[x264-devel] [PATCH 8/9] MIPS MSA Predict module optimization

Rishikesh More rishikesh.more at imgtec.com
Thu Jun 18 14:18:45 CEST 2015


This patch adds MSA (MIPS-SIMD-Arch) optimizations for predict functions.

Signed-off-by: Rishikesh More <rishikesh.more at imgtec.com>
---
 Makefile                |   3 +-
 common/mips/predict-c.c | 607 ++++++++++++++++++++++++++++++++++++++++++++++++
 common/mips/predict.h   |  48 ++++
 common/predict.c        |  36 +++
 4 files changed, 693 insertions(+), 1 deletion(-)
 create mode 100644 common/mips/predict-c.c
 create mode 100644 common/mips/predict.h

diff --git a/Makefile b/Makefile
index 598a14f..fd32b9f 100644
--- a/Makefile
+++ b/Makefile
@@ -147,7 +147,8 @@ endif
 ifeq ($(SYS_ARCH),MIPS)
 ifneq ($(findstring HAVE_MSA 1, $(CONFIG)),)
 SRCS += common/mips/mc-c.c common/mips/dct-c.c \
-        common/mips/deblock-c.c common/mips/pixel-c.c
+        common/mips/deblock-c.c common/mips/pixel-c.c \
+        common/mips/predict-c.c
 endif
 endif
 
diff --git a/common/mips/predict-c.c b/common/mips/predict-c.c
new file mode 100644
index 0000000..9a6c68d
--- /dev/null
+++ b/common/mips/predict-c.c
@@ -0,0 +1,607 @@
+/*****************************************************************************
+ * predict-c.c: msa intra prediction
+ *****************************************************************************
+ * Copyright (C) 2015 x264 project
+ *
+ * Authors: Mandar Sahastrabuddhe <mandar.sahastrabuddhe at imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing at x264.com.
+ *****************************************************************************/
+
+#include "common/common.h"
+#include "macros.h"
+
+#if !HIGH_BIT_DEPTH
+static void intra_predict_vert_4x4_msa( uint8_t *p_src, uint8_t *p_dst,
+                                        int32_t i_dst_stride )
+{
+    uint32_t u_src_data;
+
+    u_src_data = LW( p_src );
+
+    SW4( u_src_data, u_src_data, u_src_data, u_src_data, p_dst, i_dst_stride );
+}
+
+static void intra_predict_vert_8x8_msa( uint8_t *p_src, uint8_t *p_dst,
+                                        int32_t i_dst_stride )
+{
+    uint64_t u_out;
+
+    u_out = LD( p_src );
+
+    SD4( u_out, u_out, u_out, u_out, p_dst, i_dst_stride );
+    p_dst += ( 4 * i_dst_stride );
+    SD4( u_out, u_out, u_out, u_out, p_dst, i_dst_stride );
+}
+
+static void intra_predict_vert_16x16_msa( uint8_t *p_src, uint8_t *p_dst,
+                                          int32_t i_dst_stride )
+{
+    v16u8 src0 = LD_UB( p_src );
+
+    ST_UB8( src0, src0, src0, src0, src0, src0, src0, src0, p_dst,
+            i_dst_stride );
+    p_dst += ( 8 * i_dst_stride );
+    ST_UB8( src0, src0, src0, src0, src0, src0, src0, src0, p_dst,
+            i_dst_stride );
+}
+
+static void intra_predict_horiz_4x4_msa( uint8_t *p_src, int32_t i_src_stride,
+                                         uint8_t *p_dst, int32_t i_dst_stride )
+{
+    uint32_t u_out0, u_out1, u_out2, u_out3;
+
+    u_out0 = p_src[0 * i_src_stride] * 0x01010101;
+    u_out1 = p_src[1 * i_src_stride] * 0x01010101;
