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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_X87 | 5 #if V8_TARGET_ARCH_X87 |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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1084 __ add(esp, Immediate(5 * kPointerSize)); | 1084 __ add(esp, Immediate(5 * kPointerSize)); |
1085 OperandStackDepthDecrement(ForIn::kElementCount); | 1085 OperandStackDepthDecrement(ForIn::kElementCount); |
1086 | 1086 |
1087 // Exit and decrement the loop depth. | 1087 // Exit and decrement the loop depth. |
1088 PrepareForBailoutForId(stmt->ExitId(), NO_REGISTERS); | 1088 PrepareForBailoutForId(stmt->ExitId(), NO_REGISTERS); |
1089 __ bind(&exit); | 1089 __ bind(&exit); |
1090 decrement_loop_depth(); | 1090 decrement_loop_depth(); |
1091 } | 1091 } |
1092 | 1092 |
1093 | 1093 |
1094 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, | |
1095 bool pretenure) { | |
1096 // Use the fast case closure allocation code that allocates in new | |
1097 // space for nested functions that don't need literals cloning. If | |
1098 // we're running with the --always-opt or the --prepare-always-opt | |
1099 // flag, we need to use the runtime function so that the new function | |
1100 // we are creating here gets a chance to have its code optimized and | |
1101 // doesn't just get a copy of the existing unoptimized code. | |
1102 if (!FLAG_always_opt && | |
1103 !FLAG_prepare_always_opt && | |
1104 !pretenure && | |
1105 scope()->is_function_scope() && | |
1106 info->num_literals() == 0) { | |
1107 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); | |
1108 __ mov(ebx, Immediate(info)); | |
1109 __ CallStub(&stub); | |
1110 } else { | |
1111 __ push(Immediate(info)); | |
1112 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured | |
1113 : Runtime::kNewClosure); | |
1114 } | |
1115 context()->Plug(eax); | |
1116 } | |
1117 | |
1118 | |
1119 void FullCodeGenerator::EmitSetHomeObject(Expression* initializer, int offset, | 1094 void FullCodeGenerator::EmitSetHomeObject(Expression* initializer, int offset, |
1120 FeedbackVectorSlot slot) { | 1095 FeedbackVectorSlot slot) { |
1121 DCHECK(NeedsHomeObject(initializer)); | 1096 DCHECK(NeedsHomeObject(initializer)); |
1122 __ mov(StoreDescriptor::ReceiverRegister(), Operand(esp, 0)); | 1097 __ mov(StoreDescriptor::ReceiverRegister(), Operand(esp, 0)); |
1123 __ mov(StoreDescriptor::NameRegister(), | 1098 __ mov(StoreDescriptor::NameRegister(), |
1124 Immediate(isolate()->factory()->home_object_symbol())); | 1099 Immediate(isolate()->factory()->home_object_symbol())); |
1125 __ mov(StoreDescriptor::ValueRegister(), Operand(esp, offset * kPointerSize)); | 1100 __ mov(StoreDescriptor::ValueRegister(), Operand(esp, offset * kPointerSize)); |
1126 EmitLoadStoreICSlot(slot); | 1101 EmitLoadStoreICSlot(slot); |
1127 CallStoreIC(); | 1102 CallStoreIC(); |
1128 } | 1103 } |
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4112 Assembler::target_address_at(call_target_address, | 4087 Assembler::target_address_at(call_target_address, |
4113 unoptimized_code)); | 4088 unoptimized_code)); |
4114 return OSR_AFTER_STACK_CHECK; | 4089 return OSR_AFTER_STACK_CHECK; |
4115 } | 4090 } |
4116 | 4091 |
4117 | 4092 |
4118 } // namespace internal | 4093 } // namespace internal |
4119 } // namespace v8 | 4094 } // namespace v8 |
4120 | 4095 |
4121 #endif // V8_TARGET_ARCH_X87 | 4096 #endif // V8_TARGET_ARCH_X87 |
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