avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for VP9 intra functions

Signed-off-by: Shivraj Patil <shivraj.patil@imgtec.com>
Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

4 files changed, 619 insertions, 1 deletions

diff --git a/libavcodec/mips/Makefile b/libavcodec/mips/Makefile
index 7cbad54a5a..f54344810e 100644
--- a/libavcodec/mips/Makefile
+++ b/libavcodec/mips/Makefile
@@ -45,7 +45,8 @@ MSA-OBJS-$(CONFIG_HEVC_DECODER)           += mips/hevcdsp_msa.o            \
                                              mips/hevcpred_msa.o
 MSA-OBJS-$(CONFIG_VP9_DECODER)            += mips/vp9_mc_msa.o             \
                                              mips/vp9_lpf_msa.o            \
-                                             mips/vp9_idct_msa.o
+                                             mips/vp9_idct_msa.o           \
+                                             mips/vp9_intra_msa.o
 MSA-OBJS-$(CONFIG_H264DSP)                += mips/h264dsp_msa.o            \
                                              mips/h264idct_msa.o
 MSA-OBJS-$(CONFIG_H264QPEL)               += mips/h264qpel_msa.o
diff --git a/libavcodec/mips/vp9_intra_msa.c b/libavcodec/mips/vp9_intra_msa.c
new file mode 100644
index 0000000000..54cf0ae94f
--- /dev/null
+++ b/libavcodec/mips/vp9_intra_msa.c
@@ -0,0 +1,533 @@
+/*
+ * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/vp9dsp.h"
+#include "libavutil/mips/generic_macros_msa.h"
+#include "vp9dsp_mips.h"
+
+#define IPRED_SUBS_UH2_UH(in0, in1, out0, out1)  \
+{                                                \
+    out0 = __msa_subs_u_h(out0, in0);            \
+    out1 = __msa_subs_u_h(out1, in1);            \
+}
+
+void ff_vert_16x16_msa(uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *left,
+                       const uint8_t *src)
+{
+    uint32_t row;
+    v16u8 src0;
+
+    src0 = LD_UB(src);
+
+    for (row = 16; row--;) {
+        ST_UB(src0, dst);
+        dst += dst_stride;
+    }
+}
+
+void ff_vert_32x32_msa(uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *left,
+                       const uint8_t *src)
+{
+    uint32_t row;
+    v16u8 src1, src2;
+
+    src1 = LD_UB(src);
+    src2 = LD_UB(src + 16);
+
+    for (row = 32; row--;) {
+        ST_UB2(src1, src2, dst, 16);
+        dst += dst_stride;
+    }
+}
+
+void ff_hor_16x16_msa(uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *src,
+                      const uint8_t *top)
+{
+    uint32_t row, inp;
+    v16u8 src0, src1, src2, src3;
+
+    src += 12;
+    for (row = 4; row--;) {
+        inp = LW(src);
+        src -= 4;
+
+        src0 = (v16u8) __msa_fill_b(inp >> 24);
+        src1 = (v16u8) __msa_fill_b(inp >> 16);
+        src2 = (v16u8) __msa_fill_b(inp >> 8);
+        src3 = (v16u8) __msa_fill_b(inp);
+
+        ST_UB4(src0, src1, src2, src3, dst, dst_stride);
+        dst += (4 * dst_stride);
+    }
+}
+
+void ff_hor_32x32_msa(uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *src,
+                      const uint8_t *top)
+{
+    uint32_t row, inp;
+    v16u8 src0, src1, src2, src3;
+
+    src += 28;
+    for (row = 8; row--;) {
+        inp = LW(src);
+        src -= 4;
+
+        src0 = (v16u8) __msa_fill_b(inp >> 24);
+        src1 = (v16u8) __msa_fill_b(inp >> 16);
+        src2 = (v16u8) __msa_fill_b(inp >> 8);
+        src3 = (v16u8) __msa_fill_b(inp);
+
+        ST_UB2(src0, src0, dst, 16);
+        dst += dst_stride;
+        ST_UB2(src1, src1, dst, 16);
+        dst += dst_stride;
+        ST_UB2(src2, src2, dst, 16);
+        dst += dst_stride;
