/*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2012, 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
#ifndef JIT_h
#define JIT_h
-#include <wtf/Platform.h>
-#include <bytecode/SamplingTool.h>
-
#if ENABLE(JIT)
-#define WTF_USE_CTI_REPATCH_PIC 1
+// Verbose logging of code generation
+#define ENABLE_JIT_VERBOSE 0
+// Verbose logging for OSR-related code.
+#define ENABLE_JIT_VERBOSE_OSR 0
-#include "Interpreter.h"
-#include "Opcode.h"
-#include "RegisterFile.h"
-#include "MacroAssembler.h"
-#include "Profiler.h"
-#include <wtf/AlwaysInline.h>
-#include <wtf/Vector.h>
-
-#if PLATFORM(X86_64)
-#define STUB_ARGS_offset 0x10
+// We've run into some problems where changing the size of the class JIT leads to
+// performance fluctuations. Try forcing alignment in an attempt to stabalize this.
+#if COMPILER(GCC)
+#define JIT_CLASS_ALIGNMENT __attribute__ ((aligned (32)))
#else
-#define STUB_ARGS_offset 0x0C
+#define JIT_CLASS_ALIGNMENT
#endif
-#define STUB_ARGS_code (STUB_ARGS_offset)
-#define STUB_ARGS_registerFile (STUB_ARGS_offset + 1)
-#define STUB_ARGS_callFrame (STUB_ARGS_offset + 2)
-#define STUB_ARGS_exception (STUB_ARGS_offset + 3)
-#define STUB_ARGS_profilerReference (STUB_ARGS_offset + 4)
-#define STUB_ARGS_globalData (STUB_ARGS_offset + 5)
-
-#define ARG_callFrame static_cast<CallFrame*>(ARGS[STUB_ARGS_callFrame])
-#define ARG_registerFile static_cast<RegisterFile*>(ARGS[STUB_ARGS_registerFile])
-#define ARG_exception static_cast<JSValuePtr*>(ARGS[STUB_ARGS_exception])
-#define ARG_profilerReference static_cast<Profiler**>(ARGS[STUB_ARGS_profilerReference])
-#define ARG_globalData static_cast<JSGlobalData*>(ARGS[STUB_ARGS_globalData])
-
-#define ARG_setCallFrame(newCallFrame) (ARGS[STUB_ARGS_callFrame] = (newCallFrame))
-
-#define ARG_src1 JSValuePtr::decode(static_cast<JSValueEncodedAsPointer*>(ARGS[1]))
-#define ARG_src2 JSValuePtr::decode(static_cast<JSValueEncodedAsPointer*>(ARGS[2]))
-#define ARG_src3 JSValuePtr::decode(static_cast<JSValueEncodedAsPointer*>(ARGS[3]))
-#define ARG_src4 JSValuePtr::decode(static_cast<JSValueEncodedAsPointer*>(ARGS[4]))
-#define ARG_src5 JSValuePtr::decode(static_cast<JSValueEncodedAsPointer*>(ARGS[5]))
-#define ARG_id1 static_cast<Identifier*>(ARGS[1])
-#define ARG_id2 static_cast<Identifier*>(ARGS[2])
-#define ARG_id3 static_cast<Identifier*>(ARGS[3])
-#define ARG_id4 static_cast<Identifier*>(ARGS[4])
-#define ARG_int1 static_cast<int32_t>(reinterpret_cast<intptr_t>(ARGS[1]))
-#define ARG_int2 static_cast<int32_t>(reinterpret_cast<intptr_t>(ARGS[2]))
-#define ARG_int3 static_cast<int32_t>(reinterpret_cast<intptr_t>(ARGS[3]))
-#define ARG_int4 static_cast<int32_t>(reinterpret_cast<intptr_t>(ARGS[4]))
-#define ARG_int5 static_cast<int32_t>(reinterpret_cast<intptr_t>(ARGS[5]))
-#define ARG_int6 static_cast<int32_t>(reinterpret_cast<intptr_t>(ARGS[6]))
-#define ARG_func1 static_cast<FuncDeclNode*>(ARGS[1])
-#define ARG_funcexp1 static_cast<FuncExprNode*>(ARGS[1])
-#define ARG_regexp1 static_cast<RegExp*>(ARGS[1])
-#define ARG_pni1 static_cast<JSPropertyNameIterator*>(ARGS[1])
-#define ARG_returnAddress2 static_cast<void*>(ARGS[2])
-#define ARG_codeBlock4 static_cast<CodeBlock*>(ARGS[4])
-
-#define STUB_RETURN_ADDRESS_SLOT (ARGS[-1])
+#define ASSERT_JIT_OFFSET(actual, expected) ASSERT_WITH_MESSAGE(actual == expected, "JIT Offset \"%s\" should be %d, not %d.\n", #expected, static_cast<int>(expected), static_cast<int>(actual));
+
+#include "CodeBlock.h"
+#include "CompactJITCodeMap.h"
+#include "Interpreter.h"
+#include "JITDisassembler.h"
+#include "JSInterfaceJIT.h"
+#include "LegacyProfiler.h"
+#include "Opcode.h"
+#include "ResultType.h"
+#include "UnusedPointer.h"
+#include <bytecode/SamplingTool.h>
namespace JSC {
class CodeBlock;
+ class FunctionExecutable;
+ class JIT;
class JSPropertyNameIterator;
class Interpreter;
+ class JSScope;
+ class JSStack;
+ class MarkedAllocator;
class Register;
- class RegisterFile;
- class ScopeChainNode;
- class SimpleJumpTable;
- class StringJumpTable;
class StructureChain;
struct CallLinkInfo;
struct Instruction;
struct OperandTypes;
struct PolymorphicAccessStructureList;
+ struct SimpleJumpTable;
+ struct StringJumpTable;
struct StructureStubInfo;
- typedef JSValueEncodedAsPointer* (JIT_STUB *CTIHelper_j)(STUB_ARGS);
- typedef JSObject* (JIT_STUB *CTIHelper_o)(STUB_ARGS);
- typedef JSPropertyNameIterator* (JIT_STUB *CTIHelper_p)(STUB_ARGS);
- typedef void (JIT_STUB *CTIHelper_v)(STUB_ARGS);
- typedef void* (JIT_STUB *CTIHelper_s)(STUB_ARGS);
- typedef int (JIT_STUB *CTIHelper_b)(STUB_ARGS);
- typedef VoidPtrPair (JIT_STUB *CTIHelper_2)(STUB_ARGS);
-
struct CallRecord {
- MacroAssembler::Jump from;
- unsigned bytecodeIndex;
+ MacroAssembler::Call from;
+ unsigned bytecodeOffset;
void* to;
CallRecord()
{
}
- CallRecord(MacroAssembler::Jump from, unsigned bytecodeIndex, void* to = 0)
+ CallRecord(MacroAssembler::Call from, unsigned bytecodeOffset, void* to = 0)
: from(from)
- , bytecodeIndex(bytecodeIndex)
+ , bytecodeOffset(bytecodeOffset)
, to(to)
{
}
struct JumpTable {
MacroAssembler::Jump from;
- unsigned toBytecodeIndex;
+ unsigned toBytecodeOffset;
JumpTable(MacroAssembler::Jump f, unsigned t)
: from(f)
- , toBytecodeIndex(t)
+ , toBytecodeOffset(t)
{
}
};
StringJumpTable* stringJumpTable;
} jumpTable;
- unsigned bytecodeIndex;
+ unsigned bytecodeOffset;
unsigned defaultOffset;
- SwitchRecord(SimpleJumpTable* jumpTable, unsigned bytecodeIndex, unsigned defaultOffset, Type type)
+ SwitchRecord(SimpleJumpTable* jumpTable, unsigned bytecodeOffset, unsigned defaultOffset, Type type)
: type(type)
- , bytecodeIndex(bytecodeIndex)
+ , bytecodeOffset(bytecodeOffset)
, defaultOffset(defaultOffset)
{
this->jumpTable.simpleJumpTable = jumpTable;
}
- SwitchRecord(StringJumpTable* jumpTable, unsigned bytecodeIndex, unsigned defaultOffset)
+ SwitchRecord(StringJumpTable* jumpTable, unsigned bytecodeOffset, unsigned defaultOffset)
: type(String)
- , bytecodeIndex(bytecodeIndex)
+ , bytecodeOffset(bytecodeOffset)
, defaultOffset(defaultOffset)
{
this->jumpTable.stringJumpTable = jumpTable;
}
};
+ enum PropertyStubGetById_T { PropertyStubGetById };
+ enum PropertyStubPutById_T { PropertyStubPutById };
+
struct PropertyStubCompilationInfo {
- MacroAssembler::Jump callReturnLocation;
+ enum Type { GetById, PutById } m_type;
+
+ unsigned bytecodeIndex;
+ MacroAssembler::Call callReturnLocation;
MacroAssembler::Label hotPathBegin;
- };
-
- struct StructureStubCompilationInfo {
- MacroAssembler::DataLabelPtr hotPathBegin;
- MacroAssembler::Jump hotPathOther;
- MacroAssembler::Jump callReturnLocation;
- MacroAssembler::Label coldPathOther;
- };
-
- extern "C" {
- JSValueEncodedAsPointer* ctiTrampoline(
-#if PLATFORM(X86_64)
- // FIXME: (bug #22910) this will force all arguments onto the stack (regparm(0) does not appear to have any effect).
