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Side by Side Diff: src/ia32/macro-assembler-ia32.h

Issue 8404030: Version 3.7.1 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 9 years, 1 month ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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587 // Initialize fields with filler values. Fields starting at |start_offset| 587 // Initialize fields with filler values. Fields starting at |start_offset|
588 // not including end_offset are overwritten with the value in |filler|. At 588 // not including end_offset are overwritten with the value in |filler|. At
589 // the end the loop, |start_offset| takes the value of |end_offset|. 589 // the end the loop, |start_offset| takes the value of |end_offset|.
590 void InitializeFieldsWithFiller(Register start_offset, 590 void InitializeFieldsWithFiller(Register start_offset,
591 Register end_offset, 591 Register end_offset,
592 Register filler); 592 Register filler);
593 593
594 // --------------------------------------------------------------------------- 594 // ---------------------------------------------------------------------------
595 // Support functions. 595 // Support functions.
596 596
597 // Check a boolean-bit of a Smi field.
598 void BooleanBitTest(Register object, int field_offset, int bit_index);
599
597 // Check if result is zero and op is negative. 600 // Check if result is zero and op is negative.
598 void NegativeZeroTest(Register result, Register op, Label* then_label); 601 void NegativeZeroTest(Register result, Register op, Label* then_label);
599 602
600 // Check if result is zero and any of op1 and op2 are negative. 603 // Check if result is zero and any of op1 and op2 are negative.
601 // Register scratch is destroyed, and it must be different from op2. 604 // Register scratch is destroyed, and it must be different from op2.
602 void NegativeZeroTest(Register result, Register op1, Register op2, 605 void NegativeZeroTest(Register result, Register op1, Register op2,
603 Register scratch, Label* then_label); 606 Register scratch, Label* then_label);
604 607
605 // Try to get function prototype of a function and puts the value in 608 // Try to get function prototype of a function and puts the value in
606 // the result register. Checks that the function really is a 609 // the result register. Checks that the function really is a
607 // function and jumps to the miss label if the fast checks fail. The 610 // function and jumps to the miss label if the fast checks fail. The
608 // function register will be untouched; the other registers may be 611 // function register will be untouched; the other registers may be
609 // clobbered. 612 // clobbered.
610 void TryGetFunctionPrototype(Register function, 613 void TryGetFunctionPrototype(Register function,
611 Register result, 614 Register result,
612 Register scratch, 615 Register scratch,
613 Label* miss); 616 Label* miss,
617 bool miss_on_bound_function = false);
614 618
615 // Generates code for reporting that an illegal operation has 619 // Generates code for reporting that an illegal operation has
616 // occurred. 620 // occurred.
617 void IllegalOperation(int num_arguments); 621 void IllegalOperation(int num_arguments);
618 622
619 // Picks out an array index from the hash field. 623 // Picks out an array index from the hash field.
620 // Register use: 624 // Register use:
621 // hash - holds the index's hash. Clobbered. 625 // hash - holds the index's hash. Clobbered.
622 // index - holds the overwritten index on exit. 626 // index - holds the overwritten index on exit.
623 void IndexFromHash(Register hash, Register index); 627 void IndexFromHash(Register hash, Register index);
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954 } \ 958 } \
955 masm-> 959 masm->
956 #else 960 #else
957 #define ACCESS_MASM(masm) masm-> 961 #define ACCESS_MASM(masm) masm->
958 #endif 962 #endif
959 963
960 964
961 } } // namespace v8::internal 965 } } // namespace v8::internal
962 966
963 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ 967 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_
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