ppc: horizontal predictor 16x16

About 10x faster.

Change-Id: Ie81077fa32ad214cdb46bdcb0be4e9e2c7df47c2

1 files changed, 58 insertions, 0 deletions

diff --git a/vpx_dsp/ppc/intrapred_vsx.c b/vpx_dsp/ppc/intrapred_vsx.c
index 16e08eec4..d803d3876 100644
--- a/vpx_dsp/ppc/intrapred_vsx.c
+++ b/vpx_dsp/ppc/intrapred_vsx.c
@@ -34,3 +34,61 @@ void vpx_v_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride,
     vec_vsx_st(d1, 16, 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);
+  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);
+
+  const uint8x16_t v8 = vec_splat(d, 8);
+  const uint8x16_t v9 = vec_splat(d, 9);
+  const uint8x16_t v10 = vec_splat(d, 10);
+  const uint8x16_t v11 = vec_splat(d, 11);
+
+  const uint8x16_t v12 = vec_splat(d, 12);
+  const uint8x16_t v13 = vec_splat(d, 13);
+  const uint8x16_t v14 = vec_splat(d, 14);
+  const uint8x16_t v15 = vec_splat(d, 15);
+
+  (void)above;
+
+  vec_vsx_st(v0, 0, dst);
+  dst += stride;
+  vec_vsx_st(v1, 0, dst);
+  dst += stride;
+  vec_vsx_st(v2, 0, dst);
+  dst += stride;
+  vec_vsx_st(v3, 0, dst);
+  dst += stride;
+  vec_vsx_st(v4, 0, dst);
+  dst += stride;
+  vec_vsx_st(v5, 0, dst);
+  dst += stride;
+  vec_vsx_st(v6, 0, dst);
+  dst += stride;
+  vec_vsx_st(v7, 0, dst);
+  dst += stride;
+  vec_vsx_st(v8, 0, dst);
+  dst += stride;
+  vec_vsx_st(v9, 0, dst);
+  dst += stride;
+  vec_vsx_st(v10, 0, dst);
+  dst += stride;
+  vec_vsx_st(v11, 0, dst);
+  dst += stride;
+  vec_vsx_st(v12, 0, dst);
+  dst += stride;
+  vec_vsx_st(v13, 0, dst);
+  dst += stride;
+  vec_vsx_st(v14, 0, dst);
+  dst += stride;
+  vec_vsx_st(v15, 0, dst);
+}