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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_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
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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1137 | 1137 |
1138 | 1138 |
1139 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, | 1139 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, |
1140 bool pretenure) { | 1140 bool pretenure) { |
1141 // Use the fast case closure allocation code that allocates in new | 1141 // Use the fast case closure allocation code that allocates in new |
1142 // space for nested functions that don't need literals cloning. If | 1142 // space for nested functions that don't need literals cloning. If |
1143 // we're running with the --always-opt or the --prepare-always-opt | 1143 // we're running with the --always-opt or the --prepare-always-opt |
1144 // flag, we need to use the runtime function so that the new function | 1144 // flag, we need to use the runtime function so that the new function |
1145 // we are creating here gets a chance to have its code optimized and | 1145 // we are creating here gets a chance to have its code optimized and |
1146 // doesn't just get a copy of the existing unoptimized code. | 1146 // doesn't just get a copy of the existing unoptimized code. |
1147 if (!FLAG_always_opt && !FLAG_prepare_always_opt && !pretenure && | 1147 if (!FLAG_always_opt && |
1148 scope()->is_function_scope()) { | 1148 !FLAG_prepare_always_opt && |
| 1149 !pretenure && |
| 1150 scope()->is_function_scope() && |
| 1151 info->num_literals() == 0) { |
1149 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); | 1152 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); |
1150 __ mov(ebx, Immediate(info)); | 1153 __ mov(ebx, Immediate(info)); |
1151 __ CallStub(&stub); | 1154 __ CallStub(&stub); |
1152 } else { | 1155 } else { |
1153 __ push(Immediate(info)); | 1156 __ push(Immediate(info)); |
1154 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured | 1157 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured |
1155 : Runtime::kNewClosure); | 1158 : Runtime::kNewClosure); |
1156 } | 1159 } |
1157 context()->Plug(eax); | 1160 context()->Plug(eax); |
1158 } | 1161 } |
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4707 Assembler::target_address_at(call_target_address, | 4710 Assembler::target_address_at(call_target_address, |
4708 unoptimized_code)); | 4711 unoptimized_code)); |
4709 return OSR_AFTER_STACK_CHECK; | 4712 return OSR_AFTER_STACK_CHECK; |
4710 } | 4713 } |
4711 | 4714 |
4712 | 4715 |
4713 } // namespace internal | 4716 } // namespace internal |
4714 } // namespace v8 | 4717 } // namespace v8 |
4715 | 4718 |
4716 #endif // V8_TARGET_ARCH_IA32 | 4719 #endif // V8_TARGET_ARCH_IA32 |
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