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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=4 sw=4 et tw=99:
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#if !defined jsjaeger_compiler_h__ && defined JS_METHODJIT
#define jsjaeger_compiler_h__
#include "jsanalyze.h"
#include "jscntxt.h"
#include "MethodJIT.h"
#include "CodeGenIncludes.h"
#include "BaseCompiler.h"
#include "StubCompiler.h"
#include "MonoIC.h"
#include "PolyIC.h"
namespace js {
namespace mjit {
/*
* Patch for storing call site and rejoin site return addresses at, for
* redirecting the return address in InvariantFailure.
*/
struct InvariantCodePatch {
bool hasPatch;
JSC::MacroAssembler::DataLabelPtr codePatch;
InvariantCodePatch() : hasPatch(false) {}
};
struct JSActiveFrame {
JSActiveFrame *parent;
jsbytecode *parentPC;
JSScript *script;
/*
* Index into inlineFrames or OUTER_FRAME, matches this frame's index in
* the cross script SSA.
*/
uint32_t inlineIndex;
/* JIT code generation tracking state */
size_t mainCodeStart;
size_t stubCodeStart;
size_t mainCodeEnd;
size_t stubCodeEnd;
size_t inlinePCOffset;
JSActiveFrame();
};
class Compiler : public BaseCompiler
{
friend class StubCompiler;
struct BranchPatch {
BranchPatch(const Jump &j, jsbytecode *pc, uint32_t inlineIndex)
: jump(j), pc(pc), inlineIndex(inlineIndex)
{ }
Jump jump;
jsbytecode *pc;
uint32_t inlineIndex;
};
#if defined JS_MONOIC
struct GlobalNameICInfo {
Label fastPathStart;
Call slowPathCall;
DataLabelPtr shape;
DataLabelPtr addrLabel;
void copyTo(ic::GlobalNameIC &to, JSC::LinkBuffer &full, JSC::LinkBuffer &stub) {
to.fastPathStart = full.locationOf(fastPathStart);
int offset = full.locationOf(shape) - to.fastPathStart;
to.shapeOffset = offset;
JS_ASSERT(to.shapeOffset == offset);
to.slowPathCall = stub.locationOf(slowPathCall);
}
};
struct GetGlobalNameICInfo : public GlobalNameICInfo {
Label load;
};
struct SetGlobalNameICInfo : public GlobalNameICInfo {
Label slowPathStart;
Label fastPathRejoin;
DataLabel32 store;
Jump shapeGuardJump;
ValueRemat vr;
RegisterID objReg;
RegisterID shapeReg;
bool objConst;
};
struct EqualityGenInfo {
DataLabelPtr addrLabel;
Label stubEntry;
Call stubCall;
BoolStub stub;
MaybeJump jumpToStub;
Label fallThrough;
jsbytecode *jumpTarget;
bool trampoline;
Label trampolineStart;
ValueRemat lvr, rvr;
Assembler::Condition cond;
JSC::MacroAssembler::RegisterID tempReg;
};
/* InlineFrameAssembler wants to see this. */
public:
struct CallGenInfo {
/*
* These members map to members in CallICInfo. See that structure for
* more comments.
*/
uint32_t callIndex;
DataLabelPtr funGuard;
Jump funJump;
Jump hotJump;
Call oolCall;
Label joinPoint;
Label slowJoinPoint;
Label slowPathStart;
Label hotPathLabel;
Label ionJoinPoint;
DataLabelPtr addrLabel1;
DataLabelPtr addrLabel2;
Jump oolJump;
Label icCall;
RegisterID funObjReg;
FrameSize frameSize;
bool typeMonitored;
};
private:
#endif
/*
* Writes of call return addresses which needs to be delayed until the final
* absolute address of the join point is known.
