/*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#include "Arguments.h"
#include "CodeBlock.h"
-#include "JITInlineMethods.h"
+#include "JITInlines.h"
#include "JITStubCall.h"
#include "JSArray.h"
#include "JSFunction.h"
#include "Interpreter.h"
+#include "Operations.h"
+#include "RepatchBuffer.h"
#include "ResultType.h"
#include "SamplingTool.h"
+#include "ThunkGenerators.h"
+#include <wtf/StringPrintStream.h>
#ifndef NDEBUG
#include <stdio.h>
int dst = instruction[1].u.operand;
emitValueProfilingSite();
emitPutVirtualRegister(dst);
- if (canBeOptimized())
+ if (canBeOptimizedOrInlined())
killLastResultRegister(); // Make lastResultRegister tracking simpler in the DFG.
}
JumpList slowCase;
JumpList end;
- if (m_codeBlock->usesArguments() && arguments == m_codeBlock->argumentsRegister()) {
+ bool canOptimize = m_codeBlock->usesArguments()
+ && arguments == m_codeBlock->argumentsRegister()
+ && !m_codeBlock->symbolTable()->slowArguments();
+
+ if (canOptimize) {
emitGetVirtualRegister(arguments, regT0);
- slowCase.append(branchPtr(NotEqual, regT0, TrustedImmPtr(JSValue::encode(JSValue()))));
+ slowCase.append(branch64(NotEqual, regT0, TrustedImm64(JSValue::encode(JSValue()))));
- emitGetFromCallFrameHeader32(RegisterFile::ArgumentCount, regT0);
+ emitGetFromCallFrameHeader32(JSStack::ArgumentCount, regT0);
slowCase.append(branch32(Above, regT0, TrustedImm32(Arguments::MaxArguments + 1)));
// regT0: argumentCountIncludingThis
move(regT0, regT1);
- add32(TrustedImm32(firstFreeRegister + RegisterFile::CallFrameHeaderSize), regT1);
+ add32(TrustedImm32(firstFreeRegister + JSStack::CallFrameHeaderSize), regT1);
lshift32(TrustedImm32(3), regT1);
addPtr(callFrameRegister, regT1);
// regT1: newCallFrame
- slowCase.append(branchPtr(Below, AbsoluteAddress(m_globalData->interpreter->registerFile().addressOfEnd()), regT1));
+ slowCase.append(branchPtr(Below, AbsoluteAddress(m_vm->interpreter->stack().addressOfEnd()), regT1));
// Initialize ArgumentCount.
- store32(regT0, Address(regT1, RegisterFile::ArgumentCount * static_cast<int>(sizeof(Register)) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
+ store32(regT0, Address(regT1, JSStack::ArgumentCount * static_cast<int>(sizeof(Register)) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
// Initialize 'this'.
emitGetVirtualRegister(thisValue, regT2);
- storePtr(regT2, Address(regT1, CallFrame::thisArgumentOffset() * static_cast<int>(sizeof(Register))));
+ store64(regT2, Address(regT1, CallFrame::thisArgumentOffset() * static_cast<int>(sizeof(Register))));
// Copy arguments.
neg32(regT0);
signExtend32ToPtr(regT0, regT0);
- end.append(branchAddPtr(Zero, TrustedImm32(1), regT0));
+ end.append(branchAdd64(Zero, TrustedImm32(1), regT0));
// regT0: -argumentCount
Label copyLoop = label();
- loadPtr(BaseIndex(callFrameRegister, regT0, TimesEight, CallFrame::thisArgumentOffset() * static_cast<int>(sizeof(Register))), regT2);
- storePtr(regT2, BaseIndex(regT1, regT0, TimesEight, CallFrame::thisArgumentOffset() * static_cast<int>(sizeof(Register))));
- branchAddPtr(NonZero, TrustedImm32(1), regT0).linkTo(copyLoop, this);
+ load64(BaseIndex(callFrameRegister, regT0, TimesEight, CallFrame::thisArgumentOffset() * static_cast<int>(sizeof(Register))), regT2);
+ store64(regT2, BaseIndex(regT1, regT0, TimesEight, CallFrame::thisArgumentOffset() * static_cast<int>(sizeof(Register))));
+ branchAdd64(NonZero, TrustedImm32(1), regT0).linkTo(copyLoop, this);
end.append(jump());
}
- if (m_codeBlock->usesArguments() && arguments == m_codeBlock->argumentsRegister())
+ if (canOptimize)
slowCase.link(this);
JITStubCall stubCall(this, cti_op_load_varargs);
stubCall.addArgument(Imm32(firstFreeRegister));
stubCall.call(regT1);
- if (m_codeBlock->usesArguments() && arguments == m_codeBlock->argumentsRegister())
+ if (canOptimize)
end.link(this);
}
{
JITStubCall stubCall(this, cti_op_call_eval); // Initializes ScopeChain; ReturnPC; CodeBlock.
