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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 // 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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369 for (int i = 0; i < deoptimization_literals_.length(); ++i) { | 369 for (int i = 0; i < deoptimization_literals_.length(); ++i) { |
370 if (deoptimization_literals_[i].is_identical_to(literal)) return i; | 370 if (deoptimization_literals_[i].is_identical_to(literal)) return i; |
371 } | 371 } |
372 deoptimization_literals_.Add(literal, zone()); | 372 deoptimization_literals_.Add(literal, zone()); |
373 return result; | 373 return result; |
374 } | 374 } |
375 | 375 |
376 | 376 |
377 void LCodeGen::RegisterEnvironmentForDeoptimization(LEnvironment* environment, | 377 void LCodeGen::RegisterEnvironmentForDeoptimization(LEnvironment* environment, |
378 Safepoint::DeoptMode mode) { | 378 Safepoint::DeoptMode mode) { |
| 379 environment->set_has_been_used(); |
379 if (!environment->HasBeenRegistered()) { | 380 if (!environment->HasBeenRegistered()) { |
380 int frame_count = 0; | 381 int frame_count = 0; |
381 int jsframe_count = 0; | 382 int jsframe_count = 0; |
382 for (LEnvironment* e = environment; e != NULL; e = e->outer()) { | 383 for (LEnvironment* e = environment; e != NULL; e = e->outer()) { |
383 ++frame_count; | 384 ++frame_count; |
384 if (e->frame_type() == JS_FUNCTION) { | 385 if (e->frame_type() == JS_FUNCTION) { |
385 ++jsframe_count; | 386 ++jsframe_count; |
386 } | 387 } |
387 } | 388 } |
388 Translation translation(&translations_, frame_count, jsframe_count, zone()); | 389 Translation translation(&translations_, frame_count, jsframe_count, zone()); |
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5949 __ Ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset)); | 5950 __ Ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset)); |
5950 // Index is equal to negated out of object property index plus 1. | 5951 // Index is equal to negated out of object property index plus 1. |
5951 __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2)); | 5952 __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2)); |
5952 __ Ldr(result, FieldMemOperand(result, | 5953 __ Ldr(result, FieldMemOperand(result, |
5953 FixedArray::kHeaderSize - kPointerSize)); | 5954 FixedArray::kHeaderSize - kPointerSize)); |
5954 __ Bind(deferred->exit()); | 5955 __ Bind(deferred->exit()); |
5955 __ Bind(&done); | 5956 __ Bind(&done); |
5956 } | 5957 } |
5957 | 5958 |
5958 } } // namespace v8::internal | 5959 } } // namespace v8::internal |
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