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@ -1576,6 +1576,44 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u |
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const unsigned chromWidth= width>>1; |
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for(y=0; y<height; y++) |
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{ |
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#ifdef HAVE_MMX |
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//FIXME handle 2 lines a once (fewer prefetch, reuse some chrom, but very likely limited by mem anyway)
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asm volatile( |
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"xorl %%eax, %%eax \n\t" |
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".balign 16 \n\t" |
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"1: \n\t" |
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PREFETCH" 32(%1, %%eax, 2) \n\t" |
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PREFETCH" 32(%2, %%eax) \n\t" |
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PREFETCH" 32(%3, %%eax) \n\t" |
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"movq (%2, %%eax), %%mm0 \n\t" // U(0)
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"movq %%mm0, %%mm2 \n\t" // U(0)
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"movq (%3, %%eax), %%mm1 \n\t" // V(0)
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"punpcklbw %%mm1, %%mm0 \n\t" // UVUV UVUV(0)
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"punpckhbw %%mm1, %%mm2 \n\t" // UVUV UVUV(8)
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"movq (%1, %%eax,2), %%mm3 \n\t" // Y(0)
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"movq 8(%1, %%eax,2), %%mm5 \n\t" // Y(8)
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"movq %%mm0, %%mm4 \n\t" // Y(0)
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"movq %%mm2, %%mm6 \n\t" // Y(8)
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"punpcklbw %%mm3, %%mm0 \n\t" // YUYV YUYV(0)
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"punpckhbw %%mm3, %%mm4 \n\t" // YUYV YUYV(4)
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"punpcklbw %%mm5, %%mm2 \n\t" // YUYV YUYV(8)
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"punpckhbw %%mm5, %%mm6 \n\t" // YUYV YUYV(12)
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MOVNTQ" %%mm0, (%0, %%eax, 4) \n\t" |
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MOVNTQ" %%mm4, 8(%0, %%eax, 4) \n\t" |
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MOVNTQ" %%mm2, 16(%0, %%eax, 4) \n\t" |
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MOVNTQ" %%mm6, 24(%0, %%eax, 4) \n\t" |
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"addl $8, %%eax \n\t" |
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"cmpl %4, %%eax \n\t" |
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" jb 1b \n\t" |
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::"r"(dst), "r"(ysrc), "r"(usrc), "r"(vsrc), "g" (chromWidth) |
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: "%eax" |
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); |
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#else |
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//FIXME adapt the alpha asm code from yv12->yuy2
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#if __WORDSIZE >= 64 |
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int i; |
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uint64_t *ldst = (uint64_t *) dst; |
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@ -1602,6 +1640,7 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u |
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uc++; |
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vc++; |
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} |
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#endif |
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#endif |
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if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) |
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{ |
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@ -1611,6 +1650,11 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u |
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ysrc += lumStride; |
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dst += dstStride; |
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} |
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#ifdef HAVE_MMX |
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asm( EMMS" \n\t" |
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SFENCE" \n\t" |
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:::"memory"); |
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#endif |
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} |
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/**
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