/*
- * Copyright (C) 2011, 2012, 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2011, 2012, 2013, 2014 Apple Inc. All rights reserved.
* Copyright (C) 2011 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#if ENABLE(DFG_JIT)
#include "ArrayPrototype.h"
+#include "DFGAbstractInterpreterInlines.h"
#include "DFGCallArrayAllocatorSlowPathGenerator.h"
+#include "DFGOperations.h"
#include "DFGSlowPathGenerator.h"
+#include "Debugger.h"
#include "JSActivation.h"
#include "ObjectPrototype.h"
-#include "Operations.h"
+#include "JSCInlines.h"
namespace JSC { namespace DFG {
#if USE(JSVALUE32_64)
-GPRReg SpeculativeJIT::fillInteger(Edge edge, DataFormat& returnFormat)
-{
- ASSERT(!needsTypeCheck(edge, SpecInt32));
-
- VirtualRegister virtualRegister = edge->virtualRegister();
- GenerationInfo& info = m_generationInfo[virtualRegister];
-
- if (info.registerFormat() == DataFormatNone) {
- GPRReg gpr = allocate();
-
- if (edge->hasConstant()) {
- m_gprs.retain(gpr, virtualRegister, SpillOrderConstant);
- if (isInt32Constant(edge.node()))
- m_jit.move(MacroAssembler::Imm32(valueOfInt32Constant(edge.node())), gpr);
- else if (isNumberConstant(edge.node()))
- RELEASE_ASSERT_NOT_REACHED();
- else {
- ASSERT(isJSConstant(edge.node()));
- JSValue jsValue = valueOfJSConstant(edge.node());
- m_jit.move(MacroAssembler::Imm32(jsValue.payload()), gpr);
- }
- } else {
- ASSERT(info.spillFormat() == DataFormatJS || info.spillFormat() == DataFormatJSInteger || info.spillFormat() == DataFormatInteger);
- m_gprs.retain(gpr, virtualRegister, SpillOrderSpilled);
- m_jit.load32(JITCompiler::payloadFor(virtualRegister), gpr);
- }
-
- info.fillInteger(*m_stream, gpr);
- returnFormat = DataFormatInteger;
- return gpr;
- }
-
- switch (info.registerFormat()) {
- case DataFormatNone:
- // Should have filled, above.
- case DataFormatJSDouble:
- case DataFormatDouble:
- case DataFormatJS:
- case DataFormatCell:
- case DataFormatJSCell:
- case DataFormatBoolean:
- case DataFormatJSBoolean:
- case DataFormatStorage:
- // Should only be calling this function if we know this operand to be integer.
- RELEASE_ASSERT_NOT_REACHED();
-
- case DataFormatJSInteger: {
- GPRReg tagGPR = info.tagGPR();
- GPRReg payloadGPR = info.payloadGPR();
- m_gprs.lock(tagGPR);
- m_jit.jitAssertIsJSInt32(tagGPR);
- m_gprs.unlock(tagGPR);
- m_gprs.lock(payloadGPR);
- m_gprs.release(tagGPR);
- m_gprs.release(payloadGPR);
- m_gprs.retain(payloadGPR, virtualRegister, SpillOrderInteger);
- info.fillInteger(*m_stream, payloadGPR);
- returnFormat = DataFormatInteger;
- return payloadGPR;
- }
-
- case DataFormatInteger: {
- GPRReg gpr = info.gpr();
- m_gprs.lock(gpr);
- m_jit.jitAssertIsInt32(gpr);
- returnFormat = DataFormatInteger;
- return gpr;
- }
-
- default:
- RELEASE_ASSERT_NOT_REACHED();
- return InvalidGPRReg;
- }
-}
-
bool SpeculativeJIT::fillJSValue(Edge edge, GPRReg& tagGPR, GPRReg& payloadGPR, FPRReg& fpr)
{
// FIXME: For double we could fill with a FPR.
UNUSED_PARAM(fpr);
VirtualRegister virtualRegister = edge->virtualRegister();
- GenerationInfo& info = m_generationInfo[virtualRegister];
+ GenerationInfo& info = generationInfoFromVirtualRegister(virtualRegister);
switch (info.registerFormat()) {
case DataFormatNone: {
m_jit.move(Imm32(valueOfJSConstant(edge.node()).payload()), payloadGPR);
m_gprs.retain(tagGPR, virtualRegister, SpillOrderConstant);
m_gprs.retain(payloadGPR, virtualRegister, SpillOrderConstant);
- info.fillJSValue(*m_stream, tagGPR, payloadGPR, isInt32Constant(edge.node()) ? DataFormatJSInteger : DataFormatJS);
+ info.fillJSValue(*m_stream, tagGPR, payloadGPR, isInt32Constant(edge.node()) ? DataFormatJSInt32 : DataFormatJS);
} else {
DataFormat spillFormat = info.spillFormat();
ASSERT(spillFormat != DataFormatNone && spillFormat != DataFormatStorage);
tagGPR = allocate();
payloadGPR = allocate();
switch (spillFormat) {
- case DataFormatInteger:
+ case DataFormatInt32:
m_jit.move(TrustedImm32(JSValue::Int32Tag), tagGPR);
- spillFormat = DataFormatJSInteger; // This will be used as the new register format.
+ spillFormat = DataFormatJSInt32; // This will be used as the new register format.
break;
case DataFormatCell:
m_jit.move(TrustedImm32(JSValue::CellTag), tagGPR);
return true;
}
- case DataFormatInteger:
+ case DataFormatInt32:
case DataFormatCell:
case DataFormatBoolean: {
GPRReg gpr = info.gpr();
uint32_t tag = JSValue::EmptyValueTag;
DataFormat fillFormat = DataFormatJS;
switch (info.registerFormat()) {
- case DataFormatInteger:
+ case DataFormatInt32:
tag = JSValue::Int32Tag;
- fillFormat = DataFormatJSInteger;
+ fillFormat = DataFormatJSInt32;
break;
case DataFormatCell:
tag = JSValue::CellTag;
}
case DataFormatJSDouble:
- case DataFormatDouble: {
- FPRReg oldFPR = info.fpr();
- m_fprs.lock(oldFPR);
- tagGPR = allocate();
- payloadGPR = allocate();
- boxDouble(oldFPR, tagGPR, payloadGPR);
- m_fprs.unlock(oldFPR);
- m_fprs.release(oldFPR);
- m_gprs.retain(tagGPR, virtualRegister, SpillOrderJS);
- m_gprs.retain(payloadGPR, virtualRegister, SpillOrderJS);
- info.fillJSValue(*m_stream, tagGPR, payloadGPR, DataFormatJS);
- return true;
- }
-
case DataFormatJS:
- case DataFormatJSInteger:
+ case DataFormatJSInt32:
case DataFormatJSCell:
case DataFormatJSBoolean: {
tagGPR = info.tagGPR();
}
case DataFormatStorage:
+ case DataFormatDouble:
// this type currently never occurs
RELEASE_ASSERT_NOT_REACHED();
}
}
-void SpeculativeJIT::nonSpeculativeUInt32ToNumber(Node* node)
-{
- IntegerOperand op1(this, node->child1());
- FPRTemporary boxer(this);
- GPRTemporary resultTag(this, op1);
- GPRTemporary resultPayload(this);
-
- JITCompiler::Jump positive = m_jit.branch32(MacroAssembler::GreaterThanOrEqual, op1.gpr(), TrustedImm32(0));
-
- m_jit.convertInt32ToDouble(op1.gpr(), boxer.fpr());
- m_jit.move(JITCompiler::TrustedImmPtr(&AssemblyHelpers::twoToThe32), resultPayload.gpr()); // reuse resultPayload register here.
- m_jit.addDouble(JITCompiler::Address(resultPayload.gpr(), 0), boxer.fpr());
-
- boxDouble(boxer.fpr(), resultTag.gpr(), resultPayload.gpr());
-
- JITCompiler::Jump done = m_jit.jump();
-
- positive.link(&m_jit);
-
- m_jit.move(TrustedImm32(JSValue::Int32Tag), resultTag.gpr());
- m_jit.move(op1.gpr(), resultPayload.gpr());
-
- done.link(&m_jit);
-
- jsValueResult(resultTag.gpr(), resultPayload.gpr(), node);
-}
-
-void SpeculativeJIT::cachedGetById(CodeOrigin codeOrigin, GPRReg baseTagGPROrNone, GPRReg basePayloadGPR, GPRReg resultTagGPR, GPRReg resultPayloadGPR, unsigned identifierNumber, JITCompiler::Jump slowPathTarget, SpillRegistersMode spillMode)
+void SpeculativeJIT::cachedGetById(
+ CodeOrigin codeOrigin, GPRReg baseTagGPROrNone, GPRReg basePayloadGPR, GPRReg resultTagGPR, GPRReg resultPayloadGPR,
+ unsigned identifierNumber, JITCompiler::Jump slowPathTarget, SpillRegistersMode spillMode)
{
- JITCompiler::DataLabelPtr structureToCompare;
- JITCompiler::PatchableJump structureCheck = m_jit.patchableBranchPtrWithPatch(JITCompiler::NotEqual, JITCompiler::Address(basePayloadGPR, JSCell::structureOffset()), structureToCompare, JITCompiler::TrustedImmPtr(reinterpret_cast<void*>(unusedPointer)));
+ // This is a hacky fix for when the register allocator decides to alias the base payload with the result tag. This only happens
+ // in the case of GetByIdFlush, which has a relatively expensive register allocation story already so we probably don't need to
+ // trip over one move instruction.
+ if (basePayloadGPR == resultTagGPR) {
+ RELEASE_ASSERT(basePayloadGPR != resultPayloadGPR);
+
+ if (baseTagGPROrNone == resultPayloadGPR) {
+ m_jit.swap(basePayloadGPR, baseTagGPROrNone);
+ baseTagGPROrNone = resultTagGPR;
+ } else
+ m_jit.move(basePayloadGPR, resultPayloadGPR);
+ basePayloadGPR = resultPayloadGPR;
+ }
- JITCompiler::ConvertibleLoadLabel propertyStorageLoad = m_jit.convertibleLoadPtr(JITCompiler::Address(basePayloadGPR, JSObject::butterflyOffset()), resultPayloadGPR);
- JITCompiler::DataLabelCompact tagLoadWithPatch = m_jit.load32WithCompactAddressOffsetPatch(JITCompiler::Address(resultPayloadGPR, OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)), resultTagGPR);
- JITCompiler::DataLabelCompact payloadLoadWithPatch = m_jit.load32WithCompactAddressOffsetPatch(JITCompiler::Address(resultPayloadGPR, OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)), resultPayloadGPR);
+ JITGetByIdGenerator gen(
+ m_jit.codeBlock(), codeOrigin, usedRegisters(),
+ JSValueRegs(baseTagGPROrNone, basePayloadGPR),
+ JSValueRegs(resultTagGPR, resultPayloadGPR), spillMode);
+
+ gen.generateFastPath(m_jit);
+
+ JITCompiler::JumpList slowCases;
+ if (slowPathTarget.isSet())
+ slowCases.append(slowPathTarget);
+ slowCases.append(gen.slowPathJump());
- JITCompiler::Label doneLabel = m_jit.label();
-
OwnPtr<SlowPathGenerator> slowPath;
if (baseTagGPROrNone == InvalidGPRReg) {
- if (!slowPathTarget.isSet()) {
- slowPath = slowPathCall(
- structureCheck.m_jump, this, operationGetByIdOptimize,
- JSValueRegs(resultTagGPR, resultPayloadGPR),
- static_cast<int32_t>(JSValue::CellTag), basePayloadGPR,
- identifier(identifierNumber));
- } else {
- JITCompiler::JumpList slowCases;
- slowCases.append(structureCheck.m_jump);
- slowCases.append(slowPathTarget);
- slowPath = slowPathCall(
- slowCases, this, operationGetByIdOptimize,
- JSValueRegs(resultTagGPR, resultPayloadGPR),
- static_cast<int32_t>(JSValue::CellTag), basePayloadGPR,
- identifier(identifierNumber));
- }
+ slowPath = slowPathCall(
+ slowCases, this, operationGetByIdOptimize,
+ JSValueRegs(resultTagGPR, resultPayloadGPR), gen.stubInfo(),
+ static_cast<int32_t>(JSValue::CellTag), basePayloadGPR,
+ identifierUID(identifierNumber));
} else {
- if (!slowPathTarget.isSet()) {
- slowPath = slowPathCall(
- structureCheck.m_jump, this, operationGetByIdOptimize,
- JSValueRegs(resultTagGPR, resultPayloadGPR), baseTagGPROrNone, basePayloadGPR,
- identifier(identifierNumber));
- } else {
- JITCompiler::JumpList slowCases;
- slowCases.append(structureCheck.m_jump);
- slowCases.append(slowPathTarget);
- slowPath = slowPathCall(
- slowCases, this, operationGetByIdOptimize,
- JSValueRegs(resultTagGPR, resultPayloadGPR), baseTagGPROrNone, basePayloadGPR,
- identifier(identifierNumber));
- }
+ slowPath = slowPathCall(
+ slowCases, this, operationGetByIdOptimize,
+ JSValueRegs(resultTagGPR, resultPayloadGPR), gen.stubInfo(), baseTagGPROrNone,
+ basePayloadGPR, identifierUID(identifierNumber));
}
- m_jit.addPropertyAccess(
- PropertyAccessRecord(
- codeOrigin, structureToCompare, structureCheck, propertyStorageLoad,
- tagLoadWithPatch, payloadLoadWithPatch, slowPath.get(), doneLabel,
- safeCast<int8_t>(basePayloadGPR), safeCast<int8_t>(resultTagGPR),
- safeCast<int8_t>(resultPayloadGPR), usedRegisters(),
- spillMode == NeedToSpill ? PropertyAccessRecord::RegistersInUse : PropertyAccessRecord::RegistersFlushed));
+
+ m_jit.addGetById(gen, slowPath.get());
addSlowPathGenerator(slowPath.release());
}
-void SpeculativeJIT::cachedPutById(CodeOrigin codeOrigin, GPRReg basePayloadGPR, GPRReg valueTagGPR, GPRReg valuePayloadGPR, Edge valueUse, GPRReg scratchGPR, unsigned identifierNumber, PutKind putKind, JITCompiler::Jump slowPathTarget)
+void SpeculativeJIT::cachedPutById(CodeOrigin codeOrigin, GPRReg basePayloadGPR, GPRReg valueTagGPR, GPRReg valuePayloadGPR, GPRReg scratchGPR, unsigned identifierNumber, PutKind putKind, JITCompiler::Jump slowPathTarget, SpillRegistersMode spillMode)
{
- JITCompiler::DataLabelPtr structureToCompare;
- JITCompiler::PatchableJump structureCheck = m_jit.patchableBranchPtrWithPatch(JITCompiler::NotEqual, JITCompiler::Address(basePayloadGPR, JSCell::structureOffset()), structureToCompare, JITCompiler::TrustedImmPtr(reinterpret_cast<void*>(unusedPointer)));
-
- writeBarrier(basePayloadGPR, valueTagGPR, valueUse, WriteBarrierForPropertyAccess, scratchGPR);
+ JITPutByIdGenerator gen(
+ m_jit.codeBlock(), codeOrigin, usedRegisters(),
+ JSValueRegs::payloadOnly(basePayloadGPR), JSValueRegs(valueTagGPR, valuePayloadGPR),
+ scratchGPR, spillMode, m_jit.ecmaModeFor(codeOrigin), putKind);
+
+ gen.generateFastPath(m_jit);
+
+ JITCompiler::JumpList slowCases;
+ if (slowPathTarget.isSet())
+ slowCases.append(slowPathTarget);
+ slowCases.append(gen.slowPathJump());
- JITCompiler::ConvertibleLoadLabel propertyStorageLoad = m_jit.convertibleLoadPtr(JITCompiler::Address(basePayloadGPR, JSObject::butterflyOffset()), scratchGPR);
- JITCompiler::DataLabel32 tagStoreWithPatch = m_jit.store32WithAddressOffsetPatch(valueTagGPR, JITCompiler::Address(scratchGPR, OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
- JITCompiler::DataLabel32 payloadStoreWithPatch = m_jit.store32WithAddressOffsetPatch(valuePayloadGPR, JITCompiler::Address(scratchGPR, OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
+ OwnPtr<SlowPathGenerator> slowPath = slowPathCall(
+ slowCases, this, gen.slowPathFunction(), NoResult, gen.stubInfo(), valueTagGPR,
+ valuePayloadGPR, basePayloadGPR, identifierUID(identifierNumber));
- JITCompiler::Label doneLabel = m_jit.label();
- V_DFGOperation_EJCI optimizedCall;
- if (m_jit.strictModeFor(m_currentNode->codeOrigin)) {
- if (putKind == Direct)
- optimizedCall = operationPutByIdDirectStrictOptimize;
- else
- optimizedCall = operationPutByIdStrictOptimize;
- } else {
- if (putKind == Direct)
- optimizedCall = operationPutByIdDirectNonStrictOptimize;
- else
- optimizedCall = operationPutByIdNonStrictOptimize;
- }
- OwnPtr<SlowPathGenerator> slowPath;
- if (!slowPathTarget.isSet()) {
- slowPath = slowPathCall(
- structureCheck.m_jump, this, optimizedCall, NoResult, valueTagGPR, valuePayloadGPR,
- basePayloadGPR, identifier(identifierNumber));
- } else {
- JITCompiler::JumpList slowCases;
- slowCases.append(structureCheck.m_jump);
- slowCases.append(slowPathTarget);
- slowPath = slowPathCall(
- slowCases, this, optimizedCall, NoResult, valueTagGPR, valuePayloadGPR,
- basePayloadGPR, identifier(identifierNumber));
- }
- RegisterSet currentlyUsedRegisters = usedRegisters();
- currentlyUsedRegisters.clear(scratchGPR);
- ASSERT(currentlyUsedRegisters.get(basePayloadGPR));
- ASSERT(currentlyUsedRegisters.get(valueTagGPR));
- ASSERT(currentlyUsedRegisters.get(valuePayloadGPR));
- m_jit.addPropertyAccess(
- PropertyAccessRecord(
- codeOrigin, structureToCompare, structureCheck, propertyStorageLoad,
- JITCompiler::DataLabelCompact(tagStoreWithPatch.label()),
- JITCompiler::DataLabelCompact(payloadStoreWithPatch.label()),
- slowPath.get(), doneLabel, safeCast<int8_t>(basePayloadGPR),
- safeCast<int8_t>(valueTagGPR), safeCast<int8_t>(valuePayloadGPR),
- usedRegisters()));
+ m_jit.addPutById(gen, slowPath.get());
addSlowPathGenerator(slowPath.release());
}
GPRReg argTagGPR = arg.tagGPR();
GPRReg argPayloadGPR = arg.payloadGPR();
- GPRTemporary resultPayload(this, arg, false);
+ GPRTemporary resultPayload(this, Reuse, arg, PayloadWord);
GPRReg resultPayloadGPR = resultPayload.gpr();
JITCompiler::Jump notCell;
JITCompiler::Jump notMasqueradesAsUndefined;
- if (m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->isStillValid()) {
+ if (masqueradesAsUndefinedWatchpointIsStillValid()) {
if (!isKnownCell(operand.node()))
- notCell = m_jit.branch32(MacroAssembler::NotEqual, argTagGPR, TrustedImm32(JSValue::CellTag));
-
- m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
+ notCell = branchNotCell(arg.jsValueRegs());
+
m_jit.move(invert ? TrustedImm32(1) : TrustedImm32(0), resultPayloadGPR);
notMasqueradesAsUndefined = m_jit.jump();
} else {
GPRTemporary remoteGlobalObject(this);
if (!isKnownCell(operand.node()))
- notCell = m_jit.branch32(MacroAssembler::NotEqual, argTagGPR, TrustedImm32(JSValue::CellTag));
-
- m_jit.loadPtr(JITCompiler::Address(argPayloadGPR, JSCell::structureOffset()), resultPayloadGPR);
- JITCompiler::Jump isMasqueradesAsUndefined = m_jit.branchTest8(JITCompiler::NonZero, JITCompiler::Address(resultPayloadGPR, Structure::typeInfoFlagsOffset()), JITCompiler::TrustedImm32(MasqueradesAsUndefined));
+ notCell = branchNotCell(arg.jsValueRegs());
+
+ JITCompiler::Jump isMasqueradesAsUndefined = m_jit.branchTest8(
+ JITCompiler::NonZero,
+ JITCompiler::Address(argPayloadGPR, JSCell::typeInfoFlagsOffset()),
+ JITCompiler::TrustedImm32(MasqueradesAsUndefined));
m_jit.move(invert ? TrustedImm32(1) : TrustedImm32(0), resultPayloadGPR);
notMasqueradesAsUndefined = m_jit.jump();
isMasqueradesAsUndefined.link(&m_jit);
GPRReg localGlobalObjectGPR = localGlobalObject.gpr();
GPRReg remoteGlobalObjectGPR = remoteGlobalObject.gpr();
- m_jit.move(JITCompiler::TrustedImmPtr(m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)), localGlobalObjectGPR);
+ m_jit.move(JITCompiler::TrustedImmPtr(m_jit.graph().globalObjectFor(m_currentNode->origin.semantic)), localGlobalObjectGPR);
+ m_jit.loadPtr(JITCompiler::Address(argPayloadGPR, JSCell::structureIDOffset()), resultPayloadGPR);
m_jit.loadPtr(JITCompiler::Address(resultPayloadGPR, Structure::globalObjectOffset()), remoteGlobalObjectGPR);
m_jit.compare32(invert ? JITCompiler::NotEqual : JITCompiler::Equal, localGlobalObjectGPR, remoteGlobalObjectGPR, resultPayloadGPR);
}
void SpeculativeJIT::nonSpeculativePeepholeBranchNull(Edge operand, Node* branchNode, bool invert)
{
- BlockIndex taken = branchNode->takenBlockIndex();
- BlockIndex notTaken = branchNode->notTakenBlockIndex();
+ BasicBlock* taken = branchNode->branchData()->taken.block;
+ BasicBlock* notTaken = branchNode->branchData()->notTaken.block;
if (taken == nextBlock()) {
invert = !invert;
- BlockIndex tmp = taken;
+ BasicBlock* tmp = taken;
taken = notTaken;
notTaken = tmp;
}
GPRReg argTagGPR = arg.tagGPR();
GPRReg argPayloadGPR = arg.payloadGPR();
- GPRTemporary result(this, arg);
+ GPRTemporary result(this, Reuse, arg, TagWord);
GPRReg resultGPR = result.gpr();
JITCompiler::Jump notCell;
- if (m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->isStillValid()) {
+ if (masqueradesAsUndefinedWatchpointIsStillValid()) {
if (!isKnownCell(operand.node()))
- notCell = m_jit.branch32(MacroAssembler::NotEqual, argTagGPR, TrustedImm32(JSValue::CellTag));
-
- m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
+ notCell = branchNotCell(arg.jsValueRegs());
+
jump(invert ? taken : notTaken, ForceJump);
} else {
GPRTemporary localGlobalObject(this);
GPRTemporary remoteGlobalObject(this);
if (!isKnownCell(operand.node()))
- notCell = m_jit.branch32(MacroAssembler::NotEqual, argTagGPR, TrustedImm32(JSValue::CellTag));
-
- m_jit.loadPtr(JITCompiler::Address(argPayloadGPR, JSCell::structureOffset()), resultGPR);
- branchTest8(JITCompiler::Zero, JITCompiler::Address(resultGPR, Structure::typeInfoFlagsOffset()), JITCompiler::TrustedImm32(MasqueradesAsUndefined), invert ? taken : notTaken);
+ notCell = branchNotCell(arg.jsValueRegs());
+
+ branchTest8(JITCompiler::Zero,
+ JITCompiler::Address(argPayloadGPR, JSCell::typeInfoFlagsOffset()),
+ JITCompiler::TrustedImm32(MasqueradesAsUndefined),
+ invert ? taken : notTaken);
GPRReg localGlobalObjectGPR = localGlobalObject.gpr();
GPRReg remoteGlobalObjectGPR = remoteGlobalObject.gpr();
- m_jit.move(TrustedImmPtr(m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)), localGlobalObjectGPR);
+ m_jit.move(TrustedImmPtr(m_jit.graph().globalObjectFor(m_currentNode->origin.semantic)), localGlobalObjectGPR);
+ m_jit.loadPtr(JITCompiler::Address(argPayloadGPR, JSCell::structureIDOffset()), resultGPR);
m_jit.loadPtr(JITCompiler::Address(resultGPR, Structure::globalObjectOffset()), remoteGlobalObjectGPR);
branchPtr(JITCompiler::Equal, localGlobalObjectGPR, remoteGlobalObjectGPR, invert ? notTaken : taken);
}
{
unsigned branchIndexInBlock = detectPeepHoleBranch();
if (branchIndexInBlock != UINT_MAX) {
- Node* branchNode = m_jit.graph().m_blocks[m_block]->at(branchIndexInBlock);
+ Node* branchNode = m_block->at(branchIndexInBlock);
ASSERT(node->adjustedRefCount() == 1);
return false;
}
-void SpeculativeJIT::nonSpeculativePeepholeBranch(Node* node, Node* branchNode, MacroAssembler::RelationalCondition cond, S_DFGOperation_EJJ helperFunction)
+void SpeculativeJIT::nonSpeculativePeepholeBranch(Node* node, Node* branchNode, MacroAssembler::RelationalCondition cond, S_JITOperation_EJJ helperFunction)
{
- BlockIndex taken = branchNode->takenBlockIndex();
- BlockIndex notTaken = branchNode->notTakenBlockIndex();
+ BasicBlock* taken = branchNode->branchData()->taken.block;
+ BasicBlock* notTaken = branchNode->branchData()->notTaken.block;
JITCompiler::ResultCondition callResultCondition = JITCompiler::NonZero;
if (taken == nextBlock()) {
cond = JITCompiler::invert(cond);
callResultCondition = JITCompiler::Zero;
- BlockIndex tmp = taken;
+ BasicBlock* tmp = taken;
taken = notTaken;
notTaken = tmp;
}
jump(notTaken);
- m_indexInBlock = m_jit.graph().m_blocks[m_block]->size() - 1;
+ m_indexInBlock = m_block->size() - 1;
m_currentNode = branchNode;
}
template<typename JumpType>
class CompareAndBoxBooleanSlowPathGenerator
- : public CallSlowPathGenerator<JumpType, S_DFGOperation_EJJ, GPRReg> {
+ : public CallSlowPathGenerator<JumpType, S_JITOperation_EJJ, GPRReg> {
public:
CompareAndBoxBooleanSlowPathGenerator(
JumpType from, SpeculativeJIT* jit,
- S_DFGOperation_EJJ function, GPRReg result, GPRReg arg1Tag, GPRReg arg1Payload,
+ S_JITOperation_EJJ function, GPRReg result, GPRReg arg1Tag, GPRReg arg1Payload,
GPRReg arg2Tag, GPRReg arg2Payload)
- : CallSlowPathGenerator<JumpType, S_DFGOperation_EJJ, GPRReg>(
+ : CallSlowPathGenerator<JumpType, S_JITOperation_EJJ, GPRReg>(
from, jit, function, NeedToSpill, result)
, m_arg1Tag(arg1Tag)
, m_arg1Payload(arg1Payload)
GPRReg m_arg2Payload;
};
-void SpeculativeJIT::nonSpeculativeNonPeepholeCompare(Node* node, MacroAssembler::RelationalCondition cond, S_DFGOperation_EJJ helperFunction)
+void SpeculativeJIT::nonSpeculativeNonPeepholeCompare(Node* node, MacroAssembler::RelationalCondition cond, S_JITOperation_EJJ helperFunction)
{
JSValueOperand arg1(this, node->child1());
JSValueOperand arg2(this, node->child2());
booleanResult(resultPayloadGPR, node, UseChildrenCalledExplicitly);
} else {
- GPRTemporary resultPayload(this, arg1, false);
+ GPRTemporary resultPayload(this, Reuse, arg1, PayloadWord);
GPRReg resultPayloadGPR = resultPayload.gpr();
arg1.use();
void SpeculativeJIT::nonSpeculativePeepholeStrictEq(Node* node, Node* branchNode, bool invert)
{
- BlockIndex taken = branchNode->takenBlockIndex();
- BlockIndex notTaken = branchNode->notTakenBlockIndex();
+ BasicBlock* taken = branchNode->branchData()->taken.block;
+ BasicBlock* notTaken = branchNode->branchData()->notTaken.block;
// The branch instruction will branch to the taken block.
