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ppc: h predictor 8x8

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Slightly faster with the current compiler.

Change-Id: Iae225fac08395eb430c97a2abec69c60f5cf5c47
This commit is contained in:
Luca Barbato 2017-04-18 22:55:53 +00:00 committed by James Zern
parent 0b9be93205
commit 914b160fb5
3 changed files with 36 additions and 3 deletions
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5
test/test_intra_pred_speed.cc
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@ -318,8 +318,9 @@ INTRA_PRED_TEST(VSX, TestIntraPred4, NULL, NULL, NULL, NULL, NULL,
vpx_tm_predictor_4x4_vsx)
INTRA_PRED_TEST(VSX, TestIntraPred8, vpx_dc_predictor_8x8_vsx, NULL, NULL, NULL,
NULL, NULL, vpx_d45_predictor_8x8_vsx, NULL, NULL, NULL, NULL,
vpx_d63_predictor_8x8_vsx, vpx_tm_predictor_8x8_vsx)
NULL, vpx_h_predictor_8x8_vsx, vpx_d45_predictor_8x8_vsx, NULL,
NULL, NULL, NULL, vpx_d63_predictor_8x8_vsx,
vpx_tm_predictor_8x8_vsx)
INTRA_PRED_TEST(VSX, TestIntraPred16, vpx_dc_predictor_16x16_vsx,
vpx_dc_left_predictor_16x16_vsx, vpx_dc_top_predictor_16x16_vsx,

32
vpx_dsp/ppc/intrapred_vsx.c
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@ -56,6 +56,38 @@ void vpx_h_predictor_4x4_vsx(uint8_t *dst, ptrdiff_t stride,
vec_vsx_st(vec_sel(v3, vec_vsx_ld(0, dst), (uint8x16_t)mask4), 0, dst);
}
void vpx_h_predictor_8x8_vsx(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const uint8x16_t d = vec_vsx_ld(0, left);
const uint8x16_t v0 = vec_splat(d, 0);
const uint8x16_t v1 = vec_splat(d, 1);
const uint8x16_t v2 = vec_splat(d, 2);
const uint8x16_t v3 = vec_splat(d, 3);
const uint8x16_t v4 = vec_splat(d, 4);
const uint8x16_t v5 = vec_splat(d, 5);
const uint8x16_t v6 = vec_splat(d, 6);
const uint8x16_t v7 = vec_splat(d, 7);
(void)above;
vec_vsx_st(xxpermdi(v0, vec_vsx_ld(0, dst), 1), 0, dst);
dst += stride;
vec_vsx_st(xxpermdi(v1, vec_vsx_ld(0, dst), 1), 0, dst);
dst += stride;
vec_vsx_st(xxpermdi(v2, vec_vsx_ld(0, dst), 1), 0, dst);
dst += stride;
vec_vsx_st(xxpermdi(v3, vec_vsx_ld(0, dst), 1), 0, dst);
dst += stride;
vec_vsx_st(xxpermdi(v4, vec_vsx_ld(0, dst), 1), 0, dst);
dst += stride;
vec_vsx_st(xxpermdi(v5, vec_vsx_ld(0, dst), 1), 0, dst);
dst += stride;
vec_vsx_st(xxpermdi(v6, vec_vsx_ld(0, dst), 1), 0, dst);
dst += stride;
vec_vsx_st(xxpermdi(v7, vec_vsx_ld(0, dst), 1), 0, dst);
}
void vpx_h_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const uint8x16_t d = vec_vsx_ld(0, left);

2
vpx_dsp/vpx_dsp_rtcd_defs.pl
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@ -81,7 +81,7 @@ add_proto qw/void vpx_d63_predictor_8x8/, "uint8_t *dst, ptrdiff_t y_stride, con
specialize qw/vpx_d63_predictor_8x8 ssse3 vsx/;
add_proto qw/void vpx_h_predictor_8x8/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vpx_h_predictor_8x8 neon dspr2 msa sse2/;
specialize qw/vpx_h_predictor_8x8 neon dspr2 msa sse2 vsx/;
add_proto qw/void vpx_d117_predictor_8x8/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";