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Side by Side Diff: src/assembler-arm.h

Issue 2958: Revert changes to src\assembler-arm.h which slipped into a previous checkin b... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 12 years, 3 months ago
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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions 5 // modification, are permitted provided that the following conditions
6 // are met: 6 // are met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
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638 638
639 // Record a comment relocation entry that can be used by a disassembler. 639 // Record a comment relocation entry that can be used by a disassembler.
640 // Use --debug_code to enable. 640 // Use --debug_code to enable.
641 void RecordComment(const char* msg); 641 void RecordComment(const char* msg);
642 642
643 void RecordPosition(int pos); 643 void RecordPosition(int pos);
644 void RecordStatementPosition(int pos); 644 void RecordStatementPosition(int pos);
645 645
646 int pc_offset() const { return pc_ - buffer_; } 646 int pc_offset() const { return pc_ - buffer_; }
647 int last_position() const { return last_position_; } 647 int last_position() const { return last_position_; }
648 int last_statement_position() const { return last_statement_position_; } 648 bool last_position_is_statement() const {
649 return last_position_is_statement_;
650 }
649 651
650 protected: 652 protected:
651 int buffer_space() const { return reloc_info_writer.pos() - pc_; } 653 int buffer_space() const { return reloc_info_writer.pos() - pc_; }
652 654
653 // Read/patch instructions 655 // Read/patch instructions
654 Instr instr_at(byte* pc) { return *reinterpret_cast<Instr*>(pc); } 656 Instr instr_at(byte* pc) { return *reinterpret_cast<Instr*>(pc); }
655 void instr_at_put(byte* pc, Instr instr) { 657 void instr_at_put(byte* pc, Instr instr) {
656 *reinterpret_cast<Instr*>(pc) = instr; 658 *reinterpret_cast<Instr*>(pc) = instr;
657 } 659 }
658 Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); } 660 Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); }
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738 740
739 // Jump-to-jump elimination: 741 // Jump-to-jump elimination:
740 // The last label to be bound to _binding_pos, if unbound. 742 // The last label to be bound to _binding_pos, if unbound.
741 Label unbound_label_; 743 Label unbound_label_;
742 // The position to which _unbound_label has to be bound, if present. 744 // The position to which _unbound_label has to be bound, if present.
743 int binding_pos_; 745 int binding_pos_;
744 // The position before which jumps cannot be eliminated. 746 // The position before which jumps cannot be eliminated.
745 int last_bound_pos_; 747 int last_bound_pos_;
746 748
747 // source position information 749 // source position information
748 int last_statement_position_;
749 int last_position_; 750 int last_position_;
751 bool last_position_is_statement_;
750 752
751 // Code emission 753 // Code emission
752 inline void CheckBuffer(); 754 inline void CheckBuffer();
753 void GrowBuffer(); 755 void GrowBuffer();
754 inline void emit(Instr x); 756 inline void emit(Instr x);
755 757
756 // Instruction generation 758 // Instruction generation
757 void addrmod1(Instr instr, Register rn, Register rd, const Operand& x); 759 void addrmod1(Instr instr, Register rn, Register rd, const Operand& x);
758 void addrmod2(Instr instr, Register rd, const MemOperand& x); 760 void addrmod2(Instr instr, Register rd, const MemOperand& x);
759 void addrmod3(Instr instr, Register rd, const MemOperand& x); 761 void addrmod3(Instr instr, Register rd, const MemOperand& x);
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774 776
775 // Block the emission of the constant pool before pc_offset 777 // Block the emission of the constant pool before pc_offset
776 void BlockConstPoolBefore(int pc_offset) { 778 void BlockConstPoolBefore(int pc_offset) {
777 if (no_const_pool_before_ < pc_offset) no_const_pool_before_ = pc_offset; 779 if (no_const_pool_before_ < pc_offset) no_const_pool_before_ = pc_offset;
778 } 780 }
779 }; 781 };
780 782
781 } } // namespace v8::internal 783 } } // namespace v8::internal
782 784
783 #endif // V8_ASSEMBLER_ARM_H_ 785 #endif // V8_ASSEMBLER_ARM_H_
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