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Code Issues Releases Activity

add_bytes passes tests

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Originally committed as revision 6600 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato 2006-10-09 13:37:43 +00:00
parent 5bbe2a5292
commit 441e8fe9c9
1 changed files with 4 additions and 7 deletions
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11
libavcodec/ppc/dsputil_altivec.c
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@ -637,12 +637,12 @@ void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w) {
register vector unsigned char vdst, vsrc;
/* dst and src are 16 bytes-aligned (guaranteed) */
for(i = 0 ; (i + 15) < w ; i++)
for(i = 0 ; (i + 15) < w ; i+=16)
{
vdst = vec_ld(i << 4, (unsigned char*)dst);
vsrc = vec_ld(i << 4, (unsigned char*)src);
vdst = vec_ld(i, (unsigned char*)dst);
vsrc = vec_ld(i, (unsigned char*)src);
vdst = vec_add(vsrc, vdst);
vec_st(vdst, i << 4, (unsigned char*)dst);
vec_st(vdst, i, (unsigned char*)dst);
}
/* if w is not a multiple of 16 */
for (; (i < w) ; i++)
@ -1839,10 +1839,7 @@ void dsputil_init_altivec(DSPContext* c, AVCodecContext *avctx)
c->pix_sum = pix_sum_altivec;
c->diff_pixels = diff_pixels_altivec;
c->get_pixels = get_pixels_altivec;
// next one disabled as it's untested.
#if 0
c->add_bytes= add_bytes_altivec;
#endif /* 0 */
c->put_pixels_tab[0][0] = put_pixels16_altivec;
/* the two functions do the same thing, so use the same code */
c->put_no_rnd_pixels_tab[0][0] = put_pixels16_altivec;