+    u_out2 = p_src[2 * i_src_stride] * 0x01010101;
+    u_out3 = p_src[3 * i_src_stride] * 0x01010101;
+
+    SW4( u_out0, u_out1, u_out2, u_out3, p_dst, i_dst_stride );
+}
+
+static void intra_predict_horiz_8x8_msa( uint8_t *p_src, int32_t i_src_stride,
+                                         uint8_t *p_dst, int32_t i_dst_stride )
+{
+    uint64_t u_out0, u_out1, u_out2, u_out3, u_out4, u_out5, u_out6, u_out7;
+
+    u_out0 = p_src[0 * i_src_stride] * 0x0101010101010101ull;
+    u_out1 = p_src[1 * i_src_stride] * 0x0101010101010101ull;
+    u_out2 = p_src[2 * i_src_stride] * 0x0101010101010101ull;
+    u_out3 = p_src[3 * i_src_stride] * 0x0101010101010101ull;
+    u_out4 = p_src[4 * i_src_stride] * 0x0101010101010101ull;
+    u_out5 = p_src[5 * i_src_stride] * 0x0101010101010101ull;
+    u_out6 = p_src[6 * i_src_stride] * 0x0101010101010101ull;
+    u_out7 = p_src[7 * i_src_stride] * 0x0101010101010101ull;
+
+    SD4( u_out0, u_out1, u_out2, u_out3, p_dst, i_dst_stride );
+    p_dst += ( 4 * i_dst_stride );
+    SD4( u_out4, u_out5, u_out6, u_out7, p_dst, i_dst_stride );
+}
+
+static void intra_predict_horiz_16x16_msa( uint8_t *p_src, int32_t i_src_stride,
+                                           uint8_t *p_dst,
+                                           int32_t i_dst_stride )
+{
+    uint32_t u_row;
+    uint8_t u_inp0, u_inp1, u_inp2, u_inp3;
+    v16u8 src0, src1, src2, src3;
+
+    for ( u_row = 4; u_row--; )
+    {
+        u_inp0 = p_src[0];
+        p_src += i_src_stride;
+        u_inp1 = p_src[0];
+        p_src += i_src_stride;
+        u_inp2 = p_src[0];
+        p_src += i_src_stride;
+        u_inp3 = p_src[0];
+        p_src += i_src_stride;
+
+        src0 = ( v16u8 ) __msa_fill_b( u_inp0 );
+        src1 = ( v16u8 ) __msa_fill_b( u_inp1 );
+        src2 = ( v16u8 ) __msa_fill_b( u_inp2 );
+        src3 = ( v16u8 ) __msa_fill_b( u_inp3 );
+
+        ST_UB4( src0, src1, src2, src3, p_dst, i_dst_stride );
+        p_dst += ( 4 * i_dst_stride );
+    }
+}
+
+static void intra_predict_dc_4x4_msa( uint8_t *p_src_top, uint8_t *p_src_left,
+                                      int32_t i_src_stride_left,
+                                      uint8_t *p_dst, int32_t i_dst_stride,
+                                      uint8_t is_above, uint8_t is_left )
+{
+    uint32_t u_row;
+    uint32_t u_out, u_addition = 0;
+    v16u8 src_above, store;
+    v8u16 sum_above;
+    v4u32 sum;
+
+    if ( is_left && is_above )
+    {
+        src_above = LD_UB( p_src_top );
+
+        sum_above = __msa_hadd_u_h( src_above, src_above );
+        sum = __msa_hadd_u_w( sum_above, sum_above );
+        u_addition = __msa_copy_u_w( ( v4i32 ) sum, 0 );
+
+        for ( u_row = 0; u_row < 4; u_row++ )
+        {
+            u_addition += p_src_left[u_row * i_src_stride_left];
+        }
+
+        u_addition = ( u_addition + 4 ) >> 3;
+        store = ( v16u8 ) __msa_fill_b( u_addition );
+    }
+    else if ( is_left )
+    {
+        for ( u_row = 0; u_row < 4; u_row++ )
+        {
+            u_addition += p_src_left[u_row * i_src_stride_left];
+        }
+