- // We can allow register passing here, and move the writes of these values into the trampoline.
- void*, void*, void*, void*, void*, void*,
+ MacroAssembler::DataLabelPtr getStructureToCompare;
+ MacroAssembler::PatchableJump getStructureCheck;
+ MacroAssembler::ConvertibleLoadLabel propertyStorageLoad;
+#if USE(JSVALUE64)
+ MacroAssembler::DataLabelCompact getDisplacementLabel;
+#else
+ MacroAssembler::DataLabelCompact getDisplacementLabel1;
+ MacroAssembler::DataLabelCompact getDisplacementLabel2;
#endif
- void* code, RegisterFile*, CallFrame*, JSValuePtr* exception, Profiler**, JSGlobalData*);
- void ctiVMThrowTrampoline();
- };
-
- void ctiSetReturnAddress(void** where, void* what);
- void ctiPatchCallByReturnAddress(void* where, void* what);
-
- class JIT : private MacroAssembler {
- using MacroAssembler::Jump;
- using MacroAssembler::JumpList;
- using MacroAssembler::Label;
-
-#if PLATFORM(X86_64)
- static const RegisterID timeoutCheckRegister = X86::r12;
- static const RegisterID callFrameRegister = X86::r13;
- static const RegisterID tagTypeNumberRegister = X86::r14;
- static const RegisterID tagMaskRegister = X86::r15;
+ MacroAssembler::Label getPutResult;
+ MacroAssembler::Label getColdPathBegin;
+ MacroAssembler::DataLabelPtr putStructureToCompare;
+#if USE(JSVALUE64)
+ MacroAssembler::DataLabel32 putDisplacementLabel;
#else
- static const RegisterID timeoutCheckRegister = X86::esi;
- static const RegisterID callFrameRegister = X86::edi;
+ MacroAssembler::DataLabel32 putDisplacementLabel1;
+ MacroAssembler::DataLabel32 putDisplacementLabel2;
#endif
- static const int patchGetByIdDefaultStructure = -1;
- // Magic number - initial offset cannot be representable as a signed 8bit value, or the X86Assembler
- // will compress the displacement, and we may not be able to fit a patched offset.
- static const int patchGetByIdDefaultOffset = 256;
+#if !ASSERT_DISABLED
+ PropertyStubCompilationInfo()
+ : bytecodeIndex(std::numeric_limits<unsigned>::max())
+ {
+ }
+#endif
-#if USE(JIT_STUB_ARGUMENT_REGISTER)
-#if PLATFORM(X86_64)
- static const int ctiArgumentInitSize = 6;
+
+ PropertyStubCompilationInfo(
+ PropertyStubGetById_T, unsigned bytecodeIndex, MacroAssembler::Label hotPathBegin,
+ MacroAssembler::DataLabelPtr structureToCompare,
+ MacroAssembler::PatchableJump structureCheck,
+ MacroAssembler::ConvertibleLoadLabel propertyStorageLoad,
+#if USE(JSVALUE64)
+ MacroAssembler::DataLabelCompact displacementLabel,
#else
- static const int ctiArgumentInitSize = 2;
+ MacroAssembler::DataLabelCompact displacementLabel1,
+ MacroAssembler::DataLabelCompact displacementLabel2,
#endif
-#elif USE(JIT_STUB_ARGUMENT_STACK)
- static const int ctiArgumentInitSize = 4;
-#else // JIT_STUB_ARGUMENT_VA_LIST
- static const int ctiArgumentInitSize = 0;
+ MacroAssembler::Label putResult)
+ : m_type(GetById)
+ , bytecodeIndex(bytecodeIndex)
+ , hotPathBegin(hotPathBegin)
+ , getStructureToCompare(structureToCompare)
+ , getStructureCheck(structureCheck)
+ , propertyStorageLoad(propertyStorageLoad)
+#if USE(JSVALUE64)
+ , getDisplacementLabel(displacementLabel)
+#else
+ , getDisplacementLabel1(displacementLabel1)
+ , getDisplacementLabel2(displacementLabel2)
#endif
+ , getPutResult(putResult)
+ {
+ }
-#if PLATFORM(X86_64)
- // These architecture specific value are used to enable patching - see comment on op_put_by_id.
- static const int patchOffsetPutByIdStructure = 10;
- static const int patchOffsetPutByIdPropertyMapOffset = 31;
- // These architecture specific value are used to enable patching - see comment on op_get_by_id.
- static const int patchOffsetGetByIdStructure = 10;
- static const int patchOffsetGetByIdBranchToSlowCase = 20;
- static const int patchOffsetGetByIdPropertyMapOffset = 31;
- static const int patchOffsetGetByIdPutResult = 31;
-#if ENABLE(OPCODE_SAMPLING)
- static const int patchOffsetGetByIdSlowCaseCall = 53 + ctiArgumentInitSize;
+ PropertyStubCompilationInfo(
+ PropertyStubPutById_T, unsigned bytecodeIndex, MacroAssembler::Label hotPathBegin,
+ MacroAssembler::DataLabelPtr structureToCompare,
+ MacroAssembler::ConvertibleLoadLabel propertyStorageLoad,
+#if USE(JSVALUE64)
+ MacroAssembler::DataLabel32 displacementLabel
#else
- static const int patchOffsetGetByIdSlowCaseCall = 30 + ctiArgumentInitSize;
+ MacroAssembler::DataLabel32 displacementLabel1,
+ MacroAssembler::DataLabel32 displacementLabel2
#endif
- static const int patchOffsetOpCallCompareToJump = 9;
-#else
- // These architecture specific value are used to enable patching - see comment on op_put_by_id.
- static const int patchOffsetPutByIdStructure = 7;
- static const int patchOffsetPutByIdPropertyMapOffset = 22;
- // These architecture specific value are used to enable patching - see comment on op_get_by_id.
- static const int patchOffsetGetByIdStructure = 7;
- static const int patchOffsetGetByIdBranchToSlowCase = 13;
- static const int patchOffsetGetByIdPropertyMapOffset = 22;
- static const int patchOffsetGetByIdPutResult = 22;
-#if ENABLE(OPCODE_SAMPLING)
- static const int patchOffsetGetByIdSlowCaseCall = 31 + ctiArgumentInitSize;
+ )
+ : m_type(PutById)
+ , bytecodeIndex(bytecodeIndex)
+ , hotPathBegin(hotPathBegin)
+ , propertyStorageLoad(propertyStorageLoad)
+ , putStructureToCompare(structureToCompare)
+#if USE(JSVALUE64)
+ , putDisplacementLabel(displacementLabel)
#else
- static const int patchOffsetGetByIdSlowCaseCall = 21 + ctiArgumentInitSize;
-#endif
- static const int patchOffsetOpCallCompareToJump = 6;
+ , putDisplacementLabel1(displacementLabel1)
+ , putDisplacementLabel2(displacementLabel2)
#endif
+ {
+ }
- public:
- static void compile(JSGlobalData* globalData, CodeBlock* codeBlock)
+ void slowCaseInfo(PropertyStubGetById_T, MacroAssembler::Label coldPathBegin, MacroAssembler::Call call)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompile();
+ ASSERT(m_type == GetById);
+ callReturnLocation = call;
+ getColdPathBegin = coldPathBegin;
}
- static void compileGetByIdSelf(JSGlobalData* globalData, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, size_t cachedOffset, void* returnAddress)
+ void slowCaseInfo(PropertyStubPutById_T, MacroAssembler::Call call)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompileGetByIdSelf(stubInfo, structure, cachedOffset, returnAddress);
+ ASSERT(m_type == PutById);
+ callReturnLocation = call;
}
- static void compileGetByIdProto(JSGlobalData* globalData, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, Structure* prototypeStructure, size_t cachedOffset, void* returnAddress)
+ void copyToStubInfo(StructureStubInfo& info, LinkBuffer &patchBuffer);
+ };
+
+ struct ByValCompilationInfo {
+ ByValCompilationInfo() { }
+
+ ByValCompilationInfo(unsigned bytecodeIndex, MacroAssembler::PatchableJump badTypeJump, JITArrayMode arrayMode, MacroAssembler::Label doneTarget)
+ : bytecodeIndex(bytecodeIndex)
+ , badTypeJump(badTypeJump)
+ , arrayMode(arrayMode)
+ , doneTarget(doneTarget)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompileGetByIdProto(stubInfo, structure, prototypeStructure, cachedOffset, returnAddress, callFrame);
}
+
+ unsigned bytecodeIndex;
+ MacroAssembler::PatchableJump badTypeJump;
+ JITArrayMode arrayMode;
+ MacroAssembler::Label doneTarget;
+ MacroAssembler::Label slowPathTarget;
+ MacroAssembler::Call returnAddress;
+ };
+
+ struct StructureStubCompilationInfo {
+ MacroAssembler::DataLabelPtr hotPathBegin;
+ MacroAssembler::Call hotPathOther;
+ MacroAssembler::Call callReturnLocation;
+ CallLinkInfo::CallType callType;
+ unsigned bytecodeIndex;
+ };
+
+ // Near calls can only be patched to other JIT code, regular calls can be patched to JIT code or relinked to stub functions.