*/
struct CallPatchInfo {
CallPatchInfo() : hasFastNcode(false), hasSlowNcode(false), joinSlow(false) {}
Label joinPoint;
DataLabelPtr fastNcodePatch;
DataLabelPtr slowNcodePatch;
bool hasFastNcode;
bool hasSlowNcode;
bool joinSlow;
};
struct BaseICInfo {
BaseICInfo() : canCallHook(false), forcedTypeBarrier(false)
{ }
Label fastPathStart;
Label fastPathRejoin;
Label slowPathStart;
Call slowPathCall;
DataLabelPtr paramAddr;
bool canCallHook;
bool forcedTypeBarrier;
void copyTo(ic::BaseIC &to, JSC::LinkBuffer &full, JSC::LinkBuffer &stub) {
to.fastPathStart = full.locationOf(fastPathStart);
to.fastPathRejoin = full.locationOf(fastPathRejoin);
to.slowPathStart = stub.locationOf(slowPathStart);
to.slowPathCall = stub.locationOf(slowPathCall);
to.canCallHook = canCallHook;
to.forcedTypeBarrier = forcedTypeBarrier;
}
};
struct GetElementICInfo : public BaseICInfo {
RegisterID typeReg;
RegisterID objReg;
ValueRemat id;
MaybeJump typeGuard;
Jump shapeGuard;
};
struct SetElementICInfo : public BaseICInfo {
RegisterID objReg;
StateRemat objRemat;
ValueRemat vr;
Jump capacityGuard;
Jump shapeGuard;
Jump holeGuard;
Int32Key key;
uint32_t volatileMask;
};
struct PICGenInfo : public BaseICInfo {
PICGenInfo(ic::PICInfo::Kind kind, jsbytecode *pc)
: kind(kind), pc(pc), typeMonitored(false)
{ }
ic::PICInfo::Kind kind;
Label typeCheck;
RegisterID shapeReg;
RegisterID objReg;
RegisterID typeReg;
Label shapeGuard;
jsbytecode *pc;
PropertyName *name;
bool hasTypeCheck;
bool typeMonitored;
bool cached;
ValueRemat vr;
union {
ic::GetPropLabels getPropLabels_;
ic::SetPropLabels setPropLabels_;
ic::BindNameLabels bindNameLabels_;
ic::ScopeNameLabels scopeNameLabels_;
};
ic::GetPropLabels &getPropLabels() {
JS_ASSERT(kind == ic::PICInfo::GET);
return getPropLabels_;
}
ic::SetPropLabels &setPropLabels() {
JS_ASSERT(kind == ic::PICInfo::SET);
return setPropLabels_;
}
ic::BindNameLabels &bindNameLabels() {
JS_ASSERT(kind == ic::PICInfo::BIND);
return bindNameLabels_;
}
ic::ScopeNameLabels &scopeNameLabels() {
JS_ASSERT(kind == ic::PICInfo::NAME ||
kind == ic::PICInfo::XNAME);
return scopeNameLabels_;
}
void copySimpleMembersTo(ic::PICInfo &ic) {
ic.kind = kind;
ic.shapeReg = shapeReg;
ic.objReg = objReg;
ic.name = name;
if (ic.isSet()) {
ic.u.vr = vr;
} else if (ic.isGet()) {
ic.u.get.typeReg = typeReg;
ic.u.get.hasTypeCheck = hasTypeCheck;
}
ic.typeMonitored = typeMonitored;
ic.cached = cached;
if (ic.isGet())
ic.setLabels(getPropLabels());
else if (ic.isSet())
ic.setLabels(setPropLabels());
else if (ic.isBind())
ic.setLabels(bindNameLabels());
else if (ic.isScopeName())
ic.setLabels(scopeNameLabels());
}
};
struct Defs {
Defs(uint32_t ndefs)
: ndefs(ndefs)
{ }
uint32_t ndefs;
};
struct InternalCallSite {
uint32_t returnOffset;
DataLabelPtr inlinePatch;
uint32_t inlineIndex;
jsbytecode *inlinepc;
RejoinState rejoin;
bool ool;
Label loopJumpLabel;
InvariantCodePatch loopPatch;
InternalCallSite(uint32_t returnOffset,
uint32_t inlineIndex, jsbytecode *inlinepc,
RejoinState rejoin, bool ool)
: returnOffset(returnOffset),
inlineIndex(inlineIndex), inlinepc(inlinepc),
rejoin(rejoin), ool(ool)
{ }
};
struct DoublePatch {
double d;
DataLabelPtr label;
bool ool;
};
struct JumpTable {
DataLabelPtr label;
size_t offsetIndex;
};
struct JumpTableEdge {
uint32_t source;
uint32_t target;
};
struct ChunkJumpTableEdge {
JumpTableEdge edge;
void **jumpTableEntry;
};
struct LoopEntry {
uint32_t pcOffset;
Label label;
};
/*
* Information about the current type of an argument or local in the
* script. The known type tag of these types is cached when possible to
* avoid generating duplicate dependency constraints.