// If taken is next, switch taken with notTaken & invert the branch condition so we can fall through.
if (taken == nextBlock()) {
invert = !invert;
- BlockIndex tmp = taken;
+ BasicBlock* tmp = taken;
taken = notTaken;
notTaken = tmp;
}
GPRReg arg2TagGPR = arg2.tagGPR();
GPRReg arg2PayloadGPR = arg2.payloadGPR();
- GPRTemporary resultPayload(this, arg1, false);
+ GPRTemporary resultPayload(this, Reuse, arg1, PayloadWord);
GPRReg resultPayloadGPR = resultPayload.gpr();
arg1.use();
GPRReg arg2TagGPR = arg2.tagGPR();
GPRReg arg2PayloadGPR = arg2.payloadGPR();
- GPRTemporary resultPayload(this, arg1, false);
+ GPRTemporary resultPayload(this, Reuse, arg1, PayloadWord);
GPRReg resultPayloadGPR = resultPayload.gpr();
arg1.use();
booleanResult(resultPayloadGPR, node, UseChildrenCalledExplicitly);
}
+void SpeculativeJIT::compileMiscStrictEq(Node* node)
+{
+ JSValueOperand op1(this, node->child1(), ManualOperandSpeculation);
+ JSValueOperand op2(this, node->child2(), ManualOperandSpeculation);
+ GPRTemporary result(this);
+
+ if (node->child1().useKind() == MiscUse)
+ speculateMisc(node->child1(), op1.jsValueRegs());
+ if (node->child2().useKind() == MiscUse)
+ speculateMisc(node->child2(), op2.jsValueRegs());
+
+ m_jit.move(TrustedImm32(0), result.gpr());
+ JITCompiler::Jump notEqual = m_jit.branch32(JITCompiler::NotEqual, op1.tagGPR(), op2.tagGPR());
+ m_jit.compare32(JITCompiler::Equal, op1.payloadGPR(), op2.payloadGPR(), result.gpr());
+ notEqual.link(&m_jit);
+ booleanResult(result.gpr(), node);
+}
+
void SpeculativeJIT::emitCall(Node* node)
{
if (node->op() != Call)
// The call instruction's first child is either the function (normal call) or the
// receiver (method call). subsequent children are the arguments.
int numPassedArgs = node->numChildren() - 1;
+
+ int numArgs = numPassedArgs + dummyThisArgument;
- m_jit.store32(MacroAssembler::TrustedImm32(numPassedArgs + dummyThisArgument), callFramePayloadSlot(JSStack::ArgumentCount));
- m_jit.storePtr(GPRInfo::callFrameRegister, callFramePayloadSlot(JSStack::CallerFrame));
- m_jit.store32(calleePayloadGPR, callFramePayloadSlot(JSStack::Callee));
- m_jit.store32(calleeTagGPR, callFrameTagSlot(JSStack::Callee));
+ m_jit.store32(MacroAssembler::TrustedImm32(numArgs), calleeFramePayloadSlot(JSStack::ArgumentCount));
+ m_jit.store32(calleePayloadGPR, calleeFramePayloadSlot(JSStack::Callee));
+ m_jit.store32(calleeTagGPR, calleeFrameTagSlot(JSStack::Callee));
for (int i = 0; i < numPassedArgs; i++) {
Edge argEdge = m_jit.graph().m_varArgChildren[node->firstChild() + 1 + i];
GPRReg argPayloadGPR = arg.payloadGPR();
use(argEdge);
- m_jit.store32(argTagGPR, argumentTagSlot(i + dummyThisArgument));
- m_jit.store32(argPayloadGPR, argumentPayloadSlot(i + dummyThisArgument));
+ m_jit.store32(argTagGPR, calleeArgumentTagSlot(i + dummyThisArgument));
+ m_jit.store32(argPayloadGPR, calleeArgumentPayloadSlot(i + dummyThisArgument));
}
flushRegisters();
JITCompiler::DataLabelPtr targetToCheck;
JITCompiler::JumpList slowPath;
- CallBeginToken token;
- m_jit.beginCall(node->codeOrigin, token);
+ m_jit.emitStoreCodeOrigin(node->origin.semantic);
- m_jit.addPtr(TrustedImm32(m_jit.codeBlock()->m_numCalleeRegisters * sizeof(Register)), GPRInfo::callFrameRegister);
-
- slowPath.append(m_jit.branch32(MacroAssembler::NotEqual, calleeTagGPR, TrustedImm32(JSValue::CellTag)));
+ slowPath.append(branchNotCell(callee.jsValueRegs()));
slowPath.append(m_jit.branchPtrWithPatch(MacroAssembler::NotEqual, calleePayloadGPR, targetToCheck));
m_jit.loadPtr(MacroAssembler::Address(calleePayloadGPR, OBJECT_OFFSETOF(JSFunction, m_scope)), resultPayloadGPR);
- m_jit.storePtr(resultPayloadGPR, MacroAssembler::Address(GPRInfo::callFrameRegister, static_cast<ptrdiff_t>(sizeof(Register)) * JSStack::ScopeChain + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
- m_jit.store32(MacroAssembler::TrustedImm32(JSValue::CellTag), MacroAssembler::Address(GPRInfo::callFrameRegister, static_cast<ptrdiff_t>(sizeof(Register)) * JSStack::ScopeChain + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
+ m_jit.storePtr(resultPayloadGPR, calleeFramePayloadSlot(JSStack::ScopeChain));
+ m_jit.storePtr(MacroAssembler::TrustedImm32(JSValue::CellTag), calleeFrameTagSlot(JSStack::ScopeChain));
- CodeOrigin codeOrigin = node->codeOrigin;
JITCompiler::Call fastCall = m_jit.nearCall();
- m_jit.notifyCall(fastCall, codeOrigin, token);
JITCompiler::Jump done = m_jit.jump();
slowPath.link(&m_jit);
- if (calleeTagGPR == GPRInfo::nonArgGPR0) {
- if (calleePayloadGPR == GPRInfo::nonArgGPR1)
- m_jit.swap(GPRInfo::nonArgGPR1, GPRInfo::nonArgGPR0);
+ // Callee payload needs to be in regT0, tag in regT1
+ if (calleeTagGPR == GPRInfo::regT0) {
+ if (calleePayloadGPR == GPRInfo::regT1)
+ m_jit.swap(GPRInfo::regT1, GPRInfo::regT0);
else {
- m_jit.move(calleeTagGPR, GPRInfo::nonArgGPR1);
- m_jit.move(calleePayloadGPR, GPRInfo::nonArgGPR0);
+ m_jit.move(calleeTagGPR, GPRInfo::regT1);
+ m_jit.move(calleePayloadGPR, GPRInfo::regT0);
}
} else {
- m_jit.move(calleePayloadGPR, GPRInfo::nonArgGPR0);
- m_jit.move(calleeTagGPR, GPRInfo::nonArgGPR1);
+ m_jit.move(calleePayloadGPR, GPRInfo::regT0);
+ m_jit.move(calleeTagGPR, GPRInfo::regT1);
}
- m_jit.prepareForExceptionCheck();
+ CallLinkInfo* info = m_jit.codeBlock()->addCallLinkInfo();
+ m_jit.move(MacroAssembler::TrustedImmPtr(info), GPRInfo::regT2);
JITCompiler::Call slowCall = m_jit.nearCall();
- m_jit.notifyCall(slowCall, codeOrigin, token);
done.link(&m_jit);
jsValueResult(resultTagGPR, resultPayloadGPR, node, DataFormatJS, UseChildrenCalledExplicitly);
- m_jit.addJSCall(fastCall, slowCall, targetToCheck, callType, calleePayloadGPR, node->codeOrigin);
+ info->callType = callType;
+ info->codeOrigin = node->origin.semantic;
+ info->calleeGPR = calleePayloadGPR;
+ m_jit.addJSCall(fastCall, slowCall, targetToCheck, info);
}
template<bool strict>
-GPRReg SpeculativeJIT::fillSpeculateIntInternal(Edge edge, DataFormat& returnFormat)
+GPRReg SpeculativeJIT::fillSpeculateInt32Internal(Edge edge, DataFormat& returnFormat)
{
-#if DFG_ENABLE(DEBUG_VERBOSE)
- dataLogF("SpecInt@%d ", edge->index());
-#endif
AbstractValue& value = m_state.forNode(edge);
SpeculatedType type = value.m_type;
ASSERT(edge.useKind() != KnownInt32Use || !(value.m_type & ~SpecInt32));
- value.filter(SpecInt32);
+ m_interpreter.filter(value, SpecInt32);
VirtualRegister virtualRegister = edge->virtualRegister();
- GenerationInfo& info = m_generationInfo[virtualRegister];
+ GenerationInfo& info = generationInfoFromVirtualRegister(virtualRegister);
+ if (edge->hasConstant() && !isInt32Constant(edge.node())) {
+ terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
+ returnFormat = DataFormatInt32;
+ return allocate();
+ }
+
switch (info.registerFormat()) {
case DataFormatNone: {
- if ((edge->hasConstant() && !isInt32Constant(edge.node())) || info.spillFormat() == DataFormatDouble) {
- terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
- returnFormat = DataFormatInteger;
- return allocate();
- }
-
if (edge->hasConstant()) {
ASSERT(isInt32Constant(edge.node()));
GPRReg gpr = allocate();
m_jit.move(MacroAssembler::Imm32(valueOfInt32Constant(edge.node())), gpr);
m_gprs.retain(gpr, virtualRegister, SpillOrderConstant);
- info.fillInteger(*m_stream, gpr);
- returnFormat = DataFormatInteger;
+ info.fillInt32(*m_stream, gpr);
+ returnFormat = DataFormatInt32;
return gpr;
}
DataFormat spillFormat = info.spillFormat();
- ASSERT_UNUSED(spillFormat, (spillFormat & DataFormatJS) || spillFormat == DataFormatInteger);
+ ASSERT_UNUSED(spillFormat, (spillFormat & DataFormatJS) || spillFormat == DataFormatInt32);
// If we know this was spilled as an integer we can fill without checking.
if (type & ~SpecInt32)
GPRReg gpr = allocate();
m_jit.load32(JITCompiler::payloadFor(virtualRegister), gpr);
m_gprs.retain(gpr, virtualRegister, SpillOrderSpilled);
- info.fillInteger(*m_stream, gpr);
- returnFormat = DataFormatInteger;
+ info.fillInt32(*m_stream, gpr);
+ returnFormat = DataFormatInt32;
return gpr;
}
- case DataFormatJSInteger:
+ case DataFormatJSInt32:
case DataFormatJS: {
// Check the value is an integer.
GPRReg tagGPR = info.tagGPR();
m_gprs.release(tagGPR);
m_gprs.release(payloadGPR);
m_gprs.retain(payloadGPR, virtualRegister, SpillOrderInteger);
- info.fillInteger(*m_stream, payloadGPR);
+ info.fillInt32(*m_stream, payloadGPR);
// If !strict we're done, return.
- returnFormat = DataFormatInteger;
+ returnFormat = DataFormatInt32;
return payloadGPR;
}
- case DataFormatInteger: {
+ case DataFormatInt32: {
GPRReg gpr = info.gpr();
m_gprs.lock(gpr);
- returnFormat = DataFormatInteger;
+ returnFormat = DataFormatInt32;
return gpr;
}
- case DataFormatDouble:
case DataFormatCell:
case DataFormatBoolean:
case DataFormatJSDouble:
case DataFormatJSCell:
case DataFormatJSBoolean:
terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
- returnFormat = DataFormatInteger;
+ returnFormat = DataFormatInt32;
return allocate();
+ case DataFormatDouble:
case DataFormatStorage:
default:
RELEASE_ASSERT_NOT_REACHED();
}
}
-GPRReg SpeculativeJIT::fillSpeculateInt(Edge edge, DataFormat& returnFormat)
+GPRReg SpeculativeJIT::fillSpeculateInt32(Edge edge, DataFormat& returnFormat)
{
- return fillSpeculateIntInternal<false>(edge, returnFormat);
+ return fillSpeculateInt32Internal<false>(edge, returnFormat);
}
-GPRReg SpeculativeJIT::fillSpeculateIntStrict(Edge edge)
+GPRReg SpeculativeJIT::fillSpeculateInt32Strict(Edge edge)
{
- DataFormat mustBeDataFormatInteger;
- GPRReg result = fillSpeculateIntInternal<true>(edge, mustBeDataFormatInteger);
- ASSERT(mustBeDataFormatInteger == DataFormatInteger);
+ DataFormat mustBeDataFormatInt32;
+ GPRReg result = fillSpeculateInt32Internal<true>(edge, mustBeDataFormatInt32);
+ ASSERT(mustBeDataFormatInt32 == DataFormatInt32);
return result;
}
FPRReg SpeculativeJIT::fillSpeculateDouble(Edge edge)
{
-#if DFG_ENABLE(DEBUG_VERBOSE)
- dataLogF("SpecDouble@%d ", edge->index());
-#endif
- AbstractValue& value = m_state.forNode(edge);
- SpeculatedType type = value.m_type;
- ASSERT(edge.useKind() != KnownNumberUse || !(value.m_type & ~SpecNumber));
- value.filter(SpecNumber);
+ ASSERT(isDouble(edge.useKind()));
+ ASSERT(edge->hasDoubleResult());
VirtualRegister virtualRegister = edge->virtualRegister();
- GenerationInfo& info = m_generationInfo[virtualRegister];
+ GenerationInfo& info = generationInfoFromVirtualRegister(virtualRegister);
if (info.registerFormat() == DataFormatNone) {
if (edge->hasConstant()) {
- if (isInt32Constant(edge.node())) {
- GPRReg gpr = allocate();
- m_jit.move(MacroAssembler::Imm32(valueOfInt32Constant(edge.node())), gpr);
- m_gprs.retain(gpr, virtualRegister, SpillOrderConstant);
- info.fillInteger(*m_stream, gpr);
- unlock(gpr);
- } else if (isNumberConstant(edge.node())) {
- FPRReg fpr = fprAllocate();
- m_jit.loadDouble(addressOfDoubleConstant(edge.node()), fpr);
- m_fprs.retain(fpr, virtualRegister, SpillOrderConstant);
- info.fillDouble(*m_stream, fpr);
- return fpr;
- } else {
- terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
- return fprAllocate();
- }
- } else {
- DataFormat spillFormat = info.spillFormat();
- ASSERT((spillFormat & DataFormatJS) || spillFormat == DataFormatInteger);
- if (spillFormat == DataFormatJSDouble || spillFormat == DataFormatDouble) {
- FPRReg fpr = fprAllocate();
- m_jit.loadDouble(JITCompiler::addressFor(virtualRegister), fpr);
- m_fprs.retain(fpr, virtualRegister, SpillOrderSpilled);
- info.fillDouble(*m_stream, fpr);
- return fpr;
- }
-
+ RELEASE_ASSERT(isNumberConstant(edge.node()));
FPRReg fpr = fprAllocate();
- JITCompiler::Jump hasUnboxedDouble;
-
- if (spillFormat != DataFormatJSInteger && spillFormat != DataFormatInteger) {
- JITCompiler::Jump isInteger = m_jit.branch32(MacroAssembler::Equal, JITCompiler::tagFor(virtualRegister), TrustedImm32(JSValue::Int32Tag));
- if (type & ~SpecNumber)
- speculationCheck(BadType, JSValueSource(JITCompiler::addressFor(virtualRegister)), edge, m_jit.branch32(MacroAssembler::AboveOrEqual, JITCompiler::tagFor(virtualRegister), TrustedImm32(JSValue::LowestTag)));
- m_jit.loadDouble(JITCompiler::addressFor(virtualRegister), fpr);
- hasUnboxedDouble = m_jit.jump();
-
- isInteger.link(&m_jit);
- }
-
- m_jit.convertInt32ToDouble(JITCompiler::payloadFor(virtualRegister), fpr);
-
- if (hasUnboxedDouble.isSet())
- hasUnboxedDouble.link(&m_jit);
-
- m_fprs.retain(fpr, virtualRegister, SpillOrderSpilled);
+ m_jit.loadDouble(TrustedImmPtr(addressOfDoubleConstant(edge.node())), fpr);
+ m_fprs.retain(fpr, virtualRegister, SpillOrderConstant);
info.fillDouble(*m_stream, fpr);
- info.killSpilled();
return fpr;
}
- }
-
- switch (info.registerFormat()) {
- case DataFormatJS:
- case DataFormatJSInteger: {
- GPRReg tagGPR = info.tagGPR();
- GPRReg payloadGPR = info.payloadGPR();
+
+ RELEASE_ASSERT(info.spillFormat() == DataFormatDouble);
FPRReg fpr = fprAllocate();
-
- m_gprs.lock(tagGPR);
- m_gprs.lock(payloadGPR);
-
- JITCompiler::Jump hasUnboxedDouble;
-
- if (info.registerFormat() != DataFormatJSInteger) {
- FPRTemporary scratch(this);
- JITCompiler::Jump isInteger = m_jit.branch32(MacroAssembler::Equal, tagGPR, TrustedImm32(JSValue::Int32Tag));
- if (type & ~SpecNumber)
- speculationCheck(BadType, JSValueRegs(tagGPR, payloadGPR), edge, m_jit.branch32(MacroAssembler::AboveOrEqual, tagGPR, TrustedImm32(JSValue::LowestTag)));
- unboxDouble(tagGPR, payloadGPR, fpr, scratch.fpr());
- hasUnboxedDouble = m_jit.jump();
- isInteger.link(&m_jit);
- }
-
- m_jit.convertInt32ToDouble(payloadGPR, fpr);
-
- if (hasUnboxedDouble.isSet())
- hasUnboxedDouble.link(&m_jit);
-
- m_gprs.release(tagGPR);
- m_gprs.release(payloadGPR);
- m_gprs.unlock(tagGPR);
- m_gprs.unlock(payloadGPR);
- m_fprs.retain(fpr, virtualRegister, SpillOrderDouble);
+ m_jit.loadDouble(JITCompiler::addressFor(virtualRegister), fpr);
+ m_fprs.retain(fpr, virtualRegister, SpillOrderSpilled);
info.fillDouble(*m_stream, fpr);
- info.killSpilled();
- return fpr;
- }
-
- case DataFormatInteger: {
- FPRReg fpr = fprAllocate();
- GPRReg gpr = info.gpr();
- m_gprs.lock(gpr);
- m_jit.convertInt32ToDouble(gpr, fpr);
- m_gprs.unlock(gpr);
return fpr;
}
- case DataFormatJSDouble:
- case DataFormatDouble: {
- FPRReg fpr = info.fpr();
- m_fprs.lock(fpr);
- return fpr;
- }
-
- case DataFormatNone:
- case DataFormatStorage:
- RELEASE_ASSERT_NOT_REACHED();
-
- case DataFormatCell:
- case DataFormatJSCell:
- case DataFormatBoolean:
- case DataFormatJSBoolean:
- terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
- return fprAllocate();
-
- default:
- RELEASE_ASSERT_NOT_REACHED();
- return InvalidFPRReg;
- }
+ RELEASE_ASSERT(info.registerFormat() == DataFormatDouble);
+ FPRReg fpr = info.fpr();
+ m_fprs.lock(fpr);
+ return fpr;
}
GPRReg SpeculativeJIT::fillSpeculateCell(Edge edge)
{
-#if DFG_ENABLE(DEBUG_VERBOSE)
- dataLogF("SpecCell@%d ", edge->index());
-#endif
AbstractValue& value = m_state.forNode(edge);
SpeculatedType type = value.m_type;
ASSERT((edge.useKind() != KnownCellUse && edge.useKind() != KnownStringUse) || !(value.m_type & ~SpecCell));
- value.filter(SpecCell);
+ m_interpreter.filter(value, SpecCell);
VirtualRegister virtualRegister = edge->virtualRegister();
- GenerationInfo& info = m_generationInfo[virtualRegister];
+ GenerationInfo& info = generationInfoFromVirtualRegister(virtualRegister);
switch (info.registerFormat()) {
case DataFormatNone: {
- if (info.spillFormat() == DataFormatInteger || info.spillFormat() == DataFormatDouble) {
+ if (info.spillFormat() == DataFormatInt32) {
terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
return allocate();
}
}
ASSERT((info.spillFormat() & DataFormatJS) || info.spillFormat() == DataFormatCell);
- if (type & ~SpecCell)
- speculationCheck(BadType, JSValueSource(JITCompiler::addressFor(virtualRegister)), edge, m_jit.branch32(MacroAssembler::NotEqual, JITCompiler::tagFor(virtualRegister), TrustedImm32(JSValue::CellTag)));
+ if (type & ~SpecCell) {
+ speculationCheck(
+ BadType,
+ JSValueSource(JITCompiler::addressFor(virtualRegister)),
+ edge,
+ m_jit.branch32(
+ MacroAssembler::NotEqual,
+ JITCompiler::tagFor(virtualRegister),
+ TrustedImm32(JSValue::CellTag)));
+ }
GPRReg gpr = allocate();
m_jit.load32(JITCompiler::payloadFor(virtualRegister), gpr);
m_gprs.retain(gpr, virtualRegister, SpillOrderSpilled);
GPRReg payloadGPR = info.payloadGPR();
m_gprs.lock(tagGPR);
m_gprs.lock(payloadGPR);
- if (type & ~SpecCell)
- speculationCheck(BadType, JSValueRegs(tagGPR, payloadGPR), edge, m_jit.branch32(MacroAssembler::NotEqual, tagGPR, TrustedImm32(JSValue::CellTag)));
+ if (type & ~SpecCell) {
+ speculationCheck(
+ BadType, JSValueRegs(tagGPR, payloadGPR), edge,
+ branchNotCell(info.jsValueRegs()));
+ }
m_gprs.unlock(tagGPR);
m_gprs.release(tagGPR);
m_gprs.release(payloadGPR);
return payloadGPR;
}
- case DataFormatJSInteger:
- case DataFormatInteger:
+ case DataFormatJSInt32:
+ case DataFormatInt32:
case DataFormatJSDouble:
- case DataFormatDouble:
case DataFormatJSBoolean:
case DataFormatBoolean:
terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
return allocate();
+ case DataFormatDouble:
case DataFormatStorage:
RELEASE_ASSERT_NOT_REACHED();
GPRReg SpeculativeJIT::fillSpeculateBoolean(Edge edge)
{
-#if DFG_ENABLE(DEBUG_VERBOSE)
- dataLogF("SpecBool@%d ", edge.node()->index());
-#endif
AbstractValue& value = m_state.forNode(edge);
SpeculatedType type = value.m_type;
- value.filter(SpecBoolean);
+ m_interpreter.filter(value, SpecBoolean);
VirtualRegister virtualRegister = edge->virtualRegister();
- GenerationInfo& info = m_generationInfo[virtualRegister];
+ GenerationInfo& info = generationInfoFromVirtualRegister(virtualRegister);
switch (info.registerFormat()) {
case DataFormatNone: {
- if (info.spillFormat() == DataFormatInteger || info.spillFormat() == DataFormatDouble) {
+ if (info.spillFormat() == DataFormatInt32) {
terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
return allocate();
}
return payloadGPR;
}
- case DataFormatJSInteger:
- case DataFormatInteger:
+ case DataFormatJSInt32:
+ case DataFormatInt32:
case DataFormatJSDouble:
- case DataFormatDouble:
case DataFormatJSCell:
case DataFormatCell:
terminateSpeculativeExecution(Uncountable, JSValueRegs(), 0);
return allocate();
+ case DataFormatDouble:
case DataFormatStorage:
RELEASE_ASSERT_NOT_REACHED();
}
}
-JITCompiler::Jump SpeculativeJIT::convertToDouble(JSValueOperand& op, FPRReg result)
+void SpeculativeJIT::compileBaseValueStoreBarrier(Edge& baseEdge, Edge& valueEdge)
{
- FPRTemporary scratch(this);
-
- GPRReg opPayloadGPR = op.payloadGPR();
- GPRReg opTagGPR = op.tagGPR();
- FPRReg scratchFPR = scratch.fpr();
-
- JITCompiler::Jump isInteger = m_jit.branch32(MacroAssembler::Equal, opTagGPR, TrustedImm32(JSValue::Int32Tag));
- JITCompiler::Jump notNumber = m_jit.branch32(MacroAssembler::AboveOrEqual, opPayloadGPR, TrustedImm32(JSValue::LowestTag));
-
- unboxDouble(opTagGPR, opPayloadGPR, result, scratchFPR);
- JITCompiler::Jump done = m_jit.jump();
-
- isInteger.link(&m_jit);
- m_jit.convertInt32ToDouble(opPayloadGPR, result);
+#if ENABLE(GGC)
+ ASSERT(!isKnownNotCell(valueEdge.node()));
- done.link(&m_jit);
+ SpeculateCellOperand base(this, baseEdge);
+ JSValueOperand value(this, valueEdge);
+ GPRTemporary scratch1(this);
+ GPRTemporary scratch2(this);
- return notNumber;
+ writeBarrier(base.gpr(), value.tagGPR(), valueEdge, scratch1.gpr(), scratch2.gpr());
+#else
+ UNUSED_PARAM(baseEdge);
+ UNUSED_PARAM(valueEdge);
+#endif
}
void SpeculativeJIT::compileObjectEquality(Node* node)
GPRReg op1GPR = op1.gpr();
GPRReg op2GPR = op2.gpr();
- if (m_jit.graph().globalObjectFor(node->codeOrigin)->masqueradesAsUndefinedWatchpoint()->isStillValid()) {
- m_jit.graph().globalObjectFor(node->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
+ if (masqueradesAsUndefinedWatchpointIsStillValid()) {
DFG_TYPE_CHECK(
JSValueSource::unboxedCell(op1GPR), node->child1(), SpecObject, m_jit.branchPtr(
MacroAssembler::Equal,
- MacroAssembler::Address(op1GPR, JSCell::structureOffset()),
+ MacroAssembler::Address(op1GPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
DFG_TYPE_CHECK(
JSValueSource::unboxedCell(op2GPR), node->child2(), SpecObject, m_jit.branchPtr(
MacroAssembler::Equal,
- MacroAssembler::Address(op2GPR, JSCell::structureOffset()),
+ MacroAssembler::Address(op2GPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
} else {
- GPRTemporary structure(this);
- GPRReg structureGPR = structure.gpr();
-
- m_jit.loadPtr(MacroAssembler::Address(op1GPR, JSCell::structureOffset()), structureGPR);
DFG_TYPE_CHECK(
JSValueSource::unboxedCell(op1GPR), node->child1(), SpecObject, m_jit.branchPtr(
MacroAssembler::Equal,
- structureGPR,
+ MacroAssembler::Address(op1GPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
speculationCheck(BadType, JSValueSource::unboxedCell(op1GPR), node->child1(),
m_jit.branchTest8(
MacroAssembler::NonZero,
- MacroAssembler::Address(structureGPR, Structure::typeInfoFlagsOffset()),
+ MacroAssembler::Address(op1GPR, JSCell::typeInfoFlagsOffset()),
MacroAssembler::TrustedImm32(MasqueradesAsUndefined)));
- m_jit.loadPtr(MacroAssembler::Address(op2GPR, JSCell::structureOffset()), structureGPR);
DFG_TYPE_CHECK(
JSValueSource::unboxedCell(op2GPR), node->child2(), SpecObject, m_jit.branchPtr(
MacroAssembler::Equal,
- structureGPR,
+ MacroAssembler::Address(op2GPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
speculationCheck(BadType, JSValueSource::unboxedCell(op2GPR), node->child2(),
m_jit.branchTest8(
MacroAssembler::NonZero,
- MacroAssembler::Address(structureGPR, Structure::typeInfoFlagsOffset()),
+ MacroAssembler::Address(op2GPR, JSCell::typeInfoFlagsOffset()),
MacroAssembler::TrustedImm32(MasqueradesAsUndefined)));
}
- GPRTemporary resultPayload(this, op2);
+ GPRTemporary resultPayload(this, Reuse, op2);
GPRReg resultPayloadGPR = resultPayload.gpr();
MacroAssembler::Jump falseCase = m_jit.branchPtr(MacroAssembler::NotEqual, op1GPR, op2GPR);
GPRReg op2TagGPR = op2.tagGPR();
GPRReg op2PayloadGPR = op2.payloadGPR();
GPRReg resultGPR = result.gpr();
- GPRTemporary structure;
- GPRReg structureGPR = InvalidGPRReg;
- bool masqueradesAsUndefinedWatchpointValid = m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->isStillValid();
-
- if (!masqueradesAsUndefinedWatchpointValid) {
- // The masquerades as undefined case will use the structure register, so allocate it here.
- // Do this at the top of the function to avoid branching around a register allocation.
- GPRTemporary realStructure(this);
- structure.adopt(realStructure);
- structureGPR = structure.gpr();
- }
+ bool masqueradesAsUndefinedWatchpointValid =
+ masqueradesAsUndefinedWatchpointIsStillValid();
if (masqueradesAsUndefinedWatchpointValid) {
- m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
DFG_TYPE_CHECK(
JSValueSource::unboxedCell(op1GPR), leftChild, SpecObject, m_jit.branchPtr(
MacroAssembler::Equal,
- MacroAssembler::Address(op1GPR, JSCell::structureOffset()),
+ MacroAssembler::Address(op1GPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
} else {
- m_jit.loadPtr(MacroAssembler::Address(op1GPR, JSCell::structureOffset()), structureGPR);
DFG_TYPE_CHECK(
JSValueSource::unboxedCell(op1GPR), leftChild, SpecObject, m_jit.branchPtr(
MacroAssembler::Equal,
- structureGPR,
+ MacroAssembler::Address(op1GPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
speculationCheck(BadType, JSValueSource::unboxedCell(op1GPR), leftChild,
m_jit.branchTest8(
MacroAssembler::NonZero,
- MacroAssembler::Address(structureGPR, Structure::typeInfoFlagsOffset()),
+ MacroAssembler::Address(op1GPR, JSCell::typeInfoFlagsOffset()),
MacroAssembler::TrustedImm32(MasqueradesAsUndefined)));
}
// It seems that most of the time when programs do a == b where b may be either null/undefined
// or an object, b is usually an object. Balance the branches to make that case fast.
- MacroAssembler::Jump rightNotCell =
- m_jit.branch32(MacroAssembler::NotEqual, op2TagGPR, TrustedImm32(JSValue::CellTag));
+ MacroAssembler::Jump rightNotCell = branchNotCell(op2.jsValueRegs());
// We know that within this branch, rightChild must be a cell.
if (masqueradesAsUndefinedWatchpointValid) {
- m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
DFG_TYPE_CHECK(
JSValueRegs(op2TagGPR, op2PayloadGPR), rightChild, (~SpecCell) | SpecObject,
m_jit.branchPtr(
MacroAssembler::Equal,
- MacroAssembler::Address(op2PayloadGPR, JSCell::structureOffset()),
+ MacroAssembler::Address(op2PayloadGPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
} else {
- m_jit.loadPtr(MacroAssembler::Address(op2PayloadGPR, JSCell::structureOffset()), structureGPR);
DFG_TYPE_CHECK(
JSValueRegs(op2TagGPR, op2PayloadGPR), rightChild, (~SpecCell) | SpecObject,
m_jit.branchPtr(
MacroAssembler::Equal,
- structureGPR,
+ MacroAssembler::Address(op2PayloadGPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
speculationCheck(BadType, JSValueRegs(op2TagGPR, op2PayloadGPR), rightChild,
m_jit.branchTest8(
MacroAssembler::NonZero,
- MacroAssembler::Address(structureGPR, Structure::typeInfoFlagsOffset()),
+ MacroAssembler::Address(op2PayloadGPR, JSCell::typeInfoFlagsOffset()),
MacroAssembler::TrustedImm32(MasqueradesAsUndefined)));
}
void SpeculativeJIT::compilePeepHoleObjectToObjectOrOtherEquality(Edge leftChild, Edge rightChild, Node* branchNode)
{
- BlockIndex taken = branchNode->takenBlockIndex();
- BlockIndex notTaken = branchNode->notTakenBlockIndex();
+ BasicBlock* taken = branchNode->branchData()->taken.block;
+ BasicBlock* notTaken = branchNode->branchData()->notTaken.block;
SpeculateCellOperand op1(this, leftChild);
JSValueOperand op2(this, rightChild, ManualOperandSpeculation);
GPRReg op2TagGPR = op2.tagGPR();
GPRReg op2PayloadGPR = op2.payloadGPR();
GPRReg resultGPR = result.gpr();
- GPRTemporary structure;
- GPRReg structureGPR = InvalidGPRReg;
- bool masqueradesAsUndefinedWatchpointValid = m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->isStillValid();
-
- if (!masqueradesAsUndefinedWatchpointValid) {
- // The masquerades as undefined case will use the structure register, so allocate it here.
- // Do this at the top of the function to avoid branching around a register allocation.
- GPRTemporary realStructure(this);
- structure.adopt(realStructure);
- structureGPR = structure.gpr();
- }
+ bool masqueradesAsUndefinedWatchpointValid =
+ masqueradesAsUndefinedWatchpointIsStillValid();
if (masqueradesAsUndefinedWatchpointValid) {
- m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
DFG_TYPE_CHECK(
JSValueSource::unboxedCell(op1GPR), leftChild, SpecObject, m_jit.branchPtr(
MacroAssembler::Equal,
- MacroAssembler::Address(op1GPR, JSCell::structureOffset()),
+ MacroAssembler::Address(op1GPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
} else {
- m_jit.loadPtr(MacroAssembler::Address(op1GPR, JSCell::structureOffset()), structureGPR);
DFG_TYPE_CHECK(
JSValueSource::unboxedCell(op1GPR), leftChild, SpecObject, m_jit.branchPtr(
MacroAssembler::Equal,
- structureGPR,
+ MacroAssembler::Address(op1GPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
speculationCheck(BadType, JSValueSource::unboxedCell(op1GPR), leftChild,
m_jit.branchTest8(
MacroAssembler::NonZero,
- MacroAssembler::Address(structureGPR, Structure::typeInfoFlagsOffset()),
+ MacroAssembler::Address(op1GPR, JSCell::typeInfoFlagsOffset()),
MacroAssembler::TrustedImm32(MasqueradesAsUndefined)));
}
// It seems that most of the time when programs do a == b where b may be either null/undefined
// or an object, b is usually an object. Balance the branches to make that case fast.
- MacroAssembler::Jump rightNotCell =
- m_jit.branch32(MacroAssembler::NotEqual, op2TagGPR, TrustedImm32(JSValue::CellTag));
+ MacroAssembler::Jump rightNotCell = branchNotCell(op2.jsValueRegs());
// We know that within this branch, rightChild must be a cell.
if (masqueradesAsUndefinedWatchpointValid) {
- m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
DFG_TYPE_CHECK(
JSValueRegs(op2TagGPR, op2PayloadGPR), rightChild, (~SpecCell) | SpecObject,
m_jit.branchPtr(
MacroAssembler::Equal,
- MacroAssembler::Address(op2PayloadGPR, JSCell::structureOffset()),
+ MacroAssembler::Address(op2PayloadGPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
} else {
- m_jit.loadPtr(MacroAssembler::Address(op2PayloadGPR, JSCell::structureOffset()), structureGPR);
DFG_TYPE_CHECK(
JSValueRegs(op2TagGPR, op2PayloadGPR), rightChild, (~SpecCell) | SpecObject,
m_jit.branchPtr(
MacroAssembler::Equal,
- structureGPR,
+ MacroAssembler::Address(op2PayloadGPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
speculationCheck(BadType, JSValueRegs(op2TagGPR, op2PayloadGPR), rightChild,
m_jit.branchTest8(
MacroAssembler::NonZero,
- MacroAssembler::Address(structureGPR, Structure::typeInfoFlagsOffset()),
+ MacroAssembler::Address(op2PayloadGPR, JSCell::typeInfoFlagsOffset()),
MacroAssembler::TrustedImm32(MasqueradesAsUndefined)));
}
jump(notTaken);
}
-void SpeculativeJIT::compileIntegerCompare(Node* node, MacroAssembler::RelationalCondition condition)
+void SpeculativeJIT::compileInt32Compare(Node* node, MacroAssembler::RelationalCondition condition)
{
- SpeculateIntegerOperand op1(this, node->child1());
- SpeculateIntegerOperand op2(this, node->child2());
+ SpeculateInt32Operand op1(this, node->child1());
+ SpeculateInt32Operand op2(this, node->child2());
GPRTemporary resultPayload(this);
m_jit.compare32(condition, op1.gpr(), op2.gpr(), resultPayload.gpr());
booleanResult(resultPayload.gpr(), node);
}
-void SpeculativeJIT::compileValueAdd(Node* node)
-{
- JSValueOperand op1(this, node->child1());
- JSValueOperand op2(this, node->child2());
-
- GPRReg op1TagGPR = op1.tagGPR();
- GPRReg op1PayloadGPR = op1.payloadGPR();
- GPRReg op2TagGPR = op2.tagGPR();
- GPRReg op2PayloadGPR = op2.payloadGPR();
-
- flushRegisters();
-
- GPRResult2 resultTag(this);
- GPRResult resultPayload(this);
- if (isKnownNotNumber(node->child1().node()) || isKnownNotNumber(node->child2().node()))
- callOperation(operationValueAddNotNumber, resultTag.gpr(), resultPayload.gpr(), op1TagGPR, op1PayloadGPR, op2TagGPR, op2PayloadGPR);
- else
- callOperation(operationValueAdd, resultTag.gpr(), resultPayload.gpr(), op1TagGPR, op1PayloadGPR, op2TagGPR, op2PayloadGPR);
-
- jsValueResult(resultTag.gpr(), resultPayload.gpr(), node);
-}
-
void SpeculativeJIT::compileObjectOrOtherLogicalNot(Edge nodeUse)
{
JSValueOperand value(this, nodeUse, ManualOperandSpeculation);
GPRTemporary structure;
GPRReg structureGPR = InvalidGPRReg;
- bool masqueradesAsUndefinedWatchpointValid = m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->isStillValid();
+ bool masqueradesAsUndefinedWatchpointValid =
+ masqueradesAsUndefinedWatchpointIsStillValid();
if (!masqueradesAsUndefinedWatchpointValid) {
// The masquerades as undefined case will use the structure register, so allocate it here.
structureGPR = structure.gpr();
}
- MacroAssembler::Jump notCell = m_jit.branch32(MacroAssembler::NotEqual, valueTagGPR, TrustedImm32(JSValue::CellTag));
+ MacroAssembler::Jump notCell = branchNotCell(value.jsValueRegs());
if (masqueradesAsUndefinedWatchpointValid) {
- m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
-
DFG_TYPE_CHECK(
JSValueRegs(valueTagGPR, valuePayloadGPR), nodeUse, (~SpecCell) | SpecObject,
m_jit.branchPtr(
MacroAssembler::Equal,
- MacroAssembler::Address(valuePayloadGPR, JSCell::structureOffset()),
+ MacroAssembler::Address(valuePayloadGPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
} else {
- m_jit.loadPtr(MacroAssembler::Address(valuePayloadGPR, JSCell::structureOffset()), structureGPR);
+ m_jit.loadPtr(MacroAssembler::Address(valuePayloadGPR, JSCell::structureIDOffset()), structureGPR);
DFG_TYPE_CHECK(
JSValueRegs(valueTagGPR, valuePayloadGPR), nodeUse, (~SpecCell) | SpecObject,
MacroAssembler::Jump isNotMasqueradesAsUndefined =
m_jit.branchTest8(
MacroAssembler::Zero,
- MacroAssembler::Address(structureGPR, Structure::typeInfoFlagsOffset()),
+ MacroAssembler::Address(valuePayloadGPR, JSCell::typeInfoFlagsOffset()),
MacroAssembler::TrustedImm32(MasqueradesAsUndefined));
speculationCheck(BadType, JSValueRegs(valueTagGPR, valuePayloadGPR), nodeUse,
m_jit.branchPtr(
MacroAssembler::Equal,
MacroAssembler::Address(structureGPR, Structure::globalObjectOffset()),
- MacroAssembler::TrustedImmPtr(m_jit.graph().globalObjectFor(m_currentNode->codeOrigin))));
+ MacroAssembler::TrustedImmPtr(m_jit.graph().globalObjectFor(m_currentNode->origin.semantic))));
isNotMasqueradesAsUndefined.link(&m_jit);
}
switch (node->child1().useKind()) {
case BooleanUse: {
SpeculateBooleanOperand value(this, node->child1());
- GPRTemporary result(this, value);
+ GPRTemporary result(this, Reuse, value);
m_jit.xor32(TrustedImm32(1), value.gpr(), result.gpr());
booleanResult(result.gpr(), node);
return;
}
case Int32Use: {
- SpeculateIntegerOperand value(this, node->child1());
- GPRTemporary resultPayload(this, value);
+ SpeculateInt32Operand value(this, node->child1());
+ GPRTemporary resultPayload(this, Reuse, value);
m_jit.compare32(MacroAssembler::Equal, value.gpr(), MacroAssembler::TrustedImm32(0), resultPayload.gpr());
booleanResult(resultPayload.gpr(), node);
return;
}
- case NumberUse: {
+ case DoubleRepUse: {
SpeculateDoubleOperand value(this, node->child1());
FPRTemporary scratch(this);
GPRTemporary resultPayload(this);
case UntypedUse: {
JSValueOperand arg1(this, node->child1());
- GPRTemporary resultPayload(this, arg1, false);
+ GPRTemporary resultPayload(this, Reuse, arg1, PayloadWord);
GPRReg arg1TagGPR = arg1.tagGPR();
GPRReg arg1PayloadGPR = arg1.payloadGPR();
GPRReg resultPayloadGPR = resultPayload.gpr();
addSlowPathGenerator(
slowPathCall(
- slowCase, this, dfgConvertJSValueToBoolean, resultPayloadGPR, arg1TagGPR,
+ slowCase, this, operationConvertJSValueToBoolean, resultPayloadGPR, arg1TagGPR,
arg1PayloadGPR));
m_jit.xor32(TrustedImm32(1), resultPayloadGPR);
booleanResult(resultPayloadGPR, node, UseChildrenCalledExplicitly);
return;
}
-
+ case StringUse:
+ return compileStringZeroLength(node);
+
default:
RELEASE_ASSERT_NOT_REACHED();
break;
}
}
-void SpeculativeJIT::emitObjectOrOtherBranch(Edge nodeUse, BlockIndex taken, BlockIndex notTaken)
+void SpeculativeJIT::emitObjectOrOtherBranch(Edge nodeUse, BasicBlock* taken, BasicBlock* notTaken)
{
JSValueOperand value(this, nodeUse, ManualOperandSpeculation);
GPRTemporary scratch(this);
GPRReg valuePayloadGPR = value.payloadGPR();
GPRReg scratchGPR = scratch.gpr();
- MacroAssembler::Jump notCell = m_jit.branch32(MacroAssembler::NotEqual, valueTagGPR, TrustedImm32(JSValue::CellTag));
- if (m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->isStillValid()) {
- m_jit.graph().globalObjectFor(m_currentNode->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
-
+ MacroAssembler::Jump notCell = branchNotCell(value.jsValueRegs());
+ if (masqueradesAsUndefinedWatchpointIsStillValid()) {
DFG_TYPE_CHECK(
JSValueRegs(valueTagGPR, valuePayloadGPR), nodeUse, (~SpecCell) | SpecObject,
m_jit.branchPtr(
MacroAssembler::Equal,
- MacroAssembler::Address(valuePayloadGPR, JSCell::structureOffset()),
+ MacroAssembler::Address(valuePayloadGPR, JSCell::structureIDOffset()),
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
} else {
- m_jit.loadPtr(MacroAssembler::Address(valuePayloadGPR, JSCell::structureOffset()), scratchGPR);
+ m_jit.loadPtr(MacroAssembler::Address(valuePayloadGPR, JSCell::structureIDOffset()), scratchGPR);
DFG_TYPE_CHECK(
JSValueRegs(valueTagGPR, valuePayloadGPR), nodeUse, (~SpecCell) | SpecObject,
scratchGPR,
MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get())));
- JITCompiler::Jump isNotMasqueradesAsUndefined = m_jit.branchTest8(JITCompiler::Zero, MacroAssembler::Address(scratchGPR, Structure::typeInfoFlagsOffset()), TrustedImm32(MasqueradesAsUndefined));
+ JITCompiler::Jump isNotMasqueradesAsUndefined = m_jit.branchTest8(
+ JITCompiler::Zero,
+ MacroAssembler::Address(valuePayloadGPR, JSCell::typeInfoFlagsOffset()),
+ TrustedImm32(MasqueradesAsUndefined));
speculationCheck(BadType, JSValueRegs(valueTagGPR, valuePayloadGPR), nodeUse,
m_jit.branchPtr(
MacroAssembler::Equal,
MacroAssembler::Address(scratchGPR, Structure::globalObjectOffset()),
- MacroAssembler::TrustedImmPtr(m_jit.graph().globalObjectFor(m_currentNode->codeOrigin))));
+ MacroAssembler::TrustedImmPtr(m_jit.graph().globalObjectFor(m_currentNode->origin.semantic))));
isNotMasqueradesAsUndefined.link(&m_jit);
}
void SpeculativeJIT::emitBranch(Node* node)
{
- BlockIndex taken = node->takenBlockIndex();
- BlockIndex notTaken = node->notTakenBlockIndex();
+ BasicBlock* taken = node->branchData()->taken.block;
+ BasicBlock* notTaken = node->branchData()->notTaken.block;
switch (node->child1().useKind()) {
case BooleanUse: {
if (taken == nextBlock()) {
condition = MacroAssembler::Zero;
- BlockIndex tmp = taken;
+ BasicBlock* tmp = taken;
taken = notTaken;
notTaken = tmp;
}
return;
}
- case NumberUse:
+ case DoubleRepUse:
case Int32Use: {
if (node->child1().useKind() == Int32Use) {
bool invert = false;
if (taken == nextBlock()) {
invert = true;
- BlockIndex tmp = taken;
+ BasicBlock* tmp = taken;
taken = notTaken;
notTaken = tmp;
}
- SpeculateIntegerOperand value(this, node->child1());
+ SpeculateInt32Operand value(this, node->child1());
branchTest32(invert ? MacroAssembler::Zero : MacroAssembler::NonZero, value.gpr(), taken);
} else {
SpeculateDoubleOperand value(this, node->child1());
slowPath.link(&m_jit);
silentSpillAllRegisters(resultGPR);
- callOperation(dfgConvertJSValueToBoolean, resultGPR, valueTagGPR, valuePayloadGPR);
+ callOperation(operationConvertJSValueToBoolean, resultGPR, valueTagGPR, valuePayloadGPR);
silentFillAllRegisters(resultGPR);
branchTest32(JITCompiler::NonZero, resultGPR, taken);
if (arrayMode.isInBounds()) {
speculationCheck(
- StoreToHoleOrOutOfBounds, JSValueRegs(), 0,
+ OutOfBounds, JSValueRegs(), 0,
m_jit.branch32(MacroAssembler::AboveOrEqual, propertyReg, MacroAssembler::Address(storageReg, Butterfly::offsetOfPublicLength())));
} else {
MacroAssembler::Jump inBounds = m_jit.branch32(MacroAssembler::Below, propertyReg, MacroAssembler::Address(storageReg, Butterfly::offsetOfPublicLength()));
storage.use();
if (arrayMode.isOutOfBounds()) {
- addSlowPathGenerator(
- slowPathCall(
+ if (node->op() == PutByValDirect) {
+ addSlowPathGenerator(slowPathCall(
+ slowCase, this,
+ m_jit.codeBlock()->isStrictMode() ? operationPutByValDirectBeyondArrayBoundsStrict : operationPutByValDirectBeyondArrayBoundsNonStrict,
+ NoResult, baseReg, propertyReg, valueTag, valuePayloadReg));
+ } else {
+ addSlowPathGenerator(slowPathCall(
slowCase, this,
m_jit.codeBlock()->isStrictMode() ? operationPutByValBeyondArrayBoundsStrict : operationPutByValBeyondArrayBoundsNonStrict,
NoResult, baseReg, propertyReg, valueTag, valuePayloadReg));
+ }
}
noResult(node, UseChildrenCalledExplicitly);
switch (op) {
case JSConstant:
+ case DoubleConstant:
initConstantInfo(node);
break;
}
case GetLocal: {
- SpeculatedType prediction = node->variableAccessData()->prediction();
AbstractValue& value = m_state.variables().operand(node->local());
- // If we have no prediction for this local, then don't attempt to compile.
- if (prediction == SpecNone) {
- terminateSpeculativeExecution(InadequateCoverage, JSValueRegs(), 0);
- break;
- }
-
// If the CFA is tracking this variable and it found that the variable
// cannot have been assigned, then don't attempt to proceed.
if (value.isClear()) {
break;
}
- if (node->variableAccessData()->shouldUseDoubleFormat()) {
+ switch (node->variableAccessData()->flushFormat()) {
+ case FlushedDouble: {
FPRTemporary result(this);
- m_jit.loadDouble(JITCompiler::addressFor(node->local()), result.fpr());
+ m_jit.loadDouble(JITCompiler::addressFor(node->machineLocal()), result.fpr());
VirtualRegister virtualRegister = node->virtualRegister();
m_fprs.retain(result.fpr(), virtualRegister, SpillOrderDouble);
- m_generationInfo[virtualRegister].initDouble(node, node->refCount(), result.fpr());
+ generationInfoFromVirtualRegister(virtualRegister).initDouble(node, node->refCount(), result.fpr());
break;
}
- if (isInt32Speculation(value.m_type)) {
+ case FlushedInt32: {
GPRTemporary result(this);
- m_jit.load32(JITCompiler::payloadFor(node->local()), result.gpr());
+ m_jit.load32(JITCompiler::payloadFor(node->machineLocal()), result.gpr());
- // Like integerResult, but don't useChildren - our children are phi nodes,
+ // Like int32Result, but don't useChildren - our children are phi nodes,
// and don't represent values within this dataflow with virtual registers.
VirtualRegister virtualRegister = node->virtualRegister();
m_gprs.retain(result.gpr(), virtualRegister, SpillOrderInteger);
- m_generationInfo[virtualRegister].initInteger(node, node->refCount(), result.gpr());
+ generationInfoFromVirtualRegister(virtualRegister).initInt32(node, node->refCount(), result.gpr());
break;
}
- if (isCellSpeculation(value.m_type)) {
+ case FlushedCell: {
GPRTemporary result(this);
- m_jit.load32(JITCompiler::payloadFor(node->local()), result.gpr());
+ m_jit.load32(JITCompiler::payloadFor(node->machineLocal()), result.gpr());
// Like cellResult, but don't useChildren - our children are phi nodes,
// and don't represent values within this dataflow with virtual registers.
VirtualRegister virtualRegister = node->virtualRegister();
m_gprs.retain(result.gpr(), virtualRegister, SpillOrderCell);
- m_generationInfo[virtualRegister].initCell(node, node->refCount(), result.gpr());
+ generationInfoFromVirtualRegister(virtualRegister).initCell(node, node->refCount(), result.gpr());
break;
}
-
- if (isBooleanSpeculation(value.m_type)) {
+
+ case FlushedBoolean: {
GPRTemporary result(this);
- m_jit.load32(JITCompiler::payloadFor(node->local()), result.gpr());
+ m_jit.load32(JITCompiler::payloadFor(node->machineLocal()), result.gpr());
// Like booleanResult, but don't useChildren - our children are phi nodes,
// and don't represent values within this dataflow with virtual registers.
VirtualRegister virtualRegister = node->virtualRegister();
m_gprs.retain(result.gpr(), virtualRegister, SpillOrderBoolean);
- m_generationInfo[virtualRegister].initBoolean(node, node->refCount(), result.gpr());
+ generationInfoFromVirtualRegister(virtualRegister).initBoolean(node, node->refCount(), result.gpr());
break;
}
-
- GPRTemporary result(this);
- GPRTemporary tag(this);
- m_jit.load32(JITCompiler::payloadFor(node->local()), result.gpr());
- m_jit.load32(JITCompiler::tagFor(node->local()), tag.gpr());
-
- // Like jsValueResult, but don't useChildren - our children are phi nodes,
- // and don't represent values within this dataflow with virtual registers.
- VirtualRegister virtualRegister = node->virtualRegister();
- m_gprs.retain(result.gpr(), virtualRegister, SpillOrderJS);
- m_gprs.retain(tag.gpr(), virtualRegister, SpillOrderJS);
-
- m_generationInfo[virtualRegister].initJSValue(node, node->refCount(), tag.gpr(), result.gpr(), DataFormatJS);
+
+ case FlushedJSValue:
+ case FlushedArguments: {
+ GPRTemporary result(this);
+ GPRTemporary tag(this);
+ m_jit.load32(JITCompiler::payloadFor(node->machineLocal()), result.gpr());
+ m_jit.load32(JITCompiler::tagFor(node->machineLocal()), tag.gpr());
+
+ // Like jsValueResult, but don't useChildren - our children are phi nodes,
+ // and don't represent values within this dataflow with virtual registers.
+ VirtualRegister virtualRegister = node->virtualRegister();
+ m_gprs.retain(result.gpr(), virtualRegister, SpillOrderJS);
+ m_gprs.retain(tag.gpr(), virtualRegister, SpillOrderJS);
+
+ generationInfoFromVirtualRegister(virtualRegister).initJSValue(node, node->refCount(), tag.gpr(), result.gpr(), DataFormatJS);
+ break;
+ }
+
+ default:
+ RELEASE_ASSERT_NOT_REACHED();
+ }
break;
}
case GetLocalUnlinked: {
GPRTemporary payload(this);
GPRTemporary tag(this);
- m_jit.load32(JITCompiler::payloadFor(node->unlinkedLocal()), payload.gpr());
- m_jit.load32(JITCompiler::tagFor(node->unlinkedLocal()), tag.gpr());
+ m_jit.load32(JITCompiler::payloadFor(node->unlinkedMachineLocal()), payload.gpr());
+ m_jit.load32(JITCompiler::tagFor(node->unlinkedMachineLocal()), tag.gpr());
jsValueResult(tag.gpr(), payload.gpr(), node);
break;
}
- case MovHintAndCheck: {
- compileMovHintAndCheck(node);
- break;
- }
-
- case InlineStart: {
- compileInlineStart(node);
- break;
- }
-
case MovHint:
- case ZombieHint: {
+ case ZombieHint:
+ case Check: {
RELEASE_ASSERT_NOT_REACHED();
break;
}
case SetLocal: {
- // SetLocal doubles as a hint as to where a node will be stored and
- // as a speculation point. So before we speculate make sure that we
- // know where the child of this node needs to go in the virtual
- // stack.
- compileMovHint(node);
-
- if (node->variableAccessData()->shouldUnboxIfPossible()) {
- if (node->variableAccessData()->shouldUseDoubleFormat()) {
- SpeculateDoubleOperand value(this, node->child1());
- m_jit.storeDouble(value.fpr(), JITCompiler::addressFor(node->local()));
- noResult(node);
- // Indicate that it's no longer necessary to retrieve the value of
- // this bytecode variable from registers or other locations in the stack,
- // but that it is stored as a double.
- recordSetLocal(node->local(), ValueSource(DoubleInJSStack));
- break;
- }
- SpeculatedType predictedType = node->variableAccessData()->argumentAwarePrediction();
- if (m_generationInfo[node->child1()->virtualRegister()].registerFormat() == DataFormatDouble) {
- SpeculateDoubleOperand value(this, node->child1(), ManualOperandSpeculation);
- m_jit.storeDouble(value.fpr(), JITCompiler::addressFor(node->local()));
- noResult(node);
- recordSetLocal(node->local(), ValueSource(DoubleInJSStack));
- break;
- }
- if (isInt32Speculation(predictedType)) {
- SpeculateIntegerOperand value(this, node->child1());
- m_jit.store32(value.gpr(), JITCompiler::payloadFor(node->local()));
- noResult(node);
- recordSetLocal(node->local(), ValueSource(Int32InJSStack));
- break;
- }
- if (isCellSpeculation(predictedType)) {
- SpeculateCellOperand cell(this, node->child1());
- GPRReg cellGPR = cell.gpr();
- m_jit.storePtr(cellGPR, JITCompiler::payloadFor(node->local()));
- noResult(node);
- recordSetLocal(node->local(), ValueSource(CellInJSStack));
- break;
- }
- if (isBooleanSpeculation(predictedType)) {
- SpeculateBooleanOperand value(this, node->child1());
- m_jit.store32(value.gpr(), JITCompiler::payloadFor(node->local()));
- noResult(node);
- recordSetLocal(node->local(), ValueSource(BooleanInJSStack));
- break;
- }
+ switch (node->variableAccessData()->flushFormat()) {
+ case FlushedDouble: {
+ SpeculateDoubleOperand value(this, node->child1());
+ m_jit.storeDouble(value.fpr(), JITCompiler::addressFor(node->machineLocal()));
+ noResult(node);
+ // Indicate that it's no longer necessary to retrieve the value of
+ // this bytecode variable from registers or other locations in the stack,
+ // but that it is stored as a double.
+ recordSetLocal(DataFormatDouble);
+ break;
+ }
+
+ case FlushedInt32: {
+ SpeculateInt32Operand value(this, node->child1());
+ m_jit.store32(value.gpr(), JITCompiler::payloadFor(node->machineLocal()));
+ noResult(node);
+ recordSetLocal(DataFormatInt32);
+ break;
+ }
+
+ case FlushedCell: {
+ SpeculateCellOperand cell(this, node->child1());
+ GPRReg cellGPR = cell.gpr();
+ m_jit.storePtr(cellGPR, JITCompiler::payloadFor(node->machineLocal()));
+ noResult(node);
+ recordSetLocal(DataFormatCell);
+ break;
+ }
+
+ case FlushedBoolean: {
+ SpeculateBooleanOperand value(this, node->child1());
+ m_jit.store32(value.gpr(), JITCompiler::payloadFor(node->machineLocal()));
+ noResult(node);
+ recordSetLocal(DataFormatBoolean);
+ break;
+ }
+
+ case FlushedJSValue:
+ case FlushedArguments: {
+ JSValueOperand value(this, node->child1());
+ m_jit.store32(value.payloadGPR(), JITCompiler::payloadFor(node->machineLocal()));
+ m_jit.store32(value.tagGPR(), JITCompiler::tagFor(node->machineLocal()));
+ noResult(node);
+ recordSetLocal(dataFormatFor(node->variableAccessData()->flushFormat()));
+ break;
+ }
+
+ default:
+ RELEASE_ASSERT_NOT_REACHED();
+ break;
}
- JSValueOperand value(this, node->child1());
- m_jit.store32(value.payloadGPR(), JITCompiler::payloadFor(node->local()));
- m_jit.store32(value.tagGPR(), JITCompiler::tagFor(node->local()));
- noResult(node);
- recordSetLocal(node->local(), ValueSource(ValueInJSStack));
-
- // If we're storing an arguments object that has been optimized away,
- // our variable event stream for OSR exit now reflects the optimized
- // value (JSValue()). On the slow path, we want an arguments object
- // instead. We add an additional move hint to show OSR exit that it
- // needs to reconstruct the arguments object.
- if (node->child1()->op() == PhantomArguments)
- compileMovHint(node);
-
break;
}
// But it may be profitable to use this as a hook to run speculation checks
// on arguments, thereby allowing us to trivially eliminate such checks if
// the argument is not used.
+ recordSetLocal(dataFormatFor(node->variableAccessData()->flushFormat()));
break;
case BitAnd:
case BitOr:
case BitXor:
if (isInt32Constant(node->child1().node())) {
- SpeculateIntegerOperand op2(this, node->child2());
- GPRTemporary result(this, op2);
+ SpeculateInt32Operand op2(this, node->child2());
+ GPRTemporary result(this, Reuse, op2);
bitOp(op, valueOfInt32Constant(node->child1().node()), op2.gpr(), result.gpr());
- integerResult(result.gpr(), node);
+ int32Result(result.gpr(), node);
} else if (isInt32Constant(node->child2().node())) {
- SpeculateIntegerOperand op1(this, node->child1());
- GPRTemporary result(this, op1);
+ SpeculateInt32Operand op1(this, node->child1());
+ GPRTemporary result(this, Reuse, op1);
bitOp(op, valueOfInt32Constant(node->child2().node()), op1.gpr(), result.gpr());
- integerResult(result.gpr(), node);
+ int32Result(result.gpr(), node);
} else {
- SpeculateIntegerOperand op1(this, node->child1());
- SpeculateIntegerOperand op2(this, node->child2());
- GPRTemporary result(this, op1, op2);
+ SpeculateInt32Operand op1(this, node->child1());
+ SpeculateInt32Operand op2(this, node->child2());
+ GPRTemporary result(this, Reuse, op1, op2);
GPRReg reg1 = op1.gpr();
GPRReg reg2 = op2.gpr();
bitOp(op, reg1, reg2, result.gpr());
- integerResult(result.gpr(), node);
+ int32Result(result.gpr(), node);
}
break;
case BitLShift:
case BitURShift:
if (isInt32Constant(node->child2().node())) {
- SpeculateIntegerOperand op1(this, node->child1());
- GPRTemporary result(this, op1);
+ SpeculateInt32Operand op1(this, node->child1());
+ GPRTemporary result(this, Reuse, op1);
shiftOp(op, op1.gpr(), valueOfInt32Constant(node->child2().node()) & 0x1f, result.gpr());
- integerResult(result.gpr(), node);
+ int32Result(result.gpr(), node);
} else {
// Do not allow shift amount to be used as the result, MacroAssembler does not permit this.
