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| author | Luca Barbato <lu_zero@gentoo.org> | 2017-04-08 22:41:41 +0000 |
|---|---|---|
| committer | James Zern <jzern@google.com> | 2017-04-19 19:57:51 -0700 |
| commit | cc868da5266f164eff34d19e7431abd8056e6ea4 (patch) | |
| tree | 8df3aa4d9ed4718c51a7a738c5dd9d8a3490604a /vpx_dsp/ppc | |
| parent | 7a7dc9e62448d999eaf46f9564ffd8ec5f2fee6b (diff) | |
| download | libvpx-cc868da5266f164eff34d19e7431abd8056e6ea4.tar libvpx-cc868da5266f164eff34d19e7431abd8056e6ea4.tar.gz libvpx-cc868da5266f164eff34d19e7431abd8056e6ea4.tar.bz2 libvpx-cc868da5266f164eff34d19e7431abd8056e6ea4.zip | |
ppc: d45 predictor 32x32
About 12x faster.
Change-Id: I22c150256aefb4941861ab1f6c17d554fb694bed
Diffstat (limited to 'vpx_dsp/ppc')
| -rw-r--r-- | vpx_dsp/ppc/intrapred_vsx.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/vpx_dsp/ppc/intrapred_vsx.c b/vpx_dsp/ppc/intrapred_vsx.c index 6c7d7f94d..dba062762 100644 --- a/vpx_dsp/ppc/intrapred_vsx.c +++ b/vpx_dsp/ppc/intrapred_vsx.c @@ -518,3 +518,26 @@ void vpx_d45_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, row = vec_perm(row, above_right, sl1); } } + +void vpx_d45_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t a0 = vec_vsx_ld(0, above); + const uint8x16_t a1 = vec_vsx_ld(16, above); + const uint8x16_t above_right = vec_splat(a1, 15); + const uint8x16_t b0 = vec_perm(a0, a1, sl1); + const uint8x16_t b1 = vec_perm(a1, above_right, sl1); + const uint8x16_t c0 = vec_perm(b0, b1, sl1); + const uint8x16_t c1 = vec_perm(b1, above_right, sl1); + uint8x16_t row0 = avg3(a0, b0, c0); + uint8x16_t row1 = avg3(a1, b1, c1); + int i; + (void)left; + + for (i = 0; i < 32; i++) { + vec_vsx_st(row0, 0, dst); + vec_vsx_st(row1, 16, dst); + dst += stride; + row0 = vec_perm(row0, row1, sl1); + row1 = vec_perm(row1, above_right, sl1); + } +} |