stubCall.call();
- addSlowCase(branchPtr(Equal, regT0, TrustedImmPtr(JSValue::encode(JSValue()))));
- emitGetFromCallFrameHeaderPtr(RegisterFile::CallerFrame, callFrameRegister);
+ addSlowCase(branch64(Equal, regT0, TrustedImm64(JSValue::encode(JSValue()))));
+ emitGetFromCallFrameHeaderPtr(JSStack::CallerFrame, callFrameRegister);
sampleCodeBlock(m_codeBlock);
}
{
linkSlowCase(iter);
- emitGetFromCallFrameHeaderPtr(RegisterFile::Callee, regT0);
- emitNakedCall(m_globalData->jitStubs->ctiVirtualCall());
+ emitGetFromCallFrameHeader64(JSStack::Callee, regT0);
+ emitNakedCall(m_vm->getCTIStub(virtualCallGenerator).code());
sampleCodeBlock(m_codeBlock);
}
int argCount = instruction[2].u.operand;
int registerOffset = instruction[3].u.operand;
+ if (opcodeID == op_call && shouldEmitProfiling()) {
+ emitGetVirtualRegister(registerOffset + CallFrame::argumentOffsetIncludingThis(0), regT0);
+ Jump done = emitJumpIfNotJSCell(regT0);
+ loadPtr(Address(regT0, JSCell::structureOffset()), regT0);
+ storePtr(regT0, instruction[5].u.arrayProfile->addressOfLastSeenStructure());
+ done.link(this);
+ }
+
addPtr(TrustedImm32(registerOffset * sizeof(Register)), callFrameRegister, regT1);
- store32(TrustedImm32(argCount), Address(regT1, RegisterFile::ArgumentCount * static_cast<int>(sizeof(Register)) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
+ store32(TrustedImm32(argCount), Address(regT1, JSStack::ArgumentCount * static_cast<int>(sizeof(Register)) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
} // regT1 holds newCallFrame with ArgumentCount initialized.
- store32(TrustedImm32(instruction - m_codeBlock->instructions().begin()), Address(callFrameRegister, RegisterFile::ArgumentCount * static_cast<int>(sizeof(Register)) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
+ store32(TrustedImm32(instruction - m_codeBlock->instructions().begin()), Address(callFrameRegister, JSStack::ArgumentCount * static_cast<int>(sizeof(Register)) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
emitGetVirtualRegister(callee, regT0); // regT0 holds callee.
