, LIRFrameState state, Value... args) {
HotSpotForeignCallLinkage hotspotLinkage = (HotSpotForeignCallLinkage) linkage;
Variable result;
LIRFrameState debugInfo = null;
if (hotspotLinkage.needsDebugInfo()) {
debugInfo = state;
assert debugInfo != null || getStub() != null;
}
if (linkage.destroysRegisters() || hotspotLinkage.needsJavaFrameAnchor()) {
HotSpotRegistersProvider registers = getProviders().getRegisters();
Register thread = registers.getThreadRegister();
Value threadTemp = newVariable(LIRKind.value(SPARCKind.XWORD));
Register stackPointer = registers.getStackPointerRegister();
Variable spScratch = newVariable(LIRKind.value(target().arch.getWordKind()));
append(new SPARCHotSpotCRuntimeCallPrologueOp(config.threadLastJavaSpOffset(), thread, stackPointer, threadTemp, spScratch));
result = super.emitForeignCall(hotspotLinkage, debugInfo, args);
append(new SPARCHotSpotCRuntimeCallEpilogueOp(config.threadLastJavaSpOffset(), config.threadLastJavaPcOffset(), config.threadJavaFrameAnchorFlagsOffset(), thread, threadTemp));
} else {
result = super.emitForeignCall(hotspotLinkage, debugInfo, args);
}
return result;
}
@Override
public void emitReturn(JavaKind javaKind, Value input) {
AllocatableValue operand = Value.ILLEGAL;
if (input != null) {
operand = resultOperandFor(javaKind, input.getValueKind());
emitMove(operand, input);
}
append(new SPARCHotSpotReturnOp(operand, getStub() != null, config, getSafepointAddressValue()));
}
@Override
public void emitTailcall(Value[] args, Value address) {
throw GraalError.unimplemented();
}
@Override
public void emitUnwind(Value exception) {
ForeignCallLinkage linkage = getForeignCalls().lookupForeignCall(HotSpotBackend.UNWIND_EXCEPTION_TO_CALLER);
CallingConvention linkageCc = linkage.getOutgoingCallingConvention();
assert linkageCc.getArgumentCount() == 2;
RegisterValue exceptionParameter = (RegisterValue) linkageCc.getArgument(0);
emitMove(exceptionParameter, exception);
append(new SPARCHotSpotUnwindOp(exceptionParameter));
}
private void moveDeoptValuesToThread(Value actionAndReason, Value speculation) {
moveValueToThread(actionAndReason, config.pendingDeoptimizationOffset);
moveValueToThread(speculation, config.pendingFailedSpeculationOffset);
}
private void moveValueToThread(Value v, int offset) {
LIRKind wordKind = LIRKind.value(target().arch.getWordKind());
RegisterValue thread = getProviders().getRegisters().getThreadRegister().asValue(wordKind);
SPARCAddressValue pendingDeoptAddress = new SPARCImmediateAddressValue(wordKind, thread, offset);
append(new StoreOp(v.getPlatformKind(), pendingDeoptAddress, load(v), null));
}
@Override
public void emitDeoptimize(Value actionAndReason, Value speculation, LIRFrameState state) {
moveDeoptValuesToThread(actionAndReason, speculation);
append(new SPARCDeoptimizeOp(state, target().arch.getWordKind()));
}
@Override
public void emitDeoptimizeCaller(DeoptimizationAction action, DeoptimizationReason reason) {
Value actionAndReason = emitJavaConstant(getMetaAccess().encodeDeoptActionAndReason(action, reason, 0));
Value nullValue = emitJavaConstant(JavaConstant.NULL_POINTER);
moveDeoptValuesToThread(actionAndReason, nullValue);
append(new SPARCHotSpotDeoptimizeCallerOp());
}
@Override
public Variable emitCompareAndSwap(Value address, Value expectedValue, Value newValue, Value trueValue, Value falseValue) {
ValueKind<?> kind = newValue.getValueKind();
assert kind.equals(expectedValue.getValueKind());
SPARCKind memKind = (SPARCKind) kind.getPlatformKind();
Variable result = newVariable(newValue.getValueKind());
append(new CompareAndSwapOp(result, asAllocatable(address), asAllocatable(expectedValue), asAllocatable(newValue)));
return emitConditionalMove(memKind, expectedValue, result, Condition.EQ, true, trueValue, falseValue);
