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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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1208 | 1208 |
1209 | 1209 |
1210 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, | 1210 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, |
1211 bool pretenure) { | 1211 bool pretenure) { |
1212 // Use the fast case closure allocation code that allocates in new space for | 1212 // Use the fast case closure allocation code that allocates in new space for |
1213 // nested functions that don't need literals cloning. If we're running with | 1213 // nested functions that don't need literals cloning. If we're running with |
1214 // the --always-opt or the --prepare-always-opt flag, we need to use the | 1214 // the --always-opt or the --prepare-always-opt flag, we need to use the |
1215 // runtime function so that the new function we are creating here gets a | 1215 // runtime function so that the new function we are creating here gets a |
1216 // chance to have its code optimized and doesn't just get a copy of the | 1216 // chance to have its code optimized and doesn't just get a copy of the |
1217 // existing unoptimized code. | 1217 // existing unoptimized code. |
1218 if (!FLAG_always_opt && !FLAG_prepare_always_opt && !pretenure && | 1218 if (!FLAG_always_opt && |
1219 scope()->is_function_scope()) { | 1219 !FLAG_prepare_always_opt && |
| 1220 !pretenure && |
| 1221 scope()->is_function_scope() && |
| 1222 info->num_literals() == 0) { |
1220 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); | 1223 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); |
1221 __ Mov(x2, Operand(info)); | 1224 __ Mov(x2, Operand(info)); |
1222 __ CallStub(&stub); | 1225 __ CallStub(&stub); |
1223 } else { | 1226 } else { |
1224 __ Push(info); | 1227 __ Push(info); |
1225 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured | 1228 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured |
1226 : Runtime::kNewClosure); | 1229 : Runtime::kNewClosure); |
1227 } | 1230 } |
1228 context()->Plug(x0); | 1231 context()->Plug(x0); |
1229 } | 1232 } |
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4826 } | 4829 } |
4827 | 4830 |
4828 return INTERRUPT; | 4831 return INTERRUPT; |
4829 } | 4832 } |
4830 | 4833 |
4831 | 4834 |
4832 } // namespace internal | 4835 } // namespace internal |
4833 } // namespace v8 | 4836 } // namespace v8 |
4834 | 4837 |
4835 #endif // V8_TARGET_ARCH_ARM64 | 4838 #endif // V8_TARGET_ARCH_ARM64 |
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