1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit/Lowering.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,266 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef jit_Lowering_h
1.11 +#define jit_Lowering_h
1.12 +
1.13 +// This file declares the structures that are used for attaching LIR to a
1.14 +// MIRGraph.
1.15 +
1.16 +#include "jit/LIR.h"
1.17 +#if defined(JS_CODEGEN_X86)
1.18 +# include "jit/x86/Lowering-x86.h"
1.19 +#elif defined(JS_CODEGEN_X64)
1.20 +# include "jit/x64/Lowering-x64.h"
1.21 +#elif defined(JS_CODEGEN_ARM)
1.22 +# include "jit/arm/Lowering-arm.h"
1.23 +#elif defined(JS_CODEGEN_MIPS)
1.24 +# include "jit/mips/Lowering-mips.h"
1.25 +#else
1.26 +# error "Unknown architecture!"
1.27 +#endif
1.28 +
1.29 +namespace js {
1.30 +namespace jit {
1.31 +
1.32 +class LIRGenerator : public LIRGeneratorSpecific
1.33 +{
1.34 + void updateResumeState(MInstruction *ins);
1.35 + void updateResumeState(MBasicBlock *block);
1.36 +
1.37 + // The maximum depth, for framesizeclass determination.
1.38 + uint32_t maxargslots_;
1.39 +
1.40 + public:
1.41 + LIRGenerator(MIRGenerator *gen, MIRGraph &graph, LIRGraph &lirGraph)
1.42 + : LIRGeneratorSpecific(gen, graph, lirGraph),
1.43 + maxargslots_(0)
1.44 + { }
1.45 +
1.46 + bool generate();
1.47 +
1.48 + private:
1.49 +
1.50 + bool useBoxAtStart(LInstruction *lir, size_t n, MDefinition *mir,
1.51 + LUse::Policy policy = LUse::REGISTER) {
1.52 + return useBox(lir, n, mir, policy, true);
1.53 + }
1.54 +
1.55 + bool lowerBitOp(JSOp op, MInstruction *ins);
1.56 + bool lowerShiftOp(JSOp op, MShiftInstruction *ins);
1.57 + bool lowerBinaryV(JSOp op, MBinaryInstruction *ins);
1.58 + bool precreatePhi(LBlock *block, MPhi *phi);
1.59 + bool definePhis();
1.60 +
1.61 + bool lowerCallArguments(MCall *call);
1.62 +
1.63 + public:
1.64 + bool visitInstruction(MInstruction *ins);
1.65 + bool visitBlock(MBasicBlock *block);
1.66 +
1.67 + // Visitor hooks are explicit, to give CPU-specific versions a chance to
1.68 + // intercept without a bunch of explicit gunk in the .cpp.
1.69 + bool visitCloneLiteral(MCloneLiteral *ins);
1.70 + bool visitParameter(MParameter *param);
1.71 + bool visitCallee(MCallee *callee);
1.72 + bool visitGoto(MGoto *ins);
1.73 + bool visitTableSwitch(MTableSwitch *tableswitch);
1.74 + bool visitNewSlots(MNewSlots *ins);
1.75 + bool visitNewArray(MNewArray *ins);
1.76 + bool visitNewObject(MNewObject *ins);
1.77 + bool visitNewDeclEnvObject(MNewDeclEnvObject *ins);
1.78 + bool visitNewCallObject(MNewCallObject *ins);
1.79 + bool visitNewRunOnceCallObject(MNewRunOnceCallObject *ins);
1.80 + bool visitNewStringObject(MNewStringObject *ins);
1.81 + bool visitNewDerivedTypedObject(MNewDerivedTypedObject *ins);
1.82 + bool visitNewPar(MNewPar *ins);
1.83 + bool visitNewCallObjectPar(MNewCallObjectPar *ins);
1.84 + bool visitNewDenseArrayPar(MNewDenseArrayPar *ins);
1.85 + bool visitAbortPar(MAbortPar *ins);
1.86 + bool visitInitElem(MInitElem *ins);
1.87 + bool visitInitElemGetterSetter(MInitElemGetterSetter *ins);
1.88 + bool visitMutateProto(MMutateProto *ins);
1.89 + bool visitInitProp(MInitProp *ins);
1.90 + bool visitInitPropGetterSetter(MInitPropGetterSetter *ins);
1.91 + bool visitCheckOverRecursed(MCheckOverRecursed *ins);
1.92 + bool visitCheckOverRecursedPar(MCheckOverRecursedPar *ins);
1.93 + bool visitDefVar(MDefVar *ins);
1.94 + bool visitDefFun(MDefFun *ins);
1.95 + bool visitCreateThisWithTemplate(MCreateThisWithTemplate *ins);
1.96 + bool visitCreateThisWithProto(MCreateThisWithProto *ins);
1.97 + bool visitCreateThis(MCreateThis *ins);
1.98 + bool visitCreateArgumentsObject(MCreateArgumentsObject *ins);
1.99 + bool visitGetArgumentsObjectArg(MGetArgumentsObjectArg *ins);
1.100 + bool visitSetArgumentsObjectArg(MSetArgumentsObjectArg *ins);
1.101 + bool visitReturnFromCtor(MReturnFromCtor *ins);
1.102 + bool visitComputeThis(MComputeThis *ins);
1.103 + bool visitLoadArrowThis(MLoadArrowThis *ins);
1.104 + bool visitCall(MCall *call);
1.105 + bool visitApplyArgs(MApplyArgs *apply);
1.106 + bool visitArraySplice(MArraySplice *splice);
1.107 + bool visitBail(MBail *bail);
1.108 + bool visitAssertFloat32(MAssertFloat32 *ins);
1.109 + bool visitGetDynamicName(MGetDynamicName *ins);
1.110 + bool visitFilterArgumentsOrEval(MFilterArgumentsOrEval *ins);
1.111 + bool visitCallDirectEval(MCallDirectEval *ins);
1.112 + bool visitTest(MTest *test);
1.113 + bool visitFunctionDispatch(MFunctionDispatch *ins);
1.114 + bool visitTypeObjectDispatch(MTypeObjectDispatch *ins);
1.115 + bool visitCompare(MCompare *comp);
1.116 + bool visitTypeOf(MTypeOf *ins);
1.117 + bool visitToId(MToId *ins);
1.118 + bool visitBitNot(MBitNot *ins);
1.119 + bool visitBitAnd(MBitAnd *ins);
1.120 + bool visitBitOr(MBitOr *ins);
1.121 + bool visitBitXor(MBitXor *ins);
1.122 + bool visitLsh(MLsh *ins);
1.123 + bool visitRsh(MRsh *ins);
1.124 + bool visitUrsh(MUrsh *ins);
1.125 + bool visitFloor(MFloor *ins);
1.126 + bool visitRound(MRound *ins);
1.127 + bool visitMinMax(MMinMax *ins);
1.128 + bool visitAbs(MAbs *ins);
1.129 + bool visitSqrt(MSqrt *ins);
1.130 + bool visitAtan2(MAtan2 *ins);
1.131 + bool visitHypot(MHypot *ins);
1.132 + bool visitPow(MPow *ins);
1.133 + bool visitRandom(MRandom *ins);
1.134 + bool visitMathFunction(MMathFunction *ins);
1.135 + bool visitAdd(MAdd *ins);
1.136 + bool visitSub(MSub *ins);
1.137 + bool visitMul(MMul *ins);
1.138 + bool visitDiv(MDiv *ins);
1.139 + bool visitMod(MMod *ins);
1.140 + bool visitConcat(MConcat *ins);
1.141 + bool visitConcatPar(MConcatPar *ins);
1.142 + bool visitCharCodeAt(MCharCodeAt *ins);
1.143 + bool visitFromCharCode(MFromCharCode *ins);
1.144 + bool visitStringSplit(MStringSplit *ins);
1.145 + bool visitStart(MStart *start);
1.146 + bool visitOsrEntry(MOsrEntry *entry);
1.147 + bool visitNop(MNop *nop);
1.148 + bool visitOsrValue(MOsrValue *value);
1.149 + bool visitOsrScopeChain(MOsrScopeChain *object);
1.150 + bool visitOsrReturnValue(MOsrReturnValue *value);
1.151 + bool visitOsrArgumentsObject(MOsrArgumentsObject *object);
1.152 + bool visitToDouble(MToDouble *convert);
1.153 + bool visitToFloat32(MToFloat32 *convert);
1.154 + bool visitToInt32(MToInt32 *convert);
