diff options
Diffstat (limited to '')
| -rw-r--r-- | src/lj_def.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lj_def.h b/src/lj_def.h index e458c89f..5e63da3e 100644 --- a/src/lj_def.h +++ b/src/lj_def.h | |||
| @@ -104,9 +104,10 @@ typedef unsigned int uintptr_t; | |||
| 104 | #define checku16(x) ((x) == (int32_t)(uint16_t)(x)) | 104 | #define checku16(x) ((x) == (int32_t)(uint16_t)(x)) |
| 105 | #define checki32(x) ((x) == (int32_t)(x)) | 105 | #define checki32(x) ((x) == (int32_t)(x)) |
| 106 | #define checku32(x) ((x) == (uint32_t)(x)) | 106 | #define checku32(x) ((x) == (uint32_t)(x)) |
| 107 | #define checkptr31(x) (((uint64_t)(uintptr_t)(x) >> 31) == 0) | ||
| 107 | #define checkptr32(x) ((uintptr_t)(x) == (uint32_t)(uintptr_t)(x)) | 108 | #define checkptr32(x) ((uintptr_t)(x) == (uint32_t)(uintptr_t)(x)) |
| 108 | #define checkptr47(x) (((uint64_t)(uintptr_t)(x) >> 47) == 0) | 109 | #define checkptr47(x) (((uint64_t)(uintptr_t)(x) >> 47) == 0) |
| 109 | #define checkptrGC(x) (LJ_GC64 ? checkptr47((x)) : LJ_64 ? checkptr32((x)) :1) | 110 | #define checkptrGC(x) (LJ_GC64 ? checkptr47((x)) : LJ_64 ? checkptr31((x)) :1) |
| 110 | 111 | ||
| 111 | /* Every half-decent C compiler transforms this into a rotate instruction. */ | 112 | /* Every half-decent C compiler transforms this into a rotate instruction. */ |
| 112 | #define lj_rol(x, n) (((x)<<(n)) | ((x)>>(-(int)(n)&(8*sizeof(x)-1)))) | 113 | #define lj_rol(x, n) (((x)<<(n)) | ((x)>>(-(int)(n)&(8*sizeof(x)-1)))) |