Loren Merritt wrote: > + int (*ssd_int8_vs_int16)(int8_t *pix1, int16_t *pix2, int size); Which are the constraints? I'm afraid I could mess up since I'm not that proficient in x86 asm. lu - that is obviously writing the same opt for altivec. -- Luca Barbato Gentoo/linux Gentoo/PPC http://dev.gentoo.org/~lu_zero