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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 175 } | 175 } |
| 176 #endif | 176 #endif |
| 177 | 177 |
| 178 // Classic mode functions and builtins need to replace the receiver with the | 178 // Classic mode functions and builtins need to replace the receiver with the |
| 179 // global proxy when called as functions (without an explicit receiver | 179 // global proxy when called as functions (without an explicit receiver |
| 180 // object). | 180 // object). |
| 181 if (info_->this_has_uses() && | 181 if (info_->this_has_uses() && |
| 182 info_->is_classic_mode() && | 182 info_->is_classic_mode() && |
| 183 !info_->is_native()) { | 183 !info_->is_native()) { |
| 184 Label ok; | 184 Label ok; |
| 185 __ test(ecx, ecx); | |
| 186 __ j(zero, &ok, Label::kNear); | |
| 187 | |
| 188 // +1 for return address. | 185 // +1 for return address. |
| 189 int receiver_offset = (scope()->num_parameters() + 1) * kPointerSize; | 186 int receiver_offset = (scope()->num_parameters() + 1) * kPointerSize; |
| 190 __ mov(ecx, Operand(esp, receiver_offset)); | 187 __ mov(ecx, Operand(esp, receiver_offset)); |
| 191 | 188 |
| 192 __ cmp(ecx, isolate()->factory()->undefined_value()); | 189 __ cmp(ecx, isolate()->factory()->undefined_value()); |
| 193 __ j(not_equal, &ok, Label::kNear); | 190 __ j(not_equal, &ok, Label::kNear); |
| 194 | 191 |
| 195 __ mov(ecx, GlobalObjectOperand()); | 192 __ mov(ecx, GlobalObjectOperand()); |
| 196 __ mov(ecx, FieldOperand(ecx, GlobalObject::kGlobalReceiverOffset)); | 193 __ mov(ecx, FieldOperand(ecx, GlobalObject::kGlobalReceiverOffset)); |
| 197 | 194 |
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| 3719 __ dec(length); | 3716 __ dec(length); |
| 3720 __ j(not_zero, &loop); | 3717 __ j(not_zero, &loop); |
| 3721 | 3718 |
| 3722 // Invoke the function. | 3719 // Invoke the function. |
| 3723 __ bind(&invoke); | 3720 __ bind(&invoke); |
| 3724 ASSERT(instr->HasPointerMap()); | 3721 ASSERT(instr->HasPointerMap()); |
| 3725 LPointerMap* pointers = instr->pointer_map(); | 3722 LPointerMap* pointers = instr->pointer_map(); |
| 3726 SafepointGenerator safepoint_generator( | 3723 SafepointGenerator safepoint_generator( |
| 3727 this, pointers, Safepoint::kLazyDeopt); | 3724 this, pointers, Safepoint::kLazyDeopt); |
| 3728 ParameterCount actual(eax); | 3725 ParameterCount actual(eax); |
| 3729 __ InvokeFunction(function, actual, CALL_FUNCTION, | 3726 __ InvokeFunction(function, actual, CALL_FUNCTION, safepoint_generator); |
| 3730 safepoint_generator, CALL_AS_FUNCTION); | |
| 3731 } | 3727 } |
| 3732 | 3728 |
| 3733 | 3729 |
| 3734 void LCodeGen::DoDebugBreak(LDebugBreak* instr) { | 3730 void LCodeGen::DoDebugBreak(LDebugBreak* instr) { |
| 3735 __ int3(); | 3731 __ int3(); |
| 3736 } | 3732 } |
| 3737 | 3733 |
| 3738 | 3734 |
| 3739 void LCodeGen::DoPushArgument(LPushArgument* instr) { | 3735 void LCodeGen::DoPushArgument(LPushArgument* instr) { |
| 3740 LOperand* argument = instr->value(); | 3736 LOperand* argument = instr->value(); |
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| 3793 Register global = ToRegister(instr->global()); | 3789 Register global = ToRegister(instr->global()); |
| 3794 Register result = ToRegister(instr->result()); | 3790 Register result = ToRegister(instr->result()); |
| 3795 __ mov(result, FieldOperand(global, GlobalObject::kGlobalReceiverOffset)); | 3791 __ mov(result, FieldOperand(global, GlobalObject::kGlobalReceiverOffset)); |
| 3796 } | 3792 } |
| 3797 | 3793 |
| 3798 | 3794 |
| 3799 void LCodeGen::CallKnownFunction(Handle<JSFunction> function, | 3795 void LCodeGen::CallKnownFunction(Handle<JSFunction> function, |
| 3800 int formal_parameter_count, | 3796 int formal_parameter_count, |
| 3801 int arity, | 3797 int arity, |
| 3802 LInstruction* instr, | 3798 LInstruction* instr, |
| 3803 CallKind call_kind, | |
| 3804 EDIState edi_state) { | 3799 EDIState edi_state) { |
| 3805 bool dont_adapt_arguments = | 3800 bool dont_adapt_arguments = |
