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Replace ___constant_swab32() with gcc's __builtin_bswap32

Browse Source 
http://www.bitcoin.org/smf/index.php?topic=1925.msg34827#msg34827

Credit: lfm
This commit is contained in:
Jeff Garzik 2011-01-29 00:41:27 -05:00 committed by Jeff Garzik
parent 8504cf4803
commit a296799358
1 changed files with 1 additions and 7 deletions
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8
miner.h
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@ -22,15 +22,9 @@
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#endif #endif
#define ___constant_swab32(x) ((uint32_t)( \
(((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))
static inline uint32_t swab32(uint32_t v) static inline uint32_t swab32(uint32_t v)
{ {
return ___constant_swab32(v); return __builtin_bswap32(v);
} }
extern bool opt_debug; extern bool opt_debug;