emms();
__asm __volatile(SFENCE:::"memory"); __asm __volatile(EMMS:::"memory");
void rgb15to16(uint8_t *src,uint8_t *dst,uint32_t src_size){#ifdef HAVE_MMX  static uint64_t mask_b  = 0x001F001F001F001FLL; // 00000000 00011111  xxB  static uint64_t mask_rg = 0x7FE07FE07FE07FE0LL; // 01111111 11100000  RGx  register char* s=src+src_size;  register char* d=dst+src_size;  register int offs=-src_size;  movq_m2r (mask_b,  mm4);  movq_m2r (mask_rg, mm5);  while(offs<0){    movq_m2r (*(s+offs), mm0);    movq_r2r (mm0, mm1);    movq_m2r (*(s+8+offs), mm2);    movq_r2r (mm2, mm3);        pand_r2r (mm4, mm0);    pand_r2r (mm5, mm1);        psllq_i2r(1,mm1);    pand_r2r (mm4, mm2);    pand_r2r (mm5, mm3);    por_r2r  (mm1, mm0);    psllq_i2r(1,mm3);    movq_r2m (mm0,*(d+offs));    por_r2r  (mm3,mm2);    movq_r2m (mm2,*(d+8+offs));    offs+=16;  }  emms();#else   uint16_t *s1=( uint16_t * )src;   uint16_t *d1=( uint16_t * )dst;   uint16_t *e=((uint8_t *)s1)+src_size;   while( s1<e ){     register int x=*( s1++ );     /* rrrrrggggggbbbbb        0rrrrrgggggbbbbb        0111 1111 1110 0000=0x7FE0        00000000000001 1111=0x001F */     *( d1++ )=( x&0x001F )|( ( x&0x7FE0 )<<1 );   }#endif}