diff options
Diffstat (limited to 'libavutil/ppc/float_dsp_altivec.c')
| -rw-r--r-- | libavutil/ppc/float_dsp_altivec.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/libavutil/ppc/float_dsp_altivec.c b/libavutil/ppc/float_dsp_altivec.c index f6918e193f..6aa3e51cef 100644 --- a/libavutil/ppc/float_dsp_altivec.c +++ b/libavutil/ppc/float_dsp_altivec.c @@ -1,20 +1,20 @@ /* * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -75,20 +75,18 @@ void ff_vector_fmul_add_altivec(float *dst, const float *src0, int len) { int i; - vec_f d, s0, s1, s2, t0, t1, edges; - vec_u8 align = vec_lvsr(0, dst); - vec_u8 mask = vec_lvsl(0, dst); + vec_f d, ss0, ss1, ss2, t0, t1, edges; for (i = 0; i < len - 3; i += 4) { t0 = vec_ld(0, dst + i); t1 = vec_ld(15, dst + i); - s0 = vec_ld(0, src0 + i); - s1 = vec_ld(0, src1 + i); - s2 = vec_ld(0, src2 + i); - edges = vec_perm(t1, t0, mask); - d = vec_madd(s0, s1, s2); - t1 = vec_perm(d, edges, align); - t0 = vec_perm(edges, d, align); + ss0 = vec_ld(0, src0 + i); + ss1 = vec_ld(0, src1 + i); + ss2 = vec_ld(0, src2 + i); + edges = vec_perm(t1, t0, vcprm(0, 1, 2, 3)); + d = vec_madd(ss0, ss1, ss2); + t1 = vec_perm(d, edges, vcprm(s0,s1,s2,s3)); + t0 = vec_perm(edges, d, vcprm(s0,s1,s2,s3)); vec_st(t1, 15, dst + i); vec_st(t0, 0, dst + i); } |