+        ST_UB2(src3, src3, dst, 16);
+        dst += dst_stride;
+    }
+}
+
+void ff_dc_4x4_msa(uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *src_left,
+                   const uint8_t *src_top)
+{
+    uint32_t val0, val1;
+    v16i8 store, src = { 0 };
+    v8u16 sum_h;
+    v4u32 sum_w;
+    v2u64 sum_d;
+
+    val0 = LW(src_top);
+    val1 = LW(src_left);
+    INSERT_W2_SB(val0, val1, src);
+    sum_h = __msa_hadd_u_h((v16u8) src, (v16u8) src);
+    sum_w = __msa_hadd_u_w(sum_h, sum_h);
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);
+    sum_w = (v4u32) __msa_srari_w((v4i32) sum_d, 3);
+    store = __msa_splati_b((v16i8) sum_w, 0);
+    val0 = __msa_copy_u_w((v4i32) store, 0);
+
+    SW4(val0, val0, val0, val0, dst, dst_stride);
+}
+
+#define INTRA_DC_TL_4x4(dir)                                    \
+void ff_dc_##dir##_4x4_msa(uint8_t *dst, ptrdiff_t dst_stride,  \
+                           const uint8_t *left,                 \
+                           const uint8_t *top)                  \
+{                                                               \
+    uint32_t val0;                                              \
+    v16i8 store, data = { 0 };                                  \
+    v8u16 sum_h;                                                \
+    v4u32 sum_w;                                                \
+                                                                \
+    val0 = LW(dir);                                             \
+    data = (v16i8) __msa_insert_w((v4i32) data, 0, val0);       \
+    sum_h = __msa_hadd_u_h((v16u8) data, (v16u8) data);         \
+    sum_w = __msa_hadd_u_w(sum_h, sum_h);                       \
+    sum_w = (v4u32) __msa_srari_w((v4i32) sum_w, 2);            \
+    store = __msa_splati_b((v16i8) sum_w, 0);                   \
+    val0 = __msa_copy_u_w((v4i32) store, 0);                    \
+                                                                \
+    SW4(val0, val0, val0, val0, dst, dst_stride);               \
+}
+INTRA_DC_TL_4x4(top);
+INTRA_DC_TL_4x4(left);
+
+void ff_dc_8x8_msa(uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *src_left,
+                   const uint8_t *src_top)
+{
+    uint64_t val0, val1;
+    v16i8 store;
+    v16u8 src = { 0 };
+    v8u16 sum_h;
+    v4u32 sum_w;
+    v2u64 sum_d;
+
+    val0 = LD(src_top);
+    val1 = LD(src_left);
+    INSERT_D2_UB(val0, val1, src);
+    sum_h = __msa_hadd_u_h(src, src);
+    sum_w = __msa_hadd_u_w(sum_h, sum_h);
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);
+    sum_w = (v4u32) __msa_pckev_w((v4i32) sum_d, (v4i32) sum_d);
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);
+    sum_w = (v4u32) __msa_srari_w((v4i32) sum_d, 4);
+    store = __msa_splati_b((v16i8) sum_w, 0);
+    val0 = __msa_copy_u_d((v2i64) store, 0);
+
+    SD4(val0, val0, val0, val0, dst, dst_stride);
+    dst += (4 * dst_stride);
+    SD4(val0, val0, val0, val0, dst, dst_stride);
+}
+
+#define INTRA_DC_TL_8x8(dir)                                    \
+void ff_dc_##dir##_8x8_msa(uint8_t *dst, ptrdiff_t dst_stride,  \
+                           const uint8_t *left,                 \
+                           const uint8_t *top)                  \
+{                                                               \
+    uint64_t val0;                                              \
+    v16i8 store;                                                \
+    v16u8 data = { 0 };                                         \
+    v8u16 sum_h;                                                \
