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ppc: dc_128 predictor 32x32

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6x faster.

Change-Id: I1da8f51b4262871cb98f0aa03ccda41b0ac2b08b
This commit is contained in:
Luca Barbato 2017-04-08 00:39:24 +00:00 committed by James Zern
parent f9d20e6df2
commit d68d37872c
3 changed files with 24 additions and 4 deletions
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7
test/test_intra_pred_speed.cc
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@ -321,9 +321,10 @@ INTRA_PRED_TEST(VSX, TestIntraPred16, NULL, NULL, NULL,
vpx_h_predictor_16x16_vsx, NULL, NULL, NULL, NULL, NULL, NULL,
vpx_tm_predictor_16x16_vsx)
INTRA_PRED_TEST(VSX, TestIntraPred32, NULL, NULL, NULL, NULL,
vpx_v_predictor_32x32_vsx, vpx_h_predictor_32x32_vsx, NULL,
NULL, NULL, NULL, NULL, NULL, vpx_tm_predictor_32x32_vsx)
INTRA_PRED_TEST(VSX, TestIntraPred32, NULL, NULL, NULL,
vpx_dc_128_predictor_32x32_vsx, vpx_v_predictor_32x32_vsx,
vpx_h_predictor_32x32_vsx, NULL, NULL, NULL, NULL, NULL, NULL,
vpx_tm_predictor_32x32_vsx)
#endif // HAVE_VSX
// -----------------------------------------------------------------------------

19
vpx_dsp/ppc/intrapred_vsx.c
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@ -379,3 +379,22 @@ void vpx_dc_128_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride,
dc_fill_predictor_16x16(dst, stride, v128);
}
static INLINE void dc_fill_predictor_32x32(uint8_t *dst, const ptrdiff_t stride,
const uint8x16_t val) {
int i;
for (i = 0; i < 32; i++, dst += stride) {
vec_vsx_st(val, 0, dst);
vec_vsx_st(val, 16, dst);
}
}
void vpx_dc_128_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const uint8x16_t v128 = vec_sl(vec_splat_u8(1), vec_splat_u8(7));
(void)above;
(void)left;
dc_fill_predictor_32x32(dst, stride, v128);
}

2
vpx_dsp/vpx_dsp_rtcd_defs.pl
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@ -183,7 +183,7 @@ add_proto qw/void vpx_dc_left_predictor_32x32/, "uint8_t *dst, ptrdiff_t y_strid
specialize qw/vpx_dc_left_predictor_32x32 msa neon sse2/;
add_proto qw/void vpx_dc_128_predictor_32x32/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vpx_dc_128_predictor_32x32 msa neon sse2/;
specialize qw/vpx_dc_128_predictor_32x32 msa neon sse2 vsx/;
# High bitdepth functions
if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {