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| author | Mans Rullgard <mans@mansr.com> | 2012-08-12 23:38:51 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-08-13 14:51:52 +0100 |
| commit | 10b83cb653e6effc80f3f0ddaaf39aea87546a6d (patch) | |
| tree | 01929357e0ac58f9e40e586277058dd73fd542a0 /libswscale/x86/rgb2rgb_template.c | |
| parent | 480178a29587df8ed6d5e93bfe79e4a08a61f9e1 (diff) | |
| download | ffmpeg-10b83cb653e6effc80f3f0ddaaf39aea87546a6d.tar.gz | |
x86: swscale: remove disabled code
This code has been disabled since 2003. Nobody will ever look at
it again.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libswscale/x86/rgb2rgb_template.c')
| -rw-r--r-- | libswscale/x86/rgb2rgb_template.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/libswscale/x86/rgb2rgb_template.c b/libswscale/x86/rgb2rgb_template.c index 3374f45908..0f2bfd0581 100644 --- a/libswscale/x86/rgb2rgb_template.c +++ b/libswscale/x86/rgb2rgb_template.c @@ -287,7 +287,6 @@ static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, int src_s uint16_t *d = (uint16_t *)dst; end = s + src_size; mm_end = end - 15; -#if 1 //is faster only if multiplies are reasonably fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster) __asm__ volatile( "movq %3, %%mm5 \n\t" "movq %4, %%mm6 \n\t" @@ -322,47 +321,6 @@ static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, int src_s : "+r" (d), "+r"(s) : "r" (mm_end), "m" (mask3216g), "m" (mask3216br), "m" (mul3216) ); -#else - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_16mask),"m"(green_16mask)); - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 4%1, %%mm3 \n\t" - "punpckldq 8%1, %%mm0 \n\t" - "punpckldq 12%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psrlq $3, %%mm0 \n\t" - "psrlq $3, %%mm3 \n\t" - "pand %2, %%mm0 \n\t" - "pand %2, %%mm3 \n\t" - "psrlq $5, %%mm1 \n\t" - "psrlq $5, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $8, %%mm2 \n\t" - "psrlq $8, %%mm5 \n\t" - "pand %%mm7, %%mm2 \n\t" - "pand %%mm7, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_16mask):"memory"); - d += 4; - s += 16; - } -#endif __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { @@ -434,7 +392,6 @@ static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, int src_s uint16_t *d = (uint16_t *)dst; end = s + src_size; mm_end = end - 15; -#if 1 //is faster only if multiplies are reasonably fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster) __asm__ volatile( "movq %3, %%mm5 \n\t" "movq %4, %%mm6 \n\t" @@ -469,47 +426,6 @@ static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, int src_s : "+r" (d), "+r"(s) : "r" (mm_end), "m" (mask3215g), "m" (mask3216br), "m" (mul3215) ); -#else - __asm__ volatile(PREFETCH" %0"::"m"(*src):"memory"); - __asm__ volatile( - "movq %0, %%mm7 \n\t" - "movq %1, %%mm6 \n\t" - ::"m"(red_15mask),"m"(green_15mask)); - while (s < mm_end) { - __asm__ volatile( - PREFETCH" 32%1 \n\t" - "movd %1, %%mm0 \n\t" - "movd 4%1, %%mm3 \n\t" - "punpckldq 8%1, %%mm0 \n\t" - "punpckldq 12%1, %%mm3 \n\t" - "movq %%mm0, %%mm1 \n\t" - "movq %%mm0, %%mm2 \n\t" - "movq %%mm3, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psrlq $3, %%mm0 \n\t" - "psrlq $3, %%mm3 \n\t" - "pand %2, %%mm0 \n\t" - "pand %2, %%mm3 \n\t" - "psrlq $6, %%mm1 \n\t" - "psrlq $6, %%mm4 \n\t" - "pand %%mm6, %%mm1 \n\t" - "pand %%mm6, %%mm4 \n\t" - "psrlq $9, %%mm2 \n\t" - "psrlq $9, %%mm5 \n\t" - "pand %%mm7, %%mm2 \n\t" - "pand %%mm7, %%mm5 \n\t" - "por %%mm1, %%mm0 \n\t" - "por %%mm4, %%mm3 \n\t" - "por %%mm2, %%mm0 \n\t" - "por %%mm5, %%mm3 \n\t" - "psllq $16, %%mm3 \n\t" - "por %%mm3, %%mm0 \n\t" - MOVNTQ" %%mm0, %0 \n\t" - :"=m"(*d):"m"(*s),"m"(blue_15mask):"memory"); - d += 4; - s += 16; - } -#endif __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { |