Merge "mips msa vp9 convolve8 avg horiz optimization"

3 files changed, 784 insertions, 1 deletions

diff --git a/vp9/common/mips/msa/vp9_convolve8_avg_horiz_msa.c b/vp9/common/mips/msa/vp9_convolve8_avg_horiz_msa.c
new file mode 100644
index 000000000..89364cb95
--- /dev/null
+++ b/vp9/common/mips/msa/vp9_convolve8_avg_horiz_msa.c
@@ -0,0 +1,782 @@
+/*
+ *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "./vp9_rtcd.h"
+#include "vp9/common/mips/msa/vp9_convolve_msa.h"
+
+static void common_hz_8t_and_aver_dst_4x4_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter) {
+  v16i8 src0, src1, src2, src3, filt0, filt1, filt2, filt3;
+  v16u8 dst0, dst1, dst2, dst3, res2, res3;
+  v16u8 mask0, mask1, mask2, mask3;
+  v8i16 filt, res0, res1;
+
+  mask0 = LD_UB(&mc_filt_mask_arr[16]);
+  src -= 3;
+
+  /* rearranging filter */
+  filt = LD_SH(filter);
+  SPLATI_H4_SB(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+
+  mask1 = mask0 + 2;
+  mask2 = mask0 + 4;
+  mask3 = mask0 + 6;
+
+  LD_SB4(src, src_stride, src0, src1, src2, src3);
+  XORI_B4_128_SB(src0, src1, src2, src3);
+  HORIZ_8TAP_4WID_4VECS_FILT(src0, src1, src2, src3, mask0, mask1, mask2, mask3,
+                             filt0, filt1, filt2, filt3, res0, res1);
+  LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+  SRARI_H2_SH(res0, res1, FILTER_BITS);
+  SAT_SH2_SH(res0, res1, 7);
+  PCKEV_B2_UB(res0, res0, res1, res1, res2, res3);
+  ILVR_W2_UB(dst1, dst0, dst3, dst2, dst0, dst2);
+  XORI_B2_128_UB(res2, res3);
+  AVER_UB2_UB(res2, dst0, res3, dst2, res2, res3);
+  ST4x4_UB(res2, res3, 0, 1, 0, 1, dst, dst_stride);
+}
+
+static void common_hz_8t_and_aver_dst_4x8_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter) {
+  v16i8 src0, src1, src2, src3, filt0, filt1, filt2, filt3;
+  v16u8 mask0, mask1, mask2, mask3, res0, res1, res2, res3;
+  v16u8 dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7;
+  v8i16 filt, vec0, vec1, vec2, vec3;
+
+  mask0 = LD_UB(&mc_filt_mask_arr[16]);
+  src -= 3;
+
+  /* rearranging filter */
+  filt = LD_SH(filter);
+  SPLATI_H4_SB(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+
+  mask1 = mask0 + 2;
+  mask2 = mask0 + 4;
+  mask3 = mask0 + 6;
+
+  LD_SB4(src, src_stride, src0, src1, src2, src3);
+  XORI_B4_128_SB(src0, src1, src2, src3);
+  src += (4 * src_stride);
+  LD_UB8(dst, dst_stride, dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7);
+  HORIZ_8TAP_4WID_4VECS_FILT(src0, src1, src2, src3, mask0, mask1, mask2, mask3,
+                             filt0, filt1, filt2, filt3, vec0, vec1);
+  LD_SB4(src, src_stride, src0, src1, src2, src3);
+  XORI_B4_128_SB(src0, src1, src2, src3);
+  HORIZ_8TAP_4WID_4VECS_FILT(src0, src1, src2, src3, mask0, mask1, mask2, mask3,
+                             filt0, filt1, filt2, filt3, vec2, vec3);
+  SRARI_H4_SH(vec0, vec1, vec2, vec3, FILTER_BITS);
+  SAT_SH4_SH(vec0, vec1, vec2, vec3, 7);
+  PCKEV_B4_UB(vec0, vec0, vec1, vec1, vec2, vec2, vec3, vec3, res0, res1, res2,
+              res3);
+  ILVR_D2_UB(res1, res0, res3, res2, res0, res2);
+  XORI_B2_128_UB(res0, res2);
+  ILVR_W4_UB(dst1, dst0, dst3, dst2, dst5, dst4, dst7, dst6, dst0, dst2, dst4,
+             dst6);
+  ILVR_D2_UB(dst2, dst0, dst6, dst4, dst0, dst4);
+  AVER_UB2_UB(res0, dst0, res2, dst4, res0, res2);
+  ST4x8_UB(res0, res2, dst, dst_stride);
+}
+
+static void common_hz_8t_and_aver_dst_4w_msa(const uint8_t *src,
+                                             int32_t src_stride,
+                                             uint8_t *dst,
+                                             int32_t dst_stride,
+                                             int8_t *filter,
+                                             int32_t height) {
+  if (4 == height) {
+    common_hz_8t_and_aver_dst_4x4_msa(src, src_stride, dst, dst_stride, filter);
+  } else if (8 == height) {
+    common_hz_8t_and_aver_dst_4x8_msa(src, src_stride, dst, dst_stride, filter);
+  }
+}
+
+static void common_hz_8t_and_aver_dst_8w_msa(const uint8_t *src,
+                                             int32_t src_stride,
+                                             uint8_t *dst,
+                                             int32_t dst_stride,
+                                             int8_t *filter,
+                                             int32_t height) {
+  int32_t loop_cnt;
+  v16i8 src0, src1, src2, src3, filt0, filt1, filt2, filt3;
+  v16u8 mask0, mask1, mask2, mask3, dst0, dst1, dst2, dst3;
+  v8i16 filt, out0, out1, out2, out3;
+
+  mask0 = LD_UB(&mc_filt_mask_arr[0]);
+  src -= 3;
+
+  /* rearranging filter */
+  filt = LD_SH(filter);
+  SPLATI_H4_SB(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+
+  mask1 = mask0 + 2;
+  mask2 = mask0 + 4;
+  mask3 = mask0 + 6;
+
+  for (loop_cnt = (height >> 2); loop_cnt--;) {
+    LD_SB4(src, src_stride, src0, src1, src2, src3);
+    XORI_B4_128_SB(src0, src1, src2, src3);
+    src += (4 * src_stride);
+    HORIZ_8TAP_8WID_4VECS_FILT(src0, src1, src2, src3, mask0, mask1, mask2,
+                               mask3, filt0, filt1, filt2, filt3, out0, out1,
+                               out2, out3);
+    LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+    SRARI_H4_SH(out0, out1, out2, out3, FILTER_BITS);
+    SAT_SH4_SH(out0, out1, out2, out3, 7);
+    CONVERT_UB_AVG_ST8x4_UB(out0, out1, out2, out3, dst0, dst1, dst2, dst3,
+                            dst, dst_stride);
+    dst += (4 * dst_stride);
+  }
+}
+
+static void common_hz_8t_and_aver_dst_16w_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter,
+                                              int32_t height) {
+  int32_t loop_cnt;
+  v16i8 src0, src1, src2, src3, filt0, filt1, filt2, filt3;
+  v16u8 mask0, mask1, mask2, mask3, dst0, dst1;
+  v8i16 filt, out0, out1, out2, out3;
+  v8i16 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
+  v8i16 vec8, vec9, vec10, vec11, vec12, vec13, vec14, vec15;
+
+  mask0 = LD_UB(&mc_filt_mask_arr[0]);
+  src -= 3;
+
+  /* rearranging filter */
+  filt = LD_SH(filter);
+  SPLATI_H4_SB(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+
+  mask1 = mask0 + 2;
+  mask2 = mask0 + 4;
+  mask3 = mask0 + 6;
+
+  for (loop_cnt = height >> 1; loop_cnt--;) {
+    LD_SB2(src, src_stride, src0, src2);
+    LD_SB2(src + 8, src_stride, src1, src3);
+    src += (2 * src_stride);
+
+    XORI_B4_128_SB(src0, src1, src2, src3);
+    VSHF_B4_SH(src0, src0, mask0, mask1, mask2, mask3, vec0, vec4, vec8, vec12);
+    VSHF_B4_SH(src1, src1, mask0, mask1, mask2, mask3, vec1, vec5, vec9, vec13);
+    VSHF_B4_SH(src2, src2, mask0, mask1, mask2, mask3, vec2, vec6, vec10,
+               vec14);
+    VSHF_B4_SH(src3, src3, mask0, mask1, mask2, mask3, vec3, vec7, vec11,
+               vec15);
+    DOTP_SB4_SH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec0, vec1,
+                vec2, vec3);
+    DOTP_SB4_SH(vec8, vec9, vec10, vec11, filt2, filt2, filt2, filt2, vec8,
+                vec9, vec10, vec11);
+    DPADD_SB4_SH(vec4, vec5, vec6, vec7, filt1, filt1, filt1, filt1, vec0, vec1,
+                 vec2, vec3);
+    DPADD_SB4_SH(vec12, vec13, vec14, vec15, filt3, filt3, filt3, filt3, vec8,
+                 vec9, vec10, vec11);
+    ADDS_SH4_SH(vec0, vec8, vec1, vec9, vec2, vec10, vec3, vec11, out0, out1,
+                out2, out3);
+    LD_UB2(dst, dst_stride, dst0, dst1);
+    SRARI_H4_SH(out0, out1, out2, out3, FILTER_BITS);
+    SAT_SH4_SH(out0, out1, out2, out3, 7);
+    PCKEV_XORI128_AVG_ST_UB(out1, out0, dst0, dst);
+    dst += dst_stride;
+    PCKEV_XORI128_AVG_ST_UB(out3, out2, dst1, dst);
+    dst += dst_stride;
+  }
+}
+
+static void common_hz_8t_and_aver_dst_32w_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter,
+                                              int32_t height) {
+  uint32_t loop_cnt;
+  v16i8 src0, src1, src2, src3, filt0, filt1, filt2, filt3;
+  v16u8 dst1, dst2, mask0, mask1, mask2, mask3;
+  v8i16 filt, out0, out1, out2, out3;
+  v8i16 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