+    v4u32 sum_w;                                                \
+    v2u64 sum_d;                                                \
+                                                                \
+    val0 = LD(dir);                                             \
+    data = (v16u8) __msa_insert_d((v2i64) data, 0, val0);       \
+    sum_h = __msa_hadd_u_h(data, data);                         \
+    sum_w = __msa_hadd_u_w(sum_h, sum_h);                       \
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);                       \
+    sum_w = (v4u32) __msa_srari_w((v4i32) sum_d, 3);            \
+    store = __msa_splati_b((v16i8) sum_w, 0);                   \
+    val0 = __msa_copy_u_d((v2i64) store, 0);                    \
+                                                                \
+    SD4(val0, val0, val0, val0, dst, dst_stride);               \
+    dst += (4 * dst_stride);                                    \
+    SD4(val0, val0, val0, val0, dst, dst_stride);               \
+}
+
+INTRA_DC_TL_8x8(top);
+INTRA_DC_TL_8x8(left);
+
+void ff_dc_16x16_msa(uint8_t *dst, ptrdiff_t dst_stride,
+                     const uint8_t *src_left, const uint8_t *src_top)
+{
+    v16u8 top, left, out;
+    v8u16 sum_h, sum_top, sum_left;
+    v4u32 sum_w;
+    v2u64 sum_d;
+
+    top = LD_UB(src_top);
+    left = LD_UB(src_left);
+    HADD_UB2_UH(top, left, sum_top, sum_left);
+    sum_h = sum_top + sum_left;
+    sum_w = __msa_hadd_u_w(sum_h, sum_h);
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);
+    sum_w = (v4u32) __msa_pckev_w((v4i32) sum_d, (v4i32) sum_d);
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);
+    sum_w = (v4u32) __msa_srari_w((v4i32) sum_d, 5);
+    out = (v16u8) __msa_splati_b((v16i8) sum_w, 0);
+
+    ST_UB8(out, out, out, out, out, out, out, out, dst, dst_stride);
+    dst += (8 * dst_stride);
+    ST_UB8(out, out, out, out, out, out, out, out, dst, dst_stride);
+}
+
+#define INTRA_DC_TL_16x16(dir)                                        \
+void ff_dc_##dir##_16x16_msa(uint8_t *dst, ptrdiff_t dst_stride,      \
+                             const uint8_t *left,                     \
+                             const uint8_t *top)                      \
+{                                                                     \
+    v16u8 data, out;                                                  \
+    v8u16 sum_h;                                                      \
+    v4u32 sum_w;                                                      \
+    v2u64 sum_d;                                                      \
+                                                                      \
+    data = LD_UB(dir);                                                \
+    sum_h = __msa_hadd_u_h(data, data);                               \
+    sum_w = __msa_hadd_u_w(sum_h, sum_h);                             \
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);                             \
+    sum_w = (v4u32) __msa_pckev_w((v4i32) sum_d, (v4i32) sum_d);      \
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);                             \
+    sum_w = (v4u32) __msa_srari_w((v4i32) sum_d, 4);                  \
+    out = (v16u8) __msa_splati_b((v16i8) sum_w, 0);                   \
+                                                                      \
+    ST_UB8(out, out, out, out, out, out, out, out, dst, dst_stride);  \
+    dst += (8 * dst_stride);                                          \
+    ST_UB8(out, out, out, out, out, out, out, out, dst, dst_stride);  \
