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Side by Side Diff: src/mips/constants-mips.h

Issue 430503007: Rename ASSERT* to DCHECK*. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE and fixes Created 6 years, 4 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_MIPS_CONSTANTS_H_ 5 #ifndef V8_MIPS_CONSTANTS_H_
6 #define V8_MIPS_CONSTANTS_H_ 6 #define V8_MIPS_CONSTANTS_H_
7 7
8 // UNIMPLEMENTED_ macro for MIPS. 8 // UNIMPLEMENTED_ macro for MIPS.
9 #ifdef DEBUG 9 #ifdef DEBUG
10 #define UNIMPLEMENTED_MIPS() \ 10 #define UNIMPLEMENTED_MIPS() \
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492 492
493 cc_default = kNoCondition 493 cc_default = kNoCondition
494 }; 494 };
495 495
496 496
497 // Returns the equivalent of !cc. 497 // Returns the equivalent of !cc.
498 // Negation of the default kNoCondition (-1) results in a non-default 498 // Negation of the default kNoCondition (-1) results in a non-default
499 // no_condition value (-2). As long as tests for no_condition check 499 // no_condition value (-2). As long as tests for no_condition check
500 // for condition < 0, this will work as expected. 500 // for condition < 0, this will work as expected.
501 inline Condition NegateCondition(Condition cc) { 501 inline Condition NegateCondition(Condition cc) {
502 ASSERT(cc != cc_always); 502 DCHECK(cc != cc_always);
503 return static_cast<Condition>(cc ^ 1); 503 return static_cast<Condition>(cc ^ 1);
504 } 504 }
505 505
506 506
507 // Commute a condition such that {a cond b == b cond' a}. 507 // Commute a condition such that {a cond b == b cond' a}.
508 inline Condition CommuteCondition(Condition cc) { 508 inline Condition CommuteCondition(Condition cc) {
509 switch (cc) { 509 switch (cc) {
510 case Uless: 510 case Uless:
511 return Ugreater; 511 return Ugreater;
512 case Ugreater: 512 case Ugreater:
(...skipping 140 matching lines...) Expand 10 before | Expand all | Expand 10 after
653 Type InstructionType() const; 653 Type InstructionType() const;
654 654
655 655
656 // Accessors for the different named fields used in the MIPS encoding. 656 // Accessors for the different named fields used in the MIPS encoding.
657 inline Opcode OpcodeValue() const { 657 inline Opcode OpcodeValue() const {
658 return static_cast<Opcode>( 658 return static_cast<Opcode>(
659 Bits(kOpcodeShift + kOpcodeBits - 1, kOpcodeShift)); 659 Bits(kOpcodeShift + kOpcodeBits - 1, kOpcodeShift));
660 } 660 }
661 661
662 inline int RsValue() const { 662 inline int RsValue() const {
663 ASSERT(InstructionType() == kRegisterType || 663 DCHECK(InstructionType() == kRegisterType ||
664 InstructionType() == kImmediateType); 664 InstructionType() == kImmediateType);
665 return Bits(kRsShift + kRsBits - 1, kRsShift); 665 return Bits(kRsShift + kRsBits - 1, kRsShift);
666 } 666 }
667 667
668 inline int RtValue() const { 668 inline int RtValue() const {
669 ASSERT(InstructionType() == kRegisterType || 669 DCHECK(InstructionType() == kRegisterType ||
670 InstructionType() == kImmediateType); 670 InstructionType() == kImmediateType);
671 return Bits(kRtShift + kRtBits - 1, kRtShift); 671 return Bits(kRtShift + kRtBits - 1, kRtShift);
672 } 672 }
673 673
674 inline int RdValue() const { 674 inline int RdValue() const {
675 ASSERT(InstructionType() == kRegisterType); 675 DCHECK(InstructionType() == kRegisterType);
676 return Bits(kRdShift + kRdBits - 1, kRdShift); 676 return Bits(kRdShift + kRdBits - 1, kRdShift);
677 } 677 }
678 678
679 inline int SaValue() const { 679 inline int SaValue() const {
680 ASSERT(InstructionType() == kRegisterType); 680 DCHECK(InstructionType() == kRegisterType);
681 return Bits(kSaShift + kSaBits - 1, kSaShift); 681 return Bits(kSaShift + kSaBits - 1, kSaShift);
682 } 682 }
683 683
684 inline int FunctionValue() const { 684 inline int FunctionValue() const {
685 ASSERT(InstructionType() == kRegisterType || 685 DCHECK(InstructionType() == kRegisterType ||
686 InstructionType() == kImmediateType); 686 InstructionType() == kImmediateType);
687 return Bits(kFunctionShift + kFunctionBits - 1, kFunctionShift); 687 return Bits(kFunctionShift + kFunctionBits - 1, kFunctionShift);
688 } 688 }
689 689
690 inline int FdValue() const { 690 inline int FdValue() const {
691 return Bits(kFdShift + kFdBits - 1, kFdShift); 691 return Bits(kFdShift + kFdBits - 1, kFdShift);
692 } 692 }
693 693
694 inline int FsValue() const { 694 inline int FsValue() const {
695 return Bits(kFsShift + kFsBits - 1, kFsShift); 695 return Bits(kFsShift + kFsBits - 1, kFsShift);
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717 inline int FBtrueValue() const { 717 inline int FBtrueValue() const {
718 return Bits(kFBtrueShift + kFBtrueBits - 1, kFBtrueShift); 718 return Bits(kFBtrueShift + kFBtrueBits - 1, kFBtrueShift);
719 } 719 }
720 720
721 // Return the fields at their original place in the instruction encoding. 721 // Return the fields at their original place in the instruction encoding.
