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author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-06-23 19:41:16 +0000 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-06-23 19:41:16 +0000 |
commit | 6cebf2549e9c7b9eea978332e58b55589da6274f (patch) | |
tree | e4686e4fd9ff9fc6e07b37ac35e1d72fa1026a6a /js/src/jit/BaselineIC.cpp | |
parent | 5f45e2222ef7521a9debe652824d587aaff4ca66 (diff) | |
download | UXP-6cebf2549e9c7b9eea978332e58b55589da6274f.tar UXP-6cebf2549e9c7b9eea978332e58b55589da6274f.tar.gz UXP-6cebf2549e9c7b9eea978332e58b55589da6274f.tar.lz UXP-6cebf2549e9c7b9eea978332e58b55589da6274f.tar.xz UXP-6cebf2549e9c7b9eea978332e58b55589da6274f.zip |
Remove Unboxed Object code from jit, Part 2.
Diffstat (limited to 'js/src/jit/BaselineIC.cpp')
-rw-r--r-- | js/src/jit/BaselineIC.cpp | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/js/src/jit/BaselineIC.cpp b/js/src/jit/BaselineIC.cpp index 64cdf01a6..ba855dac9 100644 --- a/js/src/jit/BaselineIC.cpp +++ b/js/src/jit/BaselineIC.cpp @@ -1920,13 +1920,6 @@ ICGetElemNativeCompiler<T>::generateStubCode(MacroAssembler& masm) if (popR1) masm.addToStackPtr(ImmWord(sizeof(size_t))); - } else if (acctype_ == ICGetElemNativeStub::UnboxedProperty) { - masm.load32(Address(ICStubReg, ICGetElemNativeSlotStub<T>::offsetOfOffset()), - scratchReg); - masm.loadUnboxedProperty(BaseIndex(objReg, scratchReg, TimesOne), unboxedType_, - TypedOrValueRegister(R0)); - if (popR1) - masm.addToStackPtr(ImmWord(sizeof(size_t))); } else { MOZ_ASSERT(acctype_ == ICGetElemNativeStub::NativeGetter || acctype_ == ICGetElemNativeStub::ScriptedGetter); @@ -4293,40 +4286,6 @@ TryAttachSetAccessorPropStub(JSContext* cx, HandleScript script, jsbytecode* pc, } static bool -TryAttachUnboxedSetPropStub(JSContext* cx, HandleScript script, - ICSetProp_Fallback* stub, HandleId id, - HandleObject obj, HandleValue rhs, bool* attached) -{ - MOZ_ASSERT(!*attached); - - if (!cx->runtime()->jitSupportsFloatingPoint) - return true; - - if (!obj->is<UnboxedPlainObject>()) - return true; - - const UnboxedLayout::Property* property = obj->as<UnboxedPlainObject>().layout().lookup(id); - if (!property) - return true; - - ICSetProp_Unboxed::Compiler compiler(cx, obj->group(), - property->offset + UnboxedPlainObject::offsetOfData(), - property->type); - ICUpdatedStub* newStub = compiler.getStub(compiler.getStubSpace(script)); - if (!newStub) - return false; - if (compiler.needsUpdateStubs() && !newStub->addUpdateStubForValue(cx, script, obj, id, rhs)) - return false; - - stub->addNewStub(newStub); - - StripPreliminaryObjectStubs(cx, stub); - - *attached = true; - return true; -} - -static bool TryAttachTypedObjectSetPropStub(JSContext* cx, HandleScript script, ICSetProp_Fallback* stub, HandleId id, HandleObject obj, HandleValue rhs, bool* attached) @@ -4487,15 +4446,6 @@ DoSetPropFallback(JSContext* cx, BaselineFrame* frame, ICSetProp_Fallback* stub_ if (!attached && lhs.isObject() && - !TryAttachUnboxedSetPropStub(cx, script, stub, id, obj, rhs, &attached)) - { - return false; - } - if (attached) - return true; - - if (!attached && - lhs.isObject() && !TryAttachTypedObjectSetPropStub(cx, script, stub, id, obj, rhs, &attached)) { return false; @@ -4829,70 +4779,6 @@ ICSetPropNativeAddCompiler::generateStubCode(MacroAssembler& masm) } bool -ICSetProp_Unboxed::Compiler::generateStubCode(MacroAssembler& masm) -{ - MOZ_ASSERT(engine_ == Engine::Baseline); - - Label failure; - - // Guard input is an object. - masm.branchTestObject(Assembler::NotEqual, R0, &failure); - - AllocatableGeneralRegisterSet regs(availableGeneralRegs(2)); - Register scratch = regs.takeAny(); - - // Unbox and group guard. - Register object = masm.extractObject(R0, ExtractTemp0); - masm.loadPtr(Address(ICStubReg, ICSetProp_Unboxed::offsetOfGroup()), scratch); - masm.branchPtr(Assembler::NotEqual, Address(object, JSObject::offsetOfGroup()), scratch, - &failure); - - if (needsUpdateStubs()) { - // Stow both R0 and R1 (object and value). - EmitStowICValues(masm, 2); - - // Move RHS into R0 for TypeUpdate check. - masm.moveValue(R1, R0); - - // Call the type update stub. - if (!callTypeUpdateIC(masm, sizeof(Value))) - return false; - - // Unstow R0 and R1 (object and key) - EmitUnstowICValues(masm, 2); - - // The TypeUpdate IC may have smashed object. Rederive it. - masm.unboxObject(R0, object); - - // Trigger post barriers here on the values being written. Fields which - // objects can be written to also need update stubs. - LiveGeneralRegisterSet saveRegs; - saveRegs.add(R0); - saveRegs.add(R1); - saveRegs.addUnchecked(object); - saveRegs.add(ICStubReg); - emitPostWriteBarrierSlot(masm, object, R1, scratch, saveRegs); - } - - // Compute the address being written to. - masm.load32(Address(ICStubReg, ICSetProp_Unboxed::offsetOfFieldOffset()), scratch); - BaseIndex address(object, scratch, TimesOne); - - EmitUnboxedPreBarrierForBaseline(masm, address, fieldType_); - masm.storeUnboxedProperty(address, fieldType_, - ConstantOrRegister(TypedOrValueRegister(R1)), &failure); - - // The RHS has to be in R0. - masm.moveValue(R1, R0); - - EmitReturnFromIC(masm); - - masm.bind(&failure); - EmitStubGuardFailure(masm); - return true; -} - -bool ICSetProp_TypedObject::Compiler::generateStubCode(MacroAssembler& masm) { MOZ_ASSERT(engine_ == Engine::Baseline); |