+}
+INTRA_DC_TL_16x16(top);
+INTRA_DC_TL_16x16(left);
+
+void ff_dc_32x32_msa(uint8_t *dst, ptrdiff_t dst_stride,
+                     const uint8_t *src_left, const uint8_t *src_top)
+{
+    uint32_t row;
+    v16u8 top0, top1, left0, left1, out;
+    v8u16 sum_h, sum_top0, sum_top1, sum_left0, sum_left1;
+    v4u32 sum_w;
+    v2u64 sum_d;
+
+    LD_UB2(src_top, 16, top0, top1);
+    LD_UB2(src_left, 16, left0, left1);
+    HADD_UB2_UH(top0, top1, sum_top0, sum_top1);
+    HADD_UB2_UH(left0, left1, sum_left0, sum_left1);
+    sum_h = sum_top0 + sum_top1;
+    sum_h += sum_left0 + sum_left1;
+    sum_w = __msa_hadd_u_w(sum_h, sum_h);
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);
+    sum_w = (v4u32) __msa_pckev_w((v4i32) sum_d, (v4i32) sum_d);
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);
+    sum_w = (v4u32) __msa_srari_w((v4i32) sum_d, 6);
+    out = (v16u8) __msa_splati_b((v16i8) sum_w, 0);
+
+    for (row = 16; row--;)
+    {
+        ST_UB2(out, out, dst, 16);
+        dst += dst_stride;
+        ST_UB2(out, out, dst, 16);
+        dst += dst_stride;
+    }
+}
+
+#define INTRA_DC_TL_32x32(dir)                                    \
+void ff_dc_##dir##_32x32_msa(uint8_t *dst, ptrdiff_t dst_stride,  \
+                             const uint8_t *left,                 \
+                             const uint8_t *top)                  \
+{                                                                 \
+    uint32_t row;                                                 \
+    v16u8 data0, data1, out;                                      \
+    v8u16 sum_h, sum_data0, sum_data1;                            \
+    v4u32 sum_w;                                                  \
+    v2u64 sum_d;                                                  \
+                                                                  \
+    LD_UB2(dir, 16, data0, data1);                                \
+    HADD_UB2_UH(data0, data1, sum_data0, sum_data1);              \
+    sum_h = sum_data0 + sum_data1;                                \
+    sum_w = __msa_hadd_u_w(sum_h, sum_h);                         \
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);                         \
+    sum_w = (v4u32) __msa_pckev_w((v4i32) sum_d, (v4i32) sum_d);  \
+    sum_d = __msa_hadd_u_d(sum_w, sum_w);                         \
+    sum_w = (v4u32) __msa_srari_w((v4i32) sum_d, 5);              \
+    out = (v16u8) __msa_splati_b((v16i8) sum_w, 0);               \
+                                                                  \
+    for (row = 16; row--;)                                        \
+    {                                                             \
+        ST_UB2(out, out, dst, 16);                                \
+        dst += dst_stride;                                        \
+        ST_UB2(out, out, dst, 16);                                \
+        dst += dst_stride;                                        \
+    }                                                             \
+}
+INTRA_DC_TL_32x32(top);
+INTRA_DC_TL_32x32(left);
+
+#define INTRA_PREDICT_VALDC_16X16_MSA(val)                             \
+void ff_dc_##val##_16x16_msa(uint8_t *dst, ptrdiff_t dst_stride,       \
+                             const uint8_t *left, const uint8_t *top)  \
+{                                                                      \
+    v16u8 out = (v16u8) __msa_ldi_b(val);                              \
+                                                                       \
+    ST_UB8(out, out, out, out, out, out, out, out, dst, dst_stride);   \
+    dst += (8 * dst_stride);                                           \
+    ST_UB8(out, out, out, out, out, out, out, out, dst, dst_stride);   \
+}
+
+INTRA_PREDICT_VALDC_16X16_MSA(127);
+INTRA_PREDICT_VALDC_16X16_MSA(128);
+INTRA_PREDICT_VALDC_16X16_MSA(129);
+
+#define INTRA_PREDICT_VALDC_32X32_MSA(val)                             \
+void ff_dc_##val##_32x32_msa(uint8_t *dst, ptrdiff_t dst_stride,       \
+                             const uint8_t *left, const uint8_t *top)  \
+{                                                                      \
+    uint32_t row;                                                      \
+    v16u8 out = (v16u8) __msa_ldi_b(val);                              \
+                                                                       \
+    for (row = 16; row--;)                                             \
+    {                                                                  \
+        ST_UB2(out, out, dst, 16);                                     \
+        dst += dst_stride;                                             \
+        ST_UB2(out, out, dst, 16);                                     \
+        dst += dst_stride;                                             \
+    }                                                                  \
+}
+
+INTRA_PREDICT_VALDC_32X32_MSA(127);
+INTRA_PREDICT_VALDC_32X32_MSA(128);
+INTRA_PREDICT_VALDC_32X32_MSA(129);
+
+void ff_tm_4x4_msa(uint8_t *dst, ptrdiff_t dst_stride,
+                   const uint8_t *src_left, const uint8_t *src_top_ptr)
+{
+    uint32_t left;
+    uint8_t top_left = src_top_ptr[-1];
+    v16i8 src_top, src_left0, src_left1, src_left2, src_left3, tmp0, tmp1;
+    v16u8 src0, src1, src2, src3;
+    v8u16 src_top_left, vec0, vec1, vec2, vec3;
+
+    src_top_left = (v8u16) __msa_fill_h(top_left);
+    src_top = LD_SB(src_top_ptr);
+    left = LW(src_left);
+    src_left0 = __msa_fill_b(left >> 24);
+    src_left1 = __msa_fill_b(left >> 16);
+    src_left2 = __msa_fill_b(left >> 8);
+    src_left3 = __msa_fill_b(left);
+
+    ILVR_B4_UB(src_left0, src_top, src_left1, src_top, src_left2, src_top,
+               src_left3, src_top, src0, src1, src2, src3);
+    HADD_UB4_UH(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+    IPRED_SUBS_UH2_UH(src_top_left, src_top_left, vec0, vec1);
+    IPRED_SUBS_UH2_UH(src_top_left, src_top_left, vec2, vec3);
+    SAT_UH4_UH(vec0, vec1, vec2, vec3, 7);
+    PCKEV_B2_SB(vec1, vec0, vec3, vec2, tmp0, tmp1);
+    ST4x4_UB(tmp0, tmp1, 0, 2, 0, 2, dst, dst_stride);
+}
+
+void ff_tm_8x8_msa(uint8_t *dst, ptrdiff_t dst_stride,
+                   const uint8_t *src_left, const uint8_t *src_top_ptr)
+{
+    uint8_t top_left = src_top_ptr[-1];
+    uint32_t loop_cnt, left;
+    v16i8 src_top, src_left0, src_left1, src_left2, src_left3, tmp0, tmp1;
+    v8u16 src_top_left, vec0, vec1, vec2, vec3;
+    v16u8 src0, src1, src2, src3;
+
+    src_top = LD_SB(src_top_ptr);
+    src_top_left = (v8u16) __msa_fill_h(top_left);
+
+    src_left += 4;
+    for (loop_cnt = 2; loop_cnt--;) {
+        left = LW(src_left);
+        src_left0 = __msa_fill_b(left >> 24);
+        src_left1 = __msa_fill_b(left >> 16);
+        src_left2 = __msa_fill_b(left >> 8);
+        src_left3 = __msa_fill_b(left);
+        src_left -= 4;
+
+        ILVR_B4_UB(src_left0, src_top, src_left1, src_top, src_left2, src_top,
+                   src_left3, src_top, src0, src1, src2, src3);
