static inline void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src, int width, uint32_t *unused) { #if COMPILE_TEMPLATE_MMX __asm__ volatile( "mov %0, %%"REG_a" \n\t" "1: \n\t" "movq (%1, %%"REG_a",2), %%mm0 \n\t" "movq 8(%1, %%"REG_a",2), %%mm1 \n\t" "psrlw $8, %%mm0 \n\t" "psrlw $8, %%mm1 \n\t" "packuswb %%mm1, %%mm0 \n\t" "movq %%mm0, (%2, %%"REG_a") \n\t" "add $8, %%"REG_a" \n\t" " js 1b \n\t" : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width) : "%"REG_a ); #else int i; for (i=0; i<width; i++) dst[i]= src[2*i+1]; #endif }