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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 <cstring> | 8 #include <cstring> |
| 9 #include <iosfwd> | 9 #include <iosfwd> |
| 10 | 10 |
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| 975 // In the second case it points to an array which contains instruction's | 975 // In the second case it points to an array which contains instruction's |
| 976 // position and operands' positions. | 976 // position and operands' positions. |
| 977 class HPositionInfo { | 977 class HPositionInfo { |
| 978 public: | 978 public: |
| 979 explicit HPositionInfo(int pos) : data_(TagPosition(pos)) { } | 979 explicit HPositionInfo(int pos) : data_(TagPosition(pos)) { } |
| 980 | 980 |
| 981 SourcePosition position() const { | 981 SourcePosition position() const { |
| 982 if (has_operand_positions()) { | 982 if (has_operand_positions()) { |
| 983 return operand_positions()[kInstructionPosIndex]; | 983 return operand_positions()[kInstructionPosIndex]; |
| 984 } | 984 } |
| 985 return SourcePosition(static_cast<int>(UntagPosition(data_))); | 985 return SourcePosition::FromRaw(static_cast<int>(UntagPosition(data_))); |
| 986 } | 986 } |
| 987 | 987 |
| 988 void set_position(SourcePosition pos) { | 988 void set_position(SourcePosition pos) { |
| 989 if (has_operand_positions()) { | 989 if (has_operand_positions()) { |
| 990 operand_positions()[kInstructionPosIndex] = pos; | 990 operand_positions()[kInstructionPosIndex] = pos; |
| 991 } else { | 991 } else { |
| 992 data_ = TagPosition(pos.raw()); | 992 data_ = TagPosition(pos.raw()); |
| 993 } | 993 } |
| 994 } | 994 } |
| 995 | 995 |
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| 7964 }; | 7964 }; |
| 7965 | 7965 |
| 7966 | 7966 |
| 7967 | 7967 |
| 7968 #undef DECLARE_INSTRUCTION | 7968 #undef DECLARE_INSTRUCTION |
| 7969 #undef DECLARE_CONCRETE_INSTRUCTION | 7969 #undef DECLARE_CONCRETE_INSTRUCTION |
| 7970 | 7970 |
| 7971 } } // namespace v8::internal | 7971 } } // namespace v8::internal |
| 7972 | 7972 |
| 7973 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 7973 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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