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| 1 // Copyright 2008-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
| 11 // with the distribution. | 11 // with the distribution. |
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| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 | 28 |
| 29 #ifndef V8_BYTECODES_IRREGEXP_H_ | 29 #ifndef V8_BYTECODES_IRREGEXP_H_ |
| 30 #define V8_BYTECODES_IRREGEXP_H_ | 30 #define V8_BYTECODES_IRREGEXP_H_ |
| 31 | 31 |
| 32 namespace v8 { | 32 namespace v8 { |
| 33 namespace internal { | 33 namespace internal { |
| 34 | 34 |
| 35 | 35 |
| 36 static const int BYTECODE_MASK = 0xff; | 36 const int BYTECODE_MASK = 0xff; |
| 37 // The first argument is packed in with the byte code in one word, but so it | 37 // The first argument is packed in with the byte code in one word, but so it |
| 38 // has 24 bits, but it can be positive and negative so only use 23 bits for | 38 // has 24 bits, but it can be positive and negative so only use 23 bits for |
| 39 // positive values. | 39 // positive values. |
| 40 static const unsigned int MAX_FIRST_ARG = 0x7fffffu; | 40 const unsigned int MAX_FIRST_ARG = 0x7fffffu; |
| 41 static const int BYTECODE_SHIFT = 8; | 41 const int BYTECODE_SHIFT = 8; |
| 42 | 42 |
| 43 #define BYTECODE_ITERATOR(V) \ | 43 #define BYTECODE_ITERATOR(V) \ |
| 44 V(BREAK, 0, 4) /* bc8 */ \ | 44 V(BREAK, 0, 4) /* bc8 */ \ |
| 45 V(PUSH_CP, 1, 4) /* bc8 pad24 */ \ | 45 V(PUSH_CP, 1, 4) /* bc8 pad24 */ \ |
| 46 V(PUSH_BT, 2, 8) /* bc8 pad24 offset32 */ \ | 46 V(PUSH_BT, 2, 8) /* bc8 pad24 offset32 */ \ |
| 47 V(PUSH_REGISTER, 3, 4) /* bc8 reg_idx24 */ \ | 47 V(PUSH_REGISTER, 3, 4) /* bc8 reg_idx24 */ \ |
| 48 V(SET_REGISTER_TO_CP, 4, 8) /* bc8 reg_idx24 offset32 */ \ | 48 V(SET_REGISTER_TO_CP, 4, 8) /* bc8 reg_idx24 offset32 */ \ |
| 49 V(SET_CP_TO_REGISTER, 5, 4) /* bc8 reg_idx24 */ \ | 49 V(SET_CP_TO_REGISTER, 5, 4) /* bc8 reg_idx24 */ \ |
| 50 V(SET_REGISTER_TO_SP, 6, 4) /* bc8 reg_idx24 */ \ | 50 V(SET_REGISTER_TO_SP, 6, 4) /* bc8 reg_idx24 */ \ |
| 51 V(SET_SP_TO_REGISTER, 7, 4) /* bc8 reg_idx24 */ \ | 51 V(SET_SP_TO_REGISTER, 7, 4) /* bc8 reg_idx24 */ \ |
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| 96 BYTECODE_ITERATOR(DECLARE_BYTECODES) | 96 BYTECODE_ITERATOR(DECLARE_BYTECODES) |
| 97 #undef DECLARE_BYTECODES | 97 #undef DECLARE_BYTECODES |
| 98 | 98 |
| 99 #define DECLARE_BYTECODE_LENGTH(name, code, length) \ | 99 #define DECLARE_BYTECODE_LENGTH(name, code, length) \ |
| 100 static const int BC_##name##_LENGTH = length; | 100 static const int BC_##name##_LENGTH = length; |
| 101 BYTECODE_ITERATOR(DECLARE_BYTECODE_LENGTH) | 101 BYTECODE_ITERATOR(DECLARE_BYTECODE_LENGTH) |
| 102 #undef DECLARE_BYTECODE_LENGTH | 102 #undef DECLARE_BYTECODE_LENGTH |
| 103 } } | 103 } } |
| 104 | 104 |
| 105 #endif // V8_BYTECODES_IRREGEXP_H_ | 105 #endif // V8_BYTECODES_IRREGEXP_H_ |
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