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Side by Side Diff: src/ia32/codegen-ia32.h

Issue 1117011: Inline floating point compare... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 9 months ago
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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);
531 535
532 // To prevent long attacker-controlled byte sequences, integer constants 536 // To prevent long attacker-controlled byte sequences, integer constants
533 // from the JavaScript source are loaded in two parts if they are larger 537 // from the JavaScript source are loaded in two parts if they are larger
534 // than 17 bits. 538 // than 17 bits.
535 static const int kMaxSmiInlinedBits = 17; 539 static const int kMaxSmiInlinedBits = 17;
536 bool IsUnsafeSmi(Handle<Object> value); 540 bool IsUnsafeSmi(Handle<Object> value);
537 // Load an integer constant x into a register target or into the stack using 541 // Load an integer constant x into a register target or into the stack using
538 // at most 16 bits of user-controlled data per assembly operation. 542 // at most 16 bits of user-controlled data per assembly operation.
539 void MoveUnsafeSmi(Register target, Handle<Object> value); 543 void MoveUnsafeSmi(Register target, Handle<Object> value);
540 void StoreUnsafeSmiToLocal(int offset, Handle<Object> value); 544 void StoreUnsafeSmiToLocal(int offset, Handle<Object> value);
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1046 return ObjectBits::encode(object_.code()) | 1050 return ObjectBits::encode(object_.code()) |
1047 AddressBits::encode(addr_.code()) | 1051 AddressBits::encode(addr_.code()) |
1048 ScratchBits::encode(scratch_.code()); 1052 ScratchBits::encode(scratch_.code());
1049 } 1053 }
1050 }; 1054 };
1051 1055
1052 1056
1053 } } // namespace v8::internal 1057 } } // namespace v8::internal
1054 1058
1055 #endif // V8_IA32_CODEGEN_IA32_H_ 1059 #endif // V8_IA32_CODEGEN_IA32_H_
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