1.155 + bool visitTruncateToInt32(MTruncateToInt32 *truncate);
1.156 + bool visitToString(MToString *convert);
1.157 + bool visitRegExp(MRegExp *ins);
1.158 + bool visitRegExpExec(MRegExpExec *ins);
1.159 + bool visitRegExpTest(MRegExpTest *ins);
1.160 + bool visitRegExpReplace(MRegExpReplace *ins);
1.161 + bool visitStringReplace(MStringReplace *ins);
1.162 + bool visitLambda(MLambda *ins);
1.163 + bool visitLambdaArrow(MLambdaArrow *ins);
1.164 + bool visitLambdaPar(MLambdaPar *ins);
1.165 + bool visitImplicitThis(MImplicitThis *ins);
1.166 + bool visitSlots(MSlots *ins);
1.167 + bool visitElements(MElements *ins);
1.168 + bool visitConstantElements(MConstantElements *ins);
1.169 + bool visitConvertElementsToDoubles(MConvertElementsToDoubles *ins);
1.170 + bool visitMaybeToDoubleElement(MMaybeToDoubleElement *ins);
1.171 + bool visitLoadSlot(MLoadSlot *ins);
1.172 + bool visitFunctionEnvironment(MFunctionEnvironment *ins);
1.173 + bool visitForkJoinContext(MForkJoinContext *ins);
1.174 + bool visitGuardThreadExclusive(MGuardThreadExclusive *ins);
1.175 + bool visitInterruptCheck(MInterruptCheck *ins);
1.176 + bool visitInterruptCheckPar(MInterruptCheckPar *ins);
1.177 + bool visitStoreSlot(MStoreSlot *ins);
1.178 + bool visitFilterTypeSet(MFilterTypeSet *ins);
1.179 + bool visitTypeBarrier(MTypeBarrier *ins);
1.180 + bool visitMonitorTypes(MMonitorTypes *ins);
1.181 + bool visitPostWriteBarrier(MPostWriteBarrier *ins);
1.182 + bool visitArrayLength(MArrayLength *ins);
1.183 + bool visitSetArrayLength(MSetArrayLength *ins);
1.184 + bool visitTypedArrayLength(MTypedArrayLength *ins);
1.185 + bool visitTypedArrayElements(MTypedArrayElements *ins);
1.186 + bool visitNeuterCheck(MNeuterCheck *lir);
1.187 + bool visitTypedObjectElements(MTypedObjectElements *ins);
1.188 + bool visitSetTypedObjectOffset(MSetTypedObjectOffset *ins);
1.189 + bool visitInitializedLength(MInitializedLength *ins);
1.190 + bool visitSetInitializedLength(MSetInitializedLength *ins);
1.191 + bool visitNot(MNot *ins);
1.192 + bool visitBoundsCheck(MBoundsCheck *ins);
1.193 + bool visitBoundsCheckLower(MBoundsCheckLower *ins);
1.194 + bool visitLoadElement(MLoadElement *ins);
1.195 + bool visitLoadElementHole(MLoadElementHole *ins);
1.196 + bool visitStoreElement(MStoreElement *ins);
1.197 + bool visitStoreElementHole(MStoreElementHole *ins);
1.198 + bool visitEffectiveAddress(MEffectiveAddress *ins);
1.199 + bool visitArrayPopShift(MArrayPopShift *ins);
1.200 + bool visitArrayPush(MArrayPush *ins);
1.201 + bool visitArrayConcat(MArrayConcat *ins);
1.202 + bool visitLoadTypedArrayElement(MLoadTypedArrayElement *ins);
1.203 + bool visitLoadTypedArrayElementHole(MLoadTypedArrayElementHole *ins);
1.204 + bool visitLoadTypedArrayElementStatic(MLoadTypedArrayElementStatic *ins);
1.205 + bool visitStoreTypedArrayElement(MStoreTypedArrayElement *ins);
1.206 + bool visitStoreTypedArrayElementHole(MStoreTypedArrayElementHole *ins);
1.207 + bool visitClampToUint8(MClampToUint8 *ins);
1.208 + bool visitLoadFixedSlot(MLoadFixedSlot *ins);
1.209 + bool visitStoreFixedSlot(MStoreFixedSlot *ins);