+ void ctiPatchNearCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, MacroAssemblerCodePtr newCalleeFunction);
+ void ctiPatchCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, MacroAssemblerCodePtr newCalleeFunction);
+ void ctiPatchCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, FunctionPtr newCalleeFunction);
+
+ class JIT : private JSInterfaceJIT {
+ friend class JITStubCall;
+ friend struct PropertyStubCompilationInfo;
+
+ using MacroAssembler::Jump;
+ using MacroAssembler::JumpList;
+ using MacroAssembler::Label;
+
+ static const uintptr_t patchGetByIdDefaultStructure = unusedPointer;
+ static const int patchGetByIdDefaultOffset = 0;
+ // Magic number - initial offset cannot be representable as a signed 8bit value, or the X86Assembler
+ // will compress the displacement, and we may not be able to fit a patched offset.
+ static const int patchPutByIdDefaultOffset = 256;
-#if USE(CTI_REPATCH_PIC)
- static void compileGetByIdSelfList(JSGlobalData* globalData, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* polymorphicStructures, int currentIndex, Structure* structure, size_t cachedOffset)
+ public:
+ static JITCode compile(VM* vm, CodeBlock* codeBlock, JITCompilationEffort effort, CodePtr* functionEntryArityCheck = 0)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompileGetByIdSelfList(stubInfo, polymorphicStructures, currentIndex, structure, cachedOffset);
+ return JIT(vm, codeBlock).privateCompile(functionEntryArityCheck, effort);
}
- static void compileGetByIdProtoList(JSGlobalData* globalData, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* prototypeStructureList, int currentIndex, Structure* structure, Structure* prototypeStructure, size_t cachedOffset)
+
+ static void compileClosureCall(VM* vm, CallLinkInfo* callLinkInfo, CodeBlock* callerCodeBlock, CodeBlock* calleeCodeBlock, Structure* expectedStructure, ExecutableBase* expectedExecutable, MacroAssemblerCodePtr codePtr)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompileGetByIdProtoList(stubInfo, prototypeStructureList, currentIndex, structure, prototypeStructure, cachedOffset, callFrame);
+ JIT jit(vm, callerCodeBlock);
+ jit.m_bytecodeOffset = callLinkInfo->codeOrigin.bytecodeIndex;
+ jit.privateCompileClosureCall(callLinkInfo, calleeCodeBlock, expectedStructure, expectedExecutable, codePtr);
}
- static void compileGetByIdChainList(JSGlobalData* globalData, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* prototypeStructureList, int currentIndex, Structure* structure, StructureChain* chain, size_t count, size_t cachedOffset)
+
+ static void compileGetByIdProto(VM* vm, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, Structure* prototypeStructure, const Identifier& ident, const PropertySlot& slot, PropertyOffset cachedOffset, ReturnAddressPtr returnAddress)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompileGetByIdChainList(stubInfo, prototypeStructureList, currentIndex, structure, chain, count, cachedOffset, callFrame);
+ JIT jit(vm, codeBlock);
+ jit.m_bytecodeOffset = stubInfo->bytecodeIndex;
+ jit.privateCompileGetByIdProto(stubInfo, structure, prototypeStructure, ident, slot, cachedOffset, returnAddress, callFrame);
}
-#endif
- static void compileGetByIdChain(JSGlobalData* globalData, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, StructureChain* chain, size_t count, size_t cachedOffset, void* returnAddress)
+ static void compileGetByIdSelfList(VM* vm, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* polymorphicStructures, int currentIndex, Structure* structure, const Identifier& ident, const PropertySlot& slot, PropertyOffset cachedOffset)
+ {
+ JIT jit(vm, codeBlock);
+ jit.m_bytecodeOffset = stubInfo->bytecodeIndex;
+ jit.privateCompileGetByIdSelfList(stubInfo, polymorphicStructures, currentIndex, structure, ident, slot, cachedOffset);
+ }
+ static void compileGetByIdProtoList(VM* vm, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* prototypeStructureList, int currentIndex, Structure* structure, Structure* prototypeStructure, const Identifier& ident, const PropertySlot& slot, PropertyOffset cachedOffset)
+ {
+ JIT jit(vm, codeBlock);
+ jit.m_bytecodeOffset = stubInfo->bytecodeIndex;
+ jit.privateCompileGetByIdProtoList(stubInfo, prototypeStructureList, currentIndex, structure, prototypeStructure, ident, slot, cachedOffset, callFrame);
+ }
+ static void compileGetByIdChainList(VM* vm, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, PolymorphicAccessStructureList* prototypeStructureList, int currentIndex, Structure* structure, StructureChain* chain, size_t count, const Identifier& ident, const PropertySlot& slot, PropertyOffset cachedOffset)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompileGetByIdChain(stubInfo, structure, chain, count, cachedOffset, returnAddress, callFrame);
+ JIT jit(vm, codeBlock);
+ jit.m_bytecodeOffset = stubInfo->bytecodeIndex;
+ jit.privateCompileGetByIdChainList(stubInfo, prototypeStructureList, currentIndex, structure, chain, count, ident, slot, cachedOffset, callFrame);
}
- static void compilePutByIdReplace(JSGlobalData* globalData, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, size_t cachedOffset, void* returnAddress)
+ static void compileGetByIdChain(VM* vm, CallFrame* callFrame, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* structure, StructureChain* chain, size_t count, const Identifier& ident, const PropertySlot& slot, PropertyOffset cachedOffset, ReturnAddressPtr returnAddress)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompilePutByIdReplace(stubInfo, structure, cachedOffset, returnAddress);
+ JIT jit(vm, codeBlock);
+ jit.m_bytecodeOffset = stubInfo->bytecodeIndex;
+ jit.privateCompileGetByIdChain(stubInfo, structure, chain, count, ident, slot, cachedOffset, returnAddress, callFrame);
}
- static void compilePutByIdTransition(JSGlobalData* globalData, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* oldStructure, Structure* newStructure, size_t cachedOffset, StructureChain* chain, void* returnAddress)
+ static void compilePutByIdTransition(VM* vm, CodeBlock* codeBlock, StructureStubInfo* stubInfo, Structure* oldStructure, Structure* newStructure, PropertyOffset cachedOffset, StructureChain* chain, ReturnAddressPtr returnAddress, bool direct)
{
- JIT jit(globalData, codeBlock);
- jit.privateCompilePutByIdTransition(stubInfo, oldStructure, newStructure, cachedOffset, chain, returnAddress);
+ JIT jit(vm, codeBlock);
+ jit.m_bytecodeOffset = stubInfo->bytecodeIndex;
+ jit.privateCompilePutByIdTransition(stubInfo, oldStructure, newStructure, cachedOffset, chain, returnAddress, direct);
}
-
- static void compileCTIMachineTrampolines(JSGlobalData* globalData)
+
+ static void compileGetByVal(VM* vm, CodeBlock* codeBlock, ByValInfo* byValInfo, ReturnAddressPtr returnAddress, JITArrayMode arrayMode)
{
- JIT jit(globalData);
- jit.privateCompileCTIMachineTrampolines();
+ JIT jit(vm, codeBlock);
+ jit.m_bytecodeOffset = byValInfo->bytecodeIndex;
+ jit.privateCompileGetByVal(byValInfo, returnAddress, arrayMode);
}
- static void patchGetByIdSelf(StructureStubInfo*, Structure*, size_t cachedOffset, void* returnAddress);
- static void patchPutByIdReplace(StructureStubInfo*, Structure*, size_t cachedOffset, void* returnAddress);
+ static void compilePutByVal(VM* vm, CodeBlock* codeBlock, ByValInfo* byValInfo, ReturnAddressPtr returnAddress, JITArrayMode arrayMode)
+ {
+ JIT jit(vm, codeBlock);
+ jit.m_bytecodeOffset = byValInfo->bytecodeIndex;
+ jit.privateCompilePutByVal(byValInfo, returnAddress, arrayMode);
+ }
- static void compilePatchGetArrayLength(JSGlobalData* globalData, CodeBlock* codeBlock, void* returnAddress)
+ static CodeRef compileCTINativeCall(VM* vm, NativeFunction func)
{
- JIT jit(globalData, codeBlock);
- return jit.privateCompilePatchGetArrayLength(returnAddress);
+ if (!vm->canUseJIT()) {
+#if ENABLE(LLINT)
+ return CodeRef::createLLIntCodeRef(llint_native_call_trampoline);
+#else
+ return CodeRef();
+#endif
+ }
+ JIT jit(vm, 0);
+ return jit.privateCompileCTINativeCall(vm, func);
}
- static void linkCall(JSFunction* callee, CodeBlock* calleeCodeBlock, void* ctiCode, CallLinkInfo* callLinkInfo, int callerArgCount);
- static void unlinkCall(CallLinkInfo*);
+ static void resetPatchGetById(RepatchBuffer&, StructureStubInfo*);
+ static void resetPatchPutById(RepatchBuffer&, StructureStubInfo*);
+ static void patchGetByIdSelf(CodeBlock*, StructureStubInfo*, Structure*, PropertyOffset cachedOffset, ReturnAddressPtr);
+ static void patchPutByIdReplace(CodeBlock*, StructureStubInfo*, Structure*, PropertyOffset cachedOffset, ReturnAddressPtr, bool direct);
- inline static JSValuePtr execute(void* code, RegisterFile* registerFile, CallFrame* callFrame, JSGlobalData* globalData, JSValuePtr* exception)
+ static void compilePatchGetArrayLength(VM* vm, CodeBlock* codeBlock, ReturnAddressPtr returnAddress)
{
- return JSValuePtr::decode(ctiTrampoline(
-#if PLATFORM(X86_64)
- 0, 0, 0, 0, 0, 0,
-#endif
- code, registerFile, callFrame, exception, Profiler::enabledProfilerReference(), globalData));
+ JIT jit(vm, codeBlock);
+#if ENABLE(DFG_JIT)
+ // Force profiling to be enabled during stub generation.
+ jit.m_canBeOptimized = true;
+ jit.m_canBeOptimizedOrInlined = true;
+ jit.m_shouldEmitProfiling = true;
+#endif // ENABLE(DFG_JIT)
+ return jit.privateCompilePatchGetArrayLength(returnAddress);
}
+ static void linkFor(JSFunction* callee, CodeBlock* callerCodeBlock, CodeBlock* calleeCodeBlock, CodePtr, CallLinkInfo*, VM*, CodeSpecializationKind);
+ static void linkSlowCall(CodeBlock* callerCodeBlock, CallLinkInfo*);
+
private:
- JIT(JSGlobalData*, CodeBlock* = 0);
+ JIT(VM*, CodeBlock* = 0);
void privateCompileMainPass();
void privateCompileLinkPass();
void privateCompileSlowCases();
- void privateCompile();
- void privateCompileGetByIdSelf(StructureStubInfo*, Structure*, size_t cachedOffset, void* returnAddress);
- void privateCompileGetByIdProto(StructureStubInfo*, Structure*, Structure* prototypeStructure, size_t cachedOffset, void* returnAddress, CallFrame* callFrame);
-#if USE(CTI_REPATCH_PIC)
- void privateCompileGetByIdSelfList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, size_t cachedOffset);
- void privateCompileGetByIdProtoList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, Structure* prototypeStructure, size_t cachedOffset, CallFrame* callFrame);
- void privateCompileGetByIdChainList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, StructureChain* chain, size_t count, size_t cachedOffset, CallFrame* callFrame);
-#endif
- void privateCompileGetByIdChain(StructureStubInfo*, Structure*, StructureChain*, size_t count, size_t cachedOffset, void* returnAddress, CallFrame* callFrame);
- void privateCompilePutByIdReplace(StructureStubInfo*, Structure*, size_t cachedOffset, void* returnAddress);
- void privateCompilePutByIdTransition(StructureStubInfo*, Structure*, Structure*, size_t cachedOffset, StructureChain*, void* returnAddress);
+ JITCode privateCompile(CodePtr* functionEntryArityCheck, JITCompilationEffort);
+
+ void privateCompileClosureCall(CallLinkInfo*, CodeBlock* calleeCodeBlock, Structure*, ExecutableBase*, MacroAssemblerCodePtr);
+
+ void privateCompileGetByIdProto(StructureStubInfo*, Structure*, Structure* prototypeStructure, const Identifier&, const PropertySlot&, PropertyOffset cachedOffset, ReturnAddressPtr, CallFrame*);
+ void privateCompileGetByIdSelfList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, const Identifier&, const PropertySlot&, PropertyOffset cachedOffset);
+ void privateCompileGetByIdProtoList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, Structure* prototypeStructure, const Identifier&, const PropertySlot&, PropertyOffset cachedOffset, CallFrame*);
+ void privateCompileGetByIdChainList(StructureStubInfo*, PolymorphicAccessStructureList*, int, Structure*, StructureChain*, size_t count, const Identifier&, const PropertySlot&, PropertyOffset cachedOffset, CallFrame*);
+ void privateCompileGetByIdChain(StructureStubInfo*, Structure*, StructureChain*, size_t count, const Identifier&, const PropertySlot&, PropertyOffset cachedOffset, ReturnAddressPtr, CallFrame*);
+ void privateCompilePutByIdTransition(StructureStubInfo*, Structure*, Structure*, PropertyOffset cachedOffset, StructureChain*, ReturnAddressPtr, bool direct);
+
+ void privateCompileGetByVal(ByValInfo*, ReturnAddressPtr, JITArrayMode);
+ void privateCompilePutByVal(ByValInfo*, ReturnAddressPtr, JITArrayMode);
- void privateCompileCTIMachineTrampolines();
- void privateCompilePatchGetArrayLength(void* returnAddress);
+ Label privateCompileCTINativeCall(VM*, bool isConstruct = false);
+ CodeRef privateCompileCTINativeCall(VM*, NativeFunction);
+ void privateCompilePatchGetArrayLength(ReturnAddressPtr returnAddress);
+
+ static bool isDirectPutById(StructureStubInfo*);
void addSlowCase(Jump);
+ void addSlowCase(JumpList);
+ void addSlowCase();
void addJump(Jump, int);
void emitJumpSlowToHot(Jump, int);
- void compileGetByIdHotPath(int resultVReg, int baseVReg, Identifier* ident, unsigned propertyAccessInstructionIndex);
- void compileGetByIdSlowCase(int resultVReg, int baseVReg, Identifier* ident, Vector<SlowCaseEntry>::iterator& iter, unsigned propertyAccessInstructionIndex);
