| Index: src/arm/code-stubs-arm.cc
|
| diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
|
| index fc8a39a61f175947062e2f16b5343d53e1f42aa3..3a068c8cc8883eddffe97a1904cd1c43a9247231 100644
|
| --- a/src/arm/code-stubs-arm.cc
|
| +++ b/src/arm/code-stubs-arm.cc
|
| @@ -165,19 +165,6 @@ void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
|
| }
|
|
|
|
|
| -void KeyedArrayCallStub::InitializeInterfaceDescriptor(
|
| - Isolate* isolate,
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| - CodeStubInterfaceDescriptor* descriptor) {
|
| - static Register registers[] = { r2 };
|
| - descriptor->register_param_count_ = 1;
|
| - descriptor->register_params_ = registers;
|
| - descriptor->continuation_type_ = TAIL_CALL_CONTINUATION;
|
| - descriptor->handler_arguments_mode_ = PASS_ARGUMENTS;
|
| - descriptor->deoptimization_handler_ =
|
| - FUNCTION_ADDR(KeyedCallIC_MissFromStubFailure);
|
| -}
|
| -
|
| -
|
| void KeyedStoreFastElementStub::InitializeInterfaceDescriptor(
|
| Isolate* isolate,
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| CodeStubInterfaceDescriptor* descriptor) {
|
| @@ -3101,59 +3088,106 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) {
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| void CallFunctionStub::Generate(MacroAssembler* masm) {
|
| // r1 : the function to call
|
| // r2 : cache cell for call target
|
| - Label slow, non_function;
|
| + Label slow, non_function, wrap, cont;
|
|
|
| - // Check that the function is really a JavaScript function.
|
| - // r1: pushed function (to be verified)
|
| - __ JumpIfSmi(r1, &non_function);
|
| + if (NeedsChecks()) {
|
| + // Check that the function is really a JavaScript function.
|
| + // r1: pushed function (to be verified)
|
| + __ JumpIfSmi(r1, &non_function);
|
|
|
| - // Goto slow case if we do not have a function.
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| - __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
|
| - __ b(ne, &slow);
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| + // Goto slow case if we do not have a function.
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| + __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE);
|
| + __ b(ne, &slow);
|
|
|
| - if (RecordCallTarget()) {
|
| - GenerateRecordCallTarget(masm);
|
| + if (RecordCallTarget()) {
|
| + GenerateRecordCallTarget(masm);
|
| + }
|
| }
|
|
|
| // Fast-case: Invoke the function now.
|
| // r1: pushed function
|
| ParameterCount actual(argc_);
|
|
|
| - __ InvokeFunction(r1, actual, JUMP_FUNCTION, NullCallWrapper());
|
| + if (CallAsMethod()) {
|
| + if (NeedsChecks()) {
|
| + // Do not transform the receiver for strict mode functions.
|
| + __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
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| + __ ldr(r3, FieldMemOperand(r2, SharedFunctionInfo::kCompilerHintsOffset));
|
| + __ tst(r3, Operand(1 << (SharedFunctionInfo::kStrictModeFunction +
|
| + kSmiTagSize)));
|
| + __ b(ne, &cont);
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| +
|
| + // Do not transform the receiver for native (Compilerhints already in r3).
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| + __ tst(r3, Operand(1 << (SharedFunctionInfo::kNative + kSmiTagSize)));
|
| + __ b(ne, &cont);
|
| + }
|
|
|
| - // Slow-case: Non-function called.
|
| - __ bind(&slow);
|
| - if (RecordCallTarget()) {
|
| - // If there is a call target cache, mark it megamorphic in the
|
| - // non-function case. MegamorphicSentinel is an immortal immovable
|
| - // object (undefined) so no write barrier is needed.
|
| - ASSERT_EQ(*TypeFeedbackCells::MegamorphicSentinel(masm->isolate()),
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| - masm->isolate()->heap()->undefined_value());
|
| - __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
|
| - __ str(ip, FieldMemOperand(r2, Cell::kValueOffset));
|
| + // Compute the receiver in non-strict mode.
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| + __ ldr(r2, MemOperand(sp, argc_ * kPointerSize));
|
| +
|
| + if (NeedsChecks()) {
|
| + // r0: actual number of arguments
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| + // r1: function
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| + // r2: first argument
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| + __ JumpIfSmi(r2, &wrap);
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| + __ CompareObjectType(r2, r3, r3, FIRST_SPEC_OBJECT_TYPE);
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| + __ b(lt, &wrap);
|
| + } else {
|
| + __ jmp(&wrap);
|
| + }
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| +
|
| + __ bind(&cont);
|
| }
|
| - // Check for function proxy.