+        u_addition = ( u_addition + 2 ) >> 2;
+        store = ( v16u8 ) __msa_fill_b( u_addition );
+    }
+    else if ( is_above )
+    {
+        src_above = LD_UB( p_src_top );
+
+        sum_above = __msa_hadd_u_h( src_above, src_above );
+        sum = __msa_hadd_u_w( sum_above, sum_above );
+        sum = ( v4u32 ) __msa_srari_w( ( v4i32 ) sum, 2 );
+        store = ( v16u8 ) __msa_splati_b( ( v16i8 ) sum, 0 );
+    }
+    else
+    {
+        store = ( v16u8 ) __msa_ldi_b( 128 );
+    }
+
+    u_out = __msa_copy_u_w( ( v4i32 ) store, 0 );
+
+    SW4(u_out, u_out, u_out, u_out, p_dst, i_dst_stride);
+}
+
+static void intra_predict_dc_8x8_msa( uint8_t *p_src_top, uint8_t *p_src_left,
+                                      uint8_t *p_dst, int32_t i_dst_stride )
+{
+    uint64_t u_val0, u_val1;
+    v16i8 store;
+    v16u8 src = { 0 };
+    v8u16 sum_h;
+    v4u32 sum_w;
+    v2u64 sum_d;
+
+    u_val0 = LD( p_src_top );
+    u_val1 = LD( p_src_left );
+    INSERT_D2_UB( u_val0, u_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 );
+    u_val0 = __msa_copy_u_d( ( v2i64 ) store, 0 );
+
+    SD4( u_val0, u_val0, u_val0, u_val0, p_dst, i_dst_stride );
+    p_dst += ( 4 * i_dst_stride );
+    SD4( u_val0, u_val0, u_val0, u_val0, p_dst, i_dst_stride );
+}
+
+static void intra_predict_dc_16x16_msa( uint8_t *p_src_top, uint8_t *p_src_left,
+                                        int32_t i_src_stride_left,
+                                        uint8_t *p_dst, int32_t i_dst_stride,
+                                        uint8_t is_above, uint8_t is_left )
+{
+    uint32_t u_row;
+    uint32_t u_addition = 0;
+    v16u8 src_above, store;
+    v8u16 sum_above;
+    v4u32 sum_top;
+    v2u64 sum;
+
+    if ( is_left && is_above )
+    {
+        src_above = LD_UB( p_src_top );
+
+        sum_above = __msa_hadd_u_h( src_above, src_above );
+        sum_top = __msa_hadd_u_w( sum_above, sum_above );
+        sum = __msa_hadd_u_d( sum_top, sum_top );
+        sum_top = ( v4u32 ) __msa_pckev_w( ( v4i32 ) sum, ( v4i32 ) sum );
+        sum = __msa_hadd_u_d( sum_top, sum_top );
+        u_addition = __msa_copy_u_w( ( v4i32 ) sum, 0 );
+
+        for ( u_row = 0; u_row < 16; u_row++ )
+        {
+            u_addition += p_src_left[u_row * i_src_stride_left];
+        }
+
+        u_addition = ( u_addition + 16 ) >> 5;
+        store = ( v16u8 ) __msa_fill_b( u_addition );
+    }
+    else if ( is_left )
+    {
+        for ( u_row = 0; u_row < 16; u_row++ )
+        {
+            u_addition += p_src_left[u_row * i_src_stride_left];
+        }
+
+        u_addition = ( u_addition + 8 ) >> 4;
+        store = ( v16u8 ) __msa_fill_b( u_addition );
+    }
+    else if ( is_above )
+    {
+        src_above = LD_UB( p_src_top );
+
+        sum_above = __msa_hadd_u_h( src_above, src_above );
+        sum_top = __msa_hadd_u_w( sum_above, sum_above );
+        sum = __msa_hadd_u_d( sum_top, sum_top );
+        sum_top = ( v4u32 ) __msa_pckev_w( ( v4i32 ) sum, ( v4i32 ) sum );
+        sum = __msa_hadd_u_d( sum_top, sum_top );
+        sum = ( v2u64 ) __msa_srari_d( ( v2i64 ) sum, 4 );
+        store = ( v16u8 ) __msa_splati_b( ( v16i8 ) sum, 0 );
+    }
+    else
+    {
+        store = ( v16u8 ) __msa_ldi_b( 128 );
+    }
+
+    ST_UB8( store, store, store, store, store, store, store, store, p_dst,
+            i_dst_stride );
+    p_dst += ( 8 * i_dst_stride );
+    ST_UB8( store, store, store, store, store, store, store, store, p_dst,
+            i_dst_stride );
+}
+
+static void intra_predict_plane_8x8_msa( uint8_t *p_src, int32_t i_stride )
+{
+    uint8_t u_lpcnt;
+    int32_t i_res, i_res0, i_res1, i_res2, i_res3;
+    uint64_t u_out0, u_out1;
+    v16i8 shf_mask = { 3, 5, 2, 6, 1, 7, 0, 8, 3, 5, 2, 6, 1, 7, 0, 8 };
+    v8i16 short_multiplier = { 1, 2, 3, 4, 1, 2, 3, 4 };
+    v4i32 int_multiplier = { 0, 1, 2, 3 };
+    v16u8 p_src_top;
+    v8i16 vec9, vec10, vec11;
+    v4i32 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7, vec8;
+    v2i64 sum;
+
+    p_src_top = LD_UB( p_src - ( i_stride + 1 ) );
+    p_src_top = ( v16u8 ) __msa_vshf_b( shf_mask, ( v16i8 ) p_src_top,
+                                        ( v16i8 ) p_src_top );
+
+    vec9 = __msa_hsub_u_h( p_src_top, p_src_top );
+    vec9 *= short_multiplier;
+    vec8 = __msa_hadd_s_w( vec9, vec9 );
+    sum = __msa_hadd_s_d( vec8, vec8 );
+
+    i_res0 = __msa_copy_s_w( ( v4i32 ) sum, 0 );
+
+    i_res1 = ( p_src[4 * i_stride - 1] - p_src[2 * i_stride - 1] ) +
+             2 * ( p_src[5 * i_stride - 1] - p_src[i_stride - 1] ) +
+             3 * ( p_src[6 * i_stride - 1] - p_src[-1] ) +
+             4 * ( p_src[7 * i_stride - 1] - p_src[-i_stride - 1] );
+
+    i_res0 *= 17;
+    i_res1 *= 17;
+    i_res0 = ( i_res0 + 16 ) >> 5;
+    i_res1 = ( i_res1 + 16 ) >> 5;
+
+    i_res3 = 3 * ( i_res0 + i_res1 );
+    i_res2 = 16 * ( p_src[7 * i_stride - 1] + p_src[-i_stride + 7] + 1 );
+    i_res = i_res2 - i_res3;
+
+    vec8 = __msa_fill_w( i_res0 );
+    vec4 = __msa_fill_w( i_res );
+    vec2 = __msa_fill_w( i_res1 );
+    vec5 = vec8 * int_multiplier;
+    vec3 = vec8 * 4;
+
+    for ( u_lpcnt = 4; u_lpcnt--; )
+    {
+        vec0 = vec5;
+        vec0 += vec4;
+        vec1 = vec0 + vec3;
+        vec6 = vec5;
+        vec4 += vec2;
+        vec6 += vec4;
+        vec7 = vec6 + vec3;
+
+        SRA_4V( vec0, vec1, vec6, vec7, 5 );
+        PCKEV_H2_SH( vec1, vec0, vec7, vec6, vec10, vec11 );
+        CLIP_SH2_0_255( vec10, vec11 );
+        PCKEV_B2_SH( vec10, vec10, vec11, vec11, vec10, vec11 );
+
+        u_out0 = __msa_copy_s_d( ( v2i64 ) vec10, 0 );
+        u_out1 = __msa_copy_s_d( ( v2i64 ) vec11, 0 );
+        SD( u_out0, p_src );
+        p_src += i_stride;
+        SD( u_out1, p_src );
+        p_src += i_stride;
+
+        vec4 += vec2;
+    }
+}
+
+static void intra_predict_plane_16x16_msa( uint8_t *p_src, int32_t i_stride )
+{
+    uint8_t u_lpcnt;
+    int32_t i_res0, i_res1, i_res2, i_res3;
+    uint64_t u_load0, u_load1;
+    v16i8 shf_mask = { 7, 8, 6, 9, 5, 10, 4, 11, 3, 12, 2, 13, 1, 14, 0, 15 };
+    v8i16 short_multiplier = { 1, 2, 3, 4, 5, 6, 7, 8 };
+    v4i32 int_multiplier = { 0, 1, 2, 3 };
+    v16u8 p_src_top = { 0 };
+    v8i16 vec9, vec10;
+    v4i32 vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7, vec8, res_add;
+
+    u_load0 = LD( p_src - ( i_stride + 1 ) );
+    u_load1 = LD( p_src - ( i_stride + 1 ) + 9 );
+
+    INSERT_D2_UB( u_load0, u_load1, p_src_top );
+
+    p_src_top = ( v16u8 ) __msa_vshf_b( shf_mask, ( v16i8 ) p_src_top,
+                                        ( v16i8 ) p_src_top );
+
+    vec9 = __msa_hsub_u_h( p_src_top, p_src_top );
+    vec9 *= short_multiplier;
+    vec8 = __msa_hadd_s_w( vec9, vec9 );
+    res_add = ( v4i32 ) __msa_hadd_s_d( vec8, vec8 );
+
+    i_res0 = __msa_copy_s_w( res_add, 0 ) + __msa_copy_s_w( res_add, 2 );
+
+    i_res1 = ( p_src[8 * i_stride - 1] - p_src[6 * i_stride - 1] ) +
+             2 * ( p_src[9 * i_stride - 1] - p_src[5 * i_stride - 1] ) +
+             3 * ( p_src[10 * i_stride - 1] - p_src[4 * i_stride - 1] ) +
+             4 * ( p_src[11 * i_stride - 1] - p_src[3 * i_stride - 1] ) +
+             5 * ( p_src[12 * i_stride - 1] - p_src[2 * i_stride - 1] ) +
+             6 * ( p_src[13 * i_stride - 1] - p_src[i_stride - 1] ) +
+             7 * ( p_src[14 * i_stride - 1] - p_src[-1] ) +
+             8 * ( p_src[15 * i_stride - 1] - p_src[-1 * i_stride - 1] );
+
+    i_res0 *= 5;
+    i_res1 *= 5;
+    i_res0 = ( i_res0 + 32 ) >> 6;
+    i_res1 = ( i_res1 + 32 ) >> 6;
+
+    i_res3 = 7 * ( i_res0 + i_res1 );
+    i_res2 = 16 * ( p_src[15 * i_stride - 1] + p_src[-i_stride + 15] + 1 );
+    i_res2 -= i_res3;
+
+    vec8 = __msa_fill_w( i_res0 );
+    vec4 = __msa_fill_w( i_res2 );
+    vec5 = __msa_fill_w( i_res1 );
+    vec6 = vec8 * 4;
+    vec7 = vec8 * int_multiplier;
+
+    for ( u_lpcnt = 16; u_lpcnt--; )
+    {
+        vec0 = vec7;
+        vec0 += vec4;
+        vec1 = vec0 + vec6;
+        vec2 = vec1 + vec6;
+        vec3 = vec2 + vec6;
+
+        SRA_4V( vec0, vec1, vec2, vec3, 5 );
+        PCKEV_H2_SH( vec1, vec0, vec3, vec2, vec9, vec10 );
+        CLIP_SH2_0_255( vec9, vec10 );
+        PCKEV_ST_SB( vec9, vec10, p_src );
+        p_src += i_stride;
+
+        vec4 += vec5;
+    }
+}
+
+static void intra_predict_dc_4blk_8x8_msa( uint8_t *p_src, int32_t i_stride )
+{
+    uint8_t u_lp_cnt;
+    uint32_t u_src0, u_src1, u_src3, u_src2 = 0;
+    uint32_t u_out0, u_out1, u_out2, u_out3;
+    v16u8 p_src_top;
+    v8u16 add;
+    v4u32 sum;
+
+    p_src_top = LD_UB( p_src - i_stride );
+    add = __msa_hadd_u_h( ( v16u8 ) p_src_top, ( v16u8 ) p_src_top );
+    sum = __msa_hadd_u_w( add, add );
+    u_src0 = __msa_copy_u_w( ( v4i32 ) sum, 0 );
+    u_src1 = __msa_copy_u_w( ( v4i32 ) sum, 1 );
+
+    for ( u_lp_cnt = 0; u_lp_cnt < 4; u_lp_cnt++ )
+    {
+        u_src0 += p_src[u_lp_cnt * i_stride - 1];
+        u_src2 += p_src[( 4 + u_lp_cnt ) * i_stride - 1];
+    }
+
+    u_src0 = ( u_src0 + 4 ) >> 3;
+    u_src3 = ( u_src1 + u_src2 + 4 ) >> 3;
+    u_src1 = ( u_src1 + 2 ) >> 2;
+    u_src2 = ( u_src2 + 2 ) >> 2;
+
+    u_out0 = u_src0 * 0x01010101;
+    u_out1 = u_src1 * 0x01010101;
+    u_out2 = u_src2 * 0x01010101;
+    u_out3 = u_src3 * 0x01010101;
+
+    for ( u_lp_cnt = 4; u_lp_cnt--; )
+    {
+        SW( u_out0, p_src );
+        SW( u_out1, ( p_src + 4 ) );
+        SW( u_out2, ( p_src + 4 * i_stride ) );
+        SW( u_out3, ( p_src + 4 * i_stride + 4 ) );
+        p_src += i_stride;
+    }
+}
+
+static void intra_predict_ddl_8x8_msa( uint8_t *p_src, uint8_t *p_dst,
+                                       int32_t i_dst_stride )
+{
+    uint8_t u_src_val = p_src[15];
+    uint64_t u_out0, u_out1, u_out2, u_out3;
+    v16u8 src, vec4, vec5, res0;
+    v8u16 vec0, vec1, vec2, vec3;
+    v2i64 res1, res2, res3;
+
+    src = LD_UB( p_src );
+
+    vec4 = ( v16u8 ) __msa_sldi_b( ( v16i8 ) src, ( v16i8 ) src, 1 );
+    vec5 = ( v16u8 ) __msa_sldi_b( ( v16i8 ) src, ( v16i8 ) src, 2 );
+    vec5 = ( v16u8 ) __msa_insert_b( ( v16i8 ) vec5, 14, u_src_val );
+    ILVR_B2_UH( vec5, src, vec4, vec4, vec0, vec1 );
+    ILVL_B2_UH( vec5, src, vec4, vec4, vec2, vec3 );
+    HADD_UB4_UH( vec0, vec1, vec2, vec3, vec0, vec1, vec2, vec3 );
+
+    vec0 += vec1;
+    vec2 += vec3;
+    vec0 = ( v8u16 ) __msa_srari_h( ( v8i16 ) vec0, 2 );
+    vec2 = ( v8u16 ) __msa_srari_h( ( v8i16 ) vec2, 2 );
+
+    res0 = ( v16u8 ) __msa_pckev_b( ( v16i8 ) vec2, ( v16i8 ) vec0 );
+    res1 = ( v2i64 ) __msa_sldi_b( ( v16i8 ) res0, ( v16i8 ) res0, 1 );
+    res2 = ( v2i64 ) __msa_sldi_b( ( v16i8 ) res0, ( v16i8 ) res0, 2 );
+    res3 = ( v2i64 ) __msa_sldi_b( ( v16i8 ) res0, ( v16i8 ) res0, 3 );
+
+    u_out0 = __msa_copy_u_d( ( v2i64 ) res0, 0 );
+    u_out1 = __msa_copy_u_d( res1, 0 );
+    u_out2 = __msa_copy_u_d( res2, 0 );
+    u_out3 = __msa_copy_u_d( res3, 0 );
+    SD4( u_out0, u_out1, u_out2, u_out3, p_dst, i_dst_stride );
+    p_dst += ( 4 * i_dst_stride );
+
+    res0 = ( v16u8 ) __msa_sldi_b( ( v16i8 ) res0, ( v16i8 ) res0, 4 );
+    res1 = ( v2i64 ) __msa_sldi_b( ( v16i8 ) res0, ( v16i8 ) res0, 1 );
+    res2 = ( v2i64 ) __msa_sldi_b( ( v16i8 ) res0, ( v16i8 ) res0, 2 );
+    res3 = ( v2i64 ) __msa_sldi_b( ( v16i8 ) res0, ( v16i8 ) res0, 3 );
+
+    u_out0 = __msa_copy_u_d( ( v2i64 ) res0, 0 );
+    u_out1 = __msa_copy_u_d( res1, 0 );
+    u_out2 = __msa_copy_u_d( res2, 0 );
+    u_out3 = __msa_copy_u_d( res3, 0 );
+    SD4( u_out0, u_out1, u_out2, u_out3, p_dst, i_dst_stride );
+}
+
+static void intra_predict_128dc_16x16_msa( uint8_t *p_dst,
+                                           int32_t i_dst_stride )
+{
+    v16u8 out = ( v16u8 ) __msa_ldi_b( 128 );
+
+    ST_UB8( out, out, out, out, out, out, out, out, p_dst, i_dst_stride );
+    p_dst += ( 8 * i_dst_stride );
+    ST_UB8( out, out, out, out, out, out, out, out, p_dst, i_dst_stride );
+}
+
+void x264_intra_predict_dc_16x16_msa( uint8_t *p_src )
+{
+    intra_predict_dc_16x16_msa( ( p_src - FDEC_STRIDE ), ( p_src - 1 ),
+                                FDEC_STRIDE, p_src, FDEC_STRIDE, 1, 1 );
+}
+
+void x264_intra_predict_dc_left_16x16_msa( uint8_t *p_src )
+{
+    intra_predict_dc_16x16_msa( ( p_src - FDEC_STRIDE ), ( p_src - 1 ),
+                                FDEC_STRIDE, p_src, FDEC_STRIDE, 0, 1 );
+}
+
