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author | Loren Merritt <lorenm@u.washington.edu> | 2007-05-11 00:45:07 +0000 |
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committer | Loren Merritt <lorenm@u.washington.edu> | 2007-05-11 00:45:07 +0000 |
commit | 164d75ebf3d6868926598661d78d8372d0020105 (patch) | |
tree | a22503493fd652cb0650ad6c1fc6bead46971386 /libavcodec/i386 | |
parent | c3ebc833b9e2cec3b39a82fe3e98a01dfdb608f1 (diff) | |
download | ffmpeg-streaming-164d75ebf3d6868926598661d78d8372d0020105.zip ffmpeg-streaming-164d75ebf3d6868926598661d78d8372d0020105.tar.gz |
tweak mmx2 sad.
40% faster on core2, 18% faster on k8, 5% faster on p4.
Originally committed as revision 8991 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386')
-rw-r--r-- | libavcodec/i386/motion_est_mmx.c | 211 |
1 files changed, 121 insertions, 90 deletions
diff --git a/libavcodec/i386/motion_est_mmx.c b/libavcodec/i386/motion_est_mmx.c index 3abbbe8..af8db79 100644 --- a/libavcodec/i386/motion_est_mmx.c +++ b/libavcodec/i386/motion_est_mmx.c @@ -70,74 +70,98 @@ static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) { - long len= -(stride*h); asm volatile( ASMALIGN(4) "1: \n\t" - "movq (%1, %%"REG_a"), %%mm0 \n\t" - "psadbw (%2, %%"REG_a"), %%mm0 \n\t" - "add %3, %%"REG_a" \n\t" - "movq (%1, %%"REG_a"), %%mm1 \n\t" - "psadbw (%2, %%"REG_a"), %%mm1 \n\t" - "paddw %%mm1, %%mm0 \n\t" + "movq (%1), %%mm0 \n\t" + "movq (%1, %3), %%mm1 \n\t" + "psadbw (%2), %%mm0 \n\t" + "psadbw (%2, %3), %%mm1 \n\t" "paddw %%mm0, %%mm6 \n\t" - "add %3, %%"REG_a" \n\t" - " js 1b \n\t" - : "+a" (len) - : "r" (blk1 - len), "r" (blk2 - len), "r" ((long)stride) + "paddw %%mm1, %%mm6 \n\t" + "lea (%1,%3,2), %1 \n\t" + "lea (%2,%3,2), %2 \n\t" + "sub $2, %0 \n\t" + " jg 1b \n\t" + : "+r" (h), "+r" (blk1), "+r" (blk2) + : "r" ((long)stride) ); } -static inline void sad8_2_mmx2(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h) +static inline void sad8_x2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) { - long len= -(stride*h); asm volatile( ASMALIGN(4) "1: \n\t" - "movq (%1, %%"REG_a"), %%mm0 \n\t" - "pavgb (%2, %%"REG_a"), %%mm0 \n\t" - "psadbw (%3, %%"REG_a"), %%mm0 \n\t" - "add %4, %%"REG_a" \n\t" - "movq (%1, %%"REG_a"), %%mm1 \n\t" - "pavgb (%2, %%"REG_a"), %%mm1 \n\t" - "psadbw (%3, %%"REG_a"), %%mm1 \n\t" - "paddw %%mm1, %%mm0 \n\t" + "movq (%1), %%mm0 \n\t" + "movq (%1, %3), %%mm1 \n\t" + "pavgb 1(%1), %%mm0 \n\t" + "pavgb 1(%1, %3), %%mm1 \n\t" + "psadbw (%2), %%mm0 \n\t" + "psadbw (%2, %3), %%mm1 \n\t" "paddw %%mm0, %%mm6 \n\t" - "add %4, %%"REG_a" \n\t" - " js 1b \n\t" - : "+a" (len) - : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((long)stride) + "paddw %%mm1, %%mm6 \n\t" + "lea (%1,%3,2), %1 \n\t" + "lea (%2,%3,2), %2 \n\t" + "sub $2, %0 \n\t" + " jg 1b \n\t" + : "+r" (h), "+r" (blk1), "+r" (blk2) + : "r" ((long)stride) + ); +} + +static inline void sad8_y2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) +{ + asm volatile( + "movq (%1), %%mm0 \n\t" + "add %3, %1 \n\t" + ASMALIGN(4) + "1: \n\t" + "movq (%1), %%mm1 \n\t" + "movq (%1, %3), %%mm2 \n\t" + "pavgb %%mm1, %%mm0 \n\t" + "pavgb %%mm2, %%mm1 \n\t" + "psadbw (%2), %%mm0 \n\t" + "psadbw (%2, %3), %%mm1 \n\t" + "paddw %%mm0, %%mm6 \n\t" + "paddw %%mm1, %%mm6 \n\t" + "movq %%mm2, %%mm0 \n\t" + "lea (%1,%3,2), %1 \n\t" + "lea (%2,%3,2), %2 \n\t" + "sub $2, %0 \n\t" + " jg 1b \n\t" + : "+r" (h), "+r" (blk1), "+r" (blk2) + : "r" ((long)stride) ); } static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) -{ //FIXME reuse src - long len= -(stride*h); +{ asm volatile( "movq "MANGLE(bone)", %%mm5 \n\t" + "movq (%1), %%mm0 \n\t" + "pavgb 1(%1), %%mm0 \n\t" + "add %3, %1 \n\t" ASMALIGN(4) "1: \n\t" - "movq (%1, %%"REG_a"), %%mm0 \n\t" - "movq 1(%1, %%"REG_a"), %%mm1 \n\t" - "pavgb (%2, %%"REG_a"), %%mm0 \n\t" - "pavgb 1(%2, %%"REG_a"), %%mm1 \n\t" + "movq (%1), %%mm1 \n\t" + "movq (%1,%3), %%mm2 \n\t" + "pavgb 1(%1), %%mm1 \n\t" + "pavgb 1(%1,%3), %%mm2 \n\t" "psubusb %%mm5, %%mm1 \n\t" "pavgb %%mm1, %%mm0 \n\t" - "psadbw (%3, %%"REG_a"), %%mm0 \n\t" - "add %4, %%"REG_a" \n\t" - "movq (%1, %%"REG_a"), %%mm2 \n\t" - "movq 1(%1, %%"REG_a"), %%mm3 \n\t" - "pavgb (%2, %%"REG_a"), %%mm2 \n\t" - "pavgb 1(%2, %%"REG_a"), %%mm3 \n\t" - "psubusb %%mm5, %%mm3 \n\t" - "pavgb %%mm3, %%mm2 \n\t" - "psadbw (%3, %%"REG_a"), %%mm2 \n\t" - "paddw %%mm2, %%mm0 \n\t" + "pavgb %%mm2, %%mm1 \n\t" + "psadbw (%2), %%mm0 \n\t" + "psadbw (%2,%3), %%mm1 \n\t" "paddw %%mm0, %%mm6 \n\t" - "add %4, %%"REG_a" \n\t" - " js 1b \n\t" - : "+a" (len) - : "r" (blk1 - len), "r" (blk1 - len + stride), "r" (blk2 - len), "r" ((long)stride) + "paddw %%mm1, %%mm6 \n\t" + "movq %%mm2, %%mm0 \n\t" + "lea (%1,%3,2), %1 \n\t" + "lea (%2,%3,2), %2 \n\t" + "sub $2, %0 \n\t" + " jg 1b \n\t" + : "+r" (h), "+r" (blk1), "+r" (blk2) + : "r" ((long)stride) ); } @@ -183,45 +207,48 @@ static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) { long len= -(stride*h); asm volatile( - ASMALIGN(4) - "1: \n\t" "movq (%1, %%"REG_a"), %%mm0 \n\t" - "movq (%2, %%"REG_a"), %%mm1 \n\t" - "movq %%mm0, %%mm4 \n\t" - "movq %%mm1, %%mm2 \n\t" - "punpcklbw %%mm7, %%mm0 \n\t" - "punpcklbw %%mm7, %%mm1 \n\t" - "punpckhbw %%mm7, %%mm4 \n\t" - "punpckhbw %%mm7, %%mm2 \n\t" - "paddw %%mm1, %%mm0 \n\t" - "paddw %%mm2, %%mm4 \n\t" "movq 1(%1, %%"REG_a"), %%mm2 \n\t" - "movq 1(%2, %%"REG_a"), %%mm3 \n\t" - "movq %%mm2, %%mm1 \n\t" - "punpcklbw %%mm7, %%mm2 \n\t" + "movq %%mm0, %%mm1 \n\t" + "movq %%mm2, %%mm3 \n\t" + "punpcklbw %%mm7, %%mm0 \n\t" "punpckhbw %%mm7, %%mm1 \n\t" - "paddw %%mm0, %%mm2 \n\t" - "paddw %%mm4, %%mm1 \n\t" - "movq %%mm3, %%mm4 \n\t" - "punpcklbw %%mm7, %%mm3 \n\t" - "punpckhbw %%mm7, %%mm4 \n\t" - "paddw %%mm3, %%mm2 \n\t" - "paddw %%mm4, %%mm1 \n\t" - "movq (%3, %%"REG_a"), %%mm3 \n\t" - "movq (%3, %%"REG_a"), %%mm4 \n\t" - "paddw %%mm5, %%mm2 \n\t" + "punpcklbw %%mm7, %%mm2 \n\t" + "punpckhbw %%mm7, %%mm3 \n\t" + "paddw %%mm2, %%mm0 \n\t" + "paddw %%mm3, %%mm1 \n\t" + ASMALIGN(4) + "1: \n\t" + "movq (%2, %%"REG_a"), %%mm2 \n\t" + "movq 1(%2, %%"REG_a"), %%mm4 \n\t" + "movq %%mm2, %%mm3 \n\t" + "movq %%mm4, %%mm5 \n\t" + "punpcklbw %%mm7, %%mm2 \n\t" + "punpckhbw %%mm7, %%mm3 \n\t" + "punpcklbw %%mm7, %%mm4 \n\t" + "punpckhbw %%mm7, %%mm5 \n\t" + "paddw %%mm4, %%mm2 \n\t" + "paddw %%mm5, %%mm3 \n\t" + "movq 16+"MANGLE(round_tab)", %%mm5 \n\t" + "paddw %%mm2, %%mm0 \n\t" + "paddw %%mm3, %%mm1 \n\t" + "paddw %%mm5, %%mm0 \n\t" "paddw %%mm5, %%mm1 \n\t" - "psrlw $2, %%mm2 \n\t" + "movq (%3, %%"REG_a"), %%mm4 \n\t" + "movq (%3, %%"REG_a"), %%mm5 \n\t" + "psrlw $2, %%mm0 \n\t" "psrlw $2, %%mm1 \n\t" - "packuswb %%mm1, %%mm2 \n\t" - "psubusb %%mm2, %%mm3 \n\t" - "psubusb %%mm4, %%mm2 \n\t" - "por %%mm3, %%mm2 \n\t" - "movq %%mm2, %%mm0 \n\t" + "packuswb %%mm1, %%mm0 \n\t" + "psubusb %%mm0, %%mm4 \n\t" + "psubusb %%mm5, %%mm0 \n\t" + "por %%mm4, %%mm0 \n\t" + "movq %%mm0, %%mm4 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" - "punpckhbw %%mm7, %%mm2 \n\t" - "paddw %%mm2, %%mm0 \n\t" + "punpckhbw %%mm7, %%mm4 \n\t" "paddw %%mm0, %%mm6 \n\t" + "paddw %%mm4, %%mm6 \n\t" + "movq %%mm2, %%mm0 \n\t" + "movq %%mm3, %%mm1 \n\t" "add %4, %%"REG_a" \n\t" " js 1b \n\t" : "+a" (len) @@ -255,6 +282,15 @@ static inline int sum_mmx2(void) return ret; } +static inline void sad8_x2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) +{ + sad8_2_mmx(blk1, blk1+1, blk2, stride, h); +} +static inline void sad8_y2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) +{ + sad8_2_mmx(blk1, blk1+stride, blk2, stride, h); +} + #define PIX_SAD(suf)\ static int sad8_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ @@ -272,11 +308,10 @@ static int sad8_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, in assert(h==8);\ asm volatile("pxor %%mm7, %%mm7 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ - "movq %0, %%mm5 \n\t"\ :: "m"(round_tab[1]) \ );\ \ - sad8_2_ ## suf(blk1, blk1+1, blk2, stride, 8);\ + sad8_x2a_ ## suf(blk1, blk2, stride, 8);\ \ return sum_ ## suf();\ }\ @@ -290,7 +325,7 @@ static int sad8_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, in :: "m"(round_tab[1]) \ );\ \ - sad8_2_ ## suf(blk1, blk1+stride, blk2, stride, 8);\ + sad8_y2a_ ## suf(blk1, blk2, stride, 8);\ \ return sum_ ## suf();\ }\ @@ -300,9 +335,7 @@ static int sad8_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, i assert(h==8);\ asm volatile("pxor %%mm7, %%mm7 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ - "movq %0, %%mm5 \n\t"\ - :: "m"(round_tab[2]) \ - );\ + ::);\ \ sad8_4_ ## suf(blk1, blk2, stride, 8);\ \ @@ -327,8 +360,8 @@ static int sad16_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, i :: "m"(round_tab[1]) \ );\ \ - sad8_2_ ## suf(blk1 , blk1+1, blk2 , stride, h);\ - sad8_2_ ## suf(blk1+8, blk1+9, blk2+8, stride, h);\ + sad8_x2a_ ## suf(blk1 , blk2 , stride, h);\ + sad8_x2a_ ## suf(blk1+8, blk2+8, stride, h);\ \ return sum_ ## suf();\ }\ @@ -340,8 +373,8 @@ static int sad16_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, i :: "m"(round_tab[1]) \ );\ \ - sad8_2_ ## suf(blk1 , blk1+stride, blk2 , stride, h);\ - sad8_2_ ## suf(blk1+8, blk1+stride+8,blk2+8, stride, h);\ + sad8_y2a_ ## suf(blk1 , blk2 , stride, h);\ + sad8_y2a_ ## suf(blk1+8, blk2+8, stride, h);\ \ return sum_ ## suf();\ }\ @@ -349,9 +382,7 @@ static int sad16_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, {\ asm volatile("pxor %%mm7, %%mm7 \n\t"\ "pxor %%mm6, %%mm6 \n\t"\ - "movq %0, %%mm5 \n\t"\ - :: "m"(round_tab[2]) \ - );\ + ::);\ \ sad8_4_ ## suf(blk1 , blk2 , stride, h);\ sad8_4_ ## suf(blk1+8, blk2+8, stride, h);\ |