+  v8i16 vec8, vec9, vec10, vec11, vec12, vec13, vec14, vec15;
+
+  mask0 = LD_UB(&mc_filt_mask_arr[0]);
+  src -= 3;
+
+  /* rearranging filter */
+  filt = LD_SH(filter);
+  SPLATI_H4_SB(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+
+  mask1 = mask0 + 2;
+  mask2 = mask0 + 4;
+  mask3 = mask0 + 6;
+
+  for (loop_cnt = height; loop_cnt--;) {
+    src0 = LD_SB(src);
+    src2 = LD_SB(src + 16);
+    src3 = LD_SB(src + 24);
+    src1 = __msa_sldi_b(src2, src0, 8);
+    src += src_stride;
+
+    XORI_B4_128_SB(src0, src1, src2, src3);
+    VSHF_B4_SH(src0, src0, mask0, mask1, mask2, mask3, vec0, vec4, vec8, vec12);
+    VSHF_B4_SH(src1, src1, mask0, mask1, mask2, mask3, vec1, vec5, vec9, vec13);
+    VSHF_B4_SH(src2, src2, mask0, mask1, mask2, mask3, vec2, vec6, vec10,
+               vec14);
+    VSHF_B4_SH(src3, src3, mask0, mask1, mask2, mask3, vec3, vec7, vec11,
+               vec15);
+    DOTP_SB4_SH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec0, vec1,
+                vec2, vec3);
+    DOTP_SB4_SH(vec8, vec9, vec10, vec11, filt2, filt2, filt2, filt2, vec8,
+                vec9, vec10, vec11);
+    DPADD_SB4_SH(vec4, vec5, vec6, vec7, filt1, filt1, filt1, filt1, vec0, vec1,
+                 vec2, vec3);
+    DPADD_SB4_SH(vec12, vec13, vec14, vec15, filt3, filt3, filt3, filt3, vec8,
+                 vec9, vec10, vec11);
+    ADDS_SH4_SH(vec0, vec8, vec1, vec9, vec2, vec10, vec3, vec11, out0, out1,
+                out2, out3);
+    SRARI_H4_SH(out0, out1, out2, out3, FILTER_BITS);
+    SAT_SH4_SH(out0, out1, out2, out3, 7);
+    LD_UB2(dst, 16, dst1, dst2);
+    PCKEV_XORI128_AVG_ST_UB(out1, out0, dst1, dst);
+    PCKEV_XORI128_AVG_ST_UB(out3, out2, dst2, dst + 16);
+    dst += dst_stride;
+  }
+}
+
+static void common_hz_8t_and_aver_dst_64w_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter,
+                                              int32_t height) {
+  uint32_t loop_cnt, cnt;
+  v16i8 src0, src1, src2, src3, filt0, filt1, filt2, filt3;
+  v16u8 dst1, dst2, mask0, mask1, mask2, mask3;
+  v8i16 filt, out0, out1, out2, out3;
+  v8i16 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
+  v8i16 vec8, vec9, vec10, vec11, vec12, vec13, vec14, vec15;
+
+  mask0 = LD_UB(&mc_filt_mask_arr[0]);
+  src -= 3;
+
+  /* rearranging filter */
+  filt = LD_SH(filter);
+  SPLATI_H4_SB(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+
+  mask1 = mask0 + 2;
+  mask2 = mask0 + 4;
+  mask3 = mask0 + 6;
+
+  for (loop_cnt = height; loop_cnt--;) {
+    for (cnt = 0; cnt < 2; ++cnt) {
+      src0 = LD_SB(&src[cnt << 5]);
+      src2 = LD_SB(&src[16 + (cnt << 5)]);
+      src3 = LD_SB(&src[24 + (cnt << 5)]);
+      src1 = __msa_sldi_b(src2, src0, 8);
+
+      XORI_B4_128_SB(src0, src1, src2, src3);
+      VSHF_B4_SH(src0, src0, mask0, mask1, mask2, mask3, vec0, vec4, vec8,
+                 vec12);
+      VSHF_B4_SH(src1, src1, mask0, mask1, mask2, mask3, vec1, vec5, vec9,
+                 vec13);
+      VSHF_B4_SH(src2, src2, mask0, mask1, mask2, mask3, vec2, vec6, vec10,
+                 vec14);
+      VSHF_B4_SH(src3, src3, mask0, mask1, mask2, mask3, vec3, vec7, vec11,
+                 vec15);
+      DOTP_SB4_SH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec0,
+                  vec1, vec2, vec3);
+      DOTP_SB4_SH(vec8, vec9, vec10, vec11, filt2, filt2, filt2, filt2, vec8,
+                  vec9, vec10, vec11);
+      DPADD_SB4_SH(vec4, vec5, vec6, vec7, filt1, filt1, filt1, filt1, vec0,
+                   vec1, vec2, vec3);
+      DPADD_SB4_SH(vec12, vec13, vec14, vec15, filt3, filt3, filt3, filt3, vec8,
+                   vec9, vec10, vec11);
+      ADDS_SH4_SH(vec0, vec8, vec1, vec9, vec2, vec10, vec3, vec11, out0, out1,
+                  out2, out3);
+      SRARI_H4_SH(out0, out1, out2, out3, FILTER_BITS);
+      SAT_SH4_SH(out0, out1, out2, out3, 7);
+      LD_UB2(&dst[cnt << 5], 16, dst1, dst2);
+      PCKEV_XORI128_AVG_ST_UB(out1, out0, dst1, &dst[cnt << 5]);