- void compilePutByIdHotPath(int baseVReg, Identifier* ident, int valueVReg, unsigned propertyAccessInstructionIndex);
- void compilePutByIdSlowCase(int baseVReg, Identifier* ident, int valueVReg, Vector<SlowCaseEntry>::iterator& iter, unsigned propertyAccessInstructionIndex);
- void compileOpCall(OpcodeID, Instruction* instruction, unsigned callLinkInfoIndex);
- void compileOpCallInitializeCallFrame();
- void compileOpCallSetupArgs(Instruction*);
- void compileOpCallEvalSetupArgs(Instruction*);
- void compileOpCallSlowCase(Instruction* instruction, Vector<SlowCaseEntry>::iterator& iter, unsigned callLinkInfoIndex, OpcodeID opcodeID);
- void compileOpConstructSetupArgs(Instruction*);
+ void compileOpCall(OpcodeID, Instruction*, unsigned callLinkInfoIndex);
+ void compileOpCallSlowCase(OpcodeID, Instruction*, Vector<SlowCaseEntry>::iterator&, unsigned callLinkInfoIndex);
+ void compileLoadVarargs(Instruction*);
+ void compileCallEval();
+ void compileCallEvalSlowCase(Vector<SlowCaseEntry>::iterator&);
+
enum CompileOpStrictEqType { OpStrictEq, OpNStrictEq };
void compileOpStrictEq(Instruction* instruction, CompileOpStrictEqType type);
- void putDoubleResultToJSNumberCellOrJSImmediate(X86Assembler::XMMRegisterID xmmSource, RegisterID jsNumberCell, unsigned dst, X86Assembler::JmpSrc* wroteJSNumberCell, X86Assembler::XMMRegisterID tempXmm, RegisterID tempReg1, RegisterID tempReg2);
-
- void compileFastArith_op_add(Instruction*);
- void compileFastArith_op_sub(Instruction*);
- void compileFastArith_op_mul(Instruction*);
- void compileFastArith_op_mod(unsigned result, unsigned op1, unsigned op2);
- void compileFastArith_op_bitand(unsigned result, unsigned op1, unsigned op2);
- void compileFastArith_op_lshift(unsigned result, unsigned op1, unsigned op2);
- void compileFastArith_op_rshift(unsigned result, unsigned op1, unsigned op2);
- void compileFastArith_op_pre_inc(unsigned srcDst);
- void compileFastArith_op_pre_dec(unsigned srcDst);
- void compileFastArith_op_post_inc(unsigned result, unsigned srcDst);
- void compileFastArith_op_post_dec(unsigned result, unsigned srcDst);
- void compileFastArithSlow_op_add(Instruction*, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_sub(Instruction*, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_mul(Instruction*, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_mod(unsigned result, unsigned op1, unsigned op2, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_bitand(unsigned result, unsigned op1, unsigned op2, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_lshift(unsigned result, unsigned op1, unsigned op2, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_rshift(unsigned result, unsigned op1, unsigned op2, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_pre_inc(unsigned srcDst, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_pre_dec(unsigned srcDst, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_post_inc(unsigned result, unsigned srcDst, Vector<SlowCaseEntry>::iterator&);
- void compileFastArithSlow_op_post_dec(unsigned result, unsigned srcDst, Vector<SlowCaseEntry>::iterator&);
-#if ENABLE(JIT_OPTIMIZE_ARITHMETIC)
- void compileBinaryArithOp(OpcodeID, unsigned dst, unsigned src1, unsigned src2, OperandTypes opi);
- void compileBinaryArithOpSlowCase(OpcodeID, Vector<SlowCaseEntry>::iterator&, unsigned dst, unsigned src1, unsigned src2, OperandTypes opi);
+ bool isOperandConstantImmediateDouble(unsigned src);
+
+ void emitLoadDouble(int index, FPRegisterID value);
+ void emitLoadInt32ToDouble(int index, FPRegisterID value);
+ Jump emitJumpIfNotObject(RegisterID structureReg);
+
+ Jump addStructureTransitionCheck(JSCell*, Structure*, StructureStubInfo*, RegisterID scratch);
+ void addStructureTransitionCheck(JSCell*, Structure*, StructureStubInfo*, JumpList& failureCases, RegisterID scratch);
+ void testPrototype(JSValue, JumpList& failureCases, StructureStubInfo*);
+
+ enum WriteBarrierMode { UnconditionalWriteBarrier, ShouldFilterImmediates };
+ // value register in write barrier is used before any scratch registers
+ // so may safely be the same as either of the scratch registers.
+ void emitWriteBarrier(RegisterID owner, RegisterID valueTag, RegisterID scratch, RegisterID scratch2, WriteBarrierMode, WriteBarrierUseKind);
+ void emitWriteBarrier(JSCell* owner, RegisterID value, RegisterID scratch, WriteBarrierMode, WriteBarrierUseKind);
+
+ template<typename StructureType> // StructureType can be RegisterID or ImmPtr.
+ void emitAllocateJSObject(RegisterID allocator, StructureType, RegisterID result, RegisterID scratch);
+
+#if ENABLE(VALUE_PROFILER)
+ // This assumes that the value to profile is in regT0 and that regT3 is available for
+ // scratch.
+ void emitValueProfilingSite(ValueProfile*);
+ void emitValueProfilingSite(unsigned bytecodeOffset);
+ void emitValueProfilingSite();
+#else
+ void emitValueProfilingSite(unsigned) { }
+ void emitValueProfilingSite() { }
+#endif
+ void emitArrayProfilingSite(RegisterID structureAndIndexingType, RegisterID scratch, ArrayProfile*);
+ void emitArrayProfilingSiteForBytecodeIndex(RegisterID structureAndIndexingType, RegisterID scratch, unsigned bytecodeIndex);
+ void emitArrayProfileStoreToHoleSpecialCase(ArrayProfile*);
+ void emitArrayProfileOutOfBoundsSpecialCase(ArrayProfile*);
+
+ JITArrayMode chooseArrayMode(ArrayProfile*);
+
+ // Property is in regT1, base is in regT0. regT2 contains indexing type.
+ // Property is int-checked and zero extended. Base is cell checked.
+ // Structure is already profiled. Returns the slow cases. Fall-through
+ // case contains result in regT0, and it is not yet profiled.
+ JumpList emitInt32GetByVal(Instruction* instruction, PatchableJump& badType) { return emitContiguousGetByVal(instruction, badType, Int32Shape); }
+ JumpList emitDoubleGetByVal(Instruction*, PatchableJump& badType);
+ JumpList emitContiguousGetByVal(Instruction*, PatchableJump& badType, IndexingType expectedShape = ContiguousShape);
+ JumpList emitArrayStorageGetByVal(Instruction*, PatchableJump& badType);
+ JumpList emitIntTypedArrayGetByVal(Instruction*, PatchableJump& badType, const TypedArrayDescriptor&, size_t elementSize, TypedArraySignedness);
+ JumpList emitFloatTypedArrayGetByVal(Instruction*, PatchableJump& badType, const TypedArrayDescriptor&, size_t elementSize);
+
+ // Property is in regT0, base is in regT0. regT2 contains indecing type.
+ // The value to store is not yet loaded. Property is int-checked and
+ // zero-extended. Base is cell checked. Structure is already profiled.
+ // returns the slow cases.