722 inline Opcode OpcodeFieldRaw() const { 722 inline Opcode OpcodeFieldRaw() const {
723 return static_cast<Opcode>(InstructionBits() & kOpcodeMask); 723 return static_cast<Opcode>(InstructionBits() & kOpcodeMask);
724 } 724 }
725 725
726 inline int RsFieldRaw() const { 726 inline int RsFieldRaw() const {
727 ASSERT(InstructionType() == kRegisterType || 727 DCHECK(InstructionType() == kRegisterType ||
728 InstructionType() == kImmediateType); 728 InstructionType() == kImmediateType);
729 return InstructionBits() & kRsFieldMask; 729 return InstructionBits() & kRsFieldMask;
730 } 730 }
731 731
732 // Same as above function, but safe to call within InstructionType(). 732 // Same as above function, but safe to call within InstructionType().
733 inline int RsFieldRawNoAssert() const { 733 inline int RsFieldRawNoAssert() const {
734 return InstructionBits() & kRsFieldMask; 734 return InstructionBits() & kRsFieldMask;
735 } 735 }
736 736
737 inline int RtFieldRaw() const { 737 inline int RtFieldRaw() const {
738 ASSERT(InstructionType() == kRegisterType || 738 DCHECK(InstructionType() == kRegisterType ||
739 InstructionType() == kImmediateType); 739 InstructionType() == kImmediateType);
740 return InstructionBits() & kRtFieldMask; 740 return InstructionBits() & kRtFieldMask;
741 } 741 }
742 742
743 inline int RdFieldRaw() const { 743 inline int RdFieldRaw() const {
744 ASSERT(InstructionType() == kRegisterType); 744 DCHECK(InstructionType() == kRegisterType);
745 return InstructionBits() & kRdFieldMask; 745 return InstructionBits() & kRdFieldMask;
746 } 746 }
747 747
748 inline int SaFieldRaw() const { 748 inline int SaFieldRaw() const {
749 ASSERT(InstructionType() == kRegisterType); 749 DCHECK(InstructionType() == kRegisterType);
750 return InstructionBits() & kSaFieldMask; 750 return InstructionBits() & kSaFieldMask;
751 } 751 }
752 752
753 inline int FunctionFieldRaw() const { 753 inline int FunctionFieldRaw() const {
754 return InstructionBits() & kFunctionFieldMask; 754 return InstructionBits() & kFunctionFieldMask;
755 } 755 }
756 756
757 // Get the secondary field according to the opcode. 757 // Get the secondary field according to the opcode.
758 inline int SecondaryValue() const { 758 inline int SecondaryValue() const {
759 Opcode op = OpcodeFieldRaw(); 759 Opcode op = OpcodeFieldRaw();
760 switch (op) { 760 switch (op) {
761 case SPECIAL: 761 case SPECIAL:
762 case SPECIAL2: 762 case SPECIAL2:
763 return FunctionValue(); 763 return FunctionValue();
764 case COP1: 764 case COP1:
765 return RsValue(); 765 return RsValue();
766 case REGIMM: 766 case REGIMM:
767 return RtValue(); 767 return RtValue();
768 default: 768 default:
769 return NULLSF; 769 return NULLSF;
770 } 770 }
771 } 771 }
772 772
773 inline int32_t Imm16Value() const { 773 inline int32_t Imm16Value() const {
774 ASSERT(InstructionType() == kImmediateType); 774 DCHECK(InstructionType() == kImmediateType);
775 return Bits(kImm16Shift + kImm16Bits - 1, kImm16Shift); 775 return Bits(kImm16Shift + kImm16Bits - 1, kImm16Shift);
776 } 776 }
777 777
778 inline int32_t Imm26Value() const { 778 inline int32_t Imm26Value() const {
779 ASSERT(InstructionType() == kJumpType); 779 DCHECK(InstructionType() == kJumpType);
780 return Bits(kImm26Shift + kImm26Bits - 1, kImm26Shift); 780 return Bits(kImm26Shift + kImm26Bits - 1, kImm26Shift);
781 } 781 }
782 782
783 // Say if the instruction should not be used in a branch delay slot. 783 // Say if the instruction should not be used in a branch delay slot.
784 bool IsForbiddenInBranchDelay() const; 784 bool IsForbiddenInBranchDelay() const;
785 // Say if the instruction 'links'. e.g. jal, bal. 785 // Say if the instruction 'links'. e.g. jal, bal.
786 bool IsLinkingInstruction() const; 786 bool IsLinkingInstruction() const;
787 // Say if the instruction is a break or a trap. 787 // Say if the instruction is a break or a trap.
788 bool IsTrap() const; 788 bool IsTrap() const;
789 789
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810 // JS argument slots size. 810 // JS argument slots size.
811 const int kJSArgsSlotsSize = 0 * Instruction::kInstrSize; 811 const int kJSArgsSlotsSize = 0 * Instruction::kInstrSize;
812 // Assembly builtins argument slots size. 812 // Assembly builtins argument slots size.
813 const int kBArgsSlotsSize = 0 * Instruction::kInstrSize; 813 const int kBArgsSlotsSize = 0 * Instruction::kInstrSize;
814 814
815 const int kBranchReturnOffset = 2 * Instruction::kInstrSize; 815 const int kBranchReturnOffset = 2 * Instruction::kInstrSize;
816 816
817 } } // namespace v8::internal 817 } } // namespace v8::internal
818 818
819 #endif // #ifndef V8_MIPS_CONSTANTS_H_ 819 #endif // #ifndef V8_MIPS_CONSTANTS_H_
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