| 3806 formal_parameter_count == SharedFunctionInfo::kDontAdaptArgumentsSentinel; | 3801 formal_parameter_count == SharedFunctionInfo::kDontAdaptArgumentsSentinel; |
| 3807 bool can_invoke_directly = | 3802 bool can_invoke_directly = |
| 3808 dont_adapt_arguments || formal_parameter_count == arity; | 3803 dont_adapt_arguments || formal_parameter_count == arity; |
| 3809 | 3804 |
| 3810 if (can_invoke_directly) { | 3805 if (can_invoke_directly) { |
| 3811 if (edi_state == EDI_UNINITIALIZED) { | 3806 if (edi_state == EDI_UNINITIALIZED) { |
| 3812 __ LoadHeapObject(edi, function); | 3807 __ LoadHeapObject(edi, function); |
| 3813 } | 3808 } |
| 3814 | 3809 |
| 3815 // Change context. | 3810 // Change context. |
| 3816 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); | 3811 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 3817 | 3812 |
| 3818 // Set eax to arguments count if adaption is not needed. Assumes that eax | 3813 // Set eax to arguments count if adaption is not needed. Assumes that eax |
| 3819 // is available to write to at this point. | 3814 // is available to write to at this point. |
| 3820 if (dont_adapt_arguments) { | 3815 if (dont_adapt_arguments) { |
| 3821 __ mov(eax, arity); | 3816 __ mov(eax, arity); |
| 3822 } | 3817 } |
| 3823 | 3818 |
| 3824 // Invoke function directly. | 3819 // Invoke function directly. |
| 3825 __ SetCallKind(ecx, call_kind); | |
| 3826 if (function.is_identical_to(info()->closure())) { | 3820 if (function.is_identical_to(info()->closure())) { |
| 3827 __ CallSelf(); | 3821 __ CallSelf(); |
| 3828 } else { | 3822 } else { |
| 3829 __ call(FieldOperand(edi, JSFunction::kCodeEntryOffset)); | 3823 __ call(FieldOperand(edi, JSFunction::kCodeEntryOffset)); |
| 3830 } | 3824 } |
| 3831 RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT); | 3825 RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT); |
| 3832 } else { | 3826 } else { |
| 3833 // We need to adapt arguments. | 3827 // We need to adapt arguments. |
| 3834 LPointerMap* pointers = instr->pointer_map(); | 3828 LPointerMap* pointers = instr->pointer_map(); |
| 3835 SafepointGenerator generator( | 3829 SafepointGenerator generator( |
| 3836 this, pointers, Safepoint::kLazyDeopt); | 3830 this, pointers, Safepoint::kLazyDeopt); |
| 3837 ParameterCount count(arity); | 3831 ParameterCount count(arity); |
| 3838 ParameterCount expected(formal_parameter_count); | 3832 ParameterCount expected(formal_parameter_count); |
| 3839 __ InvokeFunction( | 3833 __ InvokeFunction(function, expected, count, CALL_FUNCTION, generator); |
| 3840 function, expected, count, CALL_FUNCTION, generator, call_kind); | |
| 3841 } | 3834 } |
| 3842 } | 3835 } |
| 3843 | 3836 |
| 3844 | 3837 |
| 3845 void LCodeGen::DoCallConstantFunction(LCallConstantFunction* instr) { | 3838 void LCodeGen::DoCallConstantFunction(LCallConstantFunction* instr) { |
| 3846 ASSERT(ToRegister(instr->result()).is(eax)); | 3839 ASSERT(ToRegister(instr->result()).is(eax)); |
| 3847 CallKnownFunction(instr->hydrogen()->function(), | 3840 CallKnownFunction(instr->hydrogen()->function(), |
| 3848 instr->hydrogen()->formal_parameter_count(), | 3841 instr->hydrogen()->formal_parameter_count(), |
| 3849 instr->arity(), | 3842 instr->arity(), |
| 3850 instr, | 3843 instr, |
| 3851 CALL_AS_FUNCTION, | |
| 3852 EDI_UNINITIALIZED); | 3844 EDI_UNINITIALIZED); |
| 3853 } | 3845 } |
| 3854 | 3846 |
| 3855 | 3847 |
| 3856 void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr) { | 3848 void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr) { |
| 3857 Register input_reg = ToRegister(instr->value()); | 3849 Register input_reg = ToRegister(instr->value()); |
| 3858 __ cmp(FieldOperand(input_reg, HeapObject::kMapOffset), | 3850 __ cmp(FieldOperand(input_reg, HeapObject::kMapOffset), |
| 3859 factory()->heap_number_map()); | 3851 factory()->heap_number_map()); |
| 3860 DeoptimizeIf(not_equal, instr->environment()); | 3852 DeoptimizeIf(not_equal, instr->environment()); |
| 3861 | 3853 |
