From ee9325b0bd24ed0c9ed11f85a6d5aa1518b5e9c0 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Sun, 9 Apr 2017 15:07:03 +0000 Subject: [PATCH] ppc: tm predictor 4x4 Slightly faster. Change-Id: I0ca43f309b3d9b50435d69bd5be64b53a99bd191 --- test/test_intra_pred_speed.cc | 2 +- vpx_dsp/ppc/intrapred_vsx.c | 32 ++++++++++++++++++++++++++++++++ vpx_dsp/vpx_dsp_rtcd_defs.pl | 2 +- 3 files changed, 34 insertions(+), 2 deletions(-) diff --git a/test/test_intra_pred_speed.cc b/test/test_intra_pred_speed.cc index 2881cf8dc..34b20cbcf 100644 --- a/test/test_intra_pred_speed.cc +++ b/test/test_intra_pred_speed.cc @@ -315,7 +315,7 @@ INTRA_PRED_TEST(MSA, TestIntraPred32, vpx_dc_predictor_32x32_msa, #if HAVE_VSX INTRA_PRED_TEST(VSX, TestIntraPred4, NULL, NULL, NULL, NULL, NULL, vpx_h_predictor_4x4_vsx, NULL, NULL, 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, diff --git a/vpx_dsp/ppc/intrapred_vsx.c b/vpx_dsp/ppc/intrapred_vsx.c index 947c78760..8216e3e9e 100644 --- a/vpx_dsp/ppc/intrapred_vsx.c +++ b/vpx_dsp/ppc/intrapred_vsx.c @@ -201,6 +201,38 @@ void vpx_h_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, H_PREDICTOR_32(v15_1); } +void vpx_tm_predictor_4x4_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const int16x8_t tl = unpack_to_s16_h(vec_splat(vec_vsx_ld(-1, above), 0)); + const int16x8_t l = unpack_to_s16_h(vec_vsx_ld(0, left)); + const int16x8_t a = unpack_to_s16_h(vec_vsx_ld(0, above)); + int16x8_t tmp, val; + uint8x16_t d; + + d = vec_vsx_ld(0, dst); + tmp = unpack_to_s16_l(d); + val = vec_sub(vec_add(vec_splat(l, 0), a), tl); + vec_vsx_st(vec_sel(vec_packsu(val, tmp), d, (uint8x16_t)mask4), 0, dst); + dst += stride; + + d = vec_vsx_ld(0, dst); + tmp = unpack_to_s16_l(d); + val = vec_sub(vec_add(vec_splat(l, 1), a), tl); + vec_vsx_st(vec_sel(vec_packsu(val, tmp), d, (uint8x16_t)mask4), 0, dst); + dst += stride; + + d = vec_vsx_ld(0, dst); + tmp = unpack_to_s16_l(d); + val = vec_sub(vec_add(vec_splat(l, 2), a), tl); + vec_vsx_st(vec_sel(vec_packsu(val, tmp), d, (uint8x16_t)mask4), 0, dst); + dst += stride; + + d = vec_vsx_ld(0, dst); + tmp = unpack_to_s16_l(d); + val = vec_sub(vec_add(vec_splat(l, 3), a), tl); + vec_vsx_st(vec_sel(vec_packsu(val, tmp), d, (uint8x16_t)mask4), 0, dst); +} + void vpx_tm_predictor_8x8_vsx(uint8_t *dst, ptrdiff_t stride, const uint8_t *above, const uint8_t *left) { const int16x8_t tl = unpack_to_s16_h(vec_splat(vec_vsx_ld(-1, above), 0)); diff --git a/vpx_dsp/vpx_dsp_rtcd_defs.pl b/vpx_dsp/vpx_dsp_rtcd_defs.pl index cbd109716..ba458c872 100644 --- a/vpx_dsp/vpx_dsp_rtcd_defs.pl +++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl @@ -57,7 +57,7 @@ specialize qw/vpx_v_predictor_4x4 neon msa sse2/; add_proto qw/void vpx_ve_predictor_4x4/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left"; add_proto qw/void vpx_tm_predictor_4x4/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left"; -specialize qw/vpx_tm_predictor_4x4 neon dspr2 msa sse2/; +specialize qw/vpx_tm_predictor_4x4 neon dspr2 msa sse2 vsx/; add_proto qw/void vpx_dc_predictor_4x4/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left"; specialize qw/vpx_dc_predictor_4x4 dspr2 msa neon sse2/; -- 2.40.0