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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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1373 case kMathRound: | 1373 case kMathRound: |
1374 case kMathCeil: | 1374 case kMathCeil: |
1375 set_representation(Representation::Integer32()); | 1375 set_representation(Representation::Integer32()); |
1376 break; | 1376 break; |
1377 case kMathAbs: | 1377 case kMathAbs: |
1378 set_representation(Representation::Tagged()); | 1378 set_representation(Representation::Tagged()); |
1379 SetFlag(kFlexibleRepresentation); | 1379 SetFlag(kFlexibleRepresentation); |
1380 break; | 1380 break; |
1381 case kMathSqrt: | 1381 case kMathSqrt: |
1382 case kMathPowHalf: | 1382 case kMathPowHalf: |
1383 case kMathLog: | |
1384 default: | 1383 default: |
1385 set_representation(Representation::Double()); | 1384 set_representation(Representation::Double()); |
1386 } | 1385 } |
1387 SetFlag(kUseGVN); | 1386 SetFlag(kUseGVN); |
1388 } | 1387 } |
1389 | 1388 |
1390 virtual void PrintDataTo(StringStream* stream) const; | 1389 virtual void PrintDataTo(StringStream* stream) const; |
1391 | 1390 |
1392 virtual HType CalculateInferredType() const; | 1391 virtual HType CalculateInferredType() const; |
1393 | 1392 |
1394 virtual HValue* EnsureAndPropagateNotMinusZero(BitVector* visited); | 1393 virtual HValue* EnsureAndPropagateNotMinusZero(BitVector* visited); |
1395 | 1394 |
1396 virtual Representation RequiredInputRepresentation(int index) const { | 1395 virtual Representation RequiredInputRepresentation(int index) const { |
1397 switch (op_) { | 1396 switch (op_) { |
1398 case kMathFloor: | 1397 case kMathFloor: |
1399 case kMathRound: | 1398 case kMathRound: |
1400 case kMathCeil: | 1399 case kMathCeil: |
1401 case kMathSqrt: | 1400 case kMathSqrt: |
1402 case kMathPowHalf: | 1401 case kMathPowHalf: |
1403 case kMathLog: | |
1404 return Representation::Double(); | 1402 return Representation::Double(); |
1405 break; | 1403 break; |
1406 case kMathAbs: | 1404 case kMathAbs: |
1407 return representation(); | 1405 return representation(); |
1408 break; | 1406 break; |
1409 default: | 1407 default: |
1410 return Representation::None(); | 1408 return Representation::None(); |
1411 } | 1409 } |
1412 } | 1410 } |
1413 | 1411 |
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2898 HValue* object() const { return left(); } | 2896 HValue* object() const { return left(); } |
2899 HValue* key() const { return right(); } | 2897 HValue* key() const { return right(); } |
2900 }; | 2898 }; |
2901 | 2899 |
2902 #undef DECLARE_INSTRUCTION | 2900 #undef DECLARE_INSTRUCTION |
2903 #undef DECLARE_CONCRETE_INSTRUCTION | 2901 #undef DECLARE_CONCRETE_INSTRUCTION |
2904 | 2902 |
2905 } } // namespace v8::internal | 2903 } } // namespace v8::internal |
2906 | 2904 |
2907 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 2905 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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