+      PCKEV_XORI128_AVG_ST_UB(out3, out2, dst2, &dst[16 + (cnt << 5)]);
+    }
+
+    src += src_stride;
+    dst += dst_stride;
+  }
+}
+
+static void common_hz_2t_and_aver_dst_4x4_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter) {
+  v16i8 src0, src1, src2, src3, mask;
+  v16u8 filt0, dst0, dst1, dst2, dst3, vec0, vec1, res0, res1;
+  v8u16 vec2, vec3, const255, filt;
+
+  mask = LD_SB(&mc_filt_mask_arr[16]);
+
+  /* rearranging filter */
+  filt = LD_UH(filter);
+  filt0 = (v16u8)__msa_splati_h((v8i16)filt, 0);
+
+  const255 = (v8u16)__msa_ldi_h(255);
+
+  LD_SB4(src, src_stride, src0, src1, src2, src3);
+  LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+  VSHF_B2_UB(src0, src1, src2, src3, mask, mask, vec0, vec1);
+  DOTP_UB2_UH(vec0, vec1, filt0, filt0, vec2, vec3);
+  SRARI_H2_UH(vec2, vec3, FILTER_BITS);
+  MIN_UH2_UH(vec2, vec3, const255);
+  PCKEV_B2_UB(vec2, vec2, vec3, vec3, res0, res1);
+  ILVR_W2_UB(dst1, dst0, dst3, dst2, dst0, dst2);
+  AVER_UB2_UB(res0, dst0, res1, dst2, res0, res1);
+  ST4x4_UB(res0, res1, 0, 1, 0, 1, dst, dst_stride);
+}
+
+static void common_hz_2t_and_aver_dst_4x8_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter) {
+  v16i8 src0, src1, src2, src3, src4, src5, src6, src7, mask;
+  v16u8 filt0, vec0, vec1, vec2, vec3, res0, res1, res2, res3;
+  v16u8 dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7;
+  v8u16 vec4, vec5, vec6, vec7, const255, filt;
+
+  mask = LD_SB(&mc_filt_mask_arr[16]);
+
+  /* rearranging filter */
+  filt = LD_UH(filter);
+  filt0 = (v16u8)__msa_splati_h((v8i16)filt, 0);
+
+  const255 = (v8u16)__msa_ldi_h(255);
+
+  LD_SB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
+  LD_UB8(dst, dst_stride, dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7);
+  VSHF_B2_UB(src0, src1, src2, src3, mask, mask, vec0, vec1);
+  VSHF_B2_UB(src4, src5, src6, src7, mask, mask, vec2, vec3);
+  DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec4, vec5,
+              vec6, vec7);
+  SRARI_H4_UH(vec4, vec5, vec6, vec7, FILTER_BITS);
+  MIN_UH4_UH(vec4, vec5, vec6, vec7, const255);
+  PCKEV_B4_UB(vec4, vec4, vec5, vec5, vec6, vec6, vec7, vec7, res0, res1, res2,
+              res3);
+  ILVR_W4_UB(dst1, dst0, dst3, dst2, dst5, dst4, dst7, dst6, dst0, dst2, dst4,
+             dst6);
+  AVER_UB4_UB(res0, dst0, res1, dst2, res2, dst4, res3, dst6, res0, res1, res2,
+              res3);
+  ST4x4_UB(res0, res1, 0, 1, 0, 1, dst, dst_stride);
+  dst += (4 * dst_stride);
+  ST4x4_UB(res2, res3, 0, 1, 0, 1, dst, dst_stride);
+}
+
+static void common_hz_2t_and_aver_dst_4w_msa(const uint8_t *src,
+                                             int32_t src_stride,
+                                             uint8_t *dst,
+                                             int32_t dst_stride,
+                                             int8_t *filter,
+                                             int32_t height) {
+  if (4 == height) {
+    common_hz_2t_and_aver_dst_4x4_msa(src, src_stride, dst, dst_stride, filter);
+  } else if (8 == height) {
+    common_hz_2t_and_aver_dst_4x8_msa(src, src_stride, dst, dst_stride, filter);
+  }
+}
+
+static void common_hz_2t_and_aver_dst_8x4_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter) {
+  v16i8 src0, src1, src2, src3, mask;
+  v16u8 filt0, dst0, dst1, dst2, dst3;
+  v8u16 vec0, vec1, vec2, vec3, const255, filt;
+
+  mask = LD_SB(&mc_filt_mask_arr[0]);
+
+  /* rearranging filter */
+  filt = LD_UH(filter);
+  filt0 = (v16u8)__msa_splati_h((v8i16)filt, 0);
+
+  const255 = (v8u16)__msa_ldi_h(255);
+
+  LD_SB4(src, src_stride, src0, src1, src2, src3);
+  VSHF_B2_UH(src0, src0, src1, src1, mask, mask, vec0, vec1);
+  VSHF_B2_UH(src2, src2, src3, src3, mask, mask, vec2, vec3);
+  DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec0, vec1,
+              vec2, vec3);
+  SRARI_H4_UH(vec0, vec1, vec2, vec3, FILTER_BITS);
+  LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+  MIN_UH4_UH(vec0, vec1, vec2, vec3, const255);
+  PCKEV_AVG_ST8x4_UB(vec0, dst0, vec1, dst1, vec2, dst2, vec3, dst3,
+                     dst, dst_stride);
+}
+
+static void common_hz_2t_and_aver_dst_8x8mult_msa(const uint8_t *src,
+                                                  int32_t src_stride,
+                                                  uint8_t *dst,
+                                                  int32_t dst_stride,
+                                                  int8_t *filter,
+                                                  int32_t height) {
+  v16i8 src0, src1, src2, src3, mask;
+  v16u8 filt0, dst0, dst1, dst2, dst3;
+  v8u16 vec0, vec1, vec2, vec3, const255, filt;
+
+  mask = LD_SB(&mc_filt_mask_arr[0]);
+
+  /* rearranging filter */
+  filt = LD_UH(filter);
+  filt0 = (v16u8)__msa_splati_h((v8i16)filt, 0);
+
+  const255 = (v8u16)__msa_ldi_h(255);
+
+  LD_SB4(src, src_stride, src0, src1, src2, src3);
+  src += (4 * src_stride);
+  VSHF_B2_UH(src0, src0, src1, src1, mask, mask, vec0, vec1);
+  VSHF_B2_UH(src2, src2, src3, src3, mask, mask, vec2, vec3);
+  DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec0, vec1,
+              vec2, vec3);
+  SRARI_H4_UH(vec0, vec1, vec2, vec3, FILTER_BITS);
+  LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+  MIN_UH4_UH(vec0, vec1, vec2, vec3, const255);
+  LD_SB4(src, src_stride, src0, src1, src2, src3);
+  src += (4 * src_stride);
+  PCKEV_AVG_ST8x4_UB(vec0, dst0, vec1, dst1, vec2, dst2, vec3, dst3,
+                     dst, dst_stride);
+  dst += (4 * dst_stride);
+
+  VSHF_B2_UH(src0, src0, src1, src1, mask, mask, vec0, vec1);
+  VSHF_B2_UH(src2, src2, src3, src3, mask, mask, vec2, vec3);
+  DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec0, vec1,
+              vec2, vec3);
+  SRARI_H4_UH(vec0, vec1, vec2, vec3, FILTER_BITS);
+  LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+  MIN_UH4_UH(vec0, vec1, vec2, vec3, const255);
+  PCKEV_AVG_ST8x4_UB(vec0, dst0, vec1, dst1, vec2, dst2, vec3, dst3,
+                     dst, dst_stride);
+  dst += (4 * dst_stride);
+
+  if (16 == height) {
+    LD_SB4(src, src_stride, src0, src1, src2, src3);
+    src += (4 * src_stride);
+
+    VSHF_B2_UH(src0, src0, src1, src1, mask, mask, vec0, vec1);
+    VSHF_B2_UH(src2, src2, src3, src3, mask, mask, vec2, vec3);
+    DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec0, vec1,
+                vec2, vec3);
+    SRARI_H4_UH(vec0, vec1, vec2, vec3, FILTER_BITS);
+    LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+    MIN_UH4_UH(vec0, vec1, vec2, vec3, const255);
+    LD_SB4(src, src_stride, src0, src1, src2, src3);
+    PCKEV_AVG_ST8x4_UB(vec0, dst0, vec1, dst1, vec2, dst2, vec3, dst3,
+                       dst, dst_stride);
+    dst += (4 * dst_stride);
+
+    VSHF_B2_UH(src0, src0, src1, src1, mask, mask, vec0, vec1);
+    VSHF_B2_UH(src2, src2, src3, src3, mask, mask, vec2, vec3);
+    DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, vec0, vec1,
+                vec2, vec3);
+    SRARI_H4_UH(vec0, vec1, vec2, vec3, FILTER_BITS);
+    LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+    MIN_UH4_UH(vec0, vec1, vec2, vec3, const255);
+    PCKEV_AVG_ST8x4_UB(vec0, dst0, vec1, dst1, vec2, dst2, vec3, dst3,
+                       dst, dst_stride);
+  }
+}
+
+static void common_hz_2t_and_aver_dst_8w_msa(const uint8_t *src,
+                                             int32_t src_stride,
+                                             uint8_t *dst,
+                                             int32_t dst_stride,
+                                             int8_t *filter,
+                                             int32_t height) {
+  if (4 == height) {
+    common_hz_2t_and_aver_dst_8x4_msa(src, src_stride, dst, dst_stride, filter);
+  } else {
+    common_hz_2t_and_aver_dst_8x8mult_msa(src, src_stride, dst, dst_stride,
+                                          filter, height);
+  }
+}
+
+static void common_hz_2t_and_aver_dst_16w_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter,