*/
class VarType {
JSValueType type;
types::StackTypeSet *types;
public:
void setTypes(types::StackTypeSet *types) {
this->types = types;
this->type = JSVAL_TYPE_MISSING;
}
types::TypeSet *getTypes() { return types; }
JSValueType getTypeTag() {
if (type == JSVAL_TYPE_MISSING)
type = types ? types->getKnownTypeTag() : JSVAL_TYPE_UNKNOWN;
return type;
}
};
struct OutgoingChunkEdge {
uint32_t source;
uint32_t target;
#ifdef JS_CPU_X64
Label sourceTrampoline;
#endif
Jump fastJump;
MaybeJump slowJump;
};
struct SlotType
{
uint32_t slot;
VarType vt;
SlotType(uint32_t slot, VarType vt) : slot(slot), vt(vt) {}
};
RootedScript outerScript;
unsigned chunkIndex;
bool isConstructing;
ChunkDescriptor outerChunk;
/* SSA information for the outer script and all frames we will be inlining. */
analyze::CrossScriptSSA ssa;
Rooted<GlobalObject*> globalObj;
const HeapSlot *globalSlots; /* Original slots pointer. */
MJITInstrumentation sps;
Assembler masm;
FrameState frame;
/*
* State for the current stack frame, and links to its parents going up to
* the outermost script.
*/
public:
struct ActiveFrame : public JSActiveFrame {
Label *jumpMap;
/* Current types for non-escaping vars in the script. */
VarType *varTypes;
/* State for managing return from inlined frames. */
bool needReturnValue; /* Return value will be used. */
bool syncReturnValue; /* Return value should be fully synced. */
bool returnValueDouble; /* Return value should be a double. */
bool returnSet; /* Whether returnRegister is valid. */
AnyRegisterID returnRegister; /* Register holding return value. */
const FrameEntry *returnEntry; /* Entry copied by return value. */
Vector<Jump, 4, CompilerAllocPolicy> *returnJumps;
/*
* Snapshot of the heap state to use after the call, in case
* there are multiple return paths the inlined frame could take.
*/
RegisterAllocation *exitState;
ActiveFrame(JSContext *cx);
~ActiveFrame();
};
private:
ActiveFrame *a;
ActiveFrame *outer;
RootedScript script_;
analyze::ScriptAnalysis *analysis;
jsbytecode *PC;
LoopState *loop;
/* State spanning all stack frames. */
js::Vector<ActiveFrame*, 4, CompilerAllocPolicy> inlineFrames;
js::Vector<BranchPatch, 64, CompilerAllocPolicy> branchPatches;
#if defined JS_MONOIC
js::Vector<GetGlobalNameICInfo, 16, CompilerAllocPolicy> getGlobalNames;
js::Vector<SetGlobalNameICInfo, 16, CompilerAllocPolicy> setGlobalNames;
js::Vector<CallGenInfo, 64, CompilerAllocPolicy> callICs;
js::Vector<EqualityGenInfo, 64, CompilerAllocPolicy> equalityICs;
#endif
#if defined JS_POLYIC
js::Vector<PICGenInfo, 16, CompilerAllocPolicy> pics;
js::Vector<GetElementICInfo, 16, CompilerAllocPolicy> getElemICs;
js::Vector<SetElementICInfo, 16, CompilerAllocPolicy> setElemICs;
#endif
js::Vector<CallPatchInfo, 64, CompilerAllocPolicy> callPatches;
js::Vector<InternalCallSite, 64, CompilerAllocPolicy> callSites;
js::Vector<DoublePatch, 16, CompilerAllocPolicy> doubleList;
js::Vector<JSObject*, 0, CompilerAllocPolicy> rootedTemplates;
js::Vector<RegExpShared*, 0, CompilerAllocPolicy> rootedRegExps;
js::Vector<uint32_t> monitoredBytecodes;
js::Vector<uint32_t> typeBarrierBytecodes;
js::Vector<uint32_t> fixedIntToDoubleEntries;
js::Vector<uint32_t> fixedDoubleToAnyEntries;
js::Vector<JumpTable, 16> jumpTables;
js::Vector<JumpTableEdge, 16> jumpTableEdges;
js::Vector<LoopEntry, 16> loopEntries;
js::Vector<OutgoingChunkEdge, 16> chunkEdges;
StubCompiler stubcc;
Label fastEntryLabel;
Label arityLabel;
Label argsCheckLabel;
#ifdef JS_MONOIC
Label argsCheckStub;
Label argsCheckFallthrough;
Jump argsCheckJump;
#endif
bool debugMode_;
bool inlining_;
bool hasGlobalReallocation;
bool oomInVector; // True if we have OOM'd appending to a vector.
