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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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1574 inputs_[1] = key; | 1574 inputs_[1] = key; |
1575 } | 1575 } |
1576 LOperand* elements() { return inputs_[0]; } | 1576 LOperand* elements() { return inputs_[0]; } |
1577 LOperand* key() { return inputs_[1]; } | 1577 LOperand* key() { return inputs_[1]; } |
1578 ElementsKind elements_kind() const { | 1578 ElementsKind elements_kind() const { |
1579 return hydrogen()->elements_kind(); | 1579 return hydrogen()->elements_kind(); |
1580 } | 1580 } |
1581 bool is_external() const { | 1581 bool is_external() const { |
1582 return hydrogen()->is_external(); | 1582 return hydrogen()->is_external(); |
1583 } | 1583 } |
1584 bool is_fixed_typed_array() const { | |
1585 return hydrogen()->is_fixed_typed_array(); | |
1586 } | |
1587 bool is_typed_elements() const { | |
1588 return is_external() || is_fixed_typed_array(); | |
1589 } | |
1590 | 1584 |
1591 DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed") | 1585 DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed") |
1592 DECLARE_HYDROGEN_ACCESSOR(LoadKeyed) | 1586 DECLARE_HYDROGEN_ACCESSOR(LoadKeyed) |
1593 | 1587 |
1594 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; | 1588 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; |
1595 uint32_t additional_index() const { return hydrogen()->index_offset(); } | 1589 uint32_t additional_index() const { return hydrogen()->index_offset(); } |
1596 bool key_is_smi() { | 1590 bool key_is_smi() { |
1597 return hydrogen()->key()->representation().IsTagged(); | 1591 return hydrogen()->key()->representation().IsTagged(); |
1598 } | 1592 } |
1599 }; | 1593 }; |
1600 | 1594 |
1601 | 1595 |
1602 inline static bool ExternalArrayOpRequiresTemp( | 1596 inline static bool ExternalArrayOpRequiresTemp( |
1603 Representation key_representation, | 1597 Representation key_representation, |
1604 ElementsKind elements_kind) { | 1598 ElementsKind elements_kind) { |
1605 // Operations that require the key to be divided by two to be converted into | 1599 // Operations that require the key to be divided by two to be converted into |
1606 // an index cannot fold the scale operation into a load and need an extra | 1600 // an index cannot fold the scale operation into a load and need an extra |
1607 // temp register to do the work. | 1601 // temp register to do the work. |
1608 return key_representation.IsSmi() && | 1602 return key_representation.IsSmi() && |
1609 (elements_kind == EXTERNAL_BYTE_ELEMENTS || | 1603 (elements_kind == EXTERNAL_BYTE_ELEMENTS || |
1610 elements_kind == EXTERNAL_UNSIGNED_BYTE_ELEMENTS || | 1604 elements_kind == EXTERNAL_UNSIGNED_BYTE_ELEMENTS || |
1611 elements_kind == EXTERNAL_PIXEL_ELEMENTS || | 1605 elements_kind == EXTERNAL_PIXEL_ELEMENTS); |
1612 elements_kind == UINT8_ELEMENTS || | |
1613 elements_kind == INT8_ELEMENTS || | |
1614 elements_kind == UINT8_CLAMPED_ELEMENTS); | |
1615 } | 1606 } |
1616 | 1607 |
1617 | 1608 |
1618 class LLoadKeyedGeneric V8_FINAL : public LTemplateInstruction<1, 3, 0> { | 1609 class LLoadKeyedGeneric V8_FINAL : public LTemplateInstruction<1, 3, 0> { |
1619 public: | 1610 public: |
1620 LLoadKeyedGeneric(LOperand* context, LOperand* obj, LOperand* key) { | 1611 LLoadKeyedGeneric(LOperand* context, LOperand* obj, LOperand* key) { |
1621 inputs_[0] = context; | 1612 inputs_[0] = context; |
1622 inputs_[1] = obj; | 1613 inputs_[1] = obj; |
1623 inputs_[2] = key; | 1614 inputs_[2] = key; |
1624 } | 1615 } |
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2234 | 2225 |
2235 class LStoreKeyed V8_FINAL : public LTemplateInstruction<0, 3, 0> { | 2226 class LStoreKeyed V8_FINAL : public LTemplateInstruction<0, 3, 0> { |
2236 public: | 2227 public: |
2237 LStoreKeyed(LOperand* obj, LOperand* key, LOperand* val) { | 2228 LStoreKeyed(LOperand* obj, LOperand* key, LOperand* val) { |
2238 inputs_[0] = obj; | 2229 inputs_[0] = obj; |
2239 inputs_[1] = key; | 2230 inputs_[1] = key; |
2240 inputs_[2] = val; | 2231 inputs_[2] = val; |
2241 } | 2232 } |
2242 | 2233 |
2243 bool is_external() const { return hydrogen()->is_external(); } | 2234 bool is_external() const { return hydrogen()->is_external(); } |
2244 bool is_fixed_typed_array() const { | |
2245 return hydrogen()->is_fixed_typed_array(); | |
2246 } | |
2247 bool is_typed_elements() const { | |
2248 return is_external() || is_fixed_typed_array(); | |
2249 } | |
2250 LOperand* elements() { return inputs_[0]; } | 2235 LOperand* elements() { return inputs_[0]; } |
2251 LOperand* key() { return inputs_[1]; } | 2236 LOperand* key() { return inputs_[1]; } |
2252 LOperand* value() { return inputs_[2]; } | 2237 LOperand* value() { return inputs_[2]; } |
2253 ElementsKind elements_kind() const { | 2238 ElementsKind elements_kind() const { |
2254 return hydrogen()->elements_kind(); | 2239 return hydrogen()->elements_kind(); |
2255 } | 2240 } |
2256 | 2241 |
2257 DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed") | 2242 DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed") |
2258 DECLARE_HYDROGEN_ACCESSOR(StoreKeyed) | 2243 DECLARE_HYDROGEN_ACCESSOR(StoreKeyed) |
2259 | 2244 |
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2866 | 2851 |
2867 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2852 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2868 }; | 2853 }; |
2869 | 2854 |
2870 #undef DECLARE_HYDROGEN_ACCESSOR | 2855 #undef DECLARE_HYDROGEN_ACCESSOR |
2871 #undef DECLARE_CONCRETE_INSTRUCTION | 2856 #undef DECLARE_CONCRETE_INSTRUCTION |
2872 | 2857 |
2873 } } // namespace v8::internal | 2858 } } // namespace v8::internal |
2874 | 2859 |
2875 #endif // V8_IA32_LITHIUM_IA32_H_ | 2860 #endif // V8_IA32_LITHIUM_IA32_H_ |
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