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Fix rotate definitions for variable shifts.

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Mike Pall 2013-03-13 21:58:53 +01:00
parent dac2825e9d
commit eea48c8b26
1 changed files with 2 additions and 2 deletions
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4
src/lj_def.h
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@ -101,8 +101,8 @@ typedef unsigned int uintptr_t;
#define checkptr32(x) ((uintptr_t)(x) == (uint32_t)(uintptr_t)(x))
/* Every half-decent C compiler transforms this into a rotate instruction. */
#define lj_rol(x, n) (((x)<<(n)) | ((x)>>(8*sizeof(x)-(n))))
#define lj_ror(x, n) (((x)<<(8*sizeof(x)-(n))) | ((x)>>(n)))
#define lj_rol(x, n) (((x)<<(n)) | ((x)>>(-(int)(n)&(8*sizeof(x)-1))))
#define lj_ror(x, n) (((x)<<(-(int)(n)&(8*sizeof(x)-1))) | ((x)>>(n)))
/* A really naive Bloom filter. But sufficient for our needs. */
typedef uintptr_t BloomFilter;