+ JumpList emitInt32PutByVal(Instruction* currentInstruction, PatchableJump& badType)
+ {
+ return emitGenericContiguousPutByVal(currentInstruction, badType, Int32Shape);
+ }
+ JumpList emitDoublePutByVal(Instruction* currentInstruction, PatchableJump& badType)
+ {
+ return emitGenericContiguousPutByVal(currentInstruction, badType, DoubleShape);
+ }
+ JumpList emitContiguousPutByVal(Instruction* currentInstruction, PatchableJump& badType)
+ {
+ return emitGenericContiguousPutByVal(currentInstruction, badType);
+ }
+ JumpList emitGenericContiguousPutByVal(Instruction*, PatchableJump& badType, IndexingType indexingShape = ContiguousShape);
+ JumpList emitArrayStoragePutByVal(Instruction*, PatchableJump& badType);
+ JumpList emitIntTypedArrayPutByVal(Instruction*, PatchableJump& badType, const TypedArrayDescriptor&, size_t elementSize, TypedArraySignedness, TypedArrayRounding);
+ JumpList emitFloatTypedArrayPutByVal(Instruction*, PatchableJump& badType, const TypedArrayDescriptor&, size_t elementSize);
+
+ enum FinalObjectMode { MayBeFinal, KnownNotFinal };
+
+#if USE(JSVALUE32_64)
+ bool getOperandConstantImmediateInt(unsigned op1, unsigned op2, unsigned& op, int32_t& constant);
+
+ void emitLoadTag(int index, RegisterID tag);
+ void emitLoadPayload(int index, RegisterID payload);
+
+ void emitLoad(const JSValue& v, RegisterID tag, RegisterID payload);
+ void emitLoad(int index, RegisterID tag, RegisterID payload, RegisterID base = callFrameRegister);
+ void emitLoad2(int index1, RegisterID tag1, RegisterID payload1, int index2, RegisterID tag2, RegisterID payload2);
+
+ void emitStore(int index, RegisterID tag, RegisterID payload, RegisterID base = callFrameRegister);
+ void emitStore(int index, const JSValue constant, RegisterID base = callFrameRegister);
+ void emitStoreInt32(int index, RegisterID payload, bool indexIsInt32 = false);
+ void emitStoreInt32(int index, TrustedImm32 payload, bool indexIsInt32 = false);
+ void emitStoreAndMapInt32(int index, RegisterID tag, RegisterID payload, bool indexIsInt32, size_t opcodeLength);
+ void emitStoreCell(int index, RegisterID payload, bool indexIsCell = false);
+ void emitStoreBool(int index, RegisterID payload, bool indexIsBool = false);
+ void emitStoreDouble(int index, FPRegisterID value);
+
+ bool isLabeled(unsigned bytecodeOffset);
+ void map(unsigned bytecodeOffset, int virtualRegisterIndex, RegisterID tag, RegisterID payload);
+ void unmap(RegisterID);
+ void unmap();
+ bool isMapped(int virtualRegisterIndex);
+ bool getMappedPayload(int virtualRegisterIndex, RegisterID& payload);
+ bool getMappedTag(int virtualRegisterIndex, RegisterID& tag);
+
+ void emitJumpSlowCaseIfNotJSCell(int virtualRegisterIndex);
+ void emitJumpSlowCaseIfNotJSCell(int virtualRegisterIndex, RegisterID tag);
+
+ void compileGetByIdHotPath(Identifier*);
+ void compileGetByIdSlowCase(int resultVReg, int baseVReg, Identifier*, Vector<SlowCaseEntry>::iterator&);
+ void compileGetDirectOffset(RegisterID base, RegisterID resultTag, RegisterID resultPayload, PropertyOffset cachedOffset);
+ void compileGetDirectOffset(JSObject* base, RegisterID resultTag, RegisterID resultPayload, PropertyOffset cachedOffset);
+ void compileGetDirectOffset(RegisterID base, RegisterID resultTag, RegisterID resultPayload, RegisterID offset, FinalObjectMode = MayBeFinal);
+ void compilePutDirectOffset(RegisterID base, RegisterID valueTag, RegisterID valuePayload, PropertyOffset cachedOffset);
+
+ // Arithmetic opcode helpers
+ void emitAdd32Constant(unsigned dst, unsigned op, int32_t constant, ResultType opType);
+ void emitSub32Constant(unsigned dst, unsigned op, int32_t constant, ResultType opType);
+ void emitBinaryDoubleOp(OpcodeID, unsigned dst, unsigned op1, unsigned op2, OperandTypes, JumpList& notInt32Op1, JumpList& notInt32Op2, bool op1IsInRegisters = true, bool op2IsInRegisters = true);
+
+#if CPU(ARM_TRADITIONAL)
+ // sequenceOpCall
+ static const int sequenceOpCallInstructionSpace = 12;
+ static const int sequenceOpCallConstantSpace = 2;
+ // sequenceGetByIdHotPath
+ static const int sequenceGetByIdHotPathInstructionSpace = 36;
+ static const int sequenceGetByIdHotPathConstantSpace = 4;
+ // sequenceGetByIdSlowCase
+ static const int sequenceGetByIdSlowCaseInstructionSpace = 80;
+ static const int sequenceGetByIdSlowCaseConstantSpace = 4;
+ // sequencePutById
+ static const int sequencePutByIdInstructionSpace = 36;
+ static const int sequencePutByIdConstantSpace = 4;
+#elif CPU(SH4)
+ // sequenceOpCall
+ static const int sequenceOpCallInstructionSpace = 12;
+ static const int sequenceOpCallConstantSpace = 2;
+ // sequenceGetByIdHotPath
+ static const int sequenceGetByIdHotPathInstructionSpace = 36;
+ static const int sequenceGetByIdHotPathConstantSpace = 5;
+ // sequenceGetByIdSlowCase
+ static const int sequenceGetByIdSlowCaseInstructionSpace = 38;
+ static const int sequenceGetByIdSlowCaseConstantSpace = 4;
+ // sequencePutById
+ static const int sequencePutByIdInstructionSpace = 36;
+ static const int sequencePutByIdConstantSpace = 5;
#endif
- void emitGetVirtualRegister(int src, RegisterID dst);
- void emitGetVirtualRegisters(int src1, RegisterID dst1, int src2, RegisterID dst2);
- void emitPutVirtualRegister(unsigned dst, RegisterID from = X86::eax);
-
- void emitPutJITStubArg(RegisterID src, unsigned argumentNumber);
- void emitPutJITStubArgFromVirtualRegister(unsigned src, unsigned argumentNumber, RegisterID scratch);
- void emitPutJITStubArgConstant(unsigned value, unsigned argumentNumber);
- void emitPutJITStubArgConstant(void* value, unsigned argumentNumber);
+#else // USE(JSVALUE32_64)
+ /* This function is deprecated. */
void emitGetJITStubArg(unsigned argumentNumber, RegisterID dst);
- void emitInitRegister(unsigned dst);
-
- void emitPutCTIParam(void* value, unsigned name);
- void emitPutCTIParam(RegisterID from, unsigned name);
- void emitGetCTIParam(unsigned name, RegisterID to);
-
- void emitPutToCallFrameHeader(RegisterID from, RegisterFile::CallFrameHeaderEntry entry);
- void emitPutImmediateToCallFrameHeader(void* value, RegisterFile::CallFrameHeaderEntry entry);
- void emitGetFromCallFrameHeader(RegisterFile::CallFrameHeaderEntry entry, RegisterID to);
+ void emitGetVirtualRegister(int src, RegisterID dst);
+ void emitGetVirtualRegisters(int src1, RegisterID dst1, int src2, RegisterID dst2);
+ void emitPutVirtualRegister(unsigned dst, RegisterID from = regT0);
+ void emitStoreCell(unsigned dst, RegisterID payload, bool /* only used in JSValue32_64 */ = false)
+ {
+ emitPutVirtualRegister(dst, payload);
+ }
- JSValuePtr getConstantOperand(unsigned src);
int32_t getConstantOperandImmediateInt(unsigned src);
- bool isOperandConstantImmediateInt(unsigned src);
+
+ void killLastResultRegister();
Jump emitJumpIfJSCell(RegisterID);
Jump emitJumpIfBothJSCells(RegisterID, RegisterID, RegisterID);
void emitJumpSlowCaseIfJSCell(RegisterID);
- Jump emitJumpIfNotJSCell(RegisterID);
void emitJumpSlowCaseIfNotJSCell(RegisterID);
void emitJumpSlowCaseIfNotJSCell(RegisterID, int VReg);
-#if USE(ALTERNATE_JSIMMEDIATE)
- JIT::Jump emitJumpIfImmediateNumber(RegisterID);
- JIT::Jump emitJumpIfNotImmediateNumber(RegisterID);
+ Jump emitJumpIfImmediateInteger(RegisterID);
+ Jump emitJumpIfNotImmediateInteger(RegisterID);
+ Jump emitJumpIfNotImmediateIntegers(RegisterID, RegisterID, RegisterID);
+ void emitJumpSlowCaseIfNotImmediateInteger(RegisterID);
+ void emitJumpSlowCaseIfNotImmediateNumber(RegisterID);
+ void emitJumpSlowCaseIfNotImmediateIntegers(RegisterID, RegisterID, RegisterID);
+
+ void emitFastArithReTagImmediate(RegisterID src, RegisterID dest);
+
+ void emitTagAsBoolImmediate(RegisterID reg);
+ void compileBinaryArithOp(OpcodeID, unsigned dst, unsigned src1, unsigned src2, OperandTypes opi);
+ void compileBinaryArithOpSlowCase(OpcodeID, Vector<SlowCaseEntry>::iterator&, unsigned dst, unsigned src1, unsigned src2, OperandTypes, bool op1HasImmediateIntFastCase, bool op2HasImmediateIntFastCase);
+
+ void compileGetByIdHotPath(int baseVReg, Identifier*);
+ void compileGetByIdSlowCase(int resultVReg, int baseVReg, Identifier*, Vector<SlowCaseEntry>::iterator&);
+ void compileGetDirectOffset(RegisterID base, RegisterID result, PropertyOffset cachedOffset);
