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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 165 // non-optimizable information for the code. When the code is | 165 // non-optimizable information for the code. When the code is |
| 166 // regenerated and set on the shared function info it is marked as | 166 // regenerated and set on the shared function info it is marked as |
| 167 // non-optimizable if optimization is disabled for the shared | 167 // non-optimizable if optimization is disabled for the shared |
| 168 // function info. | 168 // function info. |
| 169 Handle<SharedFunctionInfo> shared = info->shared_info(); | 169 Handle<SharedFunctionInfo> shared = info->shared_info(); |
| 170 shared->set_optimization_disabled(true); | 170 shared->set_optimization_disabled(true); |
| 171 Handle<Code> code = Handle<Code>(shared->code()); | 171 Handle<Code> code = Handle<Code>(shared->code()); |
| 172 ASSERT(code->kind() == Code::FUNCTION); | 172 ASSERT(code->kind() == Code::FUNCTION); |
| 173 code->set_optimizable(false); | 173 code->set_optimizable(false); |
| 174 info->SetCode(code); | 174 info->SetCode(code); |
| 175 CompilationCache::MarkForLazyOptimizing(info->closure()); |
| 175 if (FLAG_trace_opt) { | 176 if (FLAG_trace_opt) { |
| 176 PrintF("[disabled optimization for: "); | 177 PrintF("[disabled optimization for: "); |
| 177 info->closure()->PrintName(); | 178 info->closure()->PrintName(); |
| 178 PrintF(" / %" V8PRIxPTR "]\n", | 179 PrintF(" / %" V8PRIxPTR "]\n", |
| 179 reinterpret_cast<intptr_t>(*info->closure())); | 180 reinterpret_cast<intptr_t>(*info->closure())); |
| 180 } | 181 } |
| 181 } | 182 } |
| 182 | 183 |
| 183 | 184 |
| 184 static bool MakeCrankshaftCode(CompilationInfo* info) { | 185 static bool MakeCrankshaftCode(CompilationInfo* info) { |
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| 241 info->SetCode(code); | 242 info->SetCode(code); |
| 242 return true; | 243 return true; |
| 243 } | 244 } |
| 244 | 245 |
| 245 // Recompile the unoptimized version of the code if the current version | 246 // Recompile the unoptimized version of the code if the current version |
| 246 // doesn't have deoptimization support. Alternatively, we may decide to | 247 // doesn't have deoptimization support. Alternatively, we may decide to |
| 247 // run the full code generator to get a baseline for the compile-time | 248 // run the full code generator to get a baseline for the compile-time |
| 248 // performance of the hydrogen-based compiler. | 249 // performance of the hydrogen-based compiler. |
| 249 int64_t start = OS::Ticks(); | 250 int64_t start = OS::Ticks(); |
| 250 bool should_recompile = !info->shared_info()->has_deoptimization_support(); | 251 bool should_recompile = !info->shared_info()->has_deoptimization_support(); |
| 251 if (should_recompile || FLAG_time_hydrogen) { | 252 if (should_recompile || FLAG_hydrogen_stats) { |
| 252 HPhase phase(HPhase::kFullCodeGen); | 253 HPhase phase(HPhase::kFullCodeGen); |
| 253 CompilationInfo unoptimized(info->shared_info()); | 254 CompilationInfo unoptimized(info->shared_info()); |
| 254 // Note that we use the same AST that we will use for generating the | 255 // Note that we use the same AST that we will use for generating the |
| 255 // optimized code. | 256 // optimized code. |
| 256 unoptimized.SetFunction(info->function()); | 257 unoptimized.SetFunction(info->function()); |
| 257 unoptimized.SetScope(info->scope()); | 258 unoptimized.SetScope(info->scope()); |
| 258 if (should_recompile) unoptimized.EnableDeoptimizationSupport(); | 259 if (should_recompile) unoptimized.EnableDeoptimizationSupport(); |
| 259 bool succeeded = FullCodeGenerator::MakeCode(&unoptimized); | 260 bool succeeded = FullCodeGenerator::MakeCode(&unoptimized); |
| 260 if (should_recompile) { | 261 if (should_recompile) { |
| 261 if (!succeeded) return false; | 262 if (!succeeded) return false; |
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| 797 shared->DebugName())); | 798 shared->DebugName())); |
| 798 } | 799 } |
| 799 } | 800 } |
| 800 | 801 |
| 801 GDBJIT(AddCode(name, | 802 GDBJIT(AddCode(name, |
| 802 Handle<Script>(info->script()), | 803 Handle<Script>(info->script()), |
| 803 Handle<Code>(info->code()))); | 804 Handle<Code>(info->code()))); |
| 804 } | 805 } |
| 805 | 806 |
| 806 } } // namespace v8::internal | 807 } } // namespace v8::internal |
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