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

Issue 6342019: ARM: Initial type recording binary operation stub... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 11 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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712 bool generating_stub() { return generating_stub_; } 712 bool generating_stub() { return generating_stub_; }
713 void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; } 713 void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; }
714 bool allow_stub_calls() { return allow_stub_calls_; } 714 bool allow_stub_calls() { return allow_stub_calls_; }
715 715
716 // --------------------------------------------------------------------------- 716 // ---------------------------------------------------------------------------
717 // Smi utilities 717 // Smi utilities
718 718
719 void SmiTag(Register reg, SBit s = LeaveCC) { 719 void SmiTag(Register reg, SBit s = LeaveCC) {
720 add(reg, reg, Operand(reg), s); 720 add(reg, reg, Operand(reg), s);
721 } 721 }
722 void SmiTag(Register dst, Register src, SBit s = LeaveCC) {
723 add(dst, src, Operand(src), s);
724 }
722 725
723 // Try to convert int32 to smi. If the value is to large, preserve 726 // Try to convert int32 to smi. If the value is to large, preserve
724 // the original value and jump to not_a_smi. Destroys scratch and 727 // the original value and jump to not_a_smi. Destroys scratch and
725 // sets flags. 728 // sets flags.
726 void TrySmiTag(Register reg, Label* not_a_smi, Register scratch) { 729 void TrySmiTag(Register reg, Label* not_a_smi, Register scratch) {
727 mov(scratch, reg); 730 mov(scratch, reg);
728 SmiTag(scratch, SetCC); 731 SmiTag(scratch, SetCC);
729 b(vs, not_a_smi); 732 b(vs, not_a_smi);
730 mov(reg, scratch); 733 mov(reg, scratch);
731 } 734 }
732 735
733 void SmiUntag(Register reg) { 736 void SmiUntag(Register reg) {
734 mov(reg, Operand(reg, ASR, kSmiTagSize)); 737 mov(reg, Operand(reg, ASR, kSmiTagSize));
735 } 738 }
739 void SmiUntag(Register dst, Register src) {
740 mov(dst, Operand(src, ASR, kSmiTagSize));
741 }
736 742
737 // Jump if either of the registers contain a non-smi. 743 // Jump if either of the registers contain a non-smi.
738 void JumpIfNotBothSmi(Register reg1, Register reg2, Label* on_not_both_smi); 744 void JumpIfNotBothSmi(Register reg1, Register reg2, Label* on_not_both_smi);
739 // Jump if either of the registers contain a smi. 745 // Jump if either of the registers contain a smi.
740 void JumpIfEitherSmi(Register reg1, Register reg2, Label* on_either_smi); 746 void JumpIfEitherSmi(Register reg1, Register reg2, Label* on_either_smi);
741 747
742 // Abort execution if argument is a smi. Used in debug code. 748 // Abort execution if argument is a smi. Used in debug code.
743 void AbortIfSmi(Register object); 749 void AbortIfSmi(Register object);
744 void AbortIfNotSmi(Register object); 750 void AbortIfNotSmi(Register object);
745 751
746 // --------------------------------------------------------------------------- 752 // ---------------------------------------------------------------------------
753 // HeapNumber utilities
754
755 void JumpIfNotHeapNumber(Register object,
756 Register heap_number_map,
757 Register scratch,
758 Label* on_not_heap_number);
759
760 // ---------------------------------------------------------------------------
747 // String utilities 761 // String utilities
748 762
749 // Checks if both objects are sequential ASCII strings and jumps to label 763 // Checks if both objects are sequential ASCII strings and jumps to label
750 // if either is not. Assumes that neither object is a smi. 764 // if either is not. Assumes that neither object is a smi.
751 void JumpIfNonSmisNotBothSequentialAsciiStrings(Register object1, 765 void JumpIfNonSmisNotBothSequentialAsciiStrings(Register object1,
752 Register object2, 766 Register object2,
753 Register scratch1, 767 Register scratch1,
754 Register scratch2, 768 Register scratch2,
755 Label* failure); 769 Label* failure);
756 770
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876 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) 890 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
877 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> 891 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
878 #else 892 #else
879 #define ACCESS_MASM(masm) masm-> 893 #define ACCESS_MASM(masm) masm->
880 #endif 894 #endif
881 895
882 896
883 } } // namespace v8::internal 897 } } // namespace v8::internal
884 898
885 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ 899 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_
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