+ void compileGetDirectOffset(JSObject* base, RegisterID result, PropertyOffset cachedOffset);
+ void compileGetDirectOffset(RegisterID base, RegisterID result, RegisterID offset, RegisterID scratch, FinalObjectMode = MayBeFinal);
+ void compilePutDirectOffset(RegisterID base, RegisterID value, PropertyOffset cachedOffset);
+
+#endif // USE(JSVALUE32_64)
+
+#if (defined(ASSEMBLER_HAS_CONSTANT_POOL) && ASSEMBLER_HAS_CONSTANT_POOL)
+#define BEGIN_UNINTERRUPTED_SEQUENCE(name) do { beginUninterruptedSequence(name ## InstructionSpace, name ## ConstantSpace); } while (false)
+#define END_UNINTERRUPTED_SEQUENCE_FOR_PUT(name, dst) do { endUninterruptedSequence(name ## InstructionSpace, name ## ConstantSpace, dst); } while (false)
+#define END_UNINTERRUPTED_SEQUENCE(name) END_UNINTERRUPTED_SEQUENCE_FOR_PUT(name, 0)
+
+ void beginUninterruptedSequence(int, int);
+ void endUninterruptedSequence(int, int, int);
+
+#else
+#define BEGIN_UNINTERRUPTED_SEQUENCE(name)
+#define END_UNINTERRUPTED_SEQUENCE(name)
+#define END_UNINTERRUPTED_SEQUENCE_FOR_PUT(name, dst)
+#endif
+
+ void emit_compareAndJump(OpcodeID, unsigned op1, unsigned op2, unsigned target, RelationalCondition);
+ void emit_compareAndJumpSlow(unsigned op1, unsigned op2, unsigned target, DoubleCondition, int (JIT_STUB *stub)(STUB_ARGS_DECLARATION), bool invert, Vector<SlowCaseEntry>::iterator&);
+
+ void emit_op_add(Instruction*);
+ void emit_op_bitand(Instruction*);
+ void emit_op_bitor(Instruction*);
+ void emit_op_bitxor(Instruction*);
+ void emit_op_call(Instruction*);
+ void emit_op_call_eval(Instruction*);
+ void emit_op_call_varargs(Instruction*);
+ void emit_op_call_put_result(Instruction*);
+ void emit_op_catch(Instruction*);
+ void emit_op_construct(Instruction*);
+ void emit_op_get_callee(Instruction*);
+ void emit_op_create_this(Instruction*);
+ void emit_op_convert_this(Instruction*);
+ void emit_op_create_arguments(Instruction*);
+ void emit_op_debug(Instruction*);
+ void emit_op_del_by_id(Instruction*);
+ void emit_op_div(Instruction*);
+ void emit_op_end(Instruction*);
+ void emit_op_enter(Instruction*);
+ void emit_op_create_activation(Instruction*);
+ void emit_op_eq(Instruction*);
+ void emit_op_eq_null(Instruction*);
+ void emit_op_get_by_id(Instruction*);
+ void emit_op_get_arguments_length(Instruction*);
+ void emit_op_get_by_val(Instruction*);
+ void emit_op_get_argument_by_val(Instruction*);
+ void emit_op_get_by_pname(Instruction*);
+ void emit_op_init_lazy_reg(Instruction*);
+ void emit_op_check_has_instance(Instruction*);
+ void emit_op_instanceof(Instruction*);
+ void emit_op_is_undefined(Instruction*);
+ void emit_op_is_boolean(Instruction*);
+ void emit_op_is_number(Instruction*);
+ void emit_op_is_string(Instruction*);
+ void emit_op_jeq_null(Instruction*);
+ void emit_op_jfalse(Instruction*);
+ void emit_op_jmp(Instruction*);
+ void emit_op_jneq_null(Instruction*);
+ void emit_op_jneq_ptr(Instruction*);
+ void emit_op_jless(Instruction*);
+ void emit_op_jlesseq(Instruction*);
+ void emit_op_jgreater(Instruction*);
+ void emit_op_jgreatereq(Instruction*);
+ void emit_op_jnless(Instruction*);
+ void emit_op_jnlesseq(Instruction*);
+ void emit_op_jngreater(Instruction*);
+ void emit_op_jngreatereq(Instruction*);
+ void emit_op_jtrue(Instruction*);
+ void emit_op_loop_hint(Instruction*);
+ void emit_op_lshift(Instruction*);
+ void emit_op_mod(Instruction*);
+ void emit_op_mov(Instruction*);
+ void emit_op_mul(Instruction*);
+ void emit_op_negate(Instruction*);
+ void emit_op_neq(Instruction*);
+ void emit_op_neq_null(Instruction*);
+ void emit_op_new_array(Instruction*);
+ void emit_op_new_array_with_size(Instruction*);
+ void emit_op_new_array_buffer(Instruction*);
+ void emit_op_new_func(Instruction*);
+ void emit_op_new_func_exp(Instruction*);
+ void emit_op_new_object(Instruction*);
+ void emit_op_new_regexp(Instruction*);
+ void emit_op_get_pnames(Instruction*);
+ void emit_op_next_pname(Instruction*);
+ void emit_op_not(Instruction*);
+ void emit_op_nstricteq(Instruction*);
+ void emit_op_pop_scope(Instruction*);
+ void emit_op_dec(Instruction*);
+ void emit_op_inc(Instruction*);
+ void emit_op_profile_did_call(Instruction*);
+ void emit_op_profile_will_call(Instruction*);
+ void emit_op_push_name_scope(Instruction*);
+ void emit_op_push_with_scope(Instruction*);
+ void emit_op_put_by_id(Instruction*);
+ void emit_op_put_by_index(Instruction*);
+ void emit_op_put_by_val(Instruction*);
+ void emit_op_put_getter_setter(Instruction*);
+ void emit_op_init_global_const(Instruction*);
+ void emit_op_init_global_const_check(Instruction*);
+ void emit_resolve_operations(ResolveOperations*, const int* base, const int* value);
+ void emitSlow_link_resolve_operations(ResolveOperations*, Vector<SlowCaseEntry>::iterator&);
+ void emit_op_resolve(Instruction*);
+ void emit_op_resolve_base(Instruction*);
+ void emit_op_resolve_with_base(Instruction*);
+ void emit_op_resolve_with_this(Instruction*);
+ void emit_op_put_to_base(Instruction*);
+ void emit_op_ret(Instruction*);
+ void emit_op_ret_object_or_this(Instruction*);
+ void emit_op_rshift(Instruction*);
+ void emit_op_strcat(Instruction*);
+ void emit_op_stricteq(Instruction*);
+ void emit_op_sub(Instruction*);
+ void emit_op_switch_char(Instruction*);
+ void emit_op_switch_imm(Instruction*);
+ void emit_op_switch_string(Instruction*);
+ void emit_op_tear_off_activation(Instruction*);
+ void emit_op_tear_off_arguments(Instruction*);
+ void emit_op_throw(Instruction*);
+ void emit_op_throw_static_error(Instruction*);
+ void emit_op_to_number(Instruction*);
+ void emit_op_to_primitive(Instruction*);
+ void emit_op_unexpected_load(Instruction*);
+ void emit_op_urshift(Instruction*);
+ void emit_op_get_scoped_var(Instruction*);
+ void emit_op_put_scoped_var(Instruction*);
+
+ void emitSlow_op_add(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_bitand(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_bitor(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_bitxor(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_call(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_call_eval(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_call_varargs(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_construct(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_convert_this(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_create_this(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_div(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_eq(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_get_by_id(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_get_arguments_length(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_get_by_val(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_get_argument_by_val(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_get_by_pname(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_check_has_instance(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_instanceof(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jfalse(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jless(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jlesseq(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jgreater(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jgreatereq(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jnless(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jnlesseq(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jngreater(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jngreatereq(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_jtrue(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_loop_hint(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_lshift(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_mod(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_mul(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_negate(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_neq(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_new_object(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_not(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_nstricteq(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_dec(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_inc(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_put_by_id(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_put_by_val(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_init_global_const_check(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_rshift(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_stricteq(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_sub(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_to_number(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_to_primitive(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_urshift(Instruction*, Vector<SlowCaseEntry>::iterator&);
