diff options
Diffstat (limited to 'libavutil/ppc/float_dsp_altivec.c')
-rw-r--r-- | libavutil/ppc/float_dsp_altivec.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libavutil/ppc/float_dsp_altivec.c b/libavutil/ppc/float_dsp_altivec.c index e5fd9aba33..87379e92f8 100644 --- a/libavutil/ppc/float_dsp_altivec.c +++ b/libavutil/ppc/float_dsp_altivec.c @@ -69,3 +69,27 @@ void ff_vector_fmul_window_altivec(float *dst, const float *src0, vec_st(t1, j, dst); } } + +void ff_vector_fmul_add_altivec(float *dst, const float *src0, + const float *src1, const float *src2, + int len) +{ + int i; + vector float d, s0, s1, s2, t0, t1, edges; + vector unsigned char align = vec_lvsr(0,dst), + mask = vec_lvsl(0, dst); + + 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); + vec_st(t1, 15, dst + i); + vec_st(t0, 0, dst + i); + } +} |