1.210 + bool visitGetPropertyCache(MGetPropertyCache *ins);
1.211 + bool visitGetPropertyPolymorphic(MGetPropertyPolymorphic *ins);
1.212 + bool visitSetPropertyPolymorphic(MSetPropertyPolymorphic *ins);
1.213 + bool visitGetElementCache(MGetElementCache *ins);
1.214 + bool visitBindNameCache(MBindNameCache *ins);
1.215 + bool visitGuardObjectIdentity(MGuardObjectIdentity *ins);
1.216 + bool visitGuardClass(MGuardClass *ins);
1.217 + bool visitGuardObject(MGuardObject *ins);
1.218 + bool visitGuardString(MGuardString *ins);
1.219 + bool visitAssertRange(MAssertRange *ins);
1.220 + bool visitCallGetProperty(MCallGetProperty *ins);
1.221 + bool visitDeleteProperty(MDeleteProperty *ins);
1.222 + bool visitDeleteElement(MDeleteElement *ins);
1.223 + bool visitGetNameCache(MGetNameCache *ins);
1.224 + bool visitCallGetIntrinsicValue(MCallGetIntrinsicValue *ins);
1.225 + bool visitCallsiteCloneCache(MCallsiteCloneCache *ins);
1.226 + bool visitCallGetElement(MCallGetElement *ins);
1.227 + bool visitCallSetElement(MCallSetElement *ins);
1.228 + bool visitCallInitElementArray(MCallInitElementArray *ins);
1.229 + bool visitSetPropertyCache(MSetPropertyCache *ins);
1.230 + bool visitSetElementCache(MSetElementCache *ins);
1.231 + bool visitCallSetProperty(MCallSetProperty *ins);
1.232 + bool visitIteratorStart(MIteratorStart *ins);
1.233 + bool visitIteratorNext(MIteratorNext *ins);
1.234 + bool visitIteratorMore(MIteratorMore *ins);
1.235 + bool visitIteratorEnd(MIteratorEnd *ins);
1.236 + bool visitStringLength(MStringLength *ins);
1.237 + bool visitArgumentsLength(MArgumentsLength *ins);
1.238 + bool visitGetFrameArgument(MGetFrameArgument *ins);
1.239 + bool visitSetFrameArgument(MSetFrameArgument *ins);
1.240 + bool visitRunOncePrologue(MRunOncePrologue *ins);
1.241 + bool visitRest(MRest *ins);
1.242 + bool visitRestPar(MRestPar *ins);
1.243 + bool visitThrow(MThrow *ins);
1.244 + bool visitIn(MIn *ins);
1.245 + bool visitInArray(MInArray *ins);
1.246 + bool visitInstanceOf(MInstanceOf *ins);
1.247 + bool visitCallInstanceOf(MCallInstanceOf *ins);
1.248 + bool visitProfilerStackOp(MProfilerStackOp *ins);
1.249 + bool visitIsCallable(MIsCallable *ins);
1.250 + bool visitHaveSameClass(MHaveSameClass *ins);
1.251 + bool visitHasClass(MHasClass *ins);
1.252 + bool visitAsmJSLoadGlobalVar(MAsmJSLoadGlobalVar *ins);
1.253 + bool visitAsmJSStoreGlobalVar(MAsmJSStoreGlobalVar *ins);
1.254 + bool visitAsmJSLoadFFIFunc(MAsmJSLoadFFIFunc *ins);
1.255 + bool visitAsmJSParameter(MAsmJSParameter *ins);
1.256 + bool visitAsmJSReturn(MAsmJSReturn *ins);
1.257 + bool visitAsmJSVoidReturn(MAsmJSVoidReturn *ins);
1.258 + bool visitAsmJSPassStackArg(MAsmJSPassStackArg *ins);
1.259 + bool visitAsmJSCall(MAsmJSCall *ins);
1.260 + bool visitSetDOMProperty(MSetDOMProperty *ins);
1.261 + bool visitGetDOMProperty(MGetDOMProperty *ins);
1.262 + bool visitGetDOMMember(MGetDOMMember *ins);
1.263 + bool visitRecompileCheck(MRecompileCheck *ins);
1.264 +};
1.265 +
1.266 +} // namespace jit
1.267 +} // namespace js
1.268 +
1.269 +#endif /* jit_Lowering_h */