- storePtr(callFrameRegister, Address(regT1, RegisterFile::CallerFrame * static_cast<int>(sizeof(Register))));
- storePtr(regT0, Address(regT1, RegisterFile::Callee * static_cast<int>(sizeof(Register))));
+ store64(callFrameRegister, Address(regT1, JSStack::CallerFrame * static_cast<int>(sizeof(Register))));
+ store64(regT0, Address(regT1, JSStack::Callee * static_cast<int>(sizeof(Register))));
move(regT1, callFrameRegister);
if (opcodeID == op_call_eval) {
DataLabelPtr addressOfLinkedFunctionCheck;
BEGIN_UNINTERRUPTED_SEQUENCE(sequenceOpCall);
- Jump slowCase = branchPtrWithPatch(NotEqual, regT0, addressOfLinkedFunctionCheck, TrustedImmPtr(JSValue::encode(JSValue())));
+ Jump slowCase = branchPtrWithPatch(NotEqual, regT0, addressOfLinkedFunctionCheck, TrustedImmPtr(0));
END_UNINTERRUPTED_SEQUENCE(sequenceOpCall);
addSlowCase(slowCase);
m_callStructureStubCompilationInfo[callLinkInfoIndex].callType = CallLinkInfo::callTypeFor(opcodeID);
m_callStructureStubCompilationInfo[callLinkInfoIndex].bytecodeIndex = m_bytecodeOffset;
- loadPtr(Address(regT0, OBJECT_OFFSETOF(JSFunction, m_scopeChain)), regT1);
- emitPutToCallFrameHeader(regT1, RegisterFile::ScopeChain);
+ loadPtr(Address(regT0, OBJECT_OFFSETOF(JSFunction, m_scope)), regT1);
+ emitPutToCallFrameHeader(regT1, JSStack::ScopeChain);
m_callStructureStubCompilationInfo[callLinkInfoIndex].hotPathOther = emitNakedCall();
sampleCodeBlock(m_codeBlock);
linkSlowCase(iter);
- m_callStructureStubCompilationInfo[callLinkInfoIndex].callReturnLocation = emitNakedCall(opcodeID == op_construct ? m_globalData->jitStubs->ctiVirtualConstructLink() : m_globalData->jitStubs->ctiVirtualCallLink());
+ m_callStructureStubCompilationInfo[callLinkInfoIndex].callReturnLocation = emitNakedCall(opcodeID == op_construct ? m_vm->getCTIStub(linkConstructGenerator).code() : m_vm->getCTIStub(linkCallGenerator).code());
sampleCodeBlock(m_codeBlock);
}
+void JIT::privateCompileClosureCall(CallLinkInfo* callLinkInfo, CodeBlock* calleeCodeBlock, Structure* expectedStructure, ExecutableBase* expectedExecutable, MacroAssemblerCodePtr codePtr)
+{
+ JumpList slowCases;
+
+ slowCases.append(branchTestPtr(NonZero, regT0, tagMaskRegister));
+ slowCases.append(branchPtr(NotEqual, Address(regT0, JSCell::structureOffset()), TrustedImmPtr(expectedStructure)));
+ slowCases.append(branchPtr(NotEqual, Address(regT0, JSFunction::offsetOfExecutable()), TrustedImmPtr(expectedExecutable)));
+
+ loadPtr(Address(regT0, JSFunction::offsetOfScopeChain()), regT1);
+ emitPutToCallFrameHeader(regT1, JSStack::ScopeChain);
+
+ Call call = nearCall();
+ Jump done = jump();
+
+ slowCases.link(this);
+ move(TrustedImmPtr(callLinkInfo->callReturnLocation.executableAddress()), regT2);
+ restoreReturnAddressBeforeReturn(regT2);
+ Jump slow = jump();
+
+ LinkBuffer patchBuffer(*m_vm, this, m_codeBlock);
+
+ patchBuffer.link(call, FunctionPtr(codePtr.executableAddress()));
+ patchBuffer.link(done, callLinkInfo->hotPathOther.labelAtOffset(0));
+ patchBuffer.link(slow, CodeLocationLabel(m_vm->getCTIStub(virtualCallGenerator).code()));
+
+ RefPtr<ClosureCallStubRoutine> stubRoutine = adoptRef(new ClosureCallStubRoutine(
+ FINALIZE_CODE(
+ patchBuffer,
+ ("Baseline closure call stub for %s, return point %p, target %p (%s)",
+ toCString(*m_codeBlock).data(),
+ callLinkInfo->hotPathOther.labelAtOffset(0).executableAddress(),
+ codePtr.executableAddress(),
+ toCString(pointerDump(calleeCodeBlock)).data())),
+ *m_vm, m_codeBlock->ownerExecutable(), expectedStructure, expectedExecutable,
+ callLinkInfo->codeOrigin));
+
+ RepatchBuffer repatchBuffer(m_codeBlock);
+
+ repatchBuffer.replaceWithJump(
+ RepatchBuffer::startOfBranchPtrWithPatchOnRegister(callLinkInfo->hotPathBegin),
+ CodeLocationLabel(stubRoutine->code().code()));
+ repatchBuffer.relink(callLinkInfo->callReturnLocation, m_vm->getCTIStub(virtualCallGenerator).code());
+
+ callLinkInfo->stub = stubRoutine.release();
+}
+
} // namespace JSC
#endif // USE(JSVALUE64)
projects / apple / javascriptcore.git / blobdiff