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authorClément Bœsch <u@pkh.me>2017-03-20 11:57:32 +0100
committerClément Bœsch <u@pkh.me>2017-03-20 11:57:32 +0100
commit9e8fd5c423da48443372917175fcdc68b4613ee0 (patch)
tree77794345776c321a3481cafd1f19ab40370bbe4f /libavcodec/ppc
parent3c8f7a8f6b52098364fadc0c0d946825282f112c (diff)
parentcaccb3a0cdc7ee32cbed7eab156d35025133eadc (diff)
downloadffmpeg-9e8fd5c423da48443372917175fcdc68b4613ee0.tar.gz
Merge commit 'caccb3a0cdc7ee32cbed7eab156d35025133eadc'
* commit 'caccb3a0cdc7ee32cbed7eab156d35025133eadc': audiodsp: ppc: Add VSX variant Merged-by: Clément Bœsch <u@pkh.me>
Diffstat (limited to 'libavcodec/ppc')
-rw-r--r--libavcodec/ppc/audiodsp.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/libavcodec/ppc/audiodsp.c b/libavcodec/ppc/audiodsp.c
index c88c3d9167..4ee3da42d2 100644
--- a/libavcodec/ppc/audiodsp.c
+++ b/libavcodec/ppc/audiodsp.c
@@ -61,6 +61,31 @@ 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
@@ -69,4 +94,11 @@ av_cold void ff_audiodsp_init_ppc(AudioDSPContext *c)
c->scalarproduct_int16 = scalarproduct_int16_altivec;
#endif /* HAVE_ALTIVEC */
+
+#if HAVE_VSX
+ if (!PPC_VSX(av_get_cpu_flags()))
+ return;
+
+ c->scalarproduct_int16 = scalarproduct_int16_vsx;
+#endif /* HAVE_VSX */
}