bool overflowICSpace; // True if we added a constant pool in a reserved space.
uint64_t gcNumber;
PCLengthEntry *pcLengths;
Compiler *thisFromCtor() { return this; }
friend class CompilerAllocPolicy;
public:
Compiler(JSContext *cx, JSScript *outerScript, unsigned chunkIndex, bool isConstructing);
~Compiler();
CompileStatus compile();
Label getLabel() { return masm.label(); }
bool knownJump(jsbytecode *pc);
Label labelOf(jsbytecode *target, uint32_t inlineIndex);
void addCallSite(const InternalCallSite &callSite);
void addReturnSite();
void inlineStubCall(void *stub, RejoinState rejoin, Uses uses);
bool debugMode() { return debugMode_; }
bool inlining() { return inlining_; }
bool constructing() { return isConstructing; }
jsbytecode *outerPC() {
if (a == outer)
return PC;
ActiveFrame *scan = a;
while (scan && scan->parent != outer)
scan = static_cast<ActiveFrame *>(scan->parent);
return scan->parentPC;
}
JITScript *outerJIT() {
return outerScript->getJIT(isConstructing, cx->compartment->compileBarriers());
}
ChunkDescriptor &outerChunkRef() {
return outerJIT()->chunkDescriptor(chunkIndex);
}
bool bytecodeInChunk(jsbytecode *pc) {
return (unsigned(pc - outerScript->code) >= outerChunk.begin)
&& (unsigned(pc - outerScript->code) < outerChunk.end);
}
jsbytecode *inlinePC() { return PC; }
uint32_t inlineIndex() { return a->inlineIndex; }
Assembler &getAssembler(bool ool) { return ool ? stubcc.masm : masm; }
InvariantCodePatch *getInvariantPatch(unsigned index) {
return &callSites[index].loopPatch;
}
jsbytecode *getInvariantPC(unsigned index) {
return callSites[index].inlinepc;
}
bool activeFrameHasMultipleExits() {
ActiveFrame *na = a;
while (na->parent) {
if (na->exitState)
return true;
na = static_cast<ActiveFrame *>(na->parent);
}
return false;
}
private:
CompileStatus performCompilation();
CompileStatus generatePrologue();
CompileStatus generateMethod();
CompileStatus generateEpilogue();
CompileStatus finishThisUp();
CompileStatus pushActiveFrame(JSScript *script, uint32_t argc);
void popActiveFrame();
void updatePCCounts(jsbytecode *pc, bool *updated);
void updatePCTypes(jsbytecode *pc, FrameEntry *fe);
void updateArithCounts(jsbytecode *pc, FrameEntry *fe,
JSValueType firstUseType, JSValueType secondUseType);
void updateElemCounts(jsbytecode *pc, FrameEntry *obj, FrameEntry *id);
void bumpPropCount(jsbytecode *pc, int count);
/* Analysis helpers. */
CompileStatus prepareInferenceTypes(JSScript *script, ActiveFrame *a);
void ensureDoubleArguments();
void markUndefinedLocal(uint32_t offset, uint32_t i);
void markUndefinedLocals();
void fixDoubleTypes(jsbytecode *target);
void watchGlobalReallocation();
void updateVarType();
void updateJoinVarTypes();
void restoreVarType();
JSValueType knownPushedType(uint32_t pushed);
bool mayPushUndefined(uint32_t pushed);
types::StackTypeSet *pushedTypeSet(uint32_t which);
bool monitored(jsbytecode *pc);
bool hasTypeBarriers(jsbytecode *pc);
bool testSingletonProperty(HandleObject obj, HandleId id);
bool testSingletonPropertyTypes(FrameEntry *top, HandleId id, bool *testObject);
CompileStatus addInlineFrame(HandleScript script, uint32_t depth, uint32_t parent, jsbytecode *parentpc);
CompileStatus scanInlineCalls(uint32_t index, uint32_t depth);
CompileStatus checkAnalysis(HandleScript script);
struct BarrierState {
MaybeJump jump;
RegisterID typeReg;
RegisterID dataReg;
};
MaybeJump trySingleTypeTest(types::StackTypeSet *types, RegisterID typeReg);
Jump addTypeTest(types::StackTypeSet *types, RegisterID typeReg, RegisterID dataReg);
BarrierState pushAddressMaybeBarrier(Address address, JSValueType type, bool reuseBase,
bool testUndefined = false);
BarrierState testBarrier(RegisterID typeReg, RegisterID dataReg,
bool testUndefined = false, bool testReturn = false,
bool force = false);
void finishBarrier(const BarrierState &barrier, RejoinState rejoin, uint32_t which);
void testPushedType(RejoinState rejoin, int which, bool ool = true);
/* Non-emitting helpers. */
void pushSyncedEntry(uint32_t pushed);
bool jumpInScript(Jump j, jsbytecode *pc);
bool compareTwoValues(JSContext *cx, JSOp op, const Value &lhs, const Value &rhs);
/* Emitting helpers. */
bool constantFoldBranch(jsbytecode *target, bool taken);
bool emitStubCmpOp(BoolStub stub, jsbytecode *target, JSOp fused);
bool iter(unsigned flags);
void iterNext();
bool iterMore(jsbytecode *target);
void iterEnd();
MaybeJump loadDouble(FrameEntry *fe, FPRegisterID *fpReg, bool *allocated);
#ifdef JS_POLYIC
void passICAddress(BaseICInfo *ic);
#endif
#ifdef JS_MONOIC
void passMICAddress(GlobalNameICInfo &mic);
#endif
bool constructThis();
void ensureDouble(FrameEntry *fe);
/*
* Ensure fe is an integer, truncating from double if necessary, or jump to
* the slow path per uses.
*/
void ensureInteger(FrameEntry *fe, Uses uses);
/* Convert fe from a double to integer (per ValueToECMAInt32) in place. */
void truncateDoubleToInt32(FrameEntry *fe, Uses uses);
/*
* Try to convert a double fe to an integer, with no truncation performed,
* or jump to the slow path per uses.
*/
void tryConvertInteger(FrameEntry *fe, Uses uses);
/* Opcode handlers. */
bool jumpAndRun(Jump j, jsbytecode *target,
Jump *slow = NULL, bool *trampoline = NULL,
bool fallthrough = false);
bool startLoop(jsbytecode *head, Jump entry, jsbytecode *entryTarget);
bool finishLoop(jsbytecode *head);
inline bool shouldStartLoop(jsbytecode *head);
void jsop_bindname(PropertyName *name);
void jsop_setglobal(uint32_t index);
void jsop_getprop_slow(PropertyName *name, bool forPrototype = false);
void jsop_aliasedArg(unsigned i, bool get, bool poppedAfter = false);
void jsop_aliasedVar(ScopeCoordinate sc, bool get, bool poppedAfter = false);
void jsop_this();
void emitReturn(FrameEntry *fe);
void emitFinalReturn(Assembler &masm);
void loadReturnValue(Assembler *masm, FrameEntry *fe);
void emitReturnValue(Assembler *masm, FrameEntry *fe);
void emitInlineReturnValue(FrameEntry *fe);
void dispatchCall(VoidPtrStubUInt32 stub, uint32_t argc);
void interruptCheckHelper();
void ionCompileHelper();
void inliningCompileHelper();
CompileStatus methodEntryHelper();
CompileStatus profilingPushHelper();
void profilingPopHelper();
void emitUncachedCall(uint32_t argc, bool callingNew);
void checkCallApplySpeculation(uint32_t argc, FrameEntry *origCallee, FrameEntry *origThis,
MaybeRegisterID origCalleeType, RegisterID origCalleeData,
MaybeRegisterID origThisType, RegisterID origThisData,
Jump *uncachedCallSlowRejoin, CallPatchInfo *uncachedCallPatch);
bool inlineCallHelper(uint32_t argc, bool callingNew, FrameSize &callFrameSize);
void fixPrimitiveReturn(Assembler *masm, FrameEntry *fe);
bool jsop_getgname(uint32_t index);
void jsop_getgname_slow(uint32_t index);
bool jsop_setgname(PropertyName *name, bool popGuaranteed);
void jsop_setgname_slow(PropertyName *name);
void jsop_bindgname();
void jsop_setelem_slow();
void jsop_getelem_slow();
bool jsop_getprop(PropertyName *name, JSValueType type,
bool typeCheck = true, bool forPrototype = false);
bool jsop_getprop_dispatch(PropertyName *name);
bool jsop_setprop(PropertyName *name, bool popGuaranteed);
void jsop_setprop_slow(PropertyName *name);
bool jsop_instanceof();
void jsop_intrinsicname(PropertyName *name, JSValueType type);
void jsop_name(PropertyName *name, JSValueType type);
bool jsop_xname(PropertyName *name);
void enterBlock(StaticBlockObject *block);
void leaveBlock();
void emitEval(uint32_t argc);
bool jsop_tableswitch(jsbytecode *pc);
Jump getNewObject(JSContext *cx, RegisterID result, JSObject *templateObject);
/* Fast arithmetic. */
bool jsop_binary_slow(JSOp op, VoidStub stub, JSValueType type, FrameEntry *lhs, FrameEntry *rhs);
bool jsop_binary(JSOp op, VoidStub stub, JSValueType type, types::TypeSet *typeSet);
void jsop_binary_full(FrameEntry *lhs, FrameEntry *rhs, JSOp op, VoidStub stub,
JSValueType type, bool cannotOverflow, bool ignoreOverflow);
void jsop_binary_full_simple(FrameEntry *fe, JSOp op, VoidStub stub,
JSValueType type);
void jsop_binary_double(FrameEntry *lhs, FrameEntry *rhs, JSOp op, VoidStub stub,
JSValueType type);
void slowLoadConstantDouble(Assembler &masm, FrameEntry *fe,
FPRegisterID fpreg);
void maybeJumpIfNotInt32(Assembler &masm, MaybeJump &mj, FrameEntry *fe,
MaybeRegisterID &mreg);
void maybeJumpIfNotDouble(Assembler &masm, MaybeJump &mj, FrameEntry *fe,
MaybeRegisterID &mreg);
bool jsop_relational(JSOp op, BoolStub stub, jsbytecode *target, JSOp fused);
bool jsop_relational_full(JSOp op, BoolStub stub, jsbytecode *target, JSOp fused);
bool jsop_relational_double(JSOp op, BoolStub stub, jsbytecode *target, JSOp fused);
bool jsop_relational_int(JSOp op, jsbytecode *target, JSOp fused);
void emitLeftDoublePath(FrameEntry *lhs, FrameEntry *rhs, FrameState::BinaryAlloc ®s,
MaybeJump &lhsNotDouble, MaybeJump &rhsNotNumber,
MaybeJump &lhsUnknownDone);
void emitRightDoublePath(FrameEntry *lhs, FrameEntry *rhs, FrameState::BinaryAlloc ®s,
MaybeJump &rhsNotNumber2);
bool tryBinaryConstantFold(JSContext *cx, FrameState &frame, JSOp op,
FrameEntry *lhs, FrameEntry *rhs, Value *vp);
/* Fast opcodes. */
void jsop_bitop(JSOp op);
bool jsop_mod();
void jsop_neg();
void jsop_bitnot();
void jsop_not();
void jsop_typeof();
bool booleanJumpScript(JSOp op, jsbytecode *target);
bool jsop_ifneq(JSOp op, jsbytecode *target);
bool jsop_andor(JSOp op, jsbytecode *target);
bool jsop_arginc(JSOp op, uint32_t slot);
bool jsop_localinc(JSOp op, uint32_t slot);
bool jsop_newinit();
bool jsop_regexp();
void jsop_initmethod();
void jsop_initprop();
void jsop_initelem();
void jsop_setelem_dense();
#ifdef JS_METHODJIT_TYPED_ARRAY
void jsop_setelem_typed(int atype);
void convertForTypedArray(int atype, ValueRemat *vr, bool *allocated);
#endif
bool jsop_setelem(bool popGuaranteed);
bool jsop_getelem();
void jsop_getelem_dense(bool isPacked);
void jsop_getelem_args();
#ifdef JS_METHODJIT_TYPED_ARRAY
bool jsop_getelem_typed(int atype);
#endif
void jsop_toid();
bool isCacheableBaseAndIndex(FrameEntry *obj, FrameEntry *id);
void jsop_stricteq(JSOp op);
bool jsop_equality(JSOp op, BoolStub stub, jsbytecode *target, JSOp fused);
CompileStatus jsop_equality_obj_obj(JSOp op, jsbytecode *target, JSOp fused);
bool jsop_equality_int_string(JSOp op, BoolStub stub, jsbytecode *target, JSOp fused);
