Replace ___constant_swab32() with gcc's __builtin_bswap32

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

View file

@ -22,15 +22,9 @@
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#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)
{
return ___constant_swab32(v);
return __builtin_bswap32(v);
}
extern bool opt_debug;