+void x264_intra_predict_dc_top_16x16_msa( uint8_t *p_src )
+{
+    intra_predict_dc_16x16_msa( ( p_src - FDEC_STRIDE ), ( p_src - 1 ),
+                                FDEC_STRIDE, p_src, FDEC_STRIDE, 1, 0 );
+}
+
+void x264_intra_predict_dc_128_16x16_msa( uint8_t *p_src )
+{
+    intra_predict_128dc_16x16_msa( p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_hor_16x16_msa( uint8_t *p_src )
+{
+    intra_predict_horiz_16x16_msa( ( p_src - 1 ), FDEC_STRIDE,
+                                   p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_vert_16x16_msa( uint8_t *p_src )
+{
+    intra_predict_vert_16x16_msa( ( p_src - FDEC_STRIDE ), p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_plane_16x16_msa( uint8_t *p_src )
+{
+    intra_predict_plane_16x16_msa( p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_dc_4blk_8x8_msa( uint8_t *p_src )
+{
+    intra_predict_dc_4blk_8x8_msa( p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_hor_8x8_msa( uint8_t *p_src )
+{
+    intra_predict_horiz_8x8_msa( ( p_src - 1 ), FDEC_STRIDE,
+                                 p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_vert_8x8_msa( uint8_t *p_src )
+{
+    intra_predict_vert_8x8_msa( ( p_src - FDEC_STRIDE ), p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_plane_8x8_msa( uint8_t *p_src )
+{
+    intra_predict_plane_8x8_msa( p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_ddl_8x8_msa( uint8_t *p_src, uint8_t pu_xyz[36] )
+{
+    intra_predict_ddl_8x8_msa( ( pu_xyz + 16 ), p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_dc_8x8_msa( uint8_t *p_src, uint8_t pu_xyz[36] )
+{
+    intra_predict_dc_8x8_msa( ( pu_xyz + 16 ), ( pu_xyz + 7 ),
+                              p_src, FDEC_STRIDE);
+}
+
+void x264_intra_predict_h_8x8_msa( uint8_t *p_src, uint8_t pu_xyz[36] )
+{
+    intra_predict_horiz_8x8_msa( ( pu_xyz + 14 ), -1, p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_v_8x8_msa( uint8_t *p_src, uint8_t pu_xyz[36] )
+{
+    intra_predict_vert_8x8_msa( ( pu_xyz + 16 ), p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_dc_4x4_msa( uint8_t *p_src )
+{
+    intra_predict_dc_4x4_msa( ( p_src - FDEC_STRIDE ), ( p_src - 1 ),
+                              FDEC_STRIDE, p_src, FDEC_STRIDE, 1, 1 );
+}
+
+void x264_intra_predict_hor_4x4_msa( uint8_t *p_src )
+{
+    intra_predict_horiz_4x4_msa( ( p_src - 1 ), FDEC_STRIDE,
+                                 p_src, FDEC_STRIDE );
+}
+
+void x264_intra_predict_vert_4x4_msa( uint8_t *p_src )
+{
+    intra_predict_vert_4x4_msa( ( p_src - FDEC_STRIDE ), p_src, FDEC_STRIDE );
+}
+#endif
diff --git a/common/mips/predict.h b/common/mips/predict.h
new file mode 100644
index 0000000..537746c
--- /dev/null
+++ b/common/mips/predict.h
@@ -0,0 +1,48 @@
+/*****************************************************************************
+ * predict.h: msa intra prediction
+ *****************************************************************************
+ * Copyright (C) 2015 x264 project
+ *
+ * Authors: Rishikesh More <rishikesh.more at imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing at x264.com.
