static inline void RENAME(rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size) { const uint16_t *end; const uint16_t *mm_end; uint8_t *d = dst; const uint16_t *s = (const uint16_t*)src; end = s + src_size/2; __asm__ volatile(PREFETCH" %0"::"m"(*s):"memory"); mm_end = end - 7; while (s < mm_end) { __asm__ volatile( PREFETCH" 32%1 \n\t" "movq %1, %%mm0 \n\t" "movq %1, %%mm1 \n\t" "movq %1, %%mm2 \n\t" "pand %2, %%mm0 \n\t" "pand %3, %%mm1 \n\t" "pand %4, %%mm2 \n\t" "psllq $3, %%mm0 \n\t" "psrlq $2, %%mm1 \n\t" "psrlq $7, %%mm2 \n\t" "movq %%mm0, %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "movq %%mm2, %%mm5 \n\t" "punpcklwd %5, %%mm0 \n\t" "punpcklwd %5, %%mm1 \n\t" "punpcklwd %5, %%mm2 \n\t" "punpckhwd %5, %%mm3 \n\t" "punpckhwd %5, %%mm4 \n\t" "punpckhwd %5, %%mm5 \n\t" "psllq $8, %%mm1 \n\t" "psllq $16, %%mm2 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm2, %%mm0 \n\t" "psllq $8, %%mm4 \n\t" "psllq $16, %%mm5 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm5, %%mm3 \n\t" "movq %%mm0, %%mm6 \n\t" "movq %%mm3, %%mm7 \n\t" "movq 8%1, %%mm0 \n\t" "movq 8%1, %%mm1 \n\t" "movq 8%1, %%mm2 \n\t" "pand %2, %%mm0 \n\t" "pand %3, %%mm1 \n\t" "pand %4, %%mm2 \n\t" "psllq $3, %%mm0 \n\t" "psrlq $2, %%mm1 \n\t" "psrlq $7, %%mm2 \n\t" "movq %%mm0, %%mm3 \n\t" "movq %%mm1, %%mm4 \n\t" "movq %%mm2, %%mm5 \n\t" "punpcklwd %5, %%mm0 \n\t" "punpcklwd %5, %%mm1 \n\t" "punpcklwd %5, %%mm2 \n\t" "punpckhwd %5, %%mm3 \n\t" "punpckhwd %5, %%mm4 \n\t" "punpckhwd %5, %%mm5 \n\t" "psllq $8, %%mm1 \n\t" "psllq $16, %%mm2 \n\t" "por %%mm1, %%mm0 \n\t" "por %%mm2, %%mm0 \n\t" "psllq $8, %%mm4 \n\t" "psllq $16, %%mm5 \n\t" "por %%mm4, %%mm3 \n\t" "por %%mm5, %%mm3 \n\t" :"=m"(*d) :"m"(*s),"m"(mask15b),"m"(mask15g),"m"(mask15r), "m"(mmx_null) :"memory"); /* borrowed 32 to 24 */ __asm__ volatile( "movq %%mm0, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "movq %%mm6, %%mm0 \n\t" "movq %%mm7, %%mm1 \n\t" "movq %%mm4, %%mm6 \n\t" "movq %%mm5, %%mm7 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm1, %%mm3 \n\t" STORE_BGR24_MMX :"=m"(*d) :"m"(*s) :"memory"); d += 24; s += 8; } __asm__ volatile(SFENCE:::"memory"); __asm__ volatile(EMMS:::"memory"); while (s < end) { register uint16_t bgr; bgr = *s++; *d++ = (bgr&0x1F)<<3; *d++ = (bgr&0x3E0)>>2; *d++ = (bgr&0x7C00)>>7; } }