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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #if V8_TARGET_ARCH_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
| 6 | 6 |
| 7 // Note on Mips implementation: | 7 // Note on Mips implementation: |
| 8 // | 8 // |
| 9 // The result_register() for mips is the 'v0' register, which is defined | 9 // The result_register() for mips is the 'v0' register, which is defined |
| 10 // by the ABI to contain function return values. However, the first | 10 // by the ABI to contain function return values. However, the first |
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| 4071 VisitForAccumulatorValue(args->at(1)); | 4071 VisitForAccumulatorValue(args->at(1)); |
| 4072 | 4072 |
| 4073 __ pop(a1); | 4073 __ pop(a1); |
| 4074 __ mov(a0, result_register()); // StringAddStub requires args in a0, a1. | 4074 __ mov(a0, result_register()); // StringAddStub requires args in a0, a1. |
| 4075 StringAddStub stub(isolate(), STRING_ADD_CHECK_BOTH, NOT_TENURED); | 4075 StringAddStub stub(isolate(), STRING_ADD_CHECK_BOTH, NOT_TENURED); |
| 4076 __ CallStub(&stub); | 4076 __ CallStub(&stub); |
| 4077 context()->Plug(v0); | 4077 context()->Plug(v0); |
| 4078 } | 4078 } |
| 4079 | 4079 |
| 4080 | 4080 |
| 4081 void FullCodeGenerator::EmitCall(CallRuntime* expr) { |
| 4082 ZoneList<Expression*>* args = expr->arguments(); |
| 4083 DCHECK_LE(2, args->length()); |
| 4084 // Push target, receiver and arguments onto the stack. |
| 4085 for (Expression* const arg : *args) { |
| 4086 VisitForStackValue(arg); |
| 4087 } |
| 4088 // Move target to a1. |
| 4089 int const argc = args->length() - 2; |
| 4090 __ lw(a1, MemOperand(sp, (argc + 1) * kPointerSize)); |
| 4091 // Call the target. |
| 4092 __ li(a0, Operand(argc)); |
| 4093 __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); |
| 4094 // Restore context register. |
| 4095 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 4096 // Discard the function left on TOS. |
| 4097 context()->DropAndPlug(1, v0); |
| 4098 } |
| 4099 |
| 4100 |
| 4081 void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) { | 4101 void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) { |
| 4082 ZoneList<Expression*>* args = expr->arguments(); | 4102 ZoneList<Expression*>* args = expr->arguments(); |
| 4083 DCHECK(args->length() >= 2); | 4103 DCHECK(args->length() >= 2); |
| 4084 | 4104 |
| 4085 int arg_count = args->length() - 2; // 2 ~ receiver and function. | 4105 int arg_count = args->length() - 2; // 2 ~ receiver and function. |
| 4086 for (int i = 0; i < arg_count + 1; i++) { | 4106 for (int i = 0; i < arg_count + 1; i++) { |
| 4087 VisitForStackValue(args->at(i)); | 4107 VisitForStackValue(args->at(i)); |
| 4088 } | 4108 } |
| 4089 VisitForAccumulatorValue(args->last()); // Function. | 4109 VisitForAccumulatorValue(args->last()); // Function. |
| 4090 | 4110 |
| 4091 Label runtime, done; | 4111 Label runtime, done; |
| 4092 // Check for non-function argument (including proxy). | 4112 // Check for non-function argument (including proxy). |
| 4093 __ JumpIfSmi(v0, &runtime); | 4113 __ JumpIfSmi(v0, &runtime); |
| 4094 __ GetObjectType(v0, a1, a1); | 4114 __ GetObjectType(v0, a1, a1); |
| 4095 __ Branch(&runtime, ne, a1, Operand(JS_FUNCTION_TYPE)); | 4115 __ Branch(&runtime, ne, a1, Operand(JS_FUNCTION_TYPE)); |
| 4096 | 4116 |
| 4097 // InvokeFunction requires the function in a1. Move it in there. | 4117 // InvokeFunction requires the function in a1. Move it in there. |
| 4098 __ mov(a1, result_register()); | 4118 __ mov(a1, result_register()); |
| 4099 ParameterCount count(arg_count); | 4119 ParameterCount count(arg_count); |
| 4100 __ InvokeFunction(a1, count, CALL_FUNCTION, NullCallWrapper()); | 4120 __ InvokeFunction(a1, count, CALL_FUNCTION, NullCallWrapper()); |
| 4101 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 4121 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 4102 __ jmp(&done); | 4122 __ jmp(&done); |
| 4103 | 4123 |
| 4104 __ bind(&runtime); | 4124 __ bind(&runtime); |
| 4105 __ push(v0); | 4125 __ push(v0); |
| 4106 __ CallRuntime(Runtime::kCall, args->length()); | 4126 __ CallRuntime(Runtime::kCallFunction, args->length()); |
| 4107 __ bind(&done); | 4127 __ bind(&done); |
| 4108 | 4128 |
| 4109 context()->Plug(v0); | 4129 context()->Plug(v0); |
| 4110 } | 4130 } |
| 4111 | 4131 |
| 4112 | 4132 |
| 4113 void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) { | 4133 void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) { |
| 4114 ZoneList<Expression*>* args = expr->arguments(); | 4134 ZoneList<Expression*>* args = expr->arguments(); |
| 4115 DCHECK(args->length() == 2); | 4135 DCHECK(args->length() == 2); |
| 4116 | 4136 |
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| 5318 reinterpret_cast<uint32_t>( | 5338 reinterpret_cast<uint32_t>( |
| 5319 isolate->builtins()->OsrAfterStackCheck()->entry())); | 5339 isolate->builtins()->OsrAfterStackCheck()->entry())); |
| 5320 return OSR_AFTER_STACK_CHECK; | 5340 return OSR_AFTER_STACK_CHECK; |
| 5321 } | 5341 } |
| 5322 | 5342 |
| 5323 | 5343 |
| 5324 } // namespace internal | 5344 } // namespace internal |
| 5325 } // namespace v8 | 5345 } // namespace v8 |
| 5326 | 5346 |
| 5327 #endif // V8_TARGET_ARCH_MIPS | 5347 #endif // V8_TARGET_ARCH_MIPS |
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