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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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417 explicit ExternalReference(void* address) | 417 explicit ExternalReference(void* address) |
418 : address_(reinterpret_cast<Address>(address)) {} | 418 : address_(reinterpret_cast<Address>(address)) {} |
419 | 419 |
420 Address address_; | 420 Address address_; |
421 }; | 421 }; |
422 | 422 |
423 | 423 |
424 // ----------------------------------------------------------------------------- | 424 // ----------------------------------------------------------------------------- |
425 // Utility functions | 425 // Utility functions |
426 | 426 |
427 // Move these into inline file? | |
428 | |
429 static inline bool is_intn(int x, int n) { | 427 static inline bool is_intn(int x, int n) { |
430 return -(1 << (n-1)) <= x && x < (1 << (n-1)); | 428 return -(1 << (n-1)) <= x && x < (1 << (n-1)); |
431 } | 429 } |
432 | 430 |
433 static inline bool is_int24(int x) { return is_intn(x, 24); } | 431 static inline bool is_int24(int x) { return is_intn(x, 24); } |
434 static inline bool is_int8(int x) { return is_intn(x, 8); } | 432 static inline bool is_int8(int x) { return is_intn(x, 8); } |
435 | 433 |
436 static inline bool is_uintn(int x, int n) { | 434 static inline bool is_uintn(int x, int n) { |
437 return (x & -(1 << n)) == 0; | 435 return (x & -(1 << n)) == 0; |
438 } | 436 } |
439 | 437 |
440 static inline bool is_uint2(int x) { return is_uintn(x, 2); } | 438 static inline bool is_uint2(int x) { return is_uintn(x, 2); } |
441 static inline bool is_uint3(int x) { return is_uintn(x, 3); } | 439 static inline bool is_uint3(int x) { return is_uintn(x, 3); } |
442 static inline bool is_uint4(int x) { return is_uintn(x, 4); } | 440 static inline bool is_uint4(int x) { return is_uintn(x, 4); } |
443 static inline bool is_uint5(int x) { return is_uintn(x, 5); } | 441 static inline bool is_uint5(int x) { return is_uintn(x, 5); } |
444 static inline bool is_uint8(int x) { return is_uintn(x, 8); } | 442 static inline bool is_uint8(int x) { return is_uintn(x, 8); } |
445 static inline bool is_uint12(int x) { return is_uintn(x, 12); } | 443 static inline bool is_uint12(int x) { return is_uintn(x, 12); } |
446 static inline bool is_uint16(int x) { return is_uintn(x, 16); } | 444 static inline bool is_uint16(int x) { return is_uintn(x, 16); } |
447 static inline bool is_uint24(int x) { return is_uintn(x, 24); } | 445 static inline bool is_uint24(int x) { return is_uintn(x, 24); } |
448 | 446 |
449 } } // namespace v8::internal | 447 } } // namespace v8::internal |
450 | 448 |
451 #endif // V8_ASSEMBLER_H_ | 449 #endif // V8_ASSEMBLER_H_ |
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