+        HADD_UB4_UH(src0, src1, src2, src3, vec0, vec1, vec2, vec3);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, vec0, vec1);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, vec2, vec3);
+        SAT_UH4_UH(vec0, vec1, vec2, vec3, 7);
+        PCKEV_B2_SB(vec1, vec0, vec3, vec2, tmp0, tmp1);
+        ST8x4_UB(tmp0, tmp1, dst, dst_stride);
+        dst += (4 * dst_stride);
+    }
+}
+
+void ff_tm_16x16_msa(uint8_t *dst, ptrdiff_t dst_stride,
+                     const uint8_t *src_left, const uint8_t *src_top_ptr)
+{
+    uint8_t top_left = src_top_ptr[-1];
+    uint32_t loop_cnt, left;
+    v16i8 src_top, src_left0, src_left1, src_left2, src_left3;
+    v8u16 src_top_left, res_r, res_l;
+
+    src_top = LD_SB(src_top_ptr);
+    src_top_left = (v8u16) __msa_fill_h(top_left);
+
+    src_left += 12;
+    for (loop_cnt = 4; loop_cnt--;) {
+        left = LW(src_left);
+        src_left0 = __msa_fill_b(left >> 24);
+        src_left1 = __msa_fill_b(left >> 16);
+        src_left2 = __msa_fill_b(left >> 8);
+        src_left3 = __msa_fill_b(left);
+        src_left -= 4;
+
+        ILVRL_B2_UH(src_left0, src_top, res_r, res_l);
+        HADD_UB2_UH(res_r, res_l, res_r, res_l);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r, res_l);
+
+        SAT_UH2_UH(res_r, res_l, 7);
+        PCKEV_ST_SB(res_r, res_l, dst);
+        dst += dst_stride;
+
+        ILVRL_B2_UH(src_left1, src_top, res_r, res_l);
+        HADD_UB2_UH(res_r, res_l, res_r, res_l);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r, res_l);
+        SAT_UH2_UH(res_r, res_l, 7);
+        PCKEV_ST_SB(res_r, res_l, dst);
+        dst += dst_stride;
+
+        ILVRL_B2_UH(src_left2, src_top, res_r, res_l);
+        HADD_UB2_UH(res_r, res_l, res_r, res_l);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r, res_l);
+        SAT_UH2_UH(res_r, res_l, 7);
+        PCKEV_ST_SB(res_r, res_l, dst);
+        dst += dst_stride;
+
+        ILVRL_B2_UH(src_left3, src_top, res_r, res_l);
+        HADD_UB2_UH(res_r, res_l, res_r, res_l);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r, res_l);
+        SAT_UH2_UH(res_r, res_l, 7);
+        PCKEV_ST_SB(res_r, res_l, dst);
+        dst += dst_stride;
+    }
+}
+
+void ff_tm_32x32_msa(uint8_t *dst, ptrdiff_t dst_stride,
+                     const uint8_t *src_left, const uint8_t *src_top_ptr)
+{
+    uint8_t top_left = src_top_ptr[-1];
+    uint32_t loop_cnt, left;
+    v16i8 src_top0, src_top1, src_left0, src_left1, src_left2, src_left3;
+    v8u16 src_top_left, res_r0, res_r1, res_l0, res_l1;
+
+    src_top0 = LD_SB(src_top_ptr);
+    src_top1 = LD_SB(src_top_ptr + 16);
+    src_top_left = (v8u16) __msa_fill_h(top_left);
+
+    src_left += 28;
+    for (loop_cnt = 8; loop_cnt--;) {
+        left = LW(src_left);
+        src_left0 = __msa_fill_b(left >> 24);
+        src_left1 = __msa_fill_b(left >> 16);
+        src_left2 = __msa_fill_b(left >> 8);
+        src_left3 = __msa_fill_b(left);
+        src_left -= 4;
+
+        ILVR_B2_UH(src_left0, src_top0, src_left0, src_top1, res_r0, res_r1);
+        ILVL_B2_UH(src_left0, src_top0, src_left0, src_top1, res_l0, res_l1);
+        HADD_UB4_UH(res_r0, res_l0, res_r1, res_l1, res_r0, res_l0, res_r1,
+                    res_l1);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r0, res_l0);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r1, res_l1);
+        SAT_UH4_UH(res_r0, res_l0, res_r1, res_l1, 7);
+        PCKEV_ST_SB(res_r0, res_l0, dst);
+        PCKEV_ST_SB(res_r1, res_l1, dst + 16);
+        dst += dst_stride;
+
+        ILVR_B2_UH(src_left1, src_top0, src_left1, src_top1, res_r0, res_r1);
