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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 #ifndef V8_DEOPTIMIZER_H_ | 5 #ifndef V8_DEOPTIMIZER_H_ |
6 #define V8_DEOPTIMIZER_H_ | 6 #define V8_DEOPTIMIZER_H_ |
7 | 7 |
8 #include "v8.h" | 8 #include "v8.h" |
9 | 9 |
10 #include "allocation.h" | 10 #include "allocation.h" |
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380 CodeStubInterfaceDescriptor* desc); | 380 CodeStubInterfaceDescriptor* desc); |
381 | 381 |
382 // Fill the given output frame's double registers with the original values | 382 // Fill the given output frame's double registers with the original values |
383 // from the input frame's double registers. | 383 // from the input frame's double registers. |
384 void CopyDoubleRegisters(FrameDescription* output_frame); | 384 void CopyDoubleRegisters(FrameDescription* output_frame); |
385 | 385 |
386 // Determines whether the input frame contains alignment padding by looking | 386 // Determines whether the input frame contains alignment padding by looking |
387 // at the dynamic alignment state slot inside the frame. | 387 // at the dynamic alignment state slot inside the frame. |
388 bool HasAlignmentPadding(JSFunction* function); | 388 bool HasAlignmentPadding(JSFunction* function); |
389 | 389 |
390 // Select the version of NotifyStubFailure builtin that either saves or | |
391 // doesn't save the double registers depending on CPU features. | |
392 Code* NotifyStubFailureBuiltin(); | |
393 | |
394 Isolate* isolate_; | 390 Isolate* isolate_; |
395 JSFunction* function_; | 391 JSFunction* function_; |
396 Code* compiled_code_; | 392 Code* compiled_code_; |
397 unsigned bailout_id_; | 393 unsigned bailout_id_; |
398 BailoutType bailout_type_; | 394 BailoutType bailout_type_; |
399 Address from_; | 395 Address from_; |
400 int fp_to_sp_delta_; | 396 int fp_to_sp_delta_; |
401 int has_alignment_padding_; | 397 int has_alignment_padding_; |
402 | 398 |
403 // Input frame description. | 399 // Input frame description. |
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966 Object** parameters_; | 962 Object** parameters_; |
967 Object** expression_stack_; | 963 Object** expression_stack_; |
968 int source_position_; | 964 int source_position_; |
969 | 965 |
970 friend class Deoptimizer; | 966 friend class Deoptimizer; |
971 }; | 967 }; |
972 | 968 |
973 } } // namespace v8::internal | 969 } } // namespace v8::internal |
974 | 970 |
975 #endif // V8_DEOPTIMIZER_H_ | 971 #endif // V8_DEOPTIMIZER_H_ |
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