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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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
8 | 8 |
9 // Note on Mips implementation: | 9 // Note on Mips implementation: |
10 // | 10 // |
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4101 __ LoadRoot(result, Heap::kNanValueRootIndex); | 4101 __ LoadRoot(result, Heap::kNanValueRootIndex); |
4102 __ jmp(&done); | 4102 __ jmp(&done); |
4103 | 4103 |
4104 __ bind(&need_conversion); | 4104 __ bind(&need_conversion); |
4105 // Load the undefined value into the result register, which will | 4105 // Load the undefined value into the result register, which will |
4106 // trigger conversion. | 4106 // trigger conversion. |
4107 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); | 4107 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); |
4108 __ jmp(&done); | 4108 __ jmp(&done); |
4109 | 4109 |
4110 NopRuntimeCallHelper call_helper; | 4110 NopRuntimeCallHelper call_helper; |
4111 generator.GenerateSlow(masm_, call_helper); | 4111 generator.GenerateSlow(masm_, NOT_PART_OF_IC_HANDLER, call_helper); |
4112 | 4112 |
4113 __ bind(&done); | 4113 __ bind(&done); |
4114 context()->Plug(result); | 4114 context()->Plug(result); |
4115 } | 4115 } |
4116 | 4116 |
4117 | 4117 |
4118 void FullCodeGenerator::EmitStringCharAt(CallRuntime* expr) { | 4118 void FullCodeGenerator::EmitStringCharAt(CallRuntime* expr) { |
4119 ZoneList<Expression*>* args = expr->arguments(); | 4119 ZoneList<Expression*>* args = expr->arguments(); |
4120 DCHECK(args->length() == 2); | 4120 DCHECK(args->length() == 2); |
4121 | 4121 |
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4150 __ LoadRoot(result, Heap::kempty_stringRootIndex); | 4150 __ LoadRoot(result, Heap::kempty_stringRootIndex); |
4151 __ jmp(&done); | 4151 __ jmp(&done); |
4152 | 4152 |
4153 __ bind(&need_conversion); | 4153 __ bind(&need_conversion); |
4154 // Move smi zero into the result register, which will trigger | 4154 // Move smi zero into the result register, which will trigger |
4155 // conversion. | 4155 // conversion. |
4156 __ li(result, Operand(Smi::FromInt(0))); | 4156 __ li(result, Operand(Smi::FromInt(0))); |
4157 __ jmp(&done); | 4157 __ jmp(&done); |
4158 | 4158 |
4159 NopRuntimeCallHelper call_helper; | 4159 NopRuntimeCallHelper call_helper; |
4160 generator.GenerateSlow(masm_, call_helper); | 4160 generator.GenerateSlow(masm_, NOT_PART_OF_IC_HANDLER, call_helper); |
4161 | 4161 |
4162 __ bind(&done); | 4162 __ bind(&done); |
4163 context()->Plug(result); | 4163 context()->Plug(result); |
4164 } | 4164 } |
4165 | 4165 |
4166 | 4166 |
4167 void FullCodeGenerator::EmitStringAdd(CallRuntime* expr) { | 4167 void FullCodeGenerator::EmitStringAdd(CallRuntime* expr) { |
4168 ZoneList<Expression*>* args = expr->arguments(); | 4168 ZoneList<Expression*>* args = expr->arguments(); |
4169 DCHECK_EQ(2, args->length()); | 4169 DCHECK_EQ(2, args->length()); |
4170 VisitForStackValue(args->at(0)); | 4170 VisitForStackValue(args->at(0)); |
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5462 Assembler::target_address_at(pc_immediate_load_address)) == | 5462 Assembler::target_address_at(pc_immediate_load_address)) == |
5463 reinterpret_cast<uint32_t>( | 5463 reinterpret_cast<uint32_t>( |
5464 isolate->builtins()->OsrAfterStackCheck()->entry())); | 5464 isolate->builtins()->OsrAfterStackCheck()->entry())); |
5465 return OSR_AFTER_STACK_CHECK; | 5465 return OSR_AFTER_STACK_CHECK; |
5466 } | 5466 } |
5467 | 5467 |
5468 | 5468 |
5469 } } // namespace v8::internal | 5469 } } // namespace v8::internal |
5470 | 5470 |
5471 #endif // V8_TARGET_ARCH_MIPS | 5471 #endif // V8_TARGET_ARCH_MIPS |
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