void jsop_pos();
void jsop_in();
static inline Assembler::Condition
GetCompareCondition(JSOp op, JSOp fused)
{
bool ifeq = fused == JSOP_IFEQ;
switch (op) {
case JSOP_GT:
return ifeq ? Assembler::LessThanOrEqual : Assembler::GreaterThan;
case JSOP_GE:
return ifeq ? Assembler::LessThan : Assembler::GreaterThanOrEqual;
case JSOP_LT:
return ifeq ? Assembler::GreaterThanOrEqual : Assembler::LessThan;
case JSOP_LE:
return ifeq ? Assembler::GreaterThan : Assembler::LessThanOrEqual;
case JSOP_STRICTEQ:
case JSOP_EQ:
return ifeq ? Assembler::NotEqual : Assembler::Equal;
case JSOP_STRICTNE:
case JSOP_NE:
return ifeq ? Assembler::Equal : Assembler::NotEqual;
default:
JS_NOT_REACHED("unrecognized op");
return Assembler::Equal;
}
}
static inline Assembler::Condition
GetStubCompareCondition(JSOp fused)
{
return fused == JSOP_IFEQ ? Assembler::Zero : Assembler::NonZero;
}
/* Fast builtins. */
JSObject *pushedSingleton(unsigned pushed);
CompileStatus inlineNativeFunction(uint32_t argc, bool callingNew);
CompileStatus inlineScriptedFunction(uint32_t argc, bool callingNew);
CompileStatus compileMathAbsInt(FrameEntry *arg);
CompileStatus compileMathAbsDouble(FrameEntry *arg);
CompileStatus compileMathSqrt(FrameEntry *arg);
CompileStatus compileMathMinMaxDouble(FrameEntry *arg1, FrameEntry *arg2,
Assembler::DoubleCondition cond);
CompileStatus compileMathMinMaxInt(FrameEntry *arg1, FrameEntry *arg2,
Assembler::Condition cond);
CompileStatus compileMathPowSimple(FrameEntry *arg1, FrameEntry *arg2);
CompileStatus compileArrayPush(FrameEntry *thisv, FrameEntry *arg);
CompileStatus compileArrayConcat(types::TypeSet *thisTypes, types::TypeSet *argTypes,
FrameEntry *thisValue, FrameEntry *argValue);
CompileStatus compileArrayPopShift(FrameEntry *thisv, bool isPacked, bool isArrayPop);
CompileStatus compileArrayWithLength(uint32_t argc);
CompileStatus compileArrayWithArgs(uint32_t argc);
enum RoundingMode { Floor, Round };
CompileStatus compileRound(FrameEntry *arg, RoundingMode mode);
enum GetCharMode { GetChar, GetCharCode };
CompileStatus compileGetChar(FrameEntry *thisValue, FrameEntry *arg, GetCharMode mode);
CompileStatus compileStringFromCode(FrameEntry *arg);
CompileStatus compileParseInt(JSValueType argType, uint32_t argc);
void prepareStubCall(Uses uses);
Call emitStubCall(void *ptr, DataLabelPtr *pinline);
};
// Given a stub call, emits the call into the inline assembly path. rejoin
// indicates how to rejoin should this call trigger expansion/discarding.
#define INLINE_STUBCALL(stub, rejoin) \
inlineStubCall(JS_FUNC_TO_DATA_PTR(void *, (stub)), rejoin, Uses(0))
#define INLINE_STUBCALL_USES(stub, rejoin, uses) \
inlineStubCall(JS_FUNC_TO_DATA_PTR(void *, (stub)), rejoin, uses)
// Given a stub call, emits the call into the out-of-line assembly path.
// Unlike the INLINE_STUBCALL variant, this returns the Call offset.
#define OOL_STUBCALL(stub, rejoin) \
stubcc.emitStubCall(JS_FUNC_TO_DATA_PTR(void *, (stub)), rejoin, Uses(0))
#define OOL_STUBCALL_USES(stub, rejoin, uses) \
stubcc.emitStubCall(JS_FUNC_TO_DATA_PTR(void *, (stub)), rejoin, uses)
// Same as OOL_STUBCALL, but specifies a slot depth.
#define OOL_STUBCALL_LOCAL_SLOTS(stub, rejoin, slots) \
stubcc.emitStubCall(JS_FUNC_TO_DATA_PTR(void *, (stub)), rejoin, Uses(0), (slots))
} /* namespace js */
} /* namespace mjit */
#endif
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