|
| - __ cmp(r3, Operand(JS_FUNCTION_PROXY_TYPE));
|
| - __ b(ne, &non_function);
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| - __ push(r1); // put proxy as additional argument
|
| - __ mov(r0, Operand(argc_ + 1, RelocInfo::NONE32));
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| - __ mov(r2, Operand::Zero());
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| - __ GetBuiltinFunction(r1, Builtins::CALL_FUNCTION_PROXY);
|
| - {
|
| - Handle<Code> adaptor =
|
| - masm->isolate()->builtins()->ArgumentsAdaptorTrampoline();
|
| - __ Jump(adaptor, RelocInfo::CODE_TARGET);
|
| + __ InvokeFunction(r1, actual, JUMP_FUNCTION, NullCallWrapper());
|
| +
|
| + if (NeedsChecks()) {
|
| + // Slow-case: Non-function called.
|
| + __ bind(&slow);
|
| + if (RecordCallTarget()) {
|
| + // If there is a call target cache, mark it megamorphic in the
|
| + // non-function case. MegamorphicSentinel is an immortal immovable
|
| + // object (undefined) so no write barrier is needed.
|
| + ASSERT_EQ(*TypeFeedbackCells::MegamorphicSentinel(masm->isolate()),
|
| + masm->isolate()->heap()->undefined_value());
|
| + __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
|
| + __ str(ip, FieldMemOperand(r2, Cell::kValueOffset));
|
| + }
|
| + // Check for function proxy.
|
| + __ cmp(r3, Operand(JS_FUNCTION_PROXY_TYPE));
|
| + __ b(ne, &non_function);
|
| + __ push(r1); // put proxy as additional argument
|
| + __ mov(r0, Operand(argc_ + 1, RelocInfo::NONE32));
|
| + __ mov(r2, Operand::Zero());
|
| + __ GetBuiltinFunction(r1, Builtins::CALL_FUNCTION_PROXY);
|
| + {
|
| + Handle<Code> adaptor =
|
| + masm->isolate()->builtins()->ArgumentsAdaptorTrampoline();
|
| + __ Jump(adaptor, RelocInfo::CODE_TARGET);
|
| + }
|
| +
|
| + // CALL_NON_FUNCTION expects the non-function callee as receiver (instead
|
| + // of the original receiver from the call site).
|
| + __ bind(&non_function);
|
| + __ str(r1, MemOperand(sp, argc_ * kPointerSize));
|
| + __ mov(r0, Operand(argc_)); // Set up the number of arguments.
|
| + __ mov(r2, Operand::Zero());
|
| + __ GetBuiltinFunction(r1, Builtins::CALL_NON_FUNCTION);
|
| + __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
|
| + RelocInfo::CODE_TARGET);
|
| }
|
|
|
| - // CALL_NON_FUNCTION expects the non-function callee as receiver (instead
|
| - // of the original receiver from the call site).
|
| - __ bind(&non_function);
|
| - __ str(r1, MemOperand(sp, argc_ * kPointerSize));
|
| - __ mov(r0, Operand(argc_)); // Set up the number of arguments.
|
| - __ mov(r2, Operand::Zero());
|
| - __ GetBuiltinFunction(r1, Builtins::CALL_NON_FUNCTION);
|
| - __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
|
| - RelocInfo::CODE_TARGET);
|
| + if (CallAsMethod()) {
|
| + __ bind(&wrap);
|
| + // Wrap the receiver and patch it back onto the stack.
|
| + { FrameScope frame_scope(masm, StackFrame::INTERNAL);
|
| + __ push(r1);
|
| + __ push(r2);
|
| + __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION);
|
| + __ pop(r1);
|
| + }
|
| + __ str(r0, MemOperand(sp, argc_ * kPointerSize));
|
| + __ jmp(&cont);
|
| + }
|
| }
|
|
|
|
|
| @@ -5007,23 +5041,6 @@ void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
|
| }
|
|
|
|
|
| -void StubFailureTailCallTrampolineStub::Generate(MacroAssembler* masm) {
|
| - CEntryStub ces(1, fp_registers_ ? kSaveFPRegs : kDontSaveFPRegs);
|
| - __ Call(ces.GetCode(masm->isolate()), RelocInfo::CODE_TARGET);
|
| - __ mov(r1, r0);
|
| - int parameter_count_offset =
|
| - StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset;
|
| - __ ldr(r0, MemOperand(fp, parameter_count_offset));
|
| - // The parameter count above includes the receiver for the arguments passed to
|
| - // the deoptimization handler. Subtract the receiver for the parameter count
|
| - // for the call.
|
| - __ sub(r0, r0, Operand(1));
|
| - masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
|
| - ParameterCount argument_count(r0);
|
| - __ InvokeFunction(r1, argument_count, JUMP_FUNCTION, NullCallWrapper());
|
| -}
|
| -
|
| -
|
| void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) {
|
| if (masm->isolate()->function_entry_hook() != NULL) {
|
| PredictableCodeSizeScope predictable(masm, 4 * Assembler::kInstrSize);
|
|
|