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| author | Luca Barbato <lu_zero@gentoo.org> | 2016-09-10 18:12:23 +0200 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2016-09-11 19:19:41 +0200 |
| commit | caccb3a0cdc7ee32cbed7eab156d35025133eadc (patch) | |
| tree | 945ea844d5ad7bf4633ae8f6ee1448139539f939 /libavcodec/ppc | |
| parent | e89cef40506d990a982aefedfde7d3ca4f88c524 (diff) | |
| download | ffmpeg-caccb3a0cdc7ee32cbed7eab156d35025133eadc.tar.gz | |
audiodsp: ppc: Add VSX variant
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Diffstat (limited to 'libavcodec/ppc')
| -rw-r--r-- | libavcodec/ppc/audiodsp.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libavcodec/ppc/audiodsp.c b/libavcodec/ppc/audiodsp.c index 2a0a6d8ef0..289bb58c42 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 && HAVE_BIGENDIAN @@ -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 */ } |