+        ILVL_B2_UH(src_left1, src_top0, src_left1, src_top1, res_l0, res_l1);
+        HADD_UB4_UH(res_r0, res_l0, res_r1, res_l1, res_r0, res_l0, res_r1,
+                    res_l1);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r0, res_l0);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r1, res_l1);
+        SAT_UH4_UH(res_r0, res_l0, res_r1, res_l1, 7);
+        PCKEV_ST_SB(res_r0, res_l0, dst);
+        PCKEV_ST_SB(res_r1, res_l1, dst + 16);
+        dst += dst_stride;
+
+        ILVR_B2_UH(src_left2, src_top0, src_left2, src_top1, res_r0, res_r1);
+        ILVL_B2_UH(src_left2, src_top0, src_left2, src_top1, res_l0, res_l1);
+        HADD_UB4_UH(res_r0, res_l0, res_r1, res_l1, res_r0, res_l0, res_r1,
+                    res_l1);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r0, res_l0);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r1, res_l1);
+        SAT_UH4_UH(res_r0, res_l0, res_r1, res_l1, 7);
+        PCKEV_ST_SB(res_r0, res_l0, dst);
+        PCKEV_ST_SB(res_r1, res_l1, dst + 16);
+        dst += dst_stride;
+
+        ILVR_B2_UH(src_left3, src_top0, src_left3, src_top1, res_r0, res_r1);
+        ILVL_B2_UH(src_left3, src_top0, src_left3, src_top1, res_l0, res_l1);
+        HADD_UB4_UH(res_r0, res_l0, res_r1, res_l1, res_r0, res_l0, res_r1,
+                    res_l1);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r0, res_l0);
+        IPRED_SUBS_UH2_UH(src_top_left, src_top_left, res_r1, res_l1);
+        SAT_UH4_UH(res_r0, res_l0, res_r1, res_l1, 7);
+        PCKEV_ST_SB(res_r0, res_l0, dst);
+        PCKEV_ST_SB(res_r1, res_l1, dst + 16);
+        dst += dst_stride;
+    }
+}
diff --git a/libavcodec/mips/vp9dsp_init_mips.c b/libavcodec/mips/vp9dsp_init_mips.c
index 79cafb812c..c13af1aaf5 100644
--- a/libavcodec/mips/vp9dsp_init_mips.c
+++ b/libavcodec/mips/vp9dsp_init_mips.c
@@ -24,6 +24,36 @@
 #include "vp9dsp_mips.h"
 
 #if HAVE_MSA
+static av_cold void vp9dsp_intrapred_init_msa(VP9DSPContext *dsp, int bpp)
+{
+    if (bpp == 8) {
+#define init_intra_pred_msa(tx, sz)                             \
+    dsp->intra_pred[tx][VERT_PRED]    = ff_vert_##sz##_msa;     \
+    dsp->intra_pred[tx][HOR_PRED]     = ff_hor_##sz##_msa;      \
+    dsp->intra_pred[tx][DC_PRED]      = ff_dc_##sz##_msa;       \
+    dsp->intra_pred[tx][LEFT_DC_PRED] = ff_dc_left_##sz##_msa;  \
+    dsp->intra_pred[tx][TOP_DC_PRED]  = ff_dc_top_##sz##_msa;   \
+    dsp->intra_pred[tx][DC_128_PRED]  = ff_dc_128_##sz##_msa;   \
+    dsp->intra_pred[tx][DC_127_PRED]  = ff_dc_127_##sz##_msa;   \
+    dsp->intra_pred[tx][DC_129_PRED]  = ff_dc_129_##sz##_msa;   \
+    dsp->intra_pred[tx][TM_VP8_PRED]  = ff_tm_##sz##_msa;       \
+
+    init_intra_pred_msa(TX_16X16, 16x16);
+    init_intra_pred_msa(TX_32X32, 32x32);
+#undef init_intra_pred_msa
+
+#define init_intra_pred_msa(tx, sz)                             \
+    dsp->intra_pred[tx][DC_PRED]      = ff_dc_##sz##_msa;       \
+    dsp->intra_pred[tx][LEFT_DC_PRED] = ff_dc_left_##sz##_msa;  \
+    dsp->intra_pred[tx][TOP_DC_PRED]  = ff_dc_top_##sz##_msa;   \
+    dsp->intra_pred[tx][TM_VP8_PRED]  = ff_tm_##sz##_msa;       \
+
+    init_intra_pred_msa(TX_4X4, 4x4);
+    init_intra_pred_msa(TX_8X8, 8x8);
+#undef init_intra_pred_msa
+    }
+}
+
 static av_cold void vp9dsp_itxfm_init_msa(VP9DSPContext *dsp, int bpp)
 {
     if (bpp == 8) {
@@ -129,6 +159,7 @@ static av_cold void vp9dsp_loopfilter_init_msa(VP9DSPContext *dsp, int bpp)
 
 static av_cold void vp9dsp_init_msa(VP9DSPContext *dsp, int bpp)
 {
+    vp9dsp_intrapred_init_msa(dsp, bpp);
