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| author | Zdenek Kabelac <kabi@informatics.muni.cz> | 2002-05-29 19:57:21 +0000 |
|---|---|---|
| committer | Zdenek Kabelac <kabi@informatics.muni.cz> | 2002-05-29 19:57:21 +0000 |
| commit | 6aa6ea8e11ce58543d45e99c37cd3d6179a76af0 (patch) | |
| tree | 5be620bb874baf5030fd80a02019c3625457fe1d | |
| parent | 91abb473fb8432226918da4fe03365ebaf688978 (diff) | |
| download | ffmpeg-6aa6ea8e11ce58543d45e99c37cd3d6179a76af0.tar.gz | |
* reenabled original xy2 put routine - rounding error is really bad with
the new code
* added PAVGP macros for parallel processing to safe few more cycles on
celerons
Originally committed as revision 625 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/i386/dsputil_mmx.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index 58b0c23bbc..2e8baef4fe 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -107,17 +107,47 @@ static const uint64_t mm_wtwo __attribute__ ((aligned(8))) = 0x0002000200020002U "psrlq $1, " #regb " \n\t"\ "psubb " #regb ", " #regr " \n\t" +#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \ + "movq " #rega ", " #regr " \n\t"\ + "movq " #regc ", " #regp " \n\t"\ + "pand " #regb ", " #regr " \n\t"\ + "pand " #regd ", " #regp " \n\t"\ + "pxor " #rega ", " #regb " \n\t"\ + "pxor " #regc ", " #regd " \n\t"\ + "pand %%mm7, " #regb " \n\t"\ + "pand %%mm7, " #regd " \n\t"\ + "psrlq $1, " #regb " \n\t"\ + "psrlq $1, " #regd " \n\t"\ + "paddb " #regb ", " #regr " \n\t"\ + "paddb " #regd ", " #regp " \n\t" + +#define PAVGBP_MMX(rega, regb, regr, regc, regd, regp) \ + "movq " #rega ", " #regr " \n\t"\ + "movq " #regc ", " #regp " \n\t"\ + "por " #regb ", " #regr " \n\t"\ + "por " #regd ", " #regp " \n\t"\ + "pxor " #rega ", " #regb " \n\t"\ + "pxor " #regc ", " #regd " \n\t"\ + "pand %%mm7, " #regb " \n\t"\ + "pand %%mm7, " #regd " \n\t"\ + "psrlq $1, " #regd " \n\t"\ + "psrlq $1, " #regb " \n\t"\ + "psubb " #regb ", " #regr " \n\t"\ + "psubb " #regd ", " #regp " \n\t" + /***********************************/ /* MMX no rounding */ #define DEF(x, y) x ## _no_rnd_ ## y ##_mmx #define PAVGB(a, b) PAVGB_MMX_NO_RND(a, b, %%mm6) #define PAVGBR(a, b, c) PAVGB_MMX_NO_RND(a, b, c) +#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX_NO_RND(a, b, c, d, e, f) #include "dsputil_mmx_rnd.h" #undef DEF #undef PAVGB #undef PAVGBR +#undef PAVGBP /***********************************/ /* MMX rounding */ @@ -125,11 +155,13 @@ static const uint64_t mm_wtwo __attribute__ ((aligned(8))) = 0x0002000200020002U #define PAVGB(a, b) PAVGB_MMX(a, b, %%mm6) #define PAVGBR(a, b, c) PAVGB_MMX(a, b, c) +#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX(a, b, c, d, e, f) #include "dsputil_mmx_rnd.h" #undef DEF #undef PAVGB #undef PAVGBR +#undef PAVGBP /***********************************/ /* 3Dnow specific */ @@ -339,7 +371,7 @@ static void put_pixels_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int ); } -#if 0 +#if 1 static void put_pixels_xy2_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h) { UINT8 *p; |