- SpeculateIntegerOperand op1(this, node->child1());
- SpeculateIntegerOperand op2(this, node->child2());
- GPRTemporary result(this, op1);
+ SpeculateInt32Operand op1(this, node->child1());
+ SpeculateInt32Operand op2(this, node->child2());
+ GPRTemporary result(this, Reuse, op1);
GPRReg reg1 = op1.gpr();
GPRReg reg2 = op2.gpr();
shiftOp(op, reg1, reg2, result.gpr());
- integerResult(result.gpr(), node);
+ int32Result(result.gpr(), node);
}
break;
break;
}
- case Int32ToDouble:
- case ForwardInt32ToDouble: {
- compileInt32ToDouble(node);
+ case DoubleRep: {
+ compileDoubleRep(node);
break;
}
- case ValueAdd:
+ case ValueRep: {
+ compileValueRep(node);
+ break;
+ }
+
+ case ValueAdd: {
+ JSValueOperand op1(this, node->child1());
+ JSValueOperand op2(this, node->child2());
+
+ GPRReg op1TagGPR = op1.tagGPR();
+ GPRReg op1PayloadGPR = op1.payloadGPR();
+ GPRReg op2TagGPR = op2.tagGPR();
+ GPRReg op2PayloadGPR = op2.payloadGPR();
+
+ flushRegisters();
+
+ GPRResult2 resultTag(this);
+ GPRResult resultPayload(this);
+ if (isKnownNotNumber(node->child1().node()) || isKnownNotNumber(node->child2().node()))
+ callOperation(operationValueAddNotNumber, resultTag.gpr(), resultPayload.gpr(), op1TagGPR, op1PayloadGPR, op2TagGPR, op2PayloadGPR);
+ else
+ callOperation(operationValueAdd, resultTag.gpr(), resultPayload.gpr(), op1TagGPR, op1PayloadGPR, op2TagGPR, op2PayloadGPR);
+
+ jsValueResult(resultTag.gpr(), resultPayload.gpr(), node);
+ break;
+ }
+
case ArithAdd:
compileAdd(node);
break;
compileArithMul(node);
break;
- case ArithIMul:
- compileArithIMul(node);
- break;
-
case ArithDiv: {
- switch (node->binaryUseKind()) {
- case Int32Use: {
-#if CPU(X86)
- compileIntegerArithDivForX86(node);
-#elif CPU(ARM64)
- compileIntegerArithDivForARM64(node);
-#elif CPU(APPLE_ARMV7S)
- compileIntegerArithDivForARMv7s(node);
-#else // CPU type without integer divide
- RELEASE_ASSERT_NOT_REACHED(); // should have been coverted into a double divide.
-#endif
- break;
- }
-
- case NumberUse: {
- SpeculateDoubleOperand op1(this, node->child1());
- SpeculateDoubleOperand op2(this, node->child2());
- FPRTemporary result(this, op1);
-
- FPRReg reg1 = op1.fpr();
- FPRReg reg2 = op2.fpr();
- m_jit.divDouble(reg1, reg2, result.fpr());
-
- doubleResult(result.fpr(), node);
- break;
- }
-
- default:
- RELEASE_ASSERT_NOT_REACHED();
- break;
- }
+ compileArithDiv(node);
break;
}
case ArithAbs: {
switch (node->child1().useKind()) {
case Int32Use: {
- SpeculateIntegerOperand op1(this, node->child1());
- GPRTemporary result(this, op1);
+ SpeculateStrictInt32Operand op1(this, node->child1());
+ GPRTemporary result(this, Reuse, op1);
GPRTemporary scratch(this);
- m_jit.zeroExtend32ToPtr(op1.gpr(), result.gpr());
+ m_jit.move(op1.gpr(), result.gpr());
m_jit.rshift32(result.gpr(), MacroAssembler::TrustedImm32(31), scratch.gpr());
m_jit.add32(scratch.gpr(), result.gpr());
m_jit.xor32(scratch.gpr(), result.gpr());
speculationCheck(Overflow, JSValueRegs(), 0, m_jit.branch32(MacroAssembler::Equal, result.gpr(), MacroAssembler::TrustedImm32(1 << 31)));
- integerResult(result.gpr(), node);
+ int32Result(result.gpr(), node);
break;
}
- case NumberUse: {
+ case DoubleRepUse: {
SpeculateDoubleOperand op1(this, node->child1());
FPRTemporary result(this);
case Int32Use: {
SpeculateStrictInt32Operand op1(this, node->child1());
SpeculateStrictInt32Operand op2(this, node->child2());
- GPRTemporary result(this, op1);
+ GPRTemporary result(this, Reuse, op1);
GPRReg op1GPR = op1.gpr();
GPRReg op2GPR = op2.gpr();
} else
op1Less.link(&m_jit);
- integerResult(resultGPR, node);
+ int32Result(resultGPR, node);
break;
}
- case NumberUse: {
+ case DoubleRepUse: {
SpeculateDoubleOperand op1(this, node->child1());
SpeculateDoubleOperand op2(this, node->child2());
FPRTemporary result(this, op1);
doubleResult(result.fpr(), node);
break;
}
+
+ case ArithFRound: {
+ SpeculateDoubleOperand op1(this, node->child1());
+ FPRTemporary result(this, op1);
+
+ m_jit.convertDoubleToFloat(op1.fpr(), result.fpr());
+ m_jit.convertFloatToDouble(result.fpr(), result.fpr());
+
+ doubleResult(result.fpr(), node);
+ break;
+ }
+
+ case ArithSin: {
+ SpeculateDoubleOperand op1(this, node->child1());
+ FPRReg op1FPR = op1.fpr();
+
+ flushRegisters();
+
+ FPRResult result(this);
+ callOperation(sin, result.fpr(), op1FPR);
+ doubleResult(result.fpr(), node);
+ break;
+ }
+
+ case ArithCos: {
+ SpeculateDoubleOperand op1(this, node->child1());
+ FPRReg op1FPR = op1.fpr();
+
+ flushRegisters();
+
+ FPRResult result(this);
+ callOperation(cos, result.fpr(), op1FPR);
+ doubleResult(result.fpr(), node);
+ break;
+ }
case LogicalNot:
compileLogicalNot(node);
return;
break;
- case CompareStrictEqConstant:
- if (compileStrictEqForConstant(node, node->child1(), valueOfJSConstant(node->child2().node())))
- return;
- break;
-
case CompareStrictEq:
if (compileStrictEq(node))
return;
MacroAssembler::BaseIndex(storageReg, propertyReg, MacroAssembler::TimesEight, OBJECT_OFFSETOF(JSValue, u.asBits.tag)),
TrustedImm32(JSValue::EmptyValueTag)));
m_jit.load32(MacroAssembler::BaseIndex(storageReg, propertyReg, MacroAssembler::TimesEight, OBJECT_OFFSETOF(JSValue, u.asBits.payload)), resultPayload.gpr());
- integerResult(resultPayload.gpr(), node);
+ int32Result(resultPayload.gpr(), node);
break;
}
}
case Array::Double: {
if (node->arrayMode().isInBounds()) {
- if (node->arrayMode().isSaneChain()) {
- JSGlobalObject* globalObject = m_jit.globalObjectFor(node->codeOrigin);
- ASSERT(globalObject->arrayPrototypeChainIsSane());
- globalObject->arrayPrototype()->structure()->addTransitionWatchpoint(speculationWatchpoint());
- globalObject->objectPrototype()->structure()->addTransitionWatchpoint(speculationWatchpoint());
- }
-
SpeculateStrictInt32Operand property(this, node->child2());
StorageOperand storage(this, node->child3());
case Array::Arguments:
compileGetByValOnArguments(node);
break;
- case Array::Int8Array:
- compileGetByValOnIntTypedArray(m_jit.vm()->int8ArrayDescriptor(), node, sizeof(int8_t), SignedTypedArray);
- break;
- case Array::Int16Array:
- compileGetByValOnIntTypedArray(m_jit.vm()->int16ArrayDescriptor(), node, sizeof(int16_t), SignedTypedArray);
- break;
- case Array::Int32Array:
- compileGetByValOnIntTypedArray(m_jit.vm()->int32ArrayDescriptor(), node, sizeof(int32_t), SignedTypedArray);
- break;
- case Array::Uint8Array:
- compileGetByValOnIntTypedArray(m_jit.vm()->uint8ArrayDescriptor(), node, sizeof(uint8_t), UnsignedTypedArray);
- break;
- case Array::Uint8ClampedArray:
- compileGetByValOnIntTypedArray(m_jit.vm()->uint8ClampedArrayDescriptor(), node, sizeof(uint8_t), UnsignedTypedArray);
- break;
- case Array::Uint16Array:
- compileGetByValOnIntTypedArray(m_jit.vm()->uint16ArrayDescriptor(), node, sizeof(uint16_t), UnsignedTypedArray);
- break;
- case Array::Uint32Array:
- compileGetByValOnIntTypedArray(m_jit.vm()->uint32ArrayDescriptor(), node, sizeof(uint32_t), UnsignedTypedArray);
- break;
- case Array::Float32Array:
- compileGetByValOnFloatTypedArray(m_jit.vm()->float32ArrayDescriptor(), node, sizeof(float));
- break;
- case Array::Float64Array:
- compileGetByValOnFloatTypedArray(m_jit.vm()->float64ArrayDescriptor(), node, sizeof(double));
- break;
- default:
- RELEASE_ASSERT_NOT_REACHED();
- break;
- }
+ default: {
+ TypedArrayType type = node->arrayMode().typedArrayType();
+ if (isInt(type))
+ compileGetByValOnIntTypedArray(node, type);
+ else
+ compileGetByValOnFloatTypedArray(node, type);
+ } }
break;
}
+ case PutByValDirect:
case PutByVal:
case PutByValAlias: {
Edge child1 = m_jit.graph().varArgChild(node, 0);
alreadyHandled = true;
break;
case Array::Generic: {
- ASSERT(node->op() == PutByVal);
+ ASSERT(node->op() == PutByVal || node->op() == PutByValDirect);
SpeculateCellOperand base(this, child1); // Save a register, speculate cell. We'll probably be right.
JSValueOperand property(this, child2);
GPRReg valuePayloadGPR = value.payloadGPR();
flushRegisters();
- callOperation(m_jit.codeBlock()->isStrictMode() ? operationPutByValCellStrict : operationPutByValCellNonStrict, baseGPR, propertyTagGPR, propertyPayloadGPR, valueTagGPR, valuePayloadGPR);
+ if (node->op() == PutByValDirect)
+ callOperation(m_jit.codeBlock()->isStrictMode() ? operationPutByValDirectCellStrict : operationPutByValDirectCellNonStrict, baseGPR, propertyTagGPR, propertyPayloadGPR, valueTagGPR, valuePayloadGPR);
+ else
+ callOperation(m_jit.codeBlock()->isStrictMode() ? operationPutByValCellStrict : operationPutByValCellNonStrict, baseGPR, propertyTagGPR, propertyPayloadGPR, valueTagGPR, valuePayloadGPR);
noResult(node);
alreadyHandled = true;
switch (arrayMode.type()) {
case Array::Int32: {
- SpeculateIntegerOperand value(this, child3);
+ SpeculateInt32Operand value(this, child3);
GPRReg valuePayloadReg = value.gpr();
if (!m_compileOkay)
return;
-
- if (Heap::isWriteBarrierEnabled()) {
- GPRTemporary scratch(this);
- writeBarrier(baseReg, valueTagReg, child3, WriteBarrierForPropertyAccess, scratch.gpr());
- }
-
+
compileContiguousPutByVal(node, base, property, value, valuePayloadReg, valueTagReg);
break;
}
if (!m_compileOkay)
return;
-
- {
- GPRTemporary scratch(this);
- GPRReg scratchReg = scratch.gpr();
- writeBarrier(baseReg, valueTagReg, child3, WriteBarrierForPropertyAccess, scratchReg);
- }
-
+
StorageOperand storage(this, child4);
GPRReg storageReg = storage.gpr();
storage.use();
if (!slowCases.empty()) {
- addSlowPathGenerator(
- slowPathCall(
+ if (node->op() == PutByValDirect) {
+ addSlowPathGenerator(slowPathCall(
+ slowCases, this,
+ m_jit.codeBlock()->isStrictMode() ? operationPutByValDirectBeyondArrayBoundsStrict : operationPutByValDirectBeyondArrayBoundsNonStrict,
+ NoResult, baseReg, propertyReg, valueTagReg, valuePayloadReg));
+ } else {
+ addSlowPathGenerator(slowPathCall(
slowCases, this,
m_jit.codeBlock()->isStrictMode() ? operationPutByValBeyondArrayBoundsStrict : operationPutByValBeyondArrayBoundsNonStrict,
NoResult, baseReg, propertyReg, valueTagReg, valuePayloadReg));
+ }
}
noResult(node, UseChildrenCalledExplicitly);
RELEASE_ASSERT_NOT_REACHED();
break;
- case Array::Int8Array:
- compilePutByValForIntTypedArray(m_jit.vm()->int8ArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(int8_t), SignedTypedArray);
- break;
-
- case Array::Int16Array:
- compilePutByValForIntTypedArray(m_jit.vm()->int16ArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(int16_t), SignedTypedArray);
- break;
-
- case Array::Int32Array:
- compilePutByValForIntTypedArray(m_jit.vm()->int32ArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(int32_t), SignedTypedArray);
- break;
-
- case Array::Uint8Array:
- compilePutByValForIntTypedArray(m_jit.vm()->uint8ArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(uint8_t), UnsignedTypedArray);
- break;
-
- case Array::Uint8ClampedArray:
- compilePutByValForIntTypedArray(m_jit.vm()->uint8ClampedArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(uint8_t), UnsignedTypedArray, ClampRounding);
- break;
-
- case Array::Uint16Array:
- compilePutByValForIntTypedArray(m_jit.vm()->uint16ArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(uint16_t), UnsignedTypedArray);
- break;
-
- case Array::Uint32Array:
- compilePutByValForIntTypedArray(m_jit.vm()->uint32ArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(uint32_t), UnsignedTypedArray);
- break;
-
- case Array::Float32Array:
- compilePutByValForFloatTypedArray(m_jit.vm()->float32ArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(float));
- break;
-
- case Array::Float64Array:
- compilePutByValForFloatTypedArray(m_jit.vm()->float64ArrayDescriptor(), base.gpr(), property.gpr(), node, sizeof(double));
- break;
-
- default:
- RELEASE_ASSERT_NOT_REACHED();
- break;
- }
+ default: {
+ TypedArrayType type = arrayMode.typedArrayType();
+ if (isInt(type))
+ compilePutByValForIntTypedArray(base.gpr(), property.gpr(), node, type);
+ else
+ compilePutByValForFloatTypedArray(base.gpr(), property.gpr(), node, type);
+ } }
break;
}
switch (node->arrayMode().type()) {
case Array::Int32: {
- SpeculateIntegerOperand value(this, node->child2());
+ SpeculateInt32Operand value(this, node->child2());
GPRReg valuePayloadGPR = value.gpr();
m_jit.load32(MacroAssembler::Address(storageGPR, Butterfly::offsetOfPublicLength()), storageLengthGPR);
GPRReg valueTagGPR = value.tagGPR();
GPRReg valuePayloadGPR = value.payloadGPR();
- if (Heap::isWriteBarrierEnabled()) {
- GPRTemporary scratch(this);
- writeBarrier(baseGPR, valueTagGPR, node->child2(), WriteBarrierForPropertyAccess, scratch.gpr(), storageLengthGPR);
- }
-
m_jit.load32(MacroAssembler::Address(storageGPR, Butterfly::offsetOfPublicLength()), storageLengthGPR);
MacroAssembler::Jump slowPath = m_jit.branch32(MacroAssembler::AboveOrEqual, storageLengthGPR, MacroAssembler::Address(storageGPR, Butterfly::offsetOfVectorLength()));
m_jit.store32(valueTagGPR, MacroAssembler::BaseIndex(storageGPR, storageLengthGPR, MacroAssembler::TimesEight, OBJECT_OFFSETOF(JSValue, u.asBits.tag)));
FPRReg valueFPR = value.fpr();
DFG_TYPE_CHECK(
- JSValueRegs(), node->child2(), SpecRealNumber,
+ JSValueRegs(), node->child2(), SpecDoubleReal,
m_jit.branchDouble(MacroAssembler::DoubleNotEqualOrUnordered, valueFPR, valueFPR));
m_jit.load32(MacroAssembler::Address(storageGPR, Butterfly::offsetOfPublicLength()), storageLengthGPR);
GPRReg valueTagGPR = value.tagGPR();
GPRReg valuePayloadGPR = value.payloadGPR();
- if (Heap::isWriteBarrierEnabled()) {
- GPRTemporary scratch(this);
- writeBarrier(baseGPR, valueTagGPR, node->child2(), WriteBarrierForPropertyAccess, scratch.gpr(), storageLengthGPR);
- }
-
m_jit.load32(MacroAssembler::Address(storageGPR, ArrayStorage::lengthOffset()), storageLengthGPR);
// Refuse to handle bizarre lengths.
MacroAssembler::BaseIndex(storageGPR, valuePayloadGPR, MacroAssembler::TimesEight),
tempFPR);
MacroAssembler::Jump slowCase = m_jit.branchDouble(MacroAssembler::DoubleNotEqualOrUnordered, tempFPR, tempFPR);
- JSValue nan = JSValue(JSValue::EncodeAsDouble, QNaN);
+ JSValue nan = JSValue(JSValue::EncodeAsDouble, PNaN);
m_jit.store32(
MacroAssembler::TrustedImm32(nan.u.asBits.tag),
MacroAssembler::BaseIndex(storageGPR, valuePayloadGPR, MacroAssembler::TimesEight, OBJECT_OFFSETOF(JSValue, u.asBits.tag)));
}
case DFG::Jump: {
- BlockIndex taken = node->takenBlockIndex();
- jump(taken);
+ jump(node->targetBlock());
noResult(node);
break;
}
case Branch:
emitBranch(node);
break;
+
+ case Switch:
+ emitSwitch(node);
+ break;
case Return: {
ASSERT(GPRInfo::callFrameRegister != GPRInfo::regT2);
ASSERT(GPRInfo::regT1 != GPRInfo::returnValueGPR);
ASSERT(GPRInfo::returnValueGPR != GPRInfo::callFrameRegister);
-#if DFG_ENABLE(SUCCESS_STATS)
- static SamplingCounter counter("SpeculativeJIT");
- m_jit.emitCount(counter);
-#endif
-
// Return the result in returnValueGPR.
JSValueOperand op1(this, node->child1());
op1.fill();
}
}
- // Grab the return address.
- m_jit.emitGetFromCallFrameHeaderPtr(JSStack::ReturnPC, GPRInfo::regT2);
- // Restore our caller's "r".
- m_jit.emitGetFromCallFrameHeaderPtr(JSStack::CallerFrame, GPRInfo::callFrameRegister);
- // Return.
- m_jit.restoreReturnAddressBeforeReturn(GPRInfo::regT2);
+ m_jit.emitFunctionEpilogue();
m_jit.ret();
noResult(node);
break;
}
+ case BooleanToNumber: {
+ switch (node->child1().useKind()) {
+ case BooleanUse: {
+ SpeculateBooleanOperand value(this, node->child1());
+ GPRTemporary result(this); // FIXME: We could reuse, but on speculation fail would need recovery to restore tag (akin to add).
+
+ m_jit.move(value.gpr(), result.gpr());
+
+ int32Result(result.gpr(), node);
+ break;
+ }
+
+ case UntypedUse: {
+ JSValueOperand value(this, node->child1());
+ GPRTemporary resultTag(this);
+ GPRTemporary resultPayload(this);
+
+ GPRReg valueTagGPR = value.tagGPR();
+ GPRReg valuePayloadGPR = value.payloadGPR();
+ GPRReg resultTagGPR = resultTag.gpr();
+ GPRReg resultPayloadGPR = resultPayload.gpr();
+
+ m_jit.move(valuePayloadGPR, resultPayloadGPR);
+ JITCompiler::Jump isBoolean = m_jit.branch32(
+ JITCompiler::Equal, valueTagGPR, TrustedImm32(JSValue::BooleanTag));
+ m_jit.move(valueTagGPR, resultTagGPR);
+ JITCompiler::Jump done = m_jit.jump();
+ isBoolean.link(&m_jit);
+ m_jit.move(TrustedImm32(JSValue::Int32Tag), resultTagGPR);
+ done.link(&m_jit);
+
+ jsValueResult(resultTagGPR, resultPayloadGPR, node);
+ break;
+ }
+
+ default:
+ RELEASE_ASSERT_NOT_REACHED();
+ break;
+ }
+ break;
+ }
+
case ToPrimitive: {
RELEASE_ASSERT(node->child1().useKind() == UntypedUse);
JSValueOperand op1(this, node->child1());
- GPRTemporary resultTag(this, op1);
- GPRTemporary resultPayload(this, op1, false);
+ GPRTemporary resultTag(this, Reuse, op1, TagWord);
+ GPRTemporary resultPayload(this, Reuse, op1, PayloadWord);
GPRReg op1TagGPR = op1.tagGPR();
GPRReg op1PayloadGPR = op1.payloadGPR();
op1.use();
- if (!(m_state.forNode(node->child1()).m_type & ~(SpecNumber | SpecBoolean))) {
+ if (!(m_state.forNode(node->child1()).m_type & ~(SpecFullNumber | SpecBoolean))) {
m_jit.move(op1TagGPR, resultTagGPR);
m_jit.move(op1PayloadGPR, resultPayloadGPR);
} else {
- MacroAssembler::Jump alreadyPrimitive = m_jit.branch32(MacroAssembler::NotEqual, op1TagGPR, TrustedImm32(JSValue::CellTag));
- MacroAssembler::Jump notPrimitive = m_jit.branchPtr(MacroAssembler::NotEqual, MacroAssembler::Address(op1PayloadGPR, JSCell::structureOffset()), MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get()));
+ MacroAssembler::Jump alreadyPrimitive = branchNotCell(op1.jsValueRegs());
+ MacroAssembler::Jump notPrimitive = m_jit.branchPtr(MacroAssembler::NotEqual, MacroAssembler::Address(op1PayloadGPR, JSCell::structureIDOffset()), MacroAssembler::TrustedImmPtr(m_jit.vm()->stringStructure.get()));
alreadyPrimitive.link(&m_jit);
m_jit.move(op1TagGPR, resultTagGPR);
JITCompiler::Jump done;
if (node->child1()->prediction() & SpecString) {
- JITCompiler::Jump slowPath1 = m_jit.branch32(
- JITCompiler::NotEqual, op1TagGPR, TrustedImm32(JSValue::CellTag));
+ JITCompiler::Jump slowPath1 = branchNotCell(op1.jsValueRegs());
JITCompiler::Jump slowPath2 = m_jit.branchPtr(
JITCompiler::NotEqual,
- JITCompiler::Address(op1PayloadGPR, JSCell::structureOffset()),
+ JITCompiler::Address(op1PayloadGPR, JSCell::structureIDOffset()),
TrustedImmPtr(m_jit.vm()->stringStructure.get()));
m_jit.move(op1PayloadGPR, resultGPR);
done = m_jit.jump();
}
case NewArray: {
- JSGlobalObject* globalObject = m_jit.graph().globalObjectFor(node->codeOrigin);
- if (!globalObject->isHavingABadTime() && !hasArrayStorage(node->indexingType())) {
- globalObject->havingABadTimeWatchpoint()->add(speculationWatchpoint());
-
+ JSGlobalObject* globalObject = m_jit.graph().globalObjectFor(node->origin.semantic);
+ if (!globalObject->isHavingABadTime() && !hasAnyArrayStorage(node->indexingType())) {
Structure* structure = globalObject->arrayStructureForIndexingTypeDuringAllocation(node->indexingType());
ASSERT(structure->indexingType() == node->indexingType());
ASSERT(
SpeculateDoubleOperand operand(this, use);
FPRReg opFPR = operand.fpr();
DFG_TYPE_CHECK(
- JSValueRegs(), use, SpecRealNumber,
+ JSValueRegs(), use, SpecDoubleReal,
m_jit.branchDouble(MacroAssembler::DoubleNotEqualOrUnordered, opFPR, opFPR));
m_jit.storeDouble(opFPR, MacroAssembler::Address(storageGPR, sizeof(double) * operandIdx));
break;
}
case ALL_INT32_INDEXING_TYPES: {
- SpeculateIntegerOperand operand(this, use);
+ SpeculateInt32Operand operand(this, use);
m_jit.store32(TrustedImm32(JSValue::Int32Tag), MacroAssembler::Address(storageGPR, sizeof(JSValue) * operandIdx + OBJECT_OFFSETOF(JSValue, u.asBits.tag)));
m_jit.store32(operand.gpr(), MacroAssembler::Address(storageGPR, sizeof(JSValue) * operandIdx + OBJECT_OFFSETOF(JSValue, u.asBits.payload)));
break;
SpeculateDoubleOperand operand(this, use);
FPRReg opFPR = operand.fpr();
DFG_TYPE_CHECK(
- JSValueRegs(), use, SpecRealNumber,
+ JSValueRegs(), use, SpecFullRealNumber,
m_jit.branchDouble(MacroAssembler::DoubleNotEqualOrUnordered, opFPR, opFPR));
- m_jit.storeDouble(opFPR, reinterpret_cast<char*>(buffer + operandIdx));
+ m_jit.storeDouble(opFPR, TrustedImmPtr(reinterpret_cast<char*>(buffer + operandIdx)));
break;
}
case ALL_INT32_INDEXING_TYPES: {
- SpeculateIntegerOperand operand(this, use);
+ SpeculateInt32Operand operand(this, use);
GPRReg opGPR = operand.gpr();
m_jit.store32(TrustedImm32(JSValue::Int32Tag), reinterpret_cast<char*>(buffer + operandIdx) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag));
m_jit.store32(opGPR, reinterpret_cast<char*>(buffer + operandIdx) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload));
}
case NewArrayWithSize: {
- JSGlobalObject* globalObject = m_jit.graph().globalObjectFor(node->codeOrigin);
- if (!globalObject->isHavingABadTime() && !hasArrayStorage(node->indexingType())) {
- globalObject->havingABadTimeWatchpoint()->add(speculationWatchpoint());
-
+ JSGlobalObject* globalObject = m_jit.graph().globalObjectFor(node->origin.semantic);
+ if (!globalObject->isHavingABadTime() && !hasAnyArrayStorage(node->indexingType())) {
SpeculateStrictInt32Operand size(this, node->child1());
GPRTemporary result(this);
GPRTemporary storage(this);
m_jit.store32(sizeGPR, MacroAssembler::Address(storageGPR, Butterfly::offsetOfVectorLength()));
if (hasDouble(node->indexingType())) {
- JSValue nan = JSValue(JSValue::EncodeAsDouble, QNaN);
+ JSValue nan = JSValue(JSValue::EncodeAsDouble, PNaN);
m_jit.move(sizeGPR, scratchGPR);
MacroAssembler::Jump done = m_jit.branchTest32(MacroAssembler::Zero, scratchGPR);
}
case NewArrayBuffer: {
- JSGlobalObject* globalObject = m_jit.graph().globalObjectFor(node->codeOrigin);
+ JSGlobalObject* globalObject = m_jit.graph().globalObjectFor(node->origin.semantic);
IndexingType indexingType = node->indexingType();
- if (!globalObject->isHavingABadTime() && !hasArrayStorage(indexingType)) {
- globalObject->havingABadTimeWatchpoint()->add(speculationWatchpoint());
-
+ if (!globalObject->isHavingABadTime() && !hasAnyArrayStorage(indexingType)) {
unsigned numElements = node->numConstants();
GPRTemporary result(this);
break;
}
+ case NewTypedArray: {
+ switch (node->child1().useKind()) {
+ case Int32Use:
+ compileNewTypedArray(node);
+ break;
+ case UntypedUse: {
+ JSValueOperand argument(this, node->child1());
+ GPRReg argumentTagGPR = argument.tagGPR();
+ GPRReg argumentPayloadGPR = argument.payloadGPR();
+
+ flushRegisters();
+
+ GPRResult result(this);
+ GPRReg resultGPR = result.gpr();
+
+ JSGlobalObject* globalObject = m_jit.graph().globalObjectFor(node->origin.semantic);
+ callOperation(
+ operationNewTypedArrayWithOneArgumentForType(node->typedArrayType()),
+ resultGPR, globalObject->typedArrayStructure(node->typedArrayType()),
+ argumentTagGPR, argumentPayloadGPR);
+
+ cellResult(resultGPR, node);
+ break;
+ }
+ default:
+ RELEASE_ASSERT_NOT_REACHED();
+ break;
+ }
+ break;
+ }
+
case NewRegexp: {
flushRegisters();
GPRResult resultPayload(this);
break;
}
- case ConvertThis: {
+ case ToThis: {
ASSERT(node->child1().useKind() == UntypedUse);
-
JSValueOperand thisValue(this, node->child1());
- GPRReg thisValueTagGPR = thisValue.tagGPR();
+ GPRTemporary temp(this);
+ GPRTemporary tempTag(this);
GPRReg thisValuePayloadGPR = thisValue.payloadGPR();
-
- flushRegisters();
-
- GPRResult2 resultTag(this);
- GPRResult resultPayload(this);
- callOperation(operationConvertThis, resultTag.gpr(), resultPayload.gpr(), thisValueTagGPR, thisValuePayloadGPR);
-
- cellResult(resultPayload.gpr(), node);
+ GPRReg thisValueTagGPR = thisValue.tagGPR();
+ GPRReg tempGPR = temp.gpr();
+ GPRReg tempTagGPR = tempTag.gpr();
+
+ MacroAssembler::JumpList slowCases;
+ slowCases.append(branchNotCell(thisValue.jsValueRegs()));
+ slowCases.append(m_jit.branch8(
+ MacroAssembler::NotEqual,
+ MacroAssembler::Address(thisValuePayloadGPR, JSCell::typeInfoTypeOffset()),
+ TrustedImm32(FinalObjectType)));
+ m_jit.move(thisValuePayloadGPR, tempGPR);
+ m_jit.move(thisValueTagGPR, tempTagGPR);
+ J_JITOperation_EJ function;
+ if (m_jit.graph().executableFor(node->origin.semantic)->isStrictMode())
+ function = operationToThisStrict;
+ else
+ function = operationToThis;
+ addSlowPathGenerator(
+ slowPathCall(
+ slowCases, this, function,
+ JSValueRegs(tempTagGPR, tempGPR), thisValueTagGPR, thisValuePayloadGPR));
+
+ jsValueResult(tempTagGPR, tempGPR, node);
break;
}
break;
}
- case AllocationProfileWatchpoint: {
- jsCast<JSFunction*>(node->function())->addAllocationProfileWatchpoint(speculationWatchpoint());
+ case AllocationProfileWatchpoint:
+ case TypedArrayWatchpoint: {
noResult(node);
break;
}
MacroAssembler::JumpList slowPath;
Structure* structure = node->structure();
- size_t allocationSize = JSObject::allocationSize(structure->inlineCapacity());
+ size_t allocationSize = JSFinalObject::allocationSize(structure->inlineCapacity());
MarkedAllocator* allocatorPtr = &m_jit.vm()->heap.allocatorForObjectWithoutDestructor(allocationSize);
m_jit.move(TrustedImmPtr(allocatorPtr), allocatorGPR);
case GetCallee: {
GPRTemporary result(this);
- m_jit.loadPtr(JITCompiler::payloadFor(static_cast<VirtualRegister>(node->codeOrigin.stackOffset() + static_cast<int>(JSStack::Callee))), result.gpr());
+ m_jit.loadPtr(JITCompiler::payloadFor(JSStack::Callee), result.gpr());
cellResult(result.gpr(), node);
break;
}
- case SetCallee: {
- SpeculateCellOperand callee(this, node->child1());
- m_jit.storePtr(callee.gpr(), JITCompiler::payloadFor(static_cast<VirtualRegister>(node->codeOrigin.stackOffset() + static_cast<int>(JSStack::Callee))));
- m_jit.store32(MacroAssembler::TrustedImm32(JSValue::CellTag), JITCompiler::tagFor(static_cast<VirtualRegister>(node->codeOrigin.stackOffset() + static_cast<int>(JSStack::Callee))));
- noResult(node);
- break;
- }
-
case GetScope: {
SpeculateCellOperand function(this, node->child1());
- GPRTemporary result(this, function);
+ GPRTemporary result(this, Reuse, function);
m_jit.loadPtr(JITCompiler::Address(function.gpr(), JSFunction::offsetOfScopeChain()), result.gpr());
cellResult(result.gpr(), node);
break;
GPRTemporary result(this);
GPRReg resultGPR = result.gpr();
- m_jit.loadPtr(JITCompiler::payloadFor(static_cast<VirtualRegister>(node->codeOrigin.stackOffset() + static_cast<int>(JSStack::ScopeChain))), resultGPR);
+ m_jit.loadPtr(JITCompiler::payloadFor(JSStack::ScopeChain), resultGPR);
cellResult(resultGPR, node);
break;
}
- case SetMyScope: {
- SpeculateCellOperand callee(this, node->child1());
- m_jit.storePtr(callee.gpr(), JITCompiler::payloadFor(static_cast<VirtualRegister>(node->codeOrigin.stackOffset() + static_cast<int>(JSStack::ScopeChain))));
- noResult(node);
- break;
- }
-
case SkipTopScope: {
SpeculateCellOperand scope(this, node->child1());
- GPRTemporary result(this, scope);
+ GPRTemporary result(this, Reuse, scope);
GPRReg resultGPR = result.gpr();
m_jit.move(scope.gpr(), resultGPR);
JITCompiler::Jump activationNotCreated =
m_jit.branchTestPtr(
JITCompiler::Zero,
JITCompiler::payloadFor(
- static_cast<VirtualRegister>(m_jit.codeBlock()->activationRegister())));
+ static_cast<VirtualRegister>(m_jit.graph().machineActivationRegister())));
m_jit.loadPtr(JITCompiler::Address(resultGPR, JSScope::offsetOfNext()), resultGPR);
activationNotCreated.link(&m_jit);
cellResult(resultGPR, node);
case SkipScope: {
SpeculateCellOperand scope(this, node->child1());
- GPRTemporary result(this, scope);
+ GPRTemporary result(this, Reuse, scope);
m_jit.loadPtr(JITCompiler::Address(scope.gpr(), JSScope::offsetOfNext()), result.gpr());
cellResult(result.gpr(), node);
break;
}
- case GetScopeRegisters: {
+ case GetClosureRegisters: {
+ if (WriteBarrierBase<Unknown>* registers = m_jit.graph().tryGetRegisters(node->child1().node())) {
+ GPRTemporary result(this);
+ GPRReg resultGPR = result.gpr();
+ m_jit.move(TrustedImmPtr(registers), resultGPR);
+ storageResult(resultGPR, node);
+ break;
+ }
+
SpeculateCellOperand scope(this, node->child1());
GPRTemporary result(this);
GPRReg scopeGPR = scope.gpr();
storageResult(resultGPR, node);
break;
}
- case GetScopedVar: {
+ case GetClosureVar: {
StorageOperand registers(this, node->child1());
GPRTemporary resultTag(this);
GPRTemporary resultPayload(this);
jsValueResult(resultTagGPR, resultPayloadGPR, node);
break;
}
- case PutScopedVar: {
- SpeculateCellOperand scope(this, node->child1());
+ case PutClosureVar: {
StorageOperand registers(this, node->child2());
JSValueOperand value(this, node->child3());
GPRTemporary scratchRegister(this);
- GPRReg scopeGPR = scope.gpr();
+
GPRReg registersGPR = registers.gpr();
GPRReg valueTagGPR = value.tagGPR();
GPRReg valuePayloadGPR = value.payloadGPR();
- GPRReg scratchGPR = scratchRegister.gpr();
+
+ speculate(node, node->child1());
m_jit.store32(valueTagGPR, JITCompiler::Address(registersGPR, node->varNumber() * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
m_jit.store32(valuePayloadGPR, JITCompiler::Address(registersGPR, node->varNumber() * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
- writeBarrier(scopeGPR, valueTagGPR, node->child2(), WriteBarrierForVariableAccess, scratchGPR);
noResult(node);
break;
}
case GetById: {
- if (!node->prediction()) {
- terminateSpeculativeExecution(InadequateCoverage, JSValueRegs(), 0);
- break;
- }
+ ASSERT(node->prediction());
- if (isCellSpeculation(node->child1()->prediction())) {
+ switch (node->child1().useKind()) {
+ case CellUse: {
SpeculateCellOperand base(this, node->child1());
- GPRTemporary resultTag(this, base);
- GPRTemporary resultPayload(this);
+ GPRTemporary resultTag(this);
+ GPRTemporary resultPayload(this, Reuse, base);
GPRReg baseGPR = base.gpr();
GPRReg resultTagGPR = resultTag.gpr();
base.use();
- cachedGetById(node->codeOrigin, InvalidGPRReg, baseGPR, resultTagGPR, resultPayloadGPR, node->identifierNumber());
+ cachedGetById(node->origin.semantic, InvalidGPRReg, baseGPR, resultTagGPR, resultPayloadGPR, node->identifierNumber());
jsValueResult(resultTagGPR, resultPayloadGPR, node, UseChildrenCalledExplicitly);
break;
}
- JSValueOperand base(this, node->child1());
- GPRTemporary resultTag(this, base);
- GPRTemporary resultPayload(this);
+ case UntypedUse: {
+ JSValueOperand base(this, node->child1());
+ GPRTemporary resultTag(this);
+ GPRTemporary resultPayload(this, Reuse, base, TagWord);
- GPRReg baseTagGPR = base.tagGPR();
- GPRReg basePayloadGPR = base.payloadGPR();
- GPRReg resultTagGPR = resultTag.gpr();
- GPRReg resultPayloadGPR = resultPayload.gpr();
+ GPRReg baseTagGPR = base.tagGPR();
+ GPRReg basePayloadGPR = base.payloadGPR();
+ GPRReg resultTagGPR = resultTag.gpr();
+ GPRReg resultPayloadGPR = resultPayload.gpr();
- base.use();
+ base.use();
- JITCompiler::Jump notCell = m_jit.branch32(JITCompiler::NotEqual, baseTagGPR, TrustedImm32(JSValue::CellTag));
+ JITCompiler::Jump notCell = branchNotCell(base.jsValueRegs());
- cachedGetById(node->codeOrigin, baseTagGPR, basePayloadGPR, resultTagGPR, resultPayloadGPR, node->identifierNumber(), notCell);
+ cachedGetById(node->origin.semantic, baseTagGPR, basePayloadGPR, resultTagGPR, resultPayloadGPR, node->identifierNumber(), notCell);
- jsValueResult(resultTagGPR, resultPayloadGPR, node, UseChildrenCalledExplicitly);
+ jsValueResult(resultTagGPR, resultPayloadGPR, node, UseChildrenCalledExplicitly);
+ break;
+ }
+
+ default:
+ RELEASE_ASSERT_NOT_REACHED();
+ break;
+ }
break;
}
GPRReg baseGPR = base.gpr();
- GPRResult resultTag(this);
- GPRResult2 resultPayload(this);
- GPRReg resultTagGPR = resultTag.gpr();
+ GPRResult resultPayload(this);
+ GPRResult2 resultTag(this);
GPRReg resultPayloadGPR = resultPayload.gpr();
+ GPRReg resultTagGPR = resultTag.gpr();
base.use();
flushRegisters();
- cachedGetById(node->codeOrigin, InvalidGPRReg, baseGPR, resultTagGPR, resultPayloadGPR, node->identifierNumber(), JITCompiler::Jump(), DontSpill);
+ cachedGetById(node->origin.semantic, InvalidGPRReg, baseGPR, resultTagGPR, resultPayloadGPR, node->identifierNumber(), JITCompiler::Jump(), DontSpill);
jsValueResult(resultTagGPR, resultPayloadGPR, node, UseChildrenCalledExplicitly);
break;
GPRReg baseTagGPR = base.tagGPR();
GPRReg basePayloadGPR = base.payloadGPR();
- GPRResult resultTag(this);
- GPRResult2 resultPayload(this);
- GPRReg resultTagGPR = resultTag.gpr();
+ GPRResult resultPayload(this);
+ GPRResult2 resultTag(this);
GPRReg resultPayloadGPR = resultPayload.gpr();
+ GPRReg resultTagGPR = resultTag.gpr();
base.use();
flushRegisters();
- JITCompiler::Jump notCell = m_jit.branch32(JITCompiler::NotEqual, baseTagGPR, TrustedImm32(JSValue::CellTag));
+ JITCompiler::Jump notCell = branchNotCell(base.jsValueRegs());
- cachedGetById(node->codeOrigin, baseTagGPR, basePayloadGPR, resultTagGPR, resultPayloadGPR, node->identifierNumber(), notCell, DontSpill);
+ cachedGetById(node->origin.semantic, baseTagGPR, basePayloadGPR, resultTagGPR, resultPayloadGPR, node->identifierNumber(), notCell, DontSpill);
jsValueResult(resultTagGPR, resultPayloadGPR, node, UseChildrenCalledExplicitly);
break;
break;
}
- case CheckStructure:
- case ForwardCheckStructure: {
+ case CheckStructure: {
SpeculateCellOperand base(this, node->child1());
ASSERT(node->structureSet().size());
BadCache, JSValueSource::unboxedCell(base.gpr()), 0,
m_jit.branchWeakPtr(
JITCompiler::NotEqual,
- JITCompiler::Address(base.gpr(), JSCell::structureOffset()),
+ JITCompiler::Address(base.gpr(), JSCell::structureIDOffset()),
node->structureSet()[0]));
} else {
GPRTemporary structure(this);
- m_jit.loadPtr(JITCompiler::Address(base.gpr(), JSCell::structureOffset()), structure.gpr());
+ m_jit.loadPtr(JITCompiler::Address(base.gpr(), JSCell::structureIDOffset()), structure.gpr());
JITCompiler::JumpList done;
break;
}
- case StructureTransitionWatchpoint:
- case ForwardStructureTransitionWatchpoint: {
+ case StructureTransitionWatchpoint: {
// There is a fascinating question here of what to do about array profiling.
// We *could* try to tell the OSR exit about where the base of the access is.
// The DFG will have kept it alive, though it may not be in a register, and
// quite a hint already.
m_jit.addWeakReference(node->structure());
- node->structure()->addTransitionWatchpoint(
- speculationWatchpoint(
- node->child1()->op() == WeakJSConstant ? BadWeakConstantCache : BadCache));
#if !ASSERT_DISABLED
SpeculateCellOperand op1(this, node->child1());
- JITCompiler::Jump isOK = m_jit.branchPtr(JITCompiler::Equal, JITCompiler::Address(op1.gpr(), JSCell::structureOffset()), TrustedImmPtr(node->structure()));
- m_jit.breakpoint();
+ JITCompiler::Jump isOK = m_jit.branchPtr(JITCompiler::Equal, JITCompiler::Address(op1.gpr(), JSCell::structureIDOffset()), TrustedImmPtr(node->structure()));
+ m_jit.abortWithReason(DFGIneffectiveWatchpoint);
isOK.link(&m_jit);
#else
speculateCell(node->child1());
case PhantomPutStructure: {
ASSERT(isKnownCell(node->child1().node()));
- ASSERT(node->structureTransitionData().previousStructure->transitionWatchpointSetHasBeenInvalidated());
- m_jit.addWeakReferenceTransition(
- node->codeOrigin.codeOriginOwner(),
- node->structureTransitionData().previousStructure,
- node->structureTransitionData().newStructure);
+ m_jit.jitCode()->common.notifyCompilingStructureTransition(m_jit.graph().m_plan, m_jit.codeBlock(), node);
noResult(node);
break;
}
case PutStructure: {
- ASSERT(node->structureTransitionData().previousStructure->transitionWatchpointSetHasBeenInvalidated());
+ m_jit.jitCode()->common.notifyCompilingStructureTransition(m_jit.graph().m_plan, m_jit.codeBlock(), node);
SpeculateCellOperand base(this, node->child1());
GPRReg baseGPR = base.gpr();
- m_jit.addWeakReferenceTransition(
- node->codeOrigin.codeOriginOwner(),
- node->structureTransitionData().previousStructure,
- node->structureTransitionData().newStructure);
-
-#if ENABLE(WRITE_BARRIER_PROFILING)
- // Must always emit this write barrier as the structure transition itself requires it
- writeBarrier(baseGPR, node->structureTransitionData().newStructure, WriteBarrierForGenericAccess);
-#endif
-
- m_jit.storePtr(MacroAssembler::TrustedImmPtr(node->structureTransitionData().newStructure), MacroAssembler::Address(baseGPR, JSCell::structureOffset()));
+ m_jit.storePtr(MacroAssembler::TrustedImmPtr(node->structureTransitionData().newStructure), MacroAssembler::Address(baseGPR, JSCell::structureIDOffset()));
noResult(node);
break;
case GetButterfly: {
SpeculateCellOperand base(this, node->child1());
- GPRTemporary result(this, base);
+ GPRTemporary result(this, Reuse, base);
GPRReg baseGPR = base.gpr();
GPRReg resultGPR = result.gpr();
break;
}
+ case ConstantStoragePointer: {
+ compileConstantStoragePointer(node);
+ break;
+ }
+
+ case GetTypedArrayByteOffset: {
+ compileGetTypedArrayByteOffset(node);
+ break;
+ }
+
case GetByOffset: {
StorageOperand storage(this, node->child1());
- GPRTemporary resultTag(this, storage);
+ GPRTemporary resultTag(this, Reuse, storage);
GPRTemporary resultPayload(this);
GPRReg storageGPR = storage.gpr();
StorageAccessData& storageAccessData = m_jit.graph().m_storageAccessData[node->storageAccessDataIndex()];
- m_jit.load32(JITCompiler::Address(storageGPR, storageAccessData.offset * sizeof(EncodedJSValue) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)), resultPayloadGPR);
- m_jit.load32(JITCompiler::Address(storageGPR, storageAccessData.offset * sizeof(EncodedJSValue) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)), resultTagGPR);
+ m_jit.load32(JITCompiler::Address(storageGPR, offsetRelativeToBase(storageAccessData.offset) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)), resultPayloadGPR);
+ m_jit.load32(JITCompiler::Address(storageGPR, offsetRelativeToBase(storageAccessData.offset) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)), resultTagGPR);
jsValueResult(resultTagGPR, resultPayloadGPR, node);
break;
}
case PutByOffset: {
-#if ENABLE(WRITE_BARRIER_PROFILING)
- SpeculateCellOperand base(this, node->child2());
-#endif
StorageOperand storage(this, node->child1());
JSValueOperand value(this, node->child3());
GPRReg storageGPR = storage.gpr();
GPRReg valueTagGPR = value.tagGPR();
GPRReg valuePayloadGPR = value.payloadGPR();
-
-#if ENABLE(WRITE_BARRIER_PROFILING)
- writeBarrier(base.gpr(), valueTagGPR, node->child3(), WriteBarrierForPropertyAccess);
-#endif
+
+ speculate(node, node->child2());
StorageAccessData& storageAccessData = m_jit.graph().m_storageAccessData[node->storageAccessDataIndex()];
- m_jit.storePtr(valueTagGPR, JITCompiler::Address(storageGPR, storageAccessData.offset * sizeof(EncodedJSValue) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
- m_jit.storePtr(valuePayloadGPR, JITCompiler::Address(storageGPR, storageAccessData.offset * sizeof(EncodedJSValue) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
+ m_jit.storePtr(valueTagGPR, JITCompiler::Address(storageGPR, offsetRelativeToBase(storageAccessData.offset) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
+ m_jit.storePtr(valuePayloadGPR, JITCompiler::Address(storageGPR, offsetRelativeToBase(storageAccessData.offset) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
noResult(node);
break;
}
+
+ case PutByIdFlush: {
+ SpeculateCellOperand base(this, node->child1());
+ JSValueOperand value(this, node->child2());
+ GPRTemporary scratch(this);
+
+ GPRReg baseGPR = base.gpr();
+ GPRReg valueTagGPR = value.tagGPR();
+ GPRReg valuePayloadGPR = value.payloadGPR();
+ GPRReg scratchGPR = scratch.gpr();
+ flushRegisters();
+
+ cachedPutById(node->origin.semantic, baseGPR, valueTagGPR, valuePayloadGPR, scratchGPR, node->identifierNumber(), NotDirect, MacroAssembler::Jump(), DontSpill);
+
+ noResult(node);
+ break;
+ }
case PutById: {
SpeculateCellOperand base(this, node->child1());
GPRReg valuePayloadGPR = value.payloadGPR();
GPRReg scratchGPR = scratch.gpr();
- base.use();
- value.use();
-
- cachedPutById(node->codeOrigin, baseGPR, valueTagGPR, valuePayloadGPR, node->child2(), scratchGPR, node->identifierNumber(), NotDirect);
+ cachedPutById(node->origin.semantic, baseGPR, valueTagGPR, valuePayloadGPR, scratchGPR, node->identifierNumber(), NotDirect);
- noResult(node, UseChildrenCalledExplicitly);
+ noResult(node);
break;
}
GPRReg valuePayloadGPR = value.payloadGPR();
GPRReg scratchGPR = scratch.gpr();
- base.use();
- value.use();
+ cachedPutById(node->origin.semantic, baseGPR, valueTagGPR, valuePayloadGPR, scratchGPR, node->identifierNumber(), Direct);
- cachedPutById(node->codeOrigin, baseGPR, valueTagGPR, valuePayloadGPR, node->child2(), scratchGPR, node->identifierNumber(), Direct);
-
- noResult(node, UseChildrenCalledExplicitly);
+ noResult(node);
break;
}
case PutGlobalVar: {
JSValueOperand value(this, node->child1());
- if (Heap::isWriteBarrierEnabled()) {
- GPRTemporary scratch(this);
- GPRReg scratchReg = scratch.gpr();
-
- writeBarrier(m_jit.globalObjectFor(node->codeOrigin), value.tagGPR(), node->child1(), WriteBarrierForVariableAccess, scratchReg);
- }
// FIXME: if we happen to have a spare register - and _ONLY_ if we happen to have
// a spare register - a good optimization would be to put the register pointer into
break;
}
- case PutGlobalVarCheck: {
+ case NotifyWrite: {
+ VariableWatchpointSet* set = node->variableWatchpointSet();
+
JSValueOperand value(this, node->child1());
-
- WatchpointSet* watchpointSet =
- m_jit.globalObjectFor(node->codeOrigin)->symbolTable()->get(
- identifier(node->identifierNumberForCheck())->impl()).watchpointSet();
+ GPRReg valueTagGPR = value.tagGPR();
+ GPRReg valuePayloadGPR = value.payloadGPR();
+
+ GPRTemporary temp(this);
+ GPRReg tempGPR = temp.gpr();
+
+ m_jit.load8(set->addressOfState(), tempGPR);
+
+ JITCompiler::Jump isDone = m_jit.branch32(JITCompiler::Equal, tempGPR, TrustedImm32(IsInvalidated));
+ JITCompiler::JumpList notifySlow;
+ notifySlow.append(m_jit.branch32(
+ JITCompiler::NotEqual,
+ JITCompiler::AbsoluteAddress(set->addressOfInferredValue()->payloadPointer()),
+ valuePayloadGPR));
+ notifySlow.append(m_jit.branch32(
+ JITCompiler::NotEqual,
+ JITCompiler::AbsoluteAddress(set->addressOfInferredValue()->tagPointer()),
+ valueTagGPR));
addSlowPathGenerator(
- slowPathCall(
- m_jit.branchTest8(
- JITCompiler::NonZero,
- JITCompiler::AbsoluteAddress(watchpointSet->addressOfIsWatched())),
- this, operationNotifyGlobalVarWrite, NoResult, watchpointSet));
-
- if (Heap::isWriteBarrierEnabled()) {
- GPRTemporary scratch(this);
- GPRReg scratchReg = scratch.gpr();
-
- writeBarrier(m_jit.globalObjectFor(node->codeOrigin), value.tagGPR(), node->child1(), WriteBarrierForVariableAccess, scratchReg);
- }
-
- // FIXME: if we happen to have a spare register - and _ONLY_ if we happen to have
- // a spare register - a good optimization would be to put the register pointer into
- // a register and then do a zero offset store followed by a four-offset store (or
- // vice-versa depending on endianness).
- m_jit.store32(value.tagGPR(), node->registerPointer()->tagPointer());
- m_jit.store32(value.payloadGPR(), node->registerPointer()->payloadPointer());
-
+ slowPathCall(notifySlow, this, operationNotifyWrite, NoResult, set, valueTagGPR, valuePayloadGPR));
+ isDone.link(&m_jit);
+
noResult(node);
break;
}
-
- case GlobalVarWatchpoint: {
- m_jit.globalObjectFor(node->codeOrigin)->symbolTable()->get(
- identifier(node->identifierNumberForCheck())->impl()).addWatchpoint(
- speculationWatchpoint());
-
-#if DFG_ENABLE(JIT_ASSERT)
- GPRTemporary scratch(this);
- GPRReg scratchGPR = scratch.gpr();
- m_jit.load32(node->registerPointer()->tagPointer(), scratchGPR);
- JITCompiler::Jump notOK = m_jit.branch32(
- JITCompiler::NotEqual, scratchGPR,
- TrustedImm32(node->registerPointer()->get().tag()));
- m_jit.load32(node->registerPointer()->payloadPointer(), scratchGPR);
- JITCompiler::Jump ok = m_jit.branch32(
- JITCompiler::Equal, scratchGPR,
- TrustedImm32(node->registerPointer()->get().payload()));
- notOK.link(&m_jit);
- m_jit.breakpoint();
- ok.link(&m_jit);
-#endif
-
+
+ case VarInjectionWatchpoint:
+ case VariableWatchpoint: {
noResult(node);
break;
}
GPRTemporary structure(this);
// Speculate that base 'ImplementsDefaultHasInstance'.
- m_jit.loadPtr(MacroAssembler::Address(base.gpr(), JSCell::structureOffset()), structure.gpr());
- speculationCheck(Uncountable, JSValueRegs(), 0, m_jit.branchTest8(MacroAssembler::Zero, MacroAssembler::Address(structure.gpr(), Structure::typeInfoFlagsOffset()), MacroAssembler::TrustedImm32(ImplementsDefaultHasInstance)));
+ speculationCheck(Uncountable, JSValueRegs(), 0, m_jit.branchTest8(
+ MacroAssembler::Zero,
+ MacroAssembler::Address(base.gpr(), JSCell::typeInfoFlagsOffset()),
+ MacroAssembler::TrustedImm32(ImplementsDefaultHasInstance)));
noResult(node);
break;
GPRTemporary localGlobalObject(this);
GPRTemporary remoteGlobalObject(this);
- JITCompiler::Jump isCell = m_jit.branch32(JITCompiler::Equal, value.tagGPR(), JITCompiler::TrustedImm32(JSValue::CellTag));
+ JITCompiler::Jump isCell = branchIsCell(value.jsValueRegs());
m_jit.compare32(JITCompiler::Equal, value.tagGPR(), TrustedImm32(JSValue::UndefinedTag), result.gpr());
JITCompiler::Jump done = m_jit.jump();
isCell.link(&m_jit);
JITCompiler::Jump notMasqueradesAsUndefined;
- if (m_jit.graph().globalObjectFor(node->codeOrigin)->masqueradesAsUndefinedWatchpoint()->isStillValid()) {
- m_jit.graph().globalObjectFor(node->codeOrigin)->masqueradesAsUndefinedWatchpoint()->add(speculationWatchpoint());
+ if (masqueradesAsUndefinedWatchpointIsStillValid()) {
m_jit.move(TrustedImm32(0), result.gpr());
notMasqueradesAsUndefined = m_jit.jump();
} else {
- m_jit.loadPtr(JITCompiler::Address(value.payloadGPR(), JSCell::structureOffset()), result.gpr());
- JITCompiler::Jump isMasqueradesAsUndefined = m_jit.branchTest8(JITCompiler::NonZero, JITCompiler::Address(result.gpr(), Structure::typeInfoFlagsOffset()), TrustedImm32(MasqueradesAsUndefined));
+ JITCompiler::Jump isMasqueradesAsUndefined = m_jit.branchTest8(
+ JITCompiler::NonZero,
+ JITCompiler::Address(value.payloadGPR(), JSCell::typeInfoFlagsOffset()),
+ TrustedImm32(MasqueradesAsUndefined));
m_jit.move(TrustedImm32(0), result.gpr());
notMasqueradesAsUndefined = m_jit.jump();
isMasqueradesAsUndefined.link(&m_jit);
GPRReg localGlobalObjectGPR = localGlobalObject.gpr();
GPRReg remoteGlobalObjectGPR = remoteGlobalObject.gpr();
- m_jit.move(TrustedImmPtr(m_jit.globalObjectFor(node->codeOrigin)), localGlobalObjectGPR);
+ m_jit.move(TrustedImmPtr(m_jit.globalObjectFor(node->origin.semantic)), localGlobalObjectGPR);
+ m_jit.loadPtr(JITCompiler::Address(value.payloadGPR(), JSCell::structureIDOffset()), result.gpr());
m_jit.loadPtr(JITCompiler::Address(result.gpr(), Structure::globalObjectOffset()), remoteGlobalObjectGPR);
m_jit.compare32(JITCompiler::Equal, localGlobalObjectGPR, remoteGlobalObjectGPR, result.gpr());
}
case IsBoolean: {
JSValueOperand value(this, node->child1());
- GPRTemporary result(this, value);
+ GPRTemporary result(this, Reuse, value, TagWord);
m_jit.compare32(JITCompiler::Equal, value.tagGPR(), JITCompiler::TrustedImm32(JSValue::BooleanTag), result.gpr());
booleanResult(result.gpr(), node);
case IsNumber: {
JSValueOperand value(this, node->child1());
- GPRTemporary result(this, value);
+ GPRTemporary result(this, Reuse, value, TagWord);
m_jit.add32(TrustedImm32(1), value.tagGPR(), result.gpr());
m_jit.compare32(JITCompiler::Below, result.gpr(), JITCompiler::TrustedImm32(JSValue::LowestTag + 1), result.gpr());
case IsString: {
JSValueOperand value(this, node->child1());
- GPRTemporary result(this, value);
+ GPRTemporary result(this, Reuse, value, TagWord);
- JITCompiler::Jump isNotCell = m_jit.branch32(JITCompiler::NotEqual, value.tagGPR(), JITCompiler::TrustedImm32(JSValue::CellTag));
+ JITCompiler::Jump isNotCell = branchNotCell(value.jsValueRegs());
- m_jit.loadPtr(JITCompiler::Address(value.payloadGPR(), JSCell::structureOffset()), result.gpr());
- m_jit.compare8(JITCompiler::Equal, JITCompiler::Address(result.gpr(), Structure::typeInfoTypeOffset()), TrustedImm32(StringType), result.gpr());
+ m_jit.compare8(JITCompiler::Equal,
+ JITCompiler::Address(value.payloadGPR(), JSCell::typeInfoTypeOffset()),
+ TrustedImm32(StringType),
+ result.gpr());
JITCompiler::Jump done = m_jit.jump();
isNotCell.link(&m_jit);
ASSERT(node->child1().useKind() == UntypedUse || node->child1().useKind() == CellUse || node->child1().useKind() == StringUse);
- JITCompiler::Jump isNotCell = m_jit.branch32(JITCompiler::NotEqual, tagGPR, JITCompiler::TrustedImm32(JSValue::CellTag));
+ JITCompiler::Jump isNotCell = branchNotCell(value.jsValueRegs());
if (node->child1().useKind() != UntypedUse)
DFG_TYPE_CHECK(JSValueRegs(tagGPR, payloadGPR), node->child1(), SpecCell, isNotCell);
if (!node->child1()->shouldSpeculateObject() || node->child1().useKind() == StringUse) {
- m_jit.loadPtr(JITCompiler::Address(payloadGPR, JSCell::structureOffset()), tempGPR);
- JITCompiler::Jump notString = m_jit.branch8(JITCompiler::NotEqual, JITCompiler::Address(tempGPR, Structure::typeInfoTypeOffset()), TrustedImm32(StringType));
+ JITCompiler::Jump notString = m_jit.branch8(
+ JITCompiler::NotEqual,
+ JITCompiler::Address(payloadGPR, JSCell::typeInfoTypeOffset()),
+ TrustedImm32(StringType));
if (node->child1().useKind() == StringUse)
DFG_TYPE_CHECK(JSValueRegs(tagGPR, payloadGPR), node->child1(), SpecString, notString);
m_jit.move(TrustedImmPtr(m_jit.vm()->smallStrings.stringString()), resultGPR);
break;
}
- case Phi:
case Flush:
break;
- case Breakpoint:
-#if ENABLE(DEBUG_WITH_BREAKPOINT)
- m_jit.breakpoint();
-#else
- RELEASE_ASSERT_NOT_REACHED();
-#endif
- break;
-
case Call:
case Construct:
emitCall(node);
break;
- case Resolve: {
- flushRegisters();
- GPRResult resultPayload(this);
- GPRResult2 resultTag(this);
- ResolveOperationData& data = m_jit.graph().m_resolveOperationsData[node->resolveOperationsDataIndex()];
- callOperation(operationResolve, resultTag.gpr(), resultPayload.gpr(), identifier(data.identifierNumber), data.resolveOperations);
- jsValueResult(resultTag.gpr(), resultPayload.gpr(), node);
- break;
- }
-
- case ResolveBase: {
- flushRegisters();
- GPRResult resultPayload(this);
- GPRResult2 resultTag(this);
- ResolveOperationData& data = m_jit.graph().m_resolveOperationsData[node->resolveOperationsDataIndex()];
- callOperation(operationResolveBase, resultTag.gpr(), resultPayload.gpr(), identifier(data.identifierNumber), data.resolveOperations, data.putToBaseOperation);
- jsValueResult(resultTag.gpr(), resultPayload.gpr(), node);
- break;
- }
-
- case ResolveBaseStrictPut: {
- flushRegisters();
- GPRResult resultPayload(this);
- GPRResult2 resultTag(this);
- ResolveOperationData& data = m_jit.graph().m_resolveOperationsData[node->resolveOperationsDataIndex()];
- callOperation(operationResolveBaseStrictPut, resultTag.gpr(), resultPayload.gpr(), identifier(data.identifierNumber), data.resolveOperations, data.putToBaseOperation);
- jsValueResult(resultTag.gpr(), resultPayload.gpr(), node);
- break;
- }
-
- case ResolveGlobal: {
- GPRTemporary globalObject(this);
- GPRTemporary resolveInfo(this);
- GPRTemporary resultTag(this);
- GPRTemporary resultPayload(this);
-
- GPRReg globalObjectGPR = globalObject.gpr();
- GPRReg resolveInfoGPR = resolveInfo.gpr();
- GPRReg resultTagGPR = resultTag.gpr();
- GPRReg resultPayloadGPR = resultPayload.gpr();
-
- ResolveGlobalData& data = m_jit.graph().m_resolveGlobalData[node->resolveGlobalDataIndex()];
- ResolveOperation* resolveOperationAddress = &(data.resolveOperations->data()[data.resolvePropertyIndex]);
-
- // Check Structure of global object
- m_jit.move(JITCompiler::TrustedImmPtr(m_jit.globalObjectFor(node->codeOrigin)), globalObjectGPR);
- m_jit.move(JITCompiler::TrustedImmPtr(resolveOperationAddress), resolveInfoGPR);
- m_jit.loadPtr(JITCompiler::Address(resolveInfoGPR, OBJECT_OFFSETOF(ResolveOperation, m_structure)), resultPayloadGPR);
-
- JITCompiler::Jump structuresNotMatch = m_jit.branchPtr(JITCompiler::NotEqual, resultPayloadGPR, JITCompiler::Address(globalObjectGPR, JSCell::structureOffset()));
-
- // Fast case
- m_jit.loadPtr(JITCompiler::Address(globalObjectGPR, JSObject::butterflyOffset()), resultPayloadGPR);
- m_jit.load32(JITCompiler::Address(resolveInfoGPR, OBJECT_OFFSETOF(ResolveOperation, m_offset)), resolveInfoGPR);
-#if DFG_ENABLE(JIT_ASSERT)
- JITCompiler::Jump isOutOfLine = m_jit.branch32(JITCompiler::GreaterThanOrEqual, resolveInfoGPR, TrustedImm32(firstOutOfLineOffset));
- m_jit.breakpoint();
- isOutOfLine.link(&m_jit);
-#endif
- m_jit.neg32(resolveInfoGPR);
- m_jit.signExtend32ToPtr(resolveInfoGPR, resolveInfoGPR);
- m_jit.load32(JITCompiler::BaseIndex(resultPayloadGPR, resolveInfoGPR, JITCompiler::TimesEight, OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag) + (firstOutOfLineOffset - 2) * static_cast<ptrdiff_t>(sizeof(JSValue))), resultTagGPR);