+                                              int32_t height) {
+  uint32_t loop_cnt;
+  v16i8 src0, src1, src2, src3, src4, src5, src6, src7, mask;
+  v16u8 filt0, dst0, dst1, dst2, dst3;
+  v16u8 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
+  v8u16 res0, res1, res2, res3, res4, res5, res6, res7, const255, filt;
+
+  mask = LD_SB(&mc_filt_mask_arr[0]);
+
+  /* rearranging filter */
+  filt = LD_UH(filter);
+  filt0 = (v16u8)__msa_splati_h((v8i16)filt, 0);
+
+  const255 = (v8u16)__msa_ldi_h(255);
+
+  LD_SB4(src, src_stride, src0, src2, src4, src6);
+  LD_SB4(src + 8, src_stride, src1, src3, src5, src7);
+  src += (4 * src_stride);
+
+  VSHF_B2_UB(src0, src0, src1, src1, mask, mask, vec0, vec1);
+  VSHF_B2_UB(src2, src2, src3, src3, mask, mask, vec2, vec3);
+  VSHF_B2_UB(src4, src4, src5, src5, mask, mask, vec4, vec5);
+  VSHF_B2_UB(src6, src6, src7, src7, mask, mask, vec6, vec7);
+  DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, res0, res1,
+              res2, res3);
+  DOTP_UB4_UH(vec4, vec5, vec6, vec7, filt0, filt0, filt0, filt0, res4, res5,
+              res6, res7);
+  SRARI_H4_UH(res0, res1, res2, res3, FILTER_BITS);
+  SRARI_H4_UH(res4, res5, res6, res7, FILTER_BITS);
+  LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+  MIN_UH4_UH(res0, res1, res2, res3, const255);
+  MIN_UH4_UH(res4, res5, res6, res7, const255);
+  PCKEV_AVG_ST_UB(res1, res0, dst0, dst);
+  dst += dst_stride;
+  PCKEV_AVG_ST_UB(res3, res2, dst1, dst);
+  dst += dst_stride;
+  PCKEV_AVG_ST_UB(res5, res4, dst2, dst);
+  dst += dst_stride;
+  PCKEV_AVG_ST_UB(res7, res6, dst3, dst);
+  dst += dst_stride;
+
+  for (loop_cnt = (height >> 2) - 1; loop_cnt--;) {
+    LD_SB4(src, src_stride, src0, src2, src4, src6);
+    LD_SB4(src + 8, src_stride, src1, src3, src5, src7);
+    src += (4 * src_stride);
+
+    VSHF_B2_UB(src0, src0, src1, src1, mask, mask, vec0, vec1);
+    VSHF_B2_UB(src2, src2, src3, src3, mask, mask, vec2, vec3);
+    VSHF_B2_UB(src4, src4, src5, src5, mask, mask, vec4, vec5);
+    VSHF_B2_UB(src6, src6, src7, src7, mask, mask, vec6, vec7);
+    DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, res0, res1,
+                res2, res3);
+    DOTP_UB4_UH(vec4, vec5, vec6, vec7, filt0, filt0, filt0, filt0, res4, res5,
+                res6, res7);
+    SRARI_H4_UH(res0, res1, res2, res3, FILTER_BITS);
+    SRARI_H4_UH(res4, res5, res6, res7, FILTER_BITS);
+    LD_UB4(dst, dst_stride, dst0, dst1, dst2, dst3);
+    MIN_UH4_UH(res0, res1, res2, res3, const255);
+    MIN_UH4_UH(res4, res5, res6, res7, const255);
+    PCKEV_AVG_ST_UB(res1, res0, dst0, dst);
+    dst += dst_stride;
+    PCKEV_AVG_ST_UB(res3, res2, dst1, dst);
+    dst += dst_stride;
+    PCKEV_AVG_ST_UB(res5, res4, dst2, dst);
+    dst += dst_stride;
+    PCKEV_AVG_ST_UB(res7, res6, dst3, dst);
+    dst += dst_stride;
+  }
+}
+
+static void common_hz_2t_and_aver_dst_32w_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter,
+                                              int32_t height) {
+  uint32_t loop_cnt;
+  v16i8 src0, src1, src2, src3, src4, src5, src6, src7, mask;
+  v16u8 filt0, dst0, dst1, dst2, dst3;
+  v16u8 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
+  v8u16 res0, res1, res2, res3, res4, res5, res6, res7, const255, filt;
+
+  mask = LD_SB(&mc_filt_mask_arr[0]);
+
+  /* rearranging filter */
+  filt = LD_UH(filter);
+  filt0 = (v16u8)__msa_splati_h((v8i16)filt, 0);
+
+  const255 = (v8u16)__msa_ldi_h(255);
+
+  for (loop_cnt = (height >> 1); loop_cnt--;) {
+    src0 = LD_SB(src);
+    src2 = LD_SB(src + 16);
+    src3 = LD_SB(src + 24);
+    src1 = __msa_sldi_b(src2, src0, 8);
+    src += src_stride;
+    src4 = LD_SB(src);
+    src6 = LD_SB(src + 16);
+    src7 = LD_SB(src + 24);
+    src5 = __msa_sldi_b(src6, src4, 8);
+    src += src_stride;
+
+    VSHF_B2_UB(src0, src0, src1, src1, mask, mask, vec0, vec1);
+    VSHF_B2_UB(src2, src2, src3, src3, mask, mask, vec2, vec3);
+    VSHF_B2_UB(src4, src4, src5, src5, mask, mask, vec4, vec5);
