static inline void RENAME(rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size) { uint8_t *dest = dst; const uint8_t *s = src; const uint8_t *end; const uint8_t *mm_end; end = s + src_size; __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); mm_end = end - 23; __asm__ volatile("movq %0, %%mm7"::"m"(mask32a):"memory"); while (s < mm_end) { __asm__ volatile( PREFETCH" 32%1 \n\t" "movd %1, %%mm0 \n\t" "punpckldq 3%1, %%mm0 \n\t" "movd 6%1, %%mm1 \n\t" "punpckldq 9%1, %%mm1 \n\t" "movd 12%1, %%mm2 \n\t" "punpckldq 15%1, %%mm2 \n\t" "movd 18%1, %%mm3 \n\t" "punpckldq 21%1, %%mm3 \n\t" "por %%mm7, %%mm0 \n\t" "por %%mm7, %%mm1 \n\t" "por %%mm7, %%mm2 \n\t" "por %%mm7, %%mm3 \n\t" MOVNTQ" %%mm0, %0 \n\t" MOVNTQ" %%mm1, 8%0 \n\t" MOVNTQ" %%mm2, 16%0 \n\t" MOVNTQ" %%mm3, 24%0" :"=m"(*dest) :"m"(*s) :"memory"); dest += 32; s += 24; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { *dest++ = *s++; *dest++ = *s++; *dest++ = *s++; *dest++ = 255; } }