}
@Override
public void emitPrefetchAllocate(Value address) {
SPARCAddressValue addr = asAddressValue(address);
append(new SPARCPrefetchOp(addr, config.allocatePrefetchInstr));
}
public StackSlot getDeoptimizationRescueSlot() {
return deoptimizationRescueSlot;
}
@Override
public void emitCompareBranch(PlatformKind cmpKind, Value x, Value y, Condition cond, boolean unorderedIsTrue, LabelRef trueDestination, LabelRef falseDestination,
double trueDestinationProbability) {
Value localX = x;
Value localY = y;
if (localX instanceof HotSpotObjectConstant) {
localX = load(localX);
}
if (localY instanceof HotSpotObjectConstant) {
localY = load(localY);
}
super.emitCompareBranch(cmpKind, localX, localY, cond, unorderedIsTrue, trueDestination, falseDestination, trueDestinationProbability);
}
@Override
protected boolean emitCompare(SPARCKind cmpKind, Value a, Value b) {
Value localA = a;
Value localB = b;
if (isConstantValue(a)) {
Constant c = asConstant(a);
if (HotSpotCompressedNullConstant.COMPRESSED_NULL.equals(c)) {
localA = SPARC.g0.asValue(LIRKind.value(WORD));
} else if (c instanceof HotSpotObjectConstant) {
localA = load(localA);
}
}
if (isConstantValue(b)) {
Constant c = asConstant(b);
if (HotSpotCompressedNullConstant.COMPRESSED_NULL.equals(c)) {
localB = SPARC.g0.asValue(LIRKind.value(WORD));
} else if (c instanceof HotSpotObjectConstant) {
localB = load(localB);
}
}
return super.emitCompare(cmpKind, localA, localB);
}
@Override
public Value emitCompress(Value pointer, CompressEncoding encoding, boolean nonNull) {
LIRKind inputKind = pointer.getValueKind(LIRKind.class);
assert inputKind.getPlatformKind() == XWORD : inputKind;
if (inputKind.isReference(0)) {
// oop
Variable result = newVariable(LIRKind.reference(WORD));
append(new SPARCHotSpotMove.CompressPointer(result, asAllocatable(pointer), getProviders().getRegisters().getHeapBaseRegister().asValue(), encoding, nonNull));
return result;
} else {
// metaspace pointer
Variable result = newVariable(LIRKind.value(WORD));
AllocatableValue base = Value.ILLEGAL;
if (encoding.base != 0) {
base = emitLoadConstant(LIRKind.value(XWORD), JavaConstant.forLong(encoding.base));
}
append(new SPARCHotSpotMove.CompressPointer(result, asAllocatable(pointer), base, encoding, nonNull));
return result;
}
}
@Override
public Value emitUncompress(Value pointer, CompressEncoding encoding, boolean nonNull) {
LIRKind inputKind = pointer.getValueKind(LIRKind.class);
assert inputKind.getPlatformKind() == WORD;
if (inputKind.isReference(0)) {
// oop
Variable result = newVariable(LIRKind.reference(XWORD));
append(new SPARCHotSpotMove.UncompressPointer(result, asAllocatable(pointer), getProviders().getRegisters().getHeapBaseRegister().asValue(), encoding, nonNull));
return result;
} else {
// metaspace pointer
Variable result = newVariable(LIRKind.value(XWORD));
AllocatableValue base = Value.ILLEGAL;
if (encoding.base != 0) {
base = emitLoadConstant(LIRKind.value(XWORD), JavaConstant.forLong(encoding.base));
}
append(new SPARCHotSpotMove.UncompressPointer(result, asAllocatable(pointer), base, encoding, nonNull));
return result;
}
}
/**
* @param savedRegisters the registers saved by this operation which may be subject to pruning
* @param savedRegisterLocations the slots to which the registers are saved
* @param supportsRemove determines if registers can be pruned
*/
protected SPARCSaveRegistersOp emitSaveRegisters(Register[] savedRegisters, AllocatableValue[] savedRegisterLocations, boolean supportsRemove) {
SPARCSaveRegistersOp save = new SPARCSaveRegistersOp(savedRegisters, savedRegisterLocations, supportsRemove);
append(save);
return save;
}
@Override
public SaveRegistersOp emitSaveAllRegisters() {
// We save all registers that were not saved by the save instruction.
// @formatter:off
Register[] savedRegisters = {
// CPU
g1, g3, g4, g5,
// FPU, use only every second register as doubles are stored anyways
f0, /*f1, */ f2, /*f3, */ f4, /*f5, */ f6, /*f7, */
f8, /*f9, */ f10, /*f11,*/ f12, /*f13,*/ f14, /*f15,*/
f16, /*f17,*/ f18, /*f19,*/ f20, /*f21,*/ f22, /*f23,*/
f24, /*f25,*/ f26, /*f27,*/ f28, /*f29,*/ f30, /*f31 */
d32, d34, d36, d38,
d40, d42, d44, d46,
d48, d50, d52, d54,
d56, d58, d60, d62
};
// @formatter:on
AllocatableValue[] savedRegisterLocations = new AllocatableValue[savedRegisters.length];
for (int i = 0; i < savedRegisters.length; i++) {
PlatformKind kind = target().arch.getLargestStorableKind(savedRegisters[i].getRegisterCategory());
VirtualStackSlot spillSlot = getResult().getFrameMapBuilder().allocateSpillSlot(LIRKind.value(kind));
savedRegisterLocations[i] = spillSlot;
}
return emitSaveRegisters(savedRegisters, savedRegisterLocations, false);
}
@Override
public void emitLeaveCurrentStackFrame(SaveRegistersOp saveRegisterOp) {
append(new SPARCHotSpotLeaveCurrentStackFrameOp());
}
@Override
public void emitLeaveDeoptimizedStackFrame(Value frameSize, Value initialInfo) {
append(new SPARCHotSpotLeaveDeoptimizedStackFrameOp());
}
@Override
public void emitEnterUnpackFramesStackFrame(Value framePc, Value senderSp, Value senderFp, SaveRegistersOp saveRegisterOp) {
Register thread = getProviders().getRegisters().getThreadRegister();
Variable framePcVariable = load(framePc);
Variable senderSpVariable = load(senderSp);
Variable scratchVariable = newVariable(LIRKind.value(target().arch.getWordKind()));
append(new SPARCHotSpotEnterUnpackFramesStackFrameOp(thread, config.threadLastJavaSpOffset(), config.threadLastJavaPcOffset(), framePcVariable, senderSpVariable, scratchVariable,
target().arch.getWordKind()));
}
@Override
public void emitLeaveUnpackFramesStackFrame(SaveRegistersOp saveRegisterOp) {
Register thread = getProviders().getRegisters().getThreadRegister();
append(new SPARCHotSpotLeaveUnpackFramesStackFrameOp(thread, config.threadLastJavaSpOffset(), config.threadLastJavaPcOffset(), config.threadJavaFrameAnchorFlagsOffset()));
}
@Override
public void emitPushInterpreterFrame(Value frameSize, Value framePc, Value senderSp, Value initialInfo) {
Variable frameSizeVariable = load(frameSize);
Variable framePcVariable = load(framePc);
Variable senderSpVariable = load(senderSp);
Variable initialInfoVariable = load(initialInfo);
append(new SPARCHotSpotPushInterpreterFrameOp(frameSizeVariable, framePcVariable, senderSpVariable, initialInfoVariable));
}
@Override
public Value emitUncommonTrapCall(Value trapRequest, Value mode, SaveRegistersOp saveRegisterOp) {
ForeignCallLinkage linkage = getForeignCalls().lookupForeignCall(UNCOMMON_TRAP);
Register threadRegister = getProviders().getRegisters().getThreadRegister();
Value threadTemp = newVariable(LIRKind.value(target().arch.getWordKind()));
Register stackPointerRegister = getProviders().getRegisters().getStackPointerRegister();
Variable spScratch = newVariable(LIRKind.value(target().arch.getWordKind()));
append(new SPARCHotSpotCRuntimeCallPrologueOp(config.threadLastJavaSpOffset(), threadRegister, stackPointerRegister, threadTemp, spScratch));
Variable result = super.emitForeignCall(linkage, null, threadRegister.asValue(LIRKind.value(target().arch.getWordKind())), trapRequest, mode);
append(new SPARCHotSpotCRuntimeCallEpilogueOp(config.threadLastJavaSpOffset(), config.threadLastJavaPcOffset(), config.threadJavaFrameAnchorFlagsOffset(), threadRegister, threadTemp));
