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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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521 | 521 |
522 // Emit code to perform a binary operation on two untagged int32 values. | 522 // Emit code to perform a binary operation on two untagged int32 values. |
523 // The values are on top of the frame, and the result is pushed on the frame. | 523 // The values are on top of the frame, and the result is pushed on the frame. |
524 void Int32BinaryOperation(BinaryOperation* node); | 524 void Int32BinaryOperation(BinaryOperation* node); |
525 | 525 |
526 | 526 |
527 void Comparison(AstNode* node, | 527 void Comparison(AstNode* node, |
528 Condition cc, | 528 Condition cc, |
529 bool strict, | 529 bool strict, |
530 ControlDestination* destination); | 530 ControlDestination* destination); |
531 void GenerateInlineNumberComparison(Result* left_side, | |
532 Result* right_side, | |
533 Condition cc, | |
534 ControlDestination* dest); | |
535 | 531 |
536 // To prevent long attacker-controlled byte sequences, integer constants | 532 // To prevent long attacker-controlled byte sequences, integer constants |
537 // from the JavaScript source are loaded in two parts if they are larger | 533 // from the JavaScript source are loaded in two parts if they are larger |
538 // than 17 bits. | 534 // than 17 bits. |
539 static const int kMaxSmiInlinedBits = 17; | 535 static const int kMaxSmiInlinedBits = 17; |
540 bool IsUnsafeSmi(Handle<Object> value); | 536 bool IsUnsafeSmi(Handle<Object> value); |
541 // Load an integer constant x into a register target or into the stack using | 537 // Load an integer constant x into a register target or into the stack using |
542 // at most 16 bits of user-controlled data per assembly operation. | 538 // at most 16 bits of user-controlled data per assembly operation. |
543 void MoveUnsafeSmi(Register target, Handle<Object> value); | 539 void MoveUnsafeSmi(Register target, Handle<Object> value); |
544 void StoreUnsafeSmiToLocal(int offset, Handle<Object> value); | 540 void StoreUnsafeSmiToLocal(int offset, Handle<Object> value); |
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1050 return ObjectBits::encode(object_.code()) | | 1046 return ObjectBits::encode(object_.code()) | |
1051 AddressBits::encode(addr_.code()) | | 1047 AddressBits::encode(addr_.code()) | |
1052 ScratchBits::encode(scratch_.code()); | 1048 ScratchBits::encode(scratch_.code()); |
1053 } | 1049 } |
1054 }; | 1050 }; |
1055 | 1051 |
1056 | 1052 |
1057 } } // namespace v8::internal | 1053 } } // namespace v8::internal |
1058 | 1054 |
1059 #endif // V8_IA32_CODEGEN_IA32_H_ | 1055 #endif // V8_IA32_CODEGEN_IA32_H_ |
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