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| 4202 ASSERT(ToRegister(instr->context()).is(esi)); | 4194 ASSERT(ToRegister(instr->context()).is(esi)); |
| 4203 ASSERT(ToRegister(instr->function()).is(edi)); | 4195 ASSERT(ToRegister(instr->function()).is(edi)); |
| 4204 ASSERT(instr->HasPointerMap()); | 4196 ASSERT(instr->HasPointerMap()); |
| 4205 | 4197 |
| 4206 Handle<JSFunction> known_function = instr->hydrogen()->known_function(); | 4198 Handle<JSFunction> known_function = instr->hydrogen()->known_function(); |
| 4207 if (known_function.is_null()) { | 4199 if (known_function.is_null()) { |
| 4208 LPointerMap* pointers = instr->pointer_map(); | 4200 LPointerMap* pointers = instr->pointer_map(); |
| 4209 SafepointGenerator generator( | 4201 SafepointGenerator generator( |
| 4210 this, pointers, Safepoint::kLazyDeopt); | 4202 this, pointers, Safepoint::kLazyDeopt); |
| 4211 ParameterCount count(instr->arity()); | 4203 ParameterCount count(instr->arity()); |
| 4212 __ InvokeFunction(edi, count, CALL_FUNCTION, generator, CALL_AS_FUNCTION); | 4204 __ InvokeFunction(edi, count, CALL_FUNCTION, generator); |
| 4213 } else { | 4205 } else { |
| 4214 CallKnownFunction(known_function, | 4206 CallKnownFunction(known_function, |
| 4215 instr->hydrogen()->formal_parameter_count(), | 4207 instr->hydrogen()->formal_parameter_count(), |
| 4216 instr->arity(), | 4208 instr->arity(), |
| 4217 instr, | 4209 instr, |
| 4218 CALL_AS_FUNCTION, | |
| 4219 EDI_CONTAINS_TARGET); | 4210 EDI_CONTAINS_TARGET); |
| 4220 } | 4211 } |
| 4221 } | 4212 } |
| 4222 | 4213 |
| 4223 | 4214 |
| 4224 void LCodeGen::DoCallKeyed(LCallKeyed* instr) { | 4215 void LCodeGen::DoCallKeyed(LCallKeyed* instr) { |
| 4225 ASSERT(ToRegister(instr->context()).is(esi)); | 4216 ASSERT(ToRegister(instr->context()).is(esi)); |
| 4226 ASSERT(ToRegister(instr->key()).is(ecx)); | 4217 ASSERT(ToRegister(instr->key()).is(ecx)); |
| 4227 ASSERT(ToRegister(instr->result()).is(eax)); | 4218 ASSERT(ToRegister(instr->result()).is(eax)); |
| 4228 | 4219 |
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| 4272 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 4263 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
| 4273 } | 4264 } |
| 4274 | 4265 |
| 4275 | 4266 |
| 4276 void LCodeGen::DoCallKnownGlobal(LCallKnownGlobal* instr) { | 4267 void LCodeGen::DoCallKnownGlobal(LCallKnownGlobal* instr) { |
| 4277 ASSERT(ToRegister(instr->result()).is(eax)); | 4268 ASSERT(ToRegister(instr->result()).is(eax)); |
| 4278 CallKnownFunction(instr->hydrogen()->target(), | 4269 CallKnownFunction(instr->hydrogen()->target(), |
| 4279 instr->hydrogen()->formal_parameter_count(), | 4270 instr->hydrogen()->formal_parameter_count(), |
| 4280 instr->arity(), | 4271 instr->arity(), |
| 4281 instr, | 4272 instr, |
| 4282 CALL_AS_FUNCTION, | |
| 4283 EDI_UNINITIALIZED); | 4273 EDI_UNINITIALIZED); |
| 4284 } | 4274 } |
| 4285 | 4275 |
| 4286 | 4276 |
| 4287 void LCodeGen::DoCallNew(LCallNew* instr) { | 4277 void LCodeGen::DoCallNew(LCallNew* instr) { |
| 4288 ASSERT(ToRegister(instr->context()).is(esi)); | 4278 ASSERT(ToRegister(instr->context()).is(esi)); |
| 4289 ASSERT(ToRegister(instr->constructor()).is(edi)); | 4279 ASSERT(ToRegister(instr->constructor()).is(edi)); |
| 4290 ASSERT(ToRegister(instr->result()).is(eax)); | 4280 ASSERT(ToRegister(instr->result()).is(eax)); |
| 4291 | 4281 |
| 4292 // No cell in ebx for construct type feedback in optimized code | 4282 // No cell in ebx for construct type feedback in optimized code |
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| 6366 FixedArray::kHeaderSize - kPointerSize)); | 6356 FixedArray::kHeaderSize - kPointerSize)); |
| 6367 __ bind(&done); | 6357 __ bind(&done); |
| 6368 } | 6358 } |
| 6369 | 6359 |
| 6370 | 6360 |
| 6371 #undef __ | 6361 #undef __ |
| 6372 | 6362 |
| 6373 } } // namespace v8::internal | 6363 } } // namespace v8::internal |
| 6374 | 6364 |
| 6375 #endif // V8_TARGET_ARCH_IA32 | 6365 #endif // V8_TARGET_ARCH_IA32 |
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