+ *****************************************************************************/
+
+#ifndef X264_MIPS_PREDICT_H
+#define X264_MIPS_PREDICT_H
+
+void x264_intra_predict_dc_16x16_msa( uint8_t *p_src );
+void x264_intra_predict_dc_left_16x16_msa( uint8_t *p_src );
+void x264_intra_predict_dc_top_16x16_msa( uint8_t *p_src );
+void x264_intra_predict_dc_128_16x16_msa( uint8_t *p_src );
+void x264_intra_predict_hor_16x16_msa( uint8_t *p_src );
+void x264_intra_predict_vert_16x16_msa( uint8_t *p_src );
+void x264_intra_predict_plane_16x16_msa( uint8_t *p_src );
+void x264_intra_predict_dc_4blk_8x8_msa( uint8_t *p_src );
+void x264_intra_predict_hor_8x8_msa( uint8_t *p_src );
+void x264_intra_predict_vert_8x8_msa( uint8_t *p_src );
+void x264_intra_predict_plane_8x8_msa( uint8_t *p_src );
+void x264_intra_predict_ddl_8x8_msa( uint8_t *p_src, uint8_t pu_xyz[36] );
+void x264_intra_predict_dc_8x8_msa( uint8_t *p_src, uint8_t pu_xyz[36] );
+void x264_intra_predict_h_8x8_msa( uint8_t *p_src, uint8_t pu_xyz[36] );
+void x264_intra_predict_v_8x8_msa( uint8_t *p_src, uint8_t pu_xyz[36] );
+void x264_intra_predict_dc_4x4_msa( uint8_t *p_src );
+void x264_intra_predict_hor_4x4_msa( uint8_t *p_src );
+void x264_intra_predict_vert_4x4_msa( uint8_t *p_src );
+
+#endif
diff --git a/common/predict.c b/common/predict.c
index 8db6601..c0f2a0b 100644
--- a/common/predict.c
+++ b/common/predict.c
@@ -43,6 +43,9 @@
 #if ARCH_AARCH64
 #   include "aarch64/predict.h"
 #endif
+#if ARCH_MIPS
+#   include "mips/predict.h"
+#endif
 
 /****************************************************************************
  * 16x16 prediction for intra luma block
@@ -906,6 +909,21 @@ void x264_predict_16x16_init( int cpu, x264_predict_t pf[7] )
 #if ARCH_AARCH64
     x264_predict_16x16_init_aarch64( cpu, pf );
 #endif
+
+#if !HIGH_BIT_DEPTH
+#if HAVE_MSA
+    if( cpu&X264_CPU_MSA )
+    {
+        pf[I_PRED_16x16_V ]     = x264_intra_predict_vert_16x16_msa;
+        pf[I_PRED_16x16_H ]     = x264_intra_predict_hor_16x16_msa;
+        pf[I_PRED_16x16_DC]     = x264_intra_predict_dc_16x16_msa;
+        pf[I_PRED_16x16_P ]     = x264_intra_predict_plane_16x16_msa;
+        pf[I_PRED_16x16_DC_LEFT]= x264_intra_predict_dc_left_16x16_msa;
+        pf[I_PRED_16x16_DC_TOP ]= x264_intra_predict_dc_top_16x16_msa;
+        pf[I_PRED_16x16_DC_128 ]= x264_intra_predict_dc_128_16x16_msa;
+    }
+#endif
+#endif
 }
 
 void x264_predict_8x8c_init( int cpu, x264_predict_t pf[7] )
@@ -934,6 +952,15 @@ void x264_predict_8x8c_init( int cpu, x264_predict_t pf[7] )
 #if ARCH_AARCH64
     x264_predict_8x8c_init_aarch64( cpu, pf );
 #endif
+
+#if !HIGH_BIT_DEPTH
+#if HAVE_MSA
+    if( cpu&X264_CPU_MSA )
+    {
+        pf[I_PRED_CHROMA_P ]     = x264_intra_predict_plane_8x8_msa;
+    }
+#endif
+#endif
 }
 
 void x264_predict_8x16c_init( int cpu, x264_predict_t pf[7] )
@@ -982,6 +1009,15 @@ void x264_predict_8x8_init( int cpu, x264_predict8x8_t pf[12], x264_predict_8x8_
 #if ARCH_AARCH64
     x264_predict_8x8_init_aarch64( cpu, pf, predict_filter );
 #endif
+
+#if !HIGH_BIT_DEPTH
+#if HAVE_MSA
+    if( cpu&X264_CPU_MSA )
+    {
+        pf[I_PRED_8x8_DDL]    = x264_intra_predict_ddl_8x8_msa;
+    }
+#endif
+#endif
 }
 
 void x264_predict_4x4_init( int cpu, x264_predict_t pf[12] )
-- 
2.3.7



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