static inline void RENAME(yuv2yuv1_ar)(SwsContext *c, const int16_t *lumSrc, const int16_t *chrUSrc, const int16_t *chrVSrc, const int16_t *alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW) { int p= 4; const uint8_t *src[4]= { alpSrc + dstW, lumSrc + dstW, chrUSrc + chrDstW, chrVSrc + chrDstW }; uint8_t *dst[4]= { aDest, dest, uDest, vDest }; x86_reg counter[4]= { dstW, dstW, chrDstW, chrDstW }; while (p--) { if (dst[p]) { __asm__ volatile( "mov %2, %%"REG_a" \n\t" "pcmpeqw %%mm7, %%mm7 \n\t" "psrlw $15, %%mm7 \n\t" "psllw $6, %%mm7 \n\t" ".p2align 4 \n\t" /* FIXME Unroll? */ "1: \n\t" "movq (%0, %%"REG_a", 2), %%mm0 \n\t" "movq 8(%0, %%"REG_a", 2), %%mm1 \n\t" "paddsw %%mm7, %%mm0 \n\t" "paddsw %%mm7, %%mm1 \n\t" "psraw $7, %%mm0 \n\t" "psraw $7, %%mm1 \n\t" "packuswb %%mm1, %%mm0 \n\t" MOVNTQ(%%mm0, (%1, %%REGa)) "add $8, %%"REG_a" \n\t" "jnc 1b \n\t" :: "r" (src[p]), "r" (dst[p] + counter[p]), "g" (-counter[p]) : "%"REG_a ); } } }