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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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78 } | 78 } |
79 void link_to(int pos) { | 79 void link_to(int pos) { |
80 pos_ = pos + 1; | 80 pos_ = pos + 1; |
81 ASSERT(is_linked()); | 81 ASSERT(is_linked()); |
82 } | 82 } |
83 | 83 |
84 friend class Assembler; | 84 friend class Assembler; |
85 friend class RegexpAssembler; | 85 friend class RegexpAssembler; |
86 friend class Displacement; | 86 friend class Displacement; |
87 friend class LabelShadow; | 87 friend class LabelShadow; |
88 friend class IrregexpAssembler; | 88 friend class RegExpMacroAssemblerIrregexp; |
89 }; | 89 }; |
90 | 90 |
91 | 91 |
92 // A LabelShadow represents a label that is temporarily shadowed by another | 92 // A LabelShadow represents a label that is temporarily shadowed by another |
93 // label (represented by the original label during shadowing). They are used | 93 // label (represented by the original label during shadowing). They are used |
94 // to catch jumps to labels in certain contexts, e.g. try blocks. After | 94 // to catch jumps to labels in certain contexts, e.g. try blocks. After |
95 // shadowing ends, the formerly shadowed label is again represented by the | 95 // shadowing ends, the formerly shadowed label is again represented by the |
96 // original label and the LabelShadow can be used as a label in its own | 96 // original label and the LabelShadow can be used as a label in its own |
97 // right, representing the formerly shadowing label. | 97 // right, representing the formerly shadowing label. |
98 class LabelShadow : public Label { | 98 class LabelShadow : public Label { |
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470 static inline bool is_uint4(int x) { return is_uintn(x, 4); } | 470 static inline bool is_uint4(int x) { return is_uintn(x, 4); } |
471 static inline bool is_uint5(int x) { return is_uintn(x, 5); } | 471 static inline bool is_uint5(int x) { return is_uintn(x, 5); } |
472 static inline bool is_uint8(int x) { return is_uintn(x, 8); } | 472 static inline bool is_uint8(int x) { return is_uintn(x, 8); } |
473 static inline bool is_uint12(int x) { return is_uintn(x, 12); } | 473 static inline bool is_uint12(int x) { return is_uintn(x, 12); } |
474 static inline bool is_uint16(int x) { return is_uintn(x, 16); } | 474 static inline bool is_uint16(int x) { return is_uintn(x, 16); } |
475 static inline bool is_uint24(int x) { return is_uintn(x, 24); } | 475 static inline bool is_uint24(int x) { return is_uintn(x, 24); } |
476 | 476 |
477 } } // namespace v8::internal | 477 } } // namespace v8::internal |
478 | 478 |
479 #endif // V8_ASSEMBLER_H_ | 479 #endif // V8_ASSEMBLER_H_ |
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