+
+ void emitSlow_op_resolve(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_resolve_base(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_resolve_with_base(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_resolve_with_this(Instruction*, Vector<SlowCaseEntry>::iterator&);
+ void emitSlow_op_put_to_base(Instruction*, Vector<SlowCaseEntry>::iterator&);
+
+ void emitRightShift(Instruction*, bool isUnsigned);
+ void emitRightShiftSlowCase(Instruction*, Vector<SlowCaseEntry>::iterator&, bool isUnsigned);
+
+ void emitInitRegister(unsigned dst);
+
+ void emitPutIntToCallFrameHeader(RegisterID from, JSStack::CallFrameHeaderEntry);
+ void emitGetFromCallFrameHeaderPtr(JSStack::CallFrameHeaderEntry, RegisterID to, RegisterID from = callFrameRegister);
+ void emitGetFromCallFrameHeader32(JSStack::CallFrameHeaderEntry, RegisterID to, RegisterID from = callFrameRegister);
+#if USE(JSVALUE64)
+ void emitGetFromCallFrameHeader64(JSStack::CallFrameHeaderEntry, RegisterID to, RegisterID from = callFrameRegister);
#endif
+ JSValue getConstantOperand(unsigned src);
+ bool isOperandConstantImmediateInt(unsigned src);
+ bool isOperandConstantImmediateChar(unsigned src);
+
+ bool atJumpTarget();
+
Jump getSlowCase(Vector<SlowCaseEntry>::iterator& iter)
{
return iter++->from;
iter->from.link(this);
++iter;
}
- void linkSlowCaseIfNotJSCell(Vector<SlowCaseEntry>::iterator&, int vReg);
-
- JIT::Jump emitJumpIfImmediateInteger(RegisterID);
- JIT::Jump emitJumpIfNotImmediateInteger(RegisterID);
- JIT::Jump emitJumpIfNotImmediateIntegers(RegisterID, RegisterID, RegisterID);
- void emitJumpSlowCaseIfNotImmediateInteger(RegisterID);
- void emitJumpSlowCaseIfNotImmediateIntegers(RegisterID, RegisterID, RegisterID);
+ void linkDummySlowCase(Vector<SlowCaseEntry>::iterator& iter)
+ {
+ ASSERT(!iter->from.isSet());
+ ++iter;
+ }
+ void linkSlowCaseIfNotJSCell(Vector<SlowCaseEntry>::iterator&, int virtualRegisterIndex);
Jump checkStructure(RegisterID reg, Structure* structure);
-#if !USE(ALTERNATE_JSIMMEDIATE)
- void emitFastArithDeTagImmediate(RegisterID);
- Jump emitFastArithDeTagImmediateJumpIfZero(RegisterID);
-#endif
- void emitFastArithReTagImmediate(RegisterID src, RegisterID dest);
- void emitFastArithImmToInt(RegisterID);
- void emitFastArithIntToImmNoCheck(RegisterID src, RegisterID dest);
-
- void emitTagAsBoolImmediate(RegisterID reg);
-
- void restoreArgumentReference();
void restoreArgumentReferenceForTrampoline();
+ void updateTopCallFrame();
+
+ Call emitNakedCall(CodePtr function = CodePtr());
- Jump emitNakedCall(RegisterID);
- Jump emitNakedCall(void* function);
- Jump emitCTICall_internal(void*);
- Jump emitCTICall(CTIHelper_j helper) { return emitCTICall_internal(reinterpret_cast<void*>(helper)); }
- Jump emitCTICall(CTIHelper_o helper) { return emitCTICall_internal(reinterpret_cast<void*>(helper)); }
- Jump emitCTICall(CTIHelper_p helper) { return emitCTICall_internal(reinterpret_cast<void*>(helper)); }
- Jump emitCTICall(CTIHelper_v helper) { return emitCTICall_internal(reinterpret_cast<void*>(helper)); }
- Jump emitCTICall(CTIHelper_s helper) { return emitCTICall_internal(reinterpret_cast<void*>(helper)); }
- Jump emitCTICall(CTIHelper_b helper) { return emitCTICall_internal(reinterpret_cast<void*>(helper)); }
- Jump emitCTICall(CTIHelper_2 helper) { return emitCTICall_internal(reinterpret_cast<void*>(helper)); }
-
- void emitGetVariableObjectRegister(RegisterID variableObject, int index, RegisterID dst);
- void emitPutVariableObjectRegister(RegisterID src, RegisterID variableObject, int index);
+ // Loads the character value of a single character string into dst.
+ void emitLoadCharacterString(RegisterID src, RegisterID dst, JumpList& failures);
- void emitSlowScriptCheck();
+#if ENABLE(DFG_JIT)
+ void emitEnterOptimizationCheck();
+#else
+ void emitEnterOptimizationCheck() { }
+#endif
+
#ifndef NDEBUG
void printBytecodeOperandTypes(unsigned src1, unsigned src2);
#endif
- void killLastResultRegister();
-
-#if ENABLE(CODEBLOCK_SAMPLING)
- void sampleCodeBlock(CodeBlock* codeBlock)
- {
-#if PLATFORM(X86_64)
- move(ImmPtr(m_interpreter->sampler()->codeBlockSlot()), X86::ecx);
- storePtr(ImmPtr(codeBlock), X86::ecx);
-#else
- storePtr(ImmPtr(codeBlock), m_interpreter->sampler()->codeBlockSlot());
+#if ENABLE(SAMPLING_FLAGS)
+ void setSamplingFlag(int32_t);
+ void clearSamplingFlag(int32_t);
#endif
- }
-#else
- void sampleCodeBlock(CodeBlock*) {}
+
+#if ENABLE(SAMPLING_COUNTERS)
+ void emitCount(AbstractSamplingCounter&, int32_t = 1);
#endif
#if ENABLE(OPCODE_SAMPLING)
- void sampleInstruction(Instruction* instruction, bool inHostFunction=false)
- {
-#if PLATFORM(X86_64)
- move(ImmPtr(m_interpreter->sampler()->sampleSlot()), X86::ecx);
- storePtr(ImmPtr(m_interpreter->sampler()->encodeSample(instruction, inHostFunction)), X86::ecx);
+ void sampleInstruction(Instruction*, bool = false);
+#endif
+
+#if ENABLE(CODEBLOCK_SAMPLING)
+ void sampleCodeBlock(CodeBlock*);
#else
- storePtr(ImmPtr(m_interpreter->sampler()->encodeSample(instruction, inHostFunction)), m_interpreter->sampler()->sampleSlot());
+ void sampleCodeBlock(CodeBlock*) {}
#endif
- }
+
+#if ENABLE(DFG_JIT)
+ bool canBeOptimized() { return m_canBeOptimized; }
+ bool canBeOptimizedOrInlined() { return m_canBeOptimizedOrInlined; }
+ bool shouldEmitProfiling() { return m_shouldEmitProfiling; }
#else
- void sampleInstruction(Instruction*, bool) {}
+ bool canBeOptimized() { return false; }
+ bool canBeOptimizedOrInlined() { return false; }
+ // Enables use of value profiler with tiered compilation turned off,
+ // in which case all code gets profiled.
+ bool shouldEmitProfiling() { return false; }
#endif
Interpreter* m_interpreter;
- JSGlobalData* m_globalData;
+ VM* m_vm;
CodeBlock* m_codeBlock;
Vector<CallRecord> m_calls;
Vector<Label> m_labels;
Vector<PropertyStubCompilationInfo> m_propertyAccessCompilationInfo;
+ Vector<ByValCompilationInfo> m_byValCompilationInfo;
Vector<StructureStubCompilationInfo> m_callStructureStubCompilationInfo;
Vector<JumpTable> m_jmpTable;
- struct JSRInfo {
- DataLabelPtr storeLocation;
- Label target;
-
- JSRInfo(DataLabelPtr storeLocation, Label targetLocation)
- : storeLocation(storeLocation)
- , target(targetLocation)
- {
- }
- };
-
- unsigned m_bytecodeIndex;
- Vector<JSRInfo> m_jsrSites;
+ unsigned m_bytecodeOffset;
Vector<SlowCaseEntry> m_slowCases;
Vector<SwitchRecord> m_switches;
+ unsigned m_propertyAccessInstructionIndex;
+ unsigned m_byValInstructionIndex;
+ unsigned m_globalResolveInfoIndex;
+ unsigned m_callLinkInfoIndex;
+
+#if USE(JSVALUE32_64)
+ unsigned m_jumpTargetIndex;
+ unsigned m_mappedBytecodeOffset;
+ int m_mappedVirtualRegisterIndex;
+ RegisterID m_mappedTag;
+ RegisterID m_mappedPayload;
+#else
int m_lastResultBytecodeRegister;
+#endif
unsigned m_jumpTargetsPosition;
- };
-}
+
+#ifndef NDEBUG
+#if defined(ASSEMBLER_HAS_CONSTANT_POOL) && ASSEMBLER_HAS_CONSTANT_POOL
+ Label m_uninterruptedInstructionSequenceBegin;
+ int m_uninterruptedConstantSequenceBegin;
+#endif
+#endif
+ OwnPtr<JITDisassembler> m_disassembler;
+ RefPtr<Profiler::Compilation> m_compilation;
+ WeakRandom m_randomGenerator;
+ static CodeRef stringGetByValStubGenerator(VM*);
+
+#if ENABLE(VALUE_PROFILER)
+ bool m_canBeOptimized;
+ bool m_canBeOptimizedOrInlined;
+ bool m_shouldEmitProfiling;
+#endif
+ } JIT_CLASS_ALIGNMENT;
+
+} // namespace JSC
#endif // ENABLE(JIT)
projects / apple / javascriptcore.git / blobdiff