+    VSHF_B2_UB(src6, src6, src7, src7, mask, mask, vec6, vec7);
+    DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, res0, res1,
+                res2, res3);
+    DOTP_UB4_UH(vec4, vec5, vec6, vec7, filt0, filt0, filt0, filt0, res4, res5,
+                res6, res7);
+    SRARI_H4_UH(res0, res1, res2, res3, FILTER_BITS);
+    SRARI_H4_UH(res4, res5, res6, res7, FILTER_BITS);
+    MIN_UH4_UH(res0, res1, res2, res3, const255);
+    MIN_UH4_UH(res4, res5, res6, res7, const255);
+    LD_UB2(dst, 16, dst0, dst1);
+    PCKEV_AVG_ST_UB(res1, res0, dst0, dst);
+    PCKEV_AVG_ST_UB(res3, res2, dst1, (dst + 16));
+    dst += dst_stride;
+    LD_UB2(dst, 16, dst2, dst3);
+    PCKEV_AVG_ST_UB(res5, res4, dst2, dst);
+    PCKEV_AVG_ST_UB(res7, res6, dst3, (dst + 16));
+    dst += dst_stride;
+  }
+}
+
+static void common_hz_2t_and_aver_dst_64w_msa(const uint8_t *src,
+                                              int32_t src_stride,
+                                              uint8_t *dst,
+                                              int32_t dst_stride,
+                                              int8_t *filter,
+                                              int32_t height) {
+  uint32_t loop_cnt;
+  v16i8 src0, src1, src2, src3, src4, src5, src6, src7, mask;
+  v16u8 filt0, dst0, dst1, dst2, dst3;
+  v16u8 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
+  v8u16 out0, out1, out2, out3, out4, out5, out6, out7, const255, filt;
+
+  mask = LD_SB(&mc_filt_mask_arr[0]);
+
+  /* rearranging filter */
+  filt = LD_UH(filter);
+  filt0 = (v16u8)__msa_splati_h((v8i16)filt, 0);
+
+  const255 = (v8u16)__msa_ldi_h(255);
+
+  for (loop_cnt = height; loop_cnt--;) {
+    LD_SB4(src, 16, src0, src2, src4, src6);
+    src7 = LD_SB(src + 56);
+    SLDI_B3_SB(src2, src4, src6, src0, src2, src4, src1, src3, src5, 8);
+    src += src_stride;
+
+    VSHF_B2_UB(src0, src0, src1, src1, mask, mask, vec0, vec1);
+    VSHF_B2_UB(src2, src2, src3, src3, mask, mask, vec2, vec3);
+    VSHF_B2_UB(src4, src4, src5, src5, mask, mask, vec4, vec5);
+    VSHF_B2_UB(src6, src6, src7, src7, mask, mask, vec6, vec7);
+    DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt0, filt0, filt0, filt0, out0, out1,
+                out2, out3);
+    DOTP_UB4_UH(vec4, vec5, vec6, vec7, filt0, filt0, filt0, filt0, out4, out5,
+                out6, out7);
+    SRARI_H4_UH(out0, out1, out2, out3, FILTER_BITS);
+    SRARI_H4_UH(out4, out5, out6, out7, FILTER_BITS);
+    LD_UB4(dst, 16, dst0, dst1, dst2, dst3);
+    MIN_UH4_UH(out0, out1, out2, out3, const255);
+    MIN_UH4_UH(out4, out5, out6, out7, const255);
+    PCKEV_AVG_ST_UB(out1, out0, dst0, dst);
+    PCKEV_AVG_ST_UB(out3, out2, dst1, dst + 16);
+    PCKEV_AVG_ST_UB(out5, out4, dst2, dst + 32);
+    PCKEV_AVG_ST_UB(out7, out6, dst3, dst + 48);
+    dst += dst_stride;
+  }
+}
+
+void vp9_convolve8_avg_horiz_msa(const uint8_t *src, ptrdiff_t src_stride,
+                                 uint8_t *dst, ptrdiff_t dst_stride,
+                                 const int16_t *filter_x, int x_step_q4,
+                                 const int16_t *filter_y, int y_step_q4,
+                                 int w, int h) {
+  int8_t cnt, filt_hor[8];
+
+  if (16 != x_step_q4) {
+    vp9_convolve8_avg_horiz_c(src, src_stride, dst, dst_stride,
+                              filter_x, x_step_q4, filter_y, y_step_q4,
+                              w, h);
+    return;
+  }
+
+  if (((const int32_t *)filter_x)[1] == 0x800000) {
+    vp9_convolve_avg(src, src_stride, dst, dst_stride,
+                     filter_x, x_step_q4, filter_y, y_step_q4,
+                     w, h);
+    return;
+  }
+
+  for (cnt = 0; cnt < 8; ++cnt) {
+    filt_hor[cnt] = filter_x[cnt];
+  }
+
+  if (((const int32_t *)filter_x)[0] == 0) {
+    switch (w) {
+      case 4:
+        common_hz_2t_and_aver_dst_4w_msa(src, (int32_t)src_stride,
+                                         dst, (int32_t)dst_stride,
+                                         &filt_hor[3], h);
