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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
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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1198 | 1198 |
1199 | 1199 |
1200 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, | 1200 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, |
1201 bool pretenure) { | 1201 bool pretenure) { |
1202 // Use the fast case closure allocation code that allocates in new space for | 1202 // Use the fast case closure allocation code that allocates in new space for |
1203 // nested functions that don't need literals cloning. If we're running with | 1203 // nested functions that don't need literals cloning. If we're running with |
1204 // the --always-opt or the --prepare-always-opt flag, we need to use the | 1204 // the --always-opt or the --prepare-always-opt flag, we need to use the |
1205 // runtime function so that the new function we are creating here gets a | 1205 // runtime function so that the new function we are creating here gets a |
1206 // chance to have its code optimized and doesn't just get a copy of the | 1206 // chance to have its code optimized and doesn't just get a copy of the |
1207 // existing unoptimized code. | 1207 // existing unoptimized code. |
1208 if (!FLAG_always_opt && !FLAG_prepare_always_opt && !pretenure && | 1208 if (!FLAG_always_opt && |
1209 scope()->is_function_scope()) { | 1209 !FLAG_prepare_always_opt && |
| 1210 !pretenure && |
| 1211 scope()->is_function_scope() && |
| 1212 info->num_literals() == 0) { |
1210 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); | 1213 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); |
1211 __ Mov(x2, Operand(info)); | 1214 __ Mov(x2, Operand(info)); |
1212 __ CallStub(&stub); | 1215 __ CallStub(&stub); |
1213 } else { | 1216 } else { |
1214 __ Push(info); | 1217 __ Push(info); |
1215 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured | 1218 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured |
1216 : Runtime::kNewClosure); | 1219 : Runtime::kNewClosure); |
1217 } | 1220 } |
1218 context()->Plug(x0); | 1221 context()->Plug(x0); |
1219 } | 1222 } |
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4835 } | 4838 } |
4836 | 4839 |
4837 return INTERRUPT; | 4840 return INTERRUPT; |
4838 } | 4841 } |
4839 | 4842 |
4840 | 4843 |
4841 } // namespace internal | 4844 } // namespace internal |
4842 } // namespace v8 | 4845 } // namespace v8 |
4843 | 4846 |
4844 #endif // V8_TARGET_ARCH_ARM64 | 4847 #endif // V8_TARGET_ARCH_ARM64 |
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