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, |
- 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, |
CodeStubInterfaceDescriptor* descriptor) { |
@@ -3101,59 +3088,106 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) { |
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. |
- __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE); |
- __ b(ne, &slow); |
+ // Goto slow case if we do not have a function. |
+ __ 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)); |
+ __ ldr(r3, FieldMemOperand(r2, SharedFunctionInfo::kCompilerHintsOffset)); |
+ __ tst(r3, Operand(1 << (SharedFunctionInfo::kStrictModeFunction + |
+ kSmiTagSize))); |
+ __ b(ne, &cont); |
+ |
+ // Do not transform the receiver for native (Compilerhints already in r3). |
+ __ 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()), |
- masm->isolate()->heap()->undefined_value()); |
- __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); |
- __ str(ip, FieldMemOperand(r2, Cell::kValueOffset)); |
+ // Compute the receiver in non-strict mode. |
+ __ ldr(r2, MemOperand(sp, argc_ * kPointerSize)); |
+ |
+ if (NeedsChecks()) { |
+ // r0: actual number of arguments |
+ // r1: function |
+ // r2: first argument |
+ __ JumpIfSmi(r2, &wrap); |
+ __ CompareObjectType(r2, r3, r3, FIRST_SPEC_OBJECT_TYPE); |
+ __ b(lt, &wrap); |
+ } else { |
+ __ jmp(&wrap); |
+ } |
+ |
+ __ bind(&cont); |
} |
- // 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); |
+ __ 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); |