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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 // 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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1589 } | 1589 } |
1590 }; | 1590 }; |
1591 | 1591 |
1592 | 1592 |
1593 inline static bool ExternalArrayOpRequiresTemp( | 1593 inline static bool ExternalArrayOpRequiresTemp( |
1594 Representation key_representation, | 1594 Representation key_representation, |
1595 ElementsKind elements_kind) { | 1595 ElementsKind elements_kind) { |
1596 // Operations that require the key to be divided by two to be converted into | 1596 // Operations that require the key to be divided by two to be converted into |
1597 // an index cannot fold the scale operation into a load and need an extra | 1597 // an index cannot fold the scale operation into a load and need an extra |
1598 // temp register to do the work. | 1598 // temp register to do the work. |
1599 return key_representation.IsTagged() && | 1599 return key_representation.IsSmi() && |
1600 (elements_kind == EXTERNAL_BYTE_ELEMENTS || | 1600 (elements_kind == EXTERNAL_BYTE_ELEMENTS || |
1601 elements_kind == EXTERNAL_UNSIGNED_BYTE_ELEMENTS || | 1601 elements_kind == EXTERNAL_UNSIGNED_BYTE_ELEMENTS || |
1602 elements_kind == EXTERNAL_PIXEL_ELEMENTS); | 1602 elements_kind == EXTERNAL_PIXEL_ELEMENTS); |
1603 } | 1603 } |
1604 | 1604 |
1605 | 1605 |
1606 class LLoadKeyedGeneric: public LTemplateInstruction<1, 3, 0> { | 1606 class LLoadKeyedGeneric: public LTemplateInstruction<1, 3, 0> { |
1607 public: | 1607 public: |
1608 LLoadKeyedGeneric(LOperand* context, LOperand* obj, LOperand* key) { | 1608 LLoadKeyedGeneric(LOperand* context, LOperand* obj, LOperand* key) { |
1609 inputs_[0] = context; | 1609 inputs_[0] = context; |
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2987 | 2987 |
2988 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2988 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2989 }; | 2989 }; |
2990 | 2990 |
2991 #undef DECLARE_HYDROGEN_ACCESSOR | 2991 #undef DECLARE_HYDROGEN_ACCESSOR |
2992 #undef DECLARE_CONCRETE_INSTRUCTION | 2992 #undef DECLARE_CONCRETE_INSTRUCTION |
2993 | 2993 |
2994 } } // namespace v8::internal | 2994 } } // namespace v8::internal |
2995 | 2995 |
2996 #endif // V8_IA32_LITHIUM_IA32_H_ | 2996 #endif // V8_IA32_LITHIUM_IA32_H_ |
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