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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_IA32_LITHIUM_IA32_H_ | 5 #ifndef V8_IA32_LITHIUM_IA32_H_ |
6 #define V8_IA32_LITHIUM_IA32_H_ | 6 #define V8_IA32_LITHIUM_IA32_H_ |
7 | 7 |
8 #include "src/hydrogen.h" | 8 #include "src/hydrogen.h" |
9 #include "src/lithium.h" | 9 #include "src/lithium.h" |
10 #include "src/lithium-allocator.h" | 10 #include "src/lithium-allocator.h" |
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1634 public: | 1634 public: |
1635 LLoadKeyed(LOperand* elements, LOperand* key) { | 1635 LLoadKeyed(LOperand* elements, LOperand* key) { |
1636 inputs_[0] = elements; | 1636 inputs_[0] = elements; |
1637 inputs_[1] = key; | 1637 inputs_[1] = key; |
1638 } | 1638 } |
1639 LOperand* elements() { return inputs_[0]; } | 1639 LOperand* elements() { return inputs_[0]; } |
1640 LOperand* key() { return inputs_[1]; } | 1640 LOperand* key() { return inputs_[1]; } |
1641 ElementsKind elements_kind() const { | 1641 ElementsKind elements_kind() const { |
1642 return hydrogen()->elements_kind(); | 1642 return hydrogen()->elements_kind(); |
1643 } | 1643 } |
1644 bool is_external() const { | |
1645 return hydrogen()->is_external(); | |
1646 } | |
1647 bool is_fixed_typed_array() const { | 1644 bool is_fixed_typed_array() const { |
1648 return hydrogen()->is_fixed_typed_array(); | 1645 return hydrogen()->is_fixed_typed_array(); |
1649 } | 1646 } |
1650 bool is_typed_elements() const { | |
1651 return is_external() || is_fixed_typed_array(); | |
1652 } | |
1653 | 1647 |
1654 DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed") | 1648 DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed") |
1655 DECLARE_HYDROGEN_ACCESSOR(LoadKeyed) | 1649 DECLARE_HYDROGEN_ACCESSOR(LoadKeyed) |
1656 | 1650 |
1657 void PrintDataTo(StringStream* stream) override; | 1651 void PrintDataTo(StringStream* stream) override; |
1658 uint32_t base_offset() const { return hydrogen()->base_offset(); } | 1652 uint32_t base_offset() const { return hydrogen()->base_offset(); } |
1659 bool key_is_smi() { | 1653 bool key_is_smi() { |
1660 return hydrogen()->key()->representation().IsTagged(); | 1654 return hydrogen()->key()->representation().IsTagged(); |
1661 } | 1655 } |
1662 }; | 1656 }; |
1663 | 1657 |
1664 | 1658 |
1665 inline static bool ExternalArrayOpRequiresTemp( | 1659 inline static bool ExternalArrayOpRequiresTemp( |
1666 Representation key_representation, | 1660 Representation key_representation, |
1667 ElementsKind elements_kind) { | 1661 ElementsKind elements_kind) { |
1668 // Operations that require the key to be divided by two to be converted into | 1662 // Operations that require the key to be divided by two to be converted into |
1669 // an index cannot fold the scale operation into a load and need an extra | 1663 // an index cannot fold the scale operation into a load and need an extra |
1670 // temp register to do the work. | 1664 // temp register to do the work. |
1671 return key_representation.IsSmi() && | 1665 return key_representation.IsSmi() && |
1672 (elements_kind == EXTERNAL_INT8_ELEMENTS || | 1666 (elements_kind == UINT8_ELEMENTS || elements_kind == INT8_ELEMENTS || |
1673 elements_kind == EXTERNAL_UINT8_ELEMENTS || | 1667 elements_kind == UINT8_CLAMPED_ELEMENTS); |
1674 elements_kind == EXTERNAL_UINT8_CLAMPED_ELEMENTS || | |
1675 elements_kind == UINT8_ELEMENTS || | |
1676 elements_kind == INT8_ELEMENTS || | |
1677 elements_kind == UINT8_CLAMPED_ELEMENTS); | |
1678 } | 1668 } |
1679 | 1669 |
1680 | 1670 |
1681 class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> { | 1671 class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> { |
1682 public: | 1672 public: |
1683 LLoadKeyedGeneric(LOperand* context, LOperand* obj, LOperand* key, | 1673 LLoadKeyedGeneric(LOperand* context, LOperand* obj, LOperand* key, |
1684 LOperand* vector) { | 1674 LOperand* vector) { |
1685 inputs_[0] = context; | 1675 inputs_[0] = context; |
1686 inputs_[1] = obj; | 1676 inputs_[1] = obj; |
1687 inputs_[2] = key; | 1677 inputs_[2] = key; |
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2250 | 2240 |
2251 | 2241 |
2252 class LStoreKeyed final : public LTemplateInstruction<0, 3, 0> { | 2242 class LStoreKeyed final : public LTemplateInstruction<0, 3, 0> { |
2253 public: | 2243 public: |
2254 LStoreKeyed(LOperand* obj, LOperand* key, LOperand* val) { | 2244 LStoreKeyed(LOperand* obj, LOperand* key, LOperand* val) { |
2255 inputs_[0] = obj; | 2245 inputs_[0] = obj; |
2256 inputs_[1] = key; | 2246 inputs_[1] = key; |
2257 inputs_[2] = val; | 2247 inputs_[2] = val; |
2258 } | 2248 } |
2259 | 2249 |
2260 bool is_external() const { return hydrogen()->is_external(); } | |
2261 bool is_fixed_typed_array() const { | 2250 bool is_fixed_typed_array() const { |
2262 return hydrogen()->is_fixed_typed_array(); | 2251 return hydrogen()->is_fixed_typed_array(); |
2263 } | 2252 } |
2264 bool is_typed_elements() const { | |
2265 return is_external() || is_fixed_typed_array(); | |
2266 } | |
2267 LOperand* elements() { return inputs_[0]; } | 2253 LOperand* elements() { return inputs_[0]; } |
2268 LOperand* key() { return inputs_[1]; } | 2254 LOperand* key() { return inputs_[1]; } |
2269 LOperand* value() { return inputs_[2]; } | 2255 LOperand* value() { return inputs_[2]; } |
2270 ElementsKind elements_kind() const { | 2256 ElementsKind elements_kind() const { |
2271 return hydrogen()->elements_kind(); | 2257 return hydrogen()->elements_kind(); |
2272 } | 2258 } |
2273 | 2259 |
2274 DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed") | 2260 DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed") |
2275 DECLARE_HYDROGEN_ACCESSOR(StoreKeyed) | 2261 DECLARE_HYDROGEN_ACCESSOR(StoreKeyed) |
2276 | 2262 |
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2930 | 2916 |
2931 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2917 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2932 }; | 2918 }; |
2933 | 2919 |
2934 #undef DECLARE_HYDROGEN_ACCESSOR | 2920 #undef DECLARE_HYDROGEN_ACCESSOR |
2935 #undef DECLARE_CONCRETE_INSTRUCTION | 2921 #undef DECLARE_CONCRETE_INSTRUCTION |
2936 | 2922 |
2937 } } // namespace v8::internal | 2923 } } // namespace v8::internal |
2938 | 2924 |
2939 #endif // V8_IA32_LITHIUM_IA32_H_ | 2925 #endif // V8_IA32_LITHIUM_IA32_H_ |
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