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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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1205 | 1205 |
1206 | 1206 |
1207 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, | 1207 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, |
1208 bool pretenure) { | 1208 bool pretenure) { |
1209 // Use the fast case closure allocation code that allocates in new | 1209 // Use the fast case closure allocation code that allocates in new |
1210 // space for nested functions that don't need literals cloning. If | 1210 // space for nested functions that don't need literals cloning. If |
1211 // we're running with the --always-opt or the --prepare-always-opt | 1211 // we're running with the --always-opt or the --prepare-always-opt |
1212 // flag, we need to use the runtime function so that the new function | 1212 // flag, we need to use the runtime function so that the new function |
1213 // we are creating here gets a chance to have its code optimized and | 1213 // we are creating here gets a chance to have its code optimized and |
1214 // doesn't just get a copy of the existing unoptimized code. | 1214 // doesn't just get a copy of the existing unoptimized code. |
1215 if (!FLAG_always_opt && !FLAG_prepare_always_opt && !pretenure && | 1215 if (!FLAG_always_opt && |
1216 scope()->is_function_scope()) { | 1216 !FLAG_prepare_always_opt && |
| 1217 !pretenure && |
| 1218 scope()->is_function_scope() && |
| 1219 info->num_literals() == 0) { |
1217 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); | 1220 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); |
1218 __ mov(r2, Operand(info)); | 1221 __ mov(r2, Operand(info)); |
1219 __ CallStub(&stub); | 1222 __ CallStub(&stub); |
1220 } else { | 1223 } else { |
1221 __ Push(info); | 1224 __ Push(info); |
1222 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured | 1225 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured |
1223 : Runtime::kNewClosure); | 1226 : Runtime::kNewClosure); |
1224 } | 1227 } |
1225 context()->Plug(r0); | 1228 context()->Plug(r0); |
1226 } | 1229 } |
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4848 DCHECK(interrupt_address == | 4851 DCHECK(interrupt_address == |
4849 isolate->builtins()->OsrAfterStackCheck()->entry()); | 4852 isolate->builtins()->OsrAfterStackCheck()->entry()); |
4850 return OSR_AFTER_STACK_CHECK; | 4853 return OSR_AFTER_STACK_CHECK; |
4851 } | 4854 } |
4852 | 4855 |
4853 | 4856 |
4854 } // namespace internal | 4857 } // namespace internal |
4855 } // namespace v8 | 4858 } // namespace v8 |
4856 | 4859 |
4857 #endif // V8_TARGET_ARCH_ARM | 4860 #endif // V8_TARGET_ARCH_ARM |
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