static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width) { #ifdef HAVE_MMX asm volatile( "movq "MANGLE(bm01010101)", %%mm4\n\t" "mov %0, %%"REG_a" \n\t" "1: \n\t" "movq (%1, %%"REG_a",4), %%mm0 \n\t" "movq 8(%1, %%"REG_a",4), %%mm1 \n\t" "psrlw $8, %%mm0 \n\t" "psrlw $8, %%mm1 \n\t" "packuswb %%mm1, %%mm0 \n\t" "movq %%mm0, %%mm1 \n\t" "psrlw $8, %%mm0 \n\t" "pand %%mm4, %%mm1 \n\t" "packuswb %%mm0, %%mm0 \n\t" "packuswb %%mm1, %%mm1 \n\t" "movd %%mm0, (%3, %%"REG_a") \n\t" "movd %%mm1, (%2, %%"REG_a") \n\t" "add $4, %%"REG_a" \n\t" " js 1b \n\t" : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width) : "%"REG_a ); #else int i; for(i=0; i<width; i++) { dstU[i]= src1[4*i + 1]; dstV[i]= src1[4*i + 3]; } #endif assert(src1 == src2); }