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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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1210 | 1210 |
1211 | 1211 |
1212 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, | 1212 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, |
1213 bool pretenure) { | 1213 bool pretenure) { |
1214 // Use the fast case closure allocation code that allocates in new | 1214 // Use the fast case closure allocation code that allocates in new |
1215 // space for nested functions that don't need literals cloning. If | 1215 // space for nested functions that don't need literals cloning. If |
1216 // we're running with the --always-opt or the --prepare-always-opt | 1216 // we're running with the --always-opt or the --prepare-always-opt |
1217 // flag, we need to use the runtime function so that the new function | 1217 // flag, we need to use the runtime function so that the new function |
1218 // we are creating here gets a chance to have its code optimized and | 1218 // we are creating here gets a chance to have its code optimized and |
1219 // doesn't just get a copy of the existing unoptimized code. | 1219 // doesn't just get a copy of the existing unoptimized code. |
1220 if (!FLAG_always_opt && | 1220 if (!FLAG_always_opt && !FLAG_prepare_always_opt && !pretenure && |
1221 !FLAG_prepare_always_opt && | 1221 scope()->is_function_scope()) { |
1222 !pretenure && | |
1223 scope()->is_function_scope() && | |
1224 info->num_literals() == 0) { | |
1225 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); | 1222 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); |
1226 __ mov(r2, Operand(info)); | 1223 __ mov(r2, Operand(info)); |
1227 __ CallStub(&stub); | 1224 __ CallStub(&stub); |
1228 } else { | 1225 } else { |
1229 __ Push(info); | 1226 __ Push(info); |
1230 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured | 1227 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured |
1231 : Runtime::kNewClosure); | 1228 : Runtime::kNewClosure); |
1232 } | 1229 } |
1233 context()->Plug(r0); | 1230 context()->Plug(r0); |
1234 } | 1231 } |
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4883 DCHECK(interrupt_address == | 4880 DCHECK(interrupt_address == |
4884 isolate->builtins()->OsrAfterStackCheck()->entry()); | 4881 isolate->builtins()->OsrAfterStackCheck()->entry()); |
4885 return OSR_AFTER_STACK_CHECK; | 4882 return OSR_AFTER_STACK_CHECK; |
4886 } | 4883 } |
4887 | 4884 |
4888 | 4885 |
4889 } // namespace internal | 4886 } // namespace internal |
4890 } // namespace v8 | 4887 } // namespace v8 |
4891 | 4888 |
4892 #endif // V8_TARGET_ARCH_ARM | 4889 #endif // V8_TARGET_ARCH_ARM |
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