Signed-off-by: Luca Barbato <lu_z...@gentoo.org>
---
libavcodec/ppc/audiodsp.c | 33 +++++++++++++++++++++++++++++----
1 file changed, 29 insertions(+), 4 deletions(-)
While at it.
diff --git a/libavcodec/ppc/audiodsp.c b/libavcodec/ppc/audiodsp.c
index 2a0a6d8..3320133 100644
--- a/libavcodec/ppc/audiodsp.c
+++ b/libavcodec/ppc/audiodsp.c
@@ -61,12 +61,37 @@ static int32_t scalarproduct_int16_altivec(const int16_t
*v1, const int16_t *v2,
#endif /* HAVE_ALTIVEC */
+#if HAVE_VSX
+static int32_t scalarproduct_int16_vsx(const int16_t *v1, const int16_t *v2,
int order)
+{
+ int i;
+ LOAD_ZERO;
+ register vec_s16 vec1;
+ register vec_s32 res = vec_splat_s32(0), t;
+ int32_t ires;
+
+ for (i = 0; i < order; i += 8) {
+ vec1 = vec_vsx_ld(0, v1);
+ t = vec_msum(vec1, vec_ld(0, v2), zero_s32v);
+ res = vec_sums(t, res);
+ v1 += 8;
+ v2 += 8;
+ }
+ res = vec_splat(res, 3);
+ vec_ste(res, 0, &ires);
+
+ return ires;
+}
+
+#endif /* HAVE_VSX */
+
av_cold void ff_audiodsp_init_ppc(AudioDSPContext *c)
{
#if HAVE_ALTIVEC && HAVE_BIGENDIAN
- if (!PPC_ALTIVEC(av_get_cpu_flags()))
- return;
-
- c->scalarproduct_int16 = scalarproduct_int16_altivec;
+ if (PPC_ALTIVEC(av_get_cpu_flags()))
+ c->scalarproduct_int16 = scalarproduct_int16_altivec;
#endif /* HAVE_ALTIVEC */
+
+ if (PPC_VSX(av_get_cpu_flags()))
+ c->scalarproduct_int16 = scalarproduct_int16_vsx;
}
--
2.9.2
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