Use native bswap32 instruction when __CPU__ is x86_64 instead of generic 386 code.

Originally committed as revision 5049 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Ivan Kalvachev 19 years ago
parent 85ed1022b3
commit afe6a4a0be
  1. 2
      libavutil/bswap.h

@ -27,7 +27,7 @@ static always_inline uint16_t bswap_16(uint16_t x)
static always_inline uint32_t bswap_32(uint32_t x) static always_inline uint32_t bswap_32(uint32_t x)
{ {
#if __CPU__ > 386 #if __CPU__ != 386
__asm("bswap %0": __asm("bswap %0":
"=r" (x) : "=r" (x) :
#else #else

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