     vp9dsp_itxfm_init_msa(dsp, bpp);
     vp9dsp_mc_init_msa(dsp, bpp);
     vp9dsp_loopfilter_init_msa(dsp, bpp);
diff --git a/libavcodec/mips/vp9dsp_mips.h b/libavcodec/mips/vp9dsp_mips.h
index ce343c7225..11a765537f 100644
--- a/libavcodec/mips/vp9dsp_mips.h
+++ b/libavcodec/mips/vp9dsp_mips.h
@@ -149,4 +149,57 @@ void ff_idct_iadst_16x16_add_msa(uint8_t *pu8Dest, ptrdiff_t stride,
 void ff_iwht_iwht_4x4_add_msa(uint8_t *dst, ptrdiff_t stride,
                               int16_t *block, int eob);
 
+void ff_vert_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                       const uint8_t *top);
+void ff_vert_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                       const uint8_t *top);
+void ff_hor_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                      const uint8_t *top);
+void ff_hor_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                      const uint8_t *top);
+void ff_dc_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                   const uint8_t *top);
+void ff_dc_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                   const uint8_t *top);
+void ff_dc_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                     const uint8_t *top);
+void ff_dc_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                     const uint8_t *top);
+void ff_dc_left_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                        const uint8_t *top);
+void ff_dc_left_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                        const uint8_t *top);
+void ff_dc_left_16x16_msa(uint8_t *dst, ptrdiff_t stride,
+                          const uint8_t *left, const uint8_t *top);
+void ff_dc_left_32x32_msa(uint8_t *dst, ptrdiff_t stride,
+                          const uint8_t *left, const uint8_t *top);
+void ff_dc_top_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                       const uint8_t *top);
+void ff_dc_top_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                       const uint8_t *top);
+void ff_dc_top_16x16_msa(uint8_t *dst, ptrdiff_t stride,
+                         const uint8_t *left, const uint8_t *top);
+void ff_dc_top_32x32_msa(uint8_t *dst, ptrdiff_t stride,
+                         const uint8_t *left, const uint8_t *top);
+void ff_dc_128_16x16_msa(uint8_t *dst, ptrdiff_t stride,
+                         const uint8_t *left, const uint8_t *top);
+void ff_dc_128_32x32_msa(uint8_t *dst, ptrdiff_t stride,
+                         const uint8_t *left, const uint8_t *top);
+void ff_dc_127_16x16_msa(uint8_t *dst, ptrdiff_t stride,
+                         const uint8_t *left, const uint8_t *top);
+void ff_dc_127_32x32_msa(uint8_t *dst, ptrdiff_t stride,
+                         const uint8_t *left, const uint8_t *top);
+void ff_dc_129_16x16_msa(uint8_t *dst, ptrdiff_t stride,
+                         const uint8_t *left, const uint8_t *top);
+void ff_dc_129_32x32_msa(uint8_t *dst, ptrdiff_t stride,
+                         const uint8_t *left, const uint8_t *top);
+void ff_tm_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                   const uint8_t *top);
+void ff_tm_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                   const uint8_t *top);
+void ff_tm_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                     const uint8_t *top);
+void ff_tm_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
+                     const uint8_t *top);
+
 #endif  // #ifndef AVCODEC_MIPS_VP9DSP_MIPS_H