Slightly (ca. 4%?) faster and smaller ff_h264_decode_mb_cavlc in my tests on a G4 7450.
Signed-off-by: Reimar Döffinger <reimar.doeffin...@gmx.de> --- libavutil/ppc/intreadwrite.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libavutil/ppc/intreadwrite.h b/libavutil/ppc/intreadwrite.h index 1ec349e..b68b40e 100644 --- a/libavutil/ppc/intreadwrite.h +++ b/libavutil/ppc/intreadwrite.h @@ -38,6 +38,16 @@ #endif +#if HAVE_ALTIVEC +#include "util_altivec.h" +#if HAVE_BIGENDIAN +#define AV_COPY128(d, s) vec_st(vec_ld(0, (const unsigned char *)(s)), 0, (unsigned char *)(d)) +#else +#define AV_COPY128(d, s) vec_vsx_st(vec_vsx_ld(0, (const unsigned char *)(s)), 0, (unsigned char *)(d)) +#endif +#define AV_ZERO128(d) VEC_ST(vec_splat_u8(0), 0, (unsigned char *)(d)) +#endif + #if HAVE_XFORM_ASM #if HAVE_BIGENDIAN -- 2.1.4 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
