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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_MIPS64 | 5 #if V8_TARGET_ARCH_MIPS64 |
6 | 6 |
7 // Note on Mips implementation: | 7 // Note on Mips implementation: |
8 // | 8 // |
9 // The result_register() for mips is the 'v0' register, which is defined | 9 // The result_register() for mips is the 'v0' register, which is defined |
10 // by the ABI to contain function return values. However, the first | 10 // by the ABI to contain function return values. However, the first |
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1201 | 1201 |
1202 | 1202 |
1203 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, | 1203 void FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, |
1204 bool pretenure) { | 1204 bool pretenure) { |
1205 // Use the fast case closure allocation code that allocates in new | 1205 // Use the fast case closure allocation code that allocates in new |
1206 // space for nested functions that don't need literals cloning. If | 1206 // space for nested functions that don't need literals cloning. If |
1207 // we're running with the --always-opt or the --prepare-always-opt | 1207 // we're running with the --always-opt or the --prepare-always-opt |
1208 // flag, we need to use the runtime function so that the new function | 1208 // flag, we need to use the runtime function so that the new function |
1209 // we are creating here gets a chance to have its code optimized and | 1209 // we are creating here gets a chance to have its code optimized and |
1210 // doesn't just get a copy of the existing unoptimized code. | 1210 // doesn't just get a copy of the existing unoptimized code. |
1211 if (!FLAG_always_opt && !FLAG_prepare_always_opt && !pretenure && | 1211 if (!FLAG_always_opt && |
1212 scope()->is_function_scope()) { | 1212 !FLAG_prepare_always_opt && |
| 1213 !pretenure && |
| 1214 scope()->is_function_scope() && |
| 1215 info->num_literals() == 0) { |
1213 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); | 1216 FastNewClosureStub stub(isolate(), info->language_mode(), info->kind()); |
1214 __ li(a2, Operand(info)); | 1217 __ li(a2, Operand(info)); |
1215 __ CallStub(&stub); | 1218 __ CallStub(&stub); |
1216 } else { | 1219 } else { |
1217 __ Push(info); | 1220 __ Push(info); |
1218 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured | 1221 __ CallRuntime(pretenure ? Runtime::kNewClosure_Tenured |
1219 : Runtime::kNewClosure); | 1222 : Runtime::kNewClosure); |
1220 } | 1223 } |
1221 context()->Plug(v0); | 1224 context()->Plug(v0); |
1222 } | 1225 } |
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4813 reinterpret_cast<uint64_t>( | 4816 reinterpret_cast<uint64_t>( |
4814 isolate->builtins()->OsrAfterStackCheck()->entry())); | 4817 isolate->builtins()->OsrAfterStackCheck()->entry())); |
4815 return OSR_AFTER_STACK_CHECK; | 4818 return OSR_AFTER_STACK_CHECK; |
4816 } | 4819 } |
4817 | 4820 |
4818 | 4821 |
4819 } // namespace internal | 4822 } // namespace internal |
4820 } // namespace v8 | 4823 } // namespace v8 |
4821 | 4824 |
4822 #endif // V8_TARGET_ARCH_MIPS64 | 4825 #endif // V8_TARGET_ARCH_MIPS64 |
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