Map<LIRFrameState, SaveRegistersOp> calleeSaveInfo = getResult().getCalleeSaveInfo();
assert currentRuntimeCallInfo != null;
assert !calleeSaveInfo.containsKey(currentRuntimeCallInfo);
calleeSaveInfo.put(currentRuntimeCallInfo, saveRegisterOp);
return result;
}
@Override
public Value emitDeoptimizationFetchUnrollInfoCall(Value mode, SaveRegistersOp saveRegisterOp) {
ForeignCallLinkage linkage = getForeignCalls().lookupForeignCall(FETCH_UNROLL_INFO);
Register threadRegister = getProviders().getRegisters().getThreadRegister();
Value threadTemp = newVariable(LIRKind.value(target().arch.getWordKind()));
Register stackPointerRegister = getProviders().getRegisters().getStackPointerRegister();
Variable spScratch = newVariable(LIRKind.value(target().arch.getWordKind()));
append(new SPARCHotSpotCRuntimeCallPrologueOp(config.threadLastJavaSpOffset(), threadRegister, stackPointerRegister, threadTemp, spScratch));
Variable result = super.emitForeignCall(linkage, null, threadRegister.asValue(LIRKind.value(target().arch.getWordKind())), mode);
append(new SPARCHotSpotCRuntimeCallEpilogueOp(config.threadLastJavaSpOffset(), config.threadLastJavaPcOffset(), config.threadJavaFrameAnchorFlagsOffset(), threadRegister, threadTemp));
Map<LIRFrameState, SaveRegistersOp> calleeSaveInfo = getResult().getCalleeSaveInfo();
assert currentRuntimeCallInfo != null;
assert !calleeSaveInfo.containsKey(currentRuntimeCallInfo);
calleeSaveInfo.put(currentRuntimeCallInfo, saveRegisterOp);
return result;
}
@Override
public void emitNullCheck(Value address, LIRFrameState state) {
PlatformKind kind = address.getPlatformKind();
if (kind == WORD) {
CompressEncoding encoding = config.getOopEncoding();
Value uncompressed = emitUncompress(address, encoding, false);
append(new NullCheckOp(asAddressValue(uncompressed), state));
} else {
super.emitNullCheck(address, state);
}
}
@Override
public LIRInstruction createBenchmarkCounter(String name, String group, Value increment) {
if (BenchmarkCounters.enabled) {
return new SPARCHotSpotCounterOp(name, group, increment, getProviders().getRegisters(), config);
}
throw GraalError.shouldNotReachHere("BenchmarkCounters are not enabled!");
}
@Override
public LIRInstruction createMultiBenchmarkCounter(String[] names, String[] groups, Value[] increments) {
if (BenchmarkCounters.enabled) {
return new SPARCHotSpotCounterOp(names, groups, increments, getProviders().getRegisters(), config);
}
throw GraalError.shouldNotReachHere("BenchmarkCounters are not enabled!");
}
public AllocatableValue getSafepointAddressValue() {
if (this.safepointAddressValue == null) {
this.safepointAddressValue = newVariable(LIRKind.value(target().arch.getWordKind()));
}
return this.safepointAddressValue;
}
@Override
protected StrategySwitchOp createStrategySwitchOp(AllocatableValue base, SwitchStrategy strategy, LabelRef[] keyTargets, LabelRef defaultTarget, Variable key, AllocatableValue scratchValue) {
return new SPARCHotSpotStrategySwitchOp(base, strategy, keyTargets, defaultTarget, key, scratchValue);
}
public void setDebugInfoBuilder(HotSpotDebugInfoBuilder debugInfoBuilder) {
this.debugInfoBuilder = debugInfoBuilder;
}
@Override
public SaveRegistersOp createZapRegisters(Register[] zappedRegisters, JavaConstant[] zapValues) {
throw GraalError.unimplemented();
}
@Override
public LIRInstruction createZapArgumentSpace(StackSlot[] zappedStack, JavaConstant[] zapValues) {
throw GraalError.unimplemented();
}
}