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author | Måns Rullgård <mans@mansr.com> | 2008-03-08 18:33:07 +0000 |
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committer | Måns Rullgård <mans@mansr.com> | 2008-03-08 18:33:07 +0000 |
commit | 6bd859d67ea940dce5e675b86635f2d3739299c1 (patch) | |
tree | fdaa36203f45056f6cc19e27bbb2ed3fcfebcd77 | |
parent | a73cbf9709cb19b4bb4bc778dd5d28cb355fdfde (diff) | |
download | ffmpeg-streaming-6bd859d67ea940dce5e675b86635f2d3739299c1.zip ffmpeg-streaming-6bd859d67ea940dce5e675b86635f2d3739299c1.tar.gz |
check for x86 bswap instruction
Originally committed as revision 12375 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rwxr-xr-x | configure | 6 | ||||
-rw-r--r-- | libavutil/bswap.h | 2 |
2 files changed, 4 insertions, 4 deletions
@@ -708,6 +708,7 @@ HAVE_LIST=" $THREADS_LIST altivec_h arpa_inet_h + bswap byteswap_h closesocket cmov @@ -1504,6 +1505,8 @@ EOF # check whether binutils is new enough to compile SSSE3 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"' + + check_asm bswap '"bswap %%eax" ::: "%eax"' fi # check for assembler specific support @@ -1989,9 +1992,6 @@ if enabled bigendian; then echo "WORDS_BIGENDIAN=yes" >> config.mak echo "#define WORDS_BIGENDIAN 1" >> $TMPH fi -if enabled mmx; then - echo "#define __CPU__ 586" >> $TMPH -fi if enabled sdl; then echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak diff --git a/libavutil/bswap.h b/libavutil/bswap.h index ee75f88..8a0df7a 100644 --- a/libavutil/bswap.h +++ b/libavutil/bswap.h @@ -56,7 +56,7 @@ static av_always_inline uint16_t bswap_16(uint16_t x) static av_always_inline uint32_t bswap_32(uint32_t x) { #if defined(ARCH_X86) -#if __CPU__ != 386 +#ifdef HAVE_BSWAP __asm("bswap %0": "=r" (x) : #else |