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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_HYDROGEN_INSTRUCTIONS_H_ | 5 #ifndef V8_HYDROGEN_INSTRUCTIONS_H_ |
6 #define V8_HYDROGEN_INSTRUCTIONS_H_ | 6 #define V8_HYDROGEN_INSTRUCTIONS_H_ |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/allocation.h" | 10 #include "src/allocation.h" |
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2599 | 2599 |
2600 virtual OStream& PrintDataTo(OStream& os) const V8_OVERRIDE; // NOLINT | 2600 virtual OStream& PrintDataTo(OStream& os) const V8_OVERRIDE; // NOLINT |
2601 | 2601 |
2602 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { | 2602 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { |
2603 if (index == 0) { | 2603 if (index == 0) { |
2604 return Representation::Tagged(); | 2604 return Representation::Tagged(); |
2605 } else { | 2605 } else { |
2606 switch (op_) { | 2606 switch (op_) { |
2607 case kMathFloor: | 2607 case kMathFloor: |
2608 case kMathRound: | 2608 case kMathRound: |
| 2609 case kMathFround: |
2609 case kMathSqrt: | 2610 case kMathSqrt: |
2610 case kMathPowHalf: | 2611 case kMathPowHalf: |
2611 case kMathLog: | 2612 case kMathLog: |
2612 case kMathExp: | 2613 case kMathExp: |
2613 return Representation::Double(); | 2614 return Representation::Double(); |
2614 case kMathAbs: | 2615 case kMathAbs: |
2615 return representation(); | 2616 return representation(); |
2616 case kMathClz32: | 2617 case kMathClz32: |
2617 return Representation::Integer32(); | 2618 return Representation::Integer32(); |
2618 default: | 2619 default: |
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2665 case kMathClz32: | 2666 case kMathClz32: |
2666 set_representation(Representation::Integer32()); | 2667 set_representation(Representation::Integer32()); |
2667 break; | 2668 break; |
2668 case kMathAbs: | 2669 case kMathAbs: |
2669 // Not setting representation here: it is None intentionally. | 2670 // Not setting representation here: it is None intentionally. |
2670 SetFlag(kFlexibleRepresentation); | 2671 SetFlag(kFlexibleRepresentation); |
2671 // TODO(svenpanne) This flag is actually only needed if representation() | 2672 // TODO(svenpanne) This flag is actually only needed if representation() |
2672 // is tagged, and not when it is an unboxed double or unboxed integer. | 2673 // is tagged, and not when it is an unboxed double or unboxed integer. |
2673 SetChangesFlag(kNewSpacePromotion); | 2674 SetChangesFlag(kNewSpacePromotion); |
2674 break; | 2675 break; |
| 2676 case kMathFround: |
2675 case kMathLog: | 2677 case kMathLog: |
2676 case kMathExp: | 2678 case kMathExp: |
2677 case kMathSqrt: | 2679 case kMathSqrt: |
2678 case kMathPowHalf: | 2680 case kMathPowHalf: |
2679 set_representation(Representation::Double()); | 2681 set_representation(Representation::Double()); |
2680 break; | 2682 break; |
2681 default: | 2683 default: |
2682 UNREACHABLE(); | 2684 UNREACHABLE(); |
2683 } | 2685 } |
2684 SetFlag(kUseGVN); | 2686 SetFlag(kUseGVN); |
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7855 }; | 7857 }; |
7856 | 7858 |
7857 | 7859 |
7858 | 7860 |
7859 #undef DECLARE_INSTRUCTION | 7861 #undef DECLARE_INSTRUCTION |
7860 #undef DECLARE_CONCRETE_INSTRUCTION | 7862 #undef DECLARE_CONCRETE_INSTRUCTION |
7861 | 7863 |
7862 } } // namespace v8::internal | 7864 } } // namespace v8::internal |
7863 | 7865 |
7864 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 7866 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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