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ppc: Add get_mb_ss_vsx

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Change-Id: I1b54a7a5bb642e4b836d786ea1ae506eed025e3f
This commit is contained in:
Luca Barbato 2017-05-11 03:58:34 +00:00 committed by James Zern
parent 6d225eb5f9
commit 143b21e362
3 changed files with 21 additions and 1 deletions
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3
test/variance_test.cc
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@ -1340,6 +1340,9 @@ INSTANTIATE_TEST_CASE_P(
#endif // HAVE_MSA
#if HAVE_VSX
INSTANTIATE_TEST_CASE_P(VSX, SumOfSquaresTest,
::testing::Values(vpx_get_mb_ss_vsx));
INSTANTIATE_TEST_CASE_P(VSX, VpxSseTest,
::testing::Values(SseParams(2, 2,
&vpx_get4x4sse_cs_vsx)));

17
vpx_dsp/ppc/variance_vsx.c
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@ -38,6 +38,23 @@ uint32_t vpx_get4x4sse_cs_vsx(const uint8_t *a, int a_stride, const uint8_t *b,
return distortion;
}
// TODO(lu_zero): Unroll
uint32_t vpx_get_mb_ss_vsx(const int16_t *a) {
unsigned int i, sum = 0;
int32x4_t s = vec_splat_s32(0);
for (i = 0; i < 256; i += 8) {
const int16x8_t v = vec_vsx_ld(0, a + i);
s = vec_msum(v, v, s);
}
s = vec_splat(vec_sums(s, vec_splat_s32(0)), 3);
vec_ste((uint32x4_t)s, 0, &sum);
return sum;
}
void vpx_comp_avg_pred_vsx(uint8_t *comp_pred, const uint8_t *pred, int width,
int height, const uint8_t *ref, int ref_stride) {
int i, j;

2
vpx_dsp/vpx_dsp_rtcd_defs.pl
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@ -1171,7 +1171,7 @@ add_proto qw/unsigned int vpx_mse8x8/, "const uint8_t *src_ptr, int source_stri
specialize qw/vpx_mse8x8 sse2 msa/;
add_proto qw/unsigned int vpx_get_mb_ss/, "const int16_t *";
specialize qw/vpx_get_mb_ss sse2 msa/;
specialize qw/vpx_get_mb_ss sse2 msa vsx/;
add_proto qw/unsigned int vpx_get4x4sse_cs/, "const unsigned char *src_ptr, int source_stride, const unsigned char *ref_ptr, int ref_stride";
specialize qw/vpx_get4x4sse_cs neon msa vsx/;