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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_ARM | 5 #if V8_TARGET_ARCH_ARM |
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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1215 | 1215 |
1216 | 1216 |
1217 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, | 1217 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, |
1218 bool pretenure) { | 1218 bool pretenure) { |
1219 // Use the fast case closure allocation code that allocates in new | 1219 // Use the fast case closure allocation code that allocates in new |
1220 // space for nested functions that don't need literals cloning. If | 1220 // space for nested functions that don't need literals cloning. If |
1221 // we're running with the --always-opt or the --prepare-always-opt | 1221 // we're running with the --always-opt or the --prepare-always-opt |
1222 // flag, we need to use the runtime function so that the new function | 1222 // flag, we need to use the runtime function so that the new function |
1223 // we are creating here gets a chance to have its code optimized and | 1223 // we are creating here gets a chance to have its code optimized and |
1224 // doesn't just get a copy of the existing unoptimized code. | 1224 // doesn't just get a copy of the existing unoptimized code. |
1225 if (!FLAG_always_opt && !FLAG_prepare_always_opt && !pretenure && | 1225 if (!FLAG_always_opt && |
1226 scope()->is_function_scope()) { | 1226 !FLAG_prepare_always_opt && |
| 1227 !pretenure && |
| 1228 scope()->is_function_scope() && |
| 1229 info->num_literals() == 0) { |
1227 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); | 1230 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); |
1228 __ mov(r2, Operand(info)); | 1231 __ mov(r2, Operand(info)); |
1229 __ CallStub(&stub); | 1232 __ CallStub(&stub); |
1230 } else { | 1233 } else { |
1231 __ Push(info); | 1234 __ Push(info); |
1232 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured | 1235 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured |
1233 : Runtime::kNewClosure); | 1236 : Runtime::kNewClosure); |
1234 } | 1237 } |
1235 context()->Plug(r0); | 1238 context()->Plug(r0); |
1236 } | 1239 } |
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4843 DCHECK(interrupt_address == | 4846 DCHECK(interrupt_address == |
4844 isolate->builtins()->OsrAfterStackCheck()->entry()); | 4847 isolate->builtins()->OsrAfterStackCheck()->entry()); |
4845 return OSR_AFTER_STACK_CHECK; | 4848 return OSR_AFTER_STACK_CHECK; |
4846 } | 4849 } |
4847 | 4850 |
4848 | 4851 |
4849 } // namespace internal | 4852 } // namespace internal |
4850 } // namespace v8 | 4853 } // namespace v8 |
4851 | 4854 |
4852 #endif // V8_TARGET_ARCH_ARM | 4855 #endif // V8_TARGET_ARCH_ARM |
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