- m_jit.load32(JITCompiler::BaseIndex(resultPayloadGPR, resolveInfoGPR, JITCompiler::TimesEight, OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload) + (firstOutOfLineOffset - 2) * static_cast<ptrdiff_t>(sizeof(JSValue))), resultPayloadGPR);
-
- addSlowPathGenerator(
- slowPathCall(
- structuresNotMatch, this, operationResolveGlobal,
- JSValueRegs(resultTagGPR, resultPayloadGPR), resolveInfoGPR, globalObjectGPR,
- &m_jit.codeBlock()->identifier(data.identifierNumber)));
-
- jsValueResult(resultTagGPR, resultPayloadGPR, node);
- break;
- }
-
case CreateActivation: {
JSValueOperand value(this, node->child1());
- GPRTemporary result(this, value, false);
+ GPRTemporary result(this, Reuse, value, PayloadWord);
GPRReg valueTagGPR = value.tagGPR();
GPRReg valuePayloadGPR = value.payloadGPR();
JITCompiler::Jump notCreated = m_jit.branch32(JITCompiler::Equal, valueTagGPR, TrustedImm32(JSValue::EmptyValueTag));
addSlowPathGenerator(
- slowPathCall(notCreated, this, operationCreateActivation, resultGPR));
+ slowPathCall(
+ notCreated, this, operationCreateActivation, resultGPR,
+ framePointerOffsetToGetActivationRegisters()));
cellResult(resultGPR, node);
break;
}
+ case FunctionReentryWatchpoint: {
+ noResult(node);
+ break;
+ }
+
case CreateArguments: {
JSValueOperand value(this, node->child1());
- GPRTemporary result(this, value, false);
+ GPRTemporary scratch1(this);
+ GPRTemporary scratch2(this);
+ GPRTemporary result(this, Reuse, value, PayloadWord);
GPRReg valueTagGPR = value.tagGPR();
GPRReg valuePayloadGPR = value.payloadGPR();
+ GPRReg scratch1GPR = scratch1.gpr();
+ GPRReg scratch2GPR = scratch2.gpr();
GPRReg resultGPR = result.gpr();
m_jit.move(valuePayloadGPR, resultGPR);
- JITCompiler::Jump notCreated = m_jit.branch32(JITCompiler::Equal, valueTagGPR, TrustedImm32(JSValue::EmptyValueTag));
-
- if (node->codeOrigin.inlineCallFrame) {
+ if (node->origin.semantic.inlineCallFrame) {
+ JITCompiler::Jump notCreated = m_jit.branch32(JITCompiler::Equal, valueTagGPR, TrustedImm32(JSValue::EmptyValueTag));
addSlowPathGenerator(
slowPathCall(
notCreated, this, operationCreateInlinedArguments, resultGPR,
- node->codeOrigin.inlineCallFrame));
- } else {
+ node->origin.semantic.inlineCallFrame));
+ cellResult(resultGPR, node);
+ break;
+ }
+
+ FunctionExecutable* executable = jsCast<FunctionExecutable*>(m_jit.graph().executableFor(node->origin.semantic));
+ if (m_jit.codeBlock()->hasSlowArguments()
+ || executable->isStrictMode()
+ || !executable->parameterCount()) {
+ JITCompiler::Jump notCreated = m_jit.branch32(JITCompiler::Equal, valueTagGPR, TrustedImm32(JSValue::EmptyValueTag));
addSlowPathGenerator(
slowPathCall(notCreated, this, operationCreateArguments, resultGPR));
+ cellResult(resultGPR, node);
+ break;
}
-
+
+ JITCompiler::Jump alreadyCreated = m_jit.branch32(JITCompiler::NotEqual, valueTagGPR, TrustedImm32(JSValue::EmptyValueTag));
+
+ MacroAssembler::JumpList slowPaths;
+ emitAllocateArguments(resultGPR, scratch1GPR, scratch2GPR, slowPaths);
+ addSlowPathGenerator(
+ slowPathCall(slowPaths, this, operationCreateArguments, resultGPR));
+
+ alreadyCreated.link(&m_jit);
cellResult(resultGPR, node);
break;
}
JITCompiler::Jump notCreated = m_jit.branch32(JITCompiler::Equal, activationValueTagGPR, TrustedImm32(JSValue::EmptyValueTag));
- SharedSymbolTable* symbolTable = m_jit.symbolTableFor(node->codeOrigin);
+ SymbolTable* symbolTable = m_jit.symbolTableFor(node->origin.semantic);
int registersOffset = JSActivation::registersOffset(symbolTable);
- int captureEnd = symbolTable->captureEnd();
- for (int i = symbolTable->captureStart(); i < captureEnd; ++i) {
+ int bytecodeCaptureStart = symbolTable->captureStart();
+ int machineCaptureStart = m_jit.graph().m_machineCaptureStart;
+ for (int i = symbolTable->captureCount(); i--;) {
m_jit.loadPtr(
JITCompiler::Address(
- GPRInfo::callFrameRegister, i * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
+ GPRInfo::callFrameRegister, (machineCaptureStart - i) * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
scratchGPR);
m_jit.storePtr(
scratchGPR, JITCompiler::Address(
- activationValuePayloadGPR, registersOffset + i * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
+ activationValuePayloadGPR, registersOffset + (bytecodeCaptureStart - i) * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)));
m_jit.loadPtr(
JITCompiler::Address(
- GPRInfo::callFrameRegister, i * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
+ GPRInfo::callFrameRegister, (machineCaptureStart - i) * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
scratchGPR);
m_jit.storePtr(
scratchGPR, JITCompiler::Address(
- activationValuePayloadGPR, registersOffset + i * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
+ activationValuePayloadGPR, registersOffset + (bytecodeCaptureStart - i) * sizeof(Register) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
}
m_jit.addPtr(TrustedImm32(registersOffset), activationValuePayloadGPR, scratchGPR);
m_jit.storePtr(scratchGPR, JITCompiler::Address(activationValuePayloadGPR, JSActivation::offsetOfRegisters()));
JITCompiler::Jump created = m_jit.branchTest32(
JITCompiler::NonZero, unmodifiedArgumentsValuePayloadGPR);
- if (node->codeOrigin.inlineCallFrame) {
+ if (node->origin.semantic.inlineCallFrame) {
addSlowPathGenerator(
slowPathCall(
created, this, operationTearOffInlinedArguments, NoResult,
- unmodifiedArgumentsValuePayloadGPR, activationValuePayloadGPR, node->codeOrigin.inlineCallFrame));
+ unmodifiedArgumentsValuePayloadGPR, activationValuePayloadGPR, node->origin.semantic.inlineCallFrame));
} else {
addSlowPathGenerator(
slowPathCall(
case CheckArgumentsNotCreated: {
ASSERT(!isEmptySpeculation(
m_state.variables().operand(
- m_jit.graph().argumentsRegisterFor(node->codeOrigin)).m_type));
+ m_jit.graph().argumentsRegisterFor(node->origin.semantic)).m_type));
speculationCheck(
Uncountable, JSValueRegs(), 0,
m_jit.branch32(
JITCompiler::NotEqual,
- JITCompiler::tagFor(m_jit.argumentsRegisterFor(node->codeOrigin)),
+ JITCompiler::tagFor(m_jit.graph().machineArgumentsRegisterFor(node->origin.semantic)),
TrustedImm32(JSValue::EmptyValueTag)));
noResult(node);
break;
if (!isEmptySpeculation(
m_state.variables().operand(
- m_jit.graph().argumentsRegisterFor(node->codeOrigin)).m_type)) {
+ m_jit.graph().argumentsRegisterFor(node->origin.semantic)).m_type)) {
speculationCheck(
ArgumentsEscaped, JSValueRegs(), 0,
m_jit.branch32(
JITCompiler::NotEqual,
- JITCompiler::tagFor(m_jit.argumentsRegisterFor(node->codeOrigin)),
+ JITCompiler::tagFor(m_jit.graph().machineArgumentsRegisterFor(node->origin.semantic)),
TrustedImm32(JSValue::EmptyValueTag)));
}
- ASSERT(!node->codeOrigin.inlineCallFrame);
+ ASSERT(!node->origin.semantic.inlineCallFrame);
m_jit.load32(JITCompiler::payloadFor(JSStack::ArgumentCount), resultGPR);
m_jit.sub32(TrustedImm32(1), resultGPR);
- integerResult(resultGPR, node);
+ int32Result(resultGPR, node);
break;
}
JITCompiler::Jump created = m_jit.branch32(
JITCompiler::NotEqual,
- JITCompiler::tagFor(m_jit.argumentsRegisterFor(node->codeOrigin)),
+ JITCompiler::tagFor(m_jit.graph().machineArgumentsRegisterFor(node->origin.semantic)),
TrustedImm32(JSValue::EmptyValueTag));
- if (node->codeOrigin.inlineCallFrame) {
+ if (node->origin.semantic.inlineCallFrame) {
m_jit.move(
- Imm32(node->codeOrigin.inlineCallFrame->arguments.size() - 1),
+ Imm32(node->origin.semantic.inlineCallFrame->arguments.size() - 1),
resultPayloadGPR);
} else {
m_jit.load32(JITCompiler::payloadFor(JSStack::ArgumentCount), resultPayloadGPR);
slowPathCall(
created, this, operationGetArgumentsLength,
JSValueRegs(resultTagGPR, resultPayloadGPR),
- m_jit.argumentsRegisterFor(node->codeOrigin)));
+ m_jit.graph().machineArgumentsRegisterFor(node->origin.semantic).offset()));
jsValueResult(resultTagGPR, resultPayloadGPR, node);
break;
if (!isEmptySpeculation(
m_state.variables().operand(
- m_jit.graph().argumentsRegisterFor(node->codeOrigin)).m_type)) {
+ m_jit.graph().argumentsRegisterFor(node->origin.semantic)).m_type)) {
speculationCheck(
ArgumentsEscaped, JSValueRegs(), 0,
m_jit.branch32(
JITCompiler::NotEqual,
- JITCompiler::tagFor(m_jit.argumentsRegisterFor(node->codeOrigin)),
+ JITCompiler::tagFor(m_jit.graph().machineArgumentsRegisterFor(node->origin.semantic)),
TrustedImm32(JSValue::EmptyValueTag)));
}
m_jit.add32(TrustedImm32(1), indexGPR, resultPayloadGPR);
- if (node->codeOrigin.inlineCallFrame) {
+ if (node->origin.semantic.inlineCallFrame) {
speculationCheck(
Uncountable, JSValueRegs(), 0,
m_jit.branch32(
JITCompiler::AboveOrEqual,
resultPayloadGPR,
- Imm32(node->codeOrigin.inlineCallFrame->arguments.size())));
+ Imm32(node->origin.semantic.inlineCallFrame->arguments.size())));
} else {
speculationCheck(
Uncountable, JSValueRegs(), 0,
JITCompiler::JumpList slowArgument;
JITCompiler::JumpList slowArgumentOutOfBounds;
- if (const SlowArgument* slowArguments = m_jit.symbolTableFor(node->codeOrigin)->slowArguments()) {
+ if (m_jit.symbolTableFor(node->origin.semantic)->slowArguments()) {
+ RELEASE_ASSERT(!node->origin.semantic.inlineCallFrame);
+ const SlowArgument* slowArguments = m_jit.graph().m_slowArguments.get();
slowArgumentOutOfBounds.append(
m_jit.branch32(
JITCompiler::AboveOrEqual, indexGPR,
- Imm32(m_jit.symbolTableFor(node->codeOrigin)->parameterCount())));
+ Imm32(m_jit.symbolTableFor(node->origin.semantic)->parameterCount())));
COMPILE_ASSERT(sizeof(SlowArgument) == 8, SlowArgument_size_is_eight_bytes);
m_jit.move(ImmPtr(slowArguments), resultPayloadGPR);
m_jit.load32(
JITCompiler::BaseIndex(
GPRInfo::callFrameRegister, resultPayloadGPR, JITCompiler::TimesEight,
- m_jit.offsetOfLocals(node->codeOrigin) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
+ OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
resultTagGPR);
m_jit.load32(
JITCompiler::BaseIndex(
GPRInfo::callFrameRegister, resultPayloadGPR, JITCompiler::TimesEight,
- m_jit.offsetOfLocals(node->codeOrigin) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
+ OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
resultPayloadGPR);
slowArgument.append(m_jit.jump());
}
slowArgumentOutOfBounds.link(&m_jit);
- m_jit.neg32(resultPayloadGPR);
-
m_jit.load32(
JITCompiler::BaseIndex(
GPRInfo::callFrameRegister, resultPayloadGPR, JITCompiler::TimesEight,
- m_jit.offsetOfArgumentsIncludingThis(node->codeOrigin) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
+ m_jit.offsetOfArgumentsIncludingThis(node->origin.semantic) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
resultTagGPR);
m_jit.load32(
JITCompiler::BaseIndex(
GPRInfo::callFrameRegister, resultPayloadGPR, JITCompiler::TimesEight,
- m_jit.offsetOfArgumentsIncludingThis(node->codeOrigin) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
+ m_jit.offsetOfArgumentsIncludingThis(node->origin.semantic) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
resultPayloadGPR);
slowArgument.link(&m_jit);
slowPath.append(
m_jit.branch32(
JITCompiler::NotEqual,
- JITCompiler::tagFor(m_jit.argumentsRegisterFor(node->codeOrigin)),
+ JITCompiler::tagFor(m_jit.graph().machineArgumentsRegisterFor(node->origin.semantic)),
TrustedImm32(JSValue::EmptyValueTag)));
m_jit.add32(TrustedImm32(1), indexGPR, resultPayloadGPR);
- if (node->codeOrigin.inlineCallFrame) {
+ if (node->origin.semantic.inlineCallFrame) {
slowPath.append(
m_jit.branch32(
JITCompiler::AboveOrEqual,
resultPayloadGPR,
- Imm32(node->codeOrigin.inlineCallFrame->arguments.size())));
+ Imm32(node->origin.semantic.inlineCallFrame->arguments.size())));
} else {
slowPath.append(
m_jit.branch32(
JITCompiler::JumpList slowArgument;
JITCompiler::JumpList slowArgumentOutOfBounds;
- if (const SlowArgument* slowArguments = m_jit.symbolTableFor(node->codeOrigin)->slowArguments()) {
+ if (m_jit.symbolTableFor(node->origin.semantic)->slowArguments()) {
+ RELEASE_ASSERT(!node->origin.semantic.inlineCallFrame);
+ const SlowArgument* slowArguments = m_jit.graph().m_slowArguments.get();
slowArgumentOutOfBounds.append(
m_jit.branch32(
JITCompiler::AboveOrEqual, indexGPR,
- Imm32(m_jit.symbolTableFor(node->codeOrigin)->parameterCount())));
+ Imm32(m_jit.symbolTableFor(node->origin.semantic)->parameterCount())));
COMPILE_ASSERT(sizeof(SlowArgument) == 8, SlowArgument_size_is_eight_bytes);
m_jit.move(ImmPtr(slowArguments), resultPayloadGPR);
m_jit.load32(
JITCompiler::BaseIndex(
GPRInfo::callFrameRegister, resultPayloadGPR, JITCompiler::TimesEight,
- m_jit.offsetOfLocals(node->codeOrigin) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
+ OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
resultTagGPR);
m_jit.load32(
JITCompiler::BaseIndex(
GPRInfo::callFrameRegister, resultPayloadGPR, JITCompiler::TimesEight,
- m_jit.offsetOfLocals(node->codeOrigin) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
+ OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
resultPayloadGPR);
slowArgument.append(m_jit.jump());
}
slowArgumentOutOfBounds.link(&m_jit);
- m_jit.neg32(resultPayloadGPR);
-
m_jit.load32(
JITCompiler::BaseIndex(
GPRInfo::callFrameRegister, resultPayloadGPR, JITCompiler::TimesEight,
- m_jit.offsetOfArgumentsIncludingThis(node->codeOrigin) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
+ m_jit.offsetOfArgumentsIncludingThis(node->origin.semantic) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.tag)),
resultTagGPR);
m_jit.load32(
JITCompiler::BaseIndex(
GPRInfo::callFrameRegister, resultPayloadGPR, JITCompiler::TimesEight,
- m_jit.offsetOfArgumentsIncludingThis(node->codeOrigin) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
+ m_jit.offsetOfArgumentsIncludingThis(node->origin.semantic) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)),
resultPayloadGPR);
- if (node->codeOrigin.inlineCallFrame) {
+ if (node->origin.semantic.inlineCallFrame) {
addSlowPathGenerator(
slowPathCall(
slowPath, this, operationGetInlinedArgumentByVal,
JSValueRegs(resultTagGPR, resultPayloadGPR),
- m_jit.argumentsRegisterFor(node->codeOrigin),
- node->codeOrigin.inlineCallFrame, indexGPR));
+ m_jit.graph().machineArgumentsRegisterFor(node->origin.semantic).offset(),
+ node->origin.semantic.inlineCallFrame, indexGPR));
} else {
addSlowPathGenerator(
slowPathCall(
slowPath, this, operationGetArgumentByVal,
JSValueRegs(resultTagGPR, resultPayloadGPR),
- m_jit.argumentsRegisterFor(node->codeOrigin), indexGPR));
+ m_jit.graph().machineArgumentsRegisterFor(node->origin.semantic).offset(),
+ indexGPR));
}
slowArgument.link(&m_jit);
case NewFunction: {
JSValueOperand value(this, node->child1());
- GPRTemporary resultTag(this, value);
- GPRTemporary resultPayload(this, value, false);
+ GPRTemporary resultTag(this, Reuse, value, TagWord);
+ GPRTemporary resultPayload(this, Reuse, value, PayloadWord);
GPRReg valueTagGPR = value.tagGPR();
GPRReg valuePayloadGPR = value.payloadGPR();
case NewFunctionExpression:
compileNewFunctionExpression(node);
break;
+
+ case In:
+ compileIn(node);
+ break;
- case GarbageValue:
- // We should never get to the point of code emission for a GarbageValue
- CRASH();
+ case StoreBarrier:
+ case StoreBarrierWithNullCheck: {
+ compileStoreBarrier(node);
break;
+ }
case ForceOSRExit: {
terminateSpeculativeExecution(InadequateCoverage, JSValueRegs(), 0);
break;
}
+ case InvalidationPoint:
+ emitInvalidationPoint(node);
+ break;
+
case CheckWatchdogTimer:
+ ASSERT(m_jit.vm()->watchdog);
speculationCheck(
WatchdogTimerFired, JSValueRegs(), 0,
m_jit.branchTest8(
JITCompiler::NonZero,
- JITCompiler::AbsoluteAddress(m_jit.vm()->watchdog.timerDidFireAddress())));
+ JITCompiler::AbsoluteAddress(m_jit.vm()->watchdog->timerDidFireAddress())));
break;
case CountExecution:
break;
case Phantom:
+ case HardPhantom:
DFG_NODE_DO_TO_CHILDREN(m_jit.graph(), node, speculate);
noResult(node);
break;
+ case Breakpoint:
+ case ProfileWillCall:
+ case ProfileDidCall:
case PhantomLocal:
+ case LoopHint:
// This is a no-op.
noResult(node);
break;
RELEASE_ASSERT_NOT_REACHED();
break;
- case Nop:
case LastNodeType:
+ case Phi:
+ case Upsilon:
+ case GetArgument:
+ case ExtractOSREntryLocal:
+ case CheckTierUpInLoop:
+ case CheckTierUpAtReturn:
+ case CheckTierUpAndOSREnter:
+ case Int52Rep:
+ case FiatInt52:
+ case Int52Constant:
+ case CheckInBounds:
+ case ArithIMul:
+ case MultiGetByOffset:
+ case MultiPutByOffset:
RELEASE_ASSERT_NOT_REACHED();
break;
}
-#if ENABLE(DFG_REGISTER_ALLOCATION_VALIDATION)
- m_jit.clearRegisterAllocationOffsets();
-#endif
-
if (!m_compileOkay)
return;
use(node);
}
+#if ENABLE(GGC)
+void SpeculativeJIT::writeBarrier(GPRReg ownerGPR, GPRReg valueTagGPR, Edge valueUse, GPRReg scratch1, GPRReg scratch2)
+{
+ JITCompiler::Jump isNotCell;
+ if (!isKnownCell(valueUse.node()))
+ isNotCell = m_jit.branch32(JITCompiler::NotEqual, valueTagGPR, JITCompiler::TrustedImm32(JSValue::CellTag));
+
+ JITCompiler::Jump ownerNotMarkedOrAlreadyRemembered = m_jit.checkMarkByte(ownerGPR);
+ storeToWriteBarrierBuffer(ownerGPR, scratch1, scratch2);
+ ownerNotMarkedOrAlreadyRemembered.link(&m_jit);
+
+ if (!isKnownCell(valueUse.node()))
+ isNotCell.link(&m_jit);
+}
+
+void SpeculativeJIT::writeBarrier(JSCell* owner, GPRReg valueTagGPR, Edge valueUse, GPRReg scratch1, GPRReg scratch2)
+{
+ JITCompiler::Jump isNotCell;
+ if (!isKnownCell(valueUse.node()))
+ isNotCell = m_jit.branch32(JITCompiler::NotEqual, valueTagGPR, JITCompiler::TrustedImm32(JSValue::CellTag));
+
+ JITCompiler::Jump ownerNotMarkedOrAlreadyRemembered = m_jit.checkMarkByte(owner);
+ storeToWriteBarrierBuffer(owner, scratch1, scratch2);
+ ownerNotMarkedOrAlreadyRemembered.link(&m_jit);
+
+ if (!isKnownCell(valueUse.node()))
+ isNotCell.link(&m_jit);
+}
+#endif // ENABLE(GGC)
+
+JITCompiler::Jump SpeculativeJIT::branchIsCell(JSValueRegs regs)
+{
+ return m_jit.branch32(MacroAssembler::Equal, regs.tagGPR(), TrustedImm32(JSValue::CellTag));
+}
+
+JITCompiler::Jump SpeculativeJIT::branchNotCell(JSValueRegs regs)
+{
+ return m_jit.branch32(MacroAssembler::NotEqual, regs.tagGPR(), TrustedImm32(JSValue::CellTag));
+}
+
+JITCompiler::Jump SpeculativeJIT::branchIsOther(JSValueRegs regs, GPRReg tempGPR)
+{
+ m_jit.move(regs.tagGPR(), tempGPR);
+ m_jit.or32(TrustedImm32(1), tempGPR);
+ return m_jit.branch32(
+ MacroAssembler::Equal, tempGPR,
+ MacroAssembler::TrustedImm32(JSValue::NullTag));
+}
+
+JITCompiler::Jump SpeculativeJIT::branchNotOther(JSValueRegs regs, GPRReg tempGPR)
+{
+ m_jit.move(regs.tagGPR(), tempGPR);
+ m_jit.or32(TrustedImm32(1), tempGPR);
+ return m_jit.branch32(
+ MacroAssembler::NotEqual, tempGPR,
+ MacroAssembler::TrustedImm32(JSValue::NullTag));
+}
+
+void SpeculativeJIT::moveTrueTo(GPRReg gpr)
+{
+ m_jit.move(TrustedImm32(1), gpr);
+}
+
+void SpeculativeJIT::moveFalseTo(GPRReg gpr)
+{
+ m_jit.move(TrustedImm32(0), gpr);
+}
+
+void SpeculativeJIT::blessBoolean(GPRReg)
+{
+}
+
#endif
} } // namespace JSC::DFG
projects / apple / javascriptcore.git / blobdiff