+        break;
+      case 8:
+        common_hz_2t_and_aver_dst_8w_msa(src, (int32_t)src_stride,
+                                         dst, (int32_t)dst_stride,
+                                         &filt_hor[3], h);
+        break;
+      case 16:
+        common_hz_2t_and_aver_dst_16w_msa(src, (int32_t)src_stride,
+                                          dst, (int32_t)dst_stride,
+                                          &filt_hor[3], h);
+        break;
+      case 32:
+        common_hz_2t_and_aver_dst_32w_msa(src, (int32_t)src_stride,
+                                          dst, (int32_t)dst_stride,
+                                          &filt_hor[3], h);
+        break;
+      case 64:
+        common_hz_2t_and_aver_dst_64w_msa(src, (int32_t)src_stride,
+                                          dst, (int32_t)dst_stride,
+                                          &filt_hor[3], h);
+        break;
+      default:
+        vp9_convolve8_avg_horiz_c(src, src_stride, dst, dst_stride,
+                                  filter_x, x_step_q4, filter_y, y_step_q4,
+                                  w, h);
+        break;
+    }
+  } else {
+    switch (w) {
+      case 4:
+        common_hz_8t_and_aver_dst_4w_msa(src, (int32_t)src_stride,
+                                         dst, (int32_t)dst_stride,
+                                         filt_hor, h);
+        break;
+      case 8:
+        common_hz_8t_and_aver_dst_8w_msa(src, (int32_t)src_stride,
+                                         dst, (int32_t)dst_stride,
+                                         filt_hor, h);
+        break;
+      case 16:
+        common_hz_8t_and_aver_dst_16w_msa(src, (int32_t)src_stride,
+                                          dst, (int32_t)dst_stride,
+                                          filt_hor, h);
+        break;
+      case 32:
+        common_hz_8t_and_aver_dst_32w_msa(src, (int32_t)src_stride,
+                                          dst, (int32_t)dst_stride,
+                                          filt_hor, h);
+        break;
+      case 64:
+        common_hz_8t_and_aver_dst_64w_msa(src, (int32_t)src_stride,
+                                          dst, (int32_t)dst_stride,
+                                          filt_hor, h);
+        break;
+      default:
+        vp9_convolve8_avg_horiz_c(src, src_stride, dst, dst_stride,
+                                  filter_x, x_step_q4, filter_y, y_step_q4,
+                                  w, h);
+        break;
+    }
+  }
+}
diff --git a/vp9/common/vp9_rtcd_defs.pl b/vp9/common/vp9_rtcd_defs.pl
index 170d634ae..da62f09b3 100644
--- a/vp9/common/vp9_rtcd_defs.pl
+++ b/vp9/common/vp9_rtcd_defs.pl
@@ -304,7 +304,7 @@ add_proto qw/void vp9_convolve8_avg/, "const uint8_t *src, ptrdiff_t src_stride,
 specialize qw/vp9_convolve8_avg sse2 ssse3 neon dspr2/;
 
 add_proto qw/void vp9_convolve8_avg_horiz/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4, const int16_t *filter_y, int y_step_q4, int w, int h";
-specialize qw/vp9_convolve8_avg_horiz sse2 ssse3 neon dspr2/;
+specialize qw/vp9_convolve8_avg_horiz sse2 ssse3 neon dspr2 msa/;
 
 add_proto qw/void vp9_convolve8_avg_vert/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4, const int16_t *filter_y, int y_step_q4, int w, int h";
 specialize qw/vp9_convolve8_avg_vert sse2 ssse3 neon dspr2 msa/;
diff --git a/vp9/vp9_common.mk b/vp9/vp9_common.mk
index 2ac5a4367..878dff369 100644
--- a/vp9/vp9_common.mk
+++ b/vp9/vp9_common.mk
@@ -132,6 +132,7 @@ VP9_COMMON_SRCS-$(HAVE_DSPR2)  += common/mips/dspr2/vp9_mblpf_vert_loopfilter_ds
 
 # common (msa)
 VP9_COMMON_SRCS-$(HAVE_MSA) += common/mips/msa/vp9_macros_msa.h
+VP9_COMMON_SRCS-$(HAVE_MSA) += common/mips/msa/vp9_convolve8_avg_horiz_msa.c
 VP9_COMMON_SRCS-$(HAVE_MSA) += common/mips/msa/vp9_convolve8_avg_vert_msa.c
 VP9_COMMON_SRCS-$(HAVE_MSA) += common/mips/msa/vp9_convolve8_horiz_msa.c
 VP9_COMMON_SRCS-$(HAVE_MSA) += common/mips/msa/vp9_convolve8_msa.c