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      1 /*
      2  *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #include <assert.h>
     12 #include "./vpx_dsp_rtcd.h"
     13 #include "vpx_dsp/mips/vpx_convolve_msa.h"
     14 
     15 const uint8_t mc_filt_mask_arr[16 * 3] = {
     16   /* 8 width cases */
     17   0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8,
     18   /* 4 width cases */
     19   0, 1, 1, 2, 2, 3, 3, 4, 16, 17, 17, 18, 18, 19, 19, 20,
     20   /* 4 width cases */
     21   8, 9, 9, 10, 10, 11, 11, 12, 24, 25, 25, 26, 26, 27, 27, 28
     22 };
     23 
     24 static void common_hv_8ht_8vt_4w_msa(const uint8_t *src, int32_t src_stride,
     25                                      uint8_t *dst, int32_t dst_stride,
     26                                      int8_t *filter_horiz, int8_t *filter_vert,
     27                                      int32_t height) {
     28   uint32_t loop_cnt;
     29   v16i8 src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10;
     30   v16i8 filt_hz0, filt_hz1, filt_hz2, filt_hz3;
     31   v16u8 mask0, mask1, mask2, mask3, out;
     32   v8i16 hz_out0, hz_out1, hz_out2, hz_out3, hz_out4, hz_out5, hz_out6;
     33   v8i16 hz_out7, hz_out8, hz_out9, tmp0, tmp1, out0, out1, out2, out3, out4;
     34   v8i16 filt, filt_vt0, filt_vt1, filt_vt2, filt_vt3;
     35 
     36   mask0 = LD_UB(&mc_filt_mask_arr[16]);
     37   src -= (3 + 3 * src_stride);
     38 
     39   /* rearranging filter */
     40   filt = LD_SH(filter_horiz);
     41   SPLATI_H4_SB(filt, 0, 1, 2, 3, filt_hz0, filt_hz1, filt_hz2, filt_hz3);
     42 
     43   mask1 = mask0 + 2;
     44   mask2 = mask0 + 4;
     45   mask3 = mask0 + 6;
     46 
     47   LD_SB7(src, src_stride, src0, src1, src2, src3, src4, src5, src6);
     48   XORI_B7_128_SB(src0, src1, src2, src3, src4, src5, src6);
     49   src += (7 * src_stride);
     50 
     51   hz_out0 = HORIZ_8TAP_FILT(src0, src1, mask0, mask1, mask2, mask3, filt_hz0,
     52                             filt_hz1, filt_hz2, filt_hz3);
     53   hz_out2 = HORIZ_8TAP_FILT(src2, src3, mask0, mask1, mask2, mask3, filt_hz0,
     54                             filt_hz1, filt_hz2, filt_hz3);
     55   hz_out4 = HORIZ_8TAP_FILT(src4, src5, mask0, mask1, mask2, mask3, filt_hz0,
     56                             filt_hz1, filt_hz2, filt_hz3);
     57   hz_out5 = HORIZ_8TAP_FILT(src5, src6, mask0, mask1, mask2, mask3, filt_hz0,
     58                             filt_hz1, filt_hz2, filt_hz3);
     59   SLDI_B2_SH(hz_out2, hz_out4, hz_out0, hz_out2, hz_out1, hz_out3, 8);
     60 
     61   filt = LD_SH(filter_vert);
     62   SPLATI_H4_SH(filt, 0, 1, 2, 3, filt_vt0, filt_vt1, filt_vt2, filt_vt3);
     63 
     64   ILVEV_B2_SH(hz_out0, hz_out1, hz_out2, hz_out3, out0, out1);
     65   out2 = (v8i16)__msa_ilvev_b((v16i8)hz_out5, (v16i8)hz_out4);
     66 
     67   for (loop_cnt = (height >> 2); loop_cnt--;) {
     68     LD_SB4(src, src_stride, src7, src8, src9, src10);
     69     XORI_B4_128_SB(src7, src8, src9, src10);
     70     src += (4 * src_stride);
     71 
     72     hz_out7 = HORIZ_8TAP_FILT(src7, src8, mask0, mask1, mask2, mask3, filt_hz0,
     73                               filt_hz1, filt_hz2, filt_hz3);
     74     hz_out6 = (v8i16)__msa_sldi_b((v16i8)hz_out7, (v16i8)hz_out5, 8);
     75     out3 = (v8i16)__msa_ilvev_b((v16i8)hz_out7, (v16i8)hz_out6);
     76     tmp0 = FILT_8TAP_DPADD_S_H(out0, out1, out2, out3, filt_vt0, filt_vt1,
     77                                filt_vt2, filt_vt3);
     78 
     79     hz_out9 = HORIZ_8TAP_FILT(src9, src10, mask0, mask1, mask2, mask3, filt_hz0,
     80                               filt_hz1, filt_hz2, filt_hz3);
     81     hz_out8 = (v8i16)__msa_sldi_b((v16i8)hz_out9, (v16i8)hz_out7, 8);
     82     out4 = (v8i16)__msa_ilvev_b((v16i8)hz_out9, (v16i8)hz_out8);
     83     tmp1 = FILT_8TAP_DPADD_S_H(out1, out2, out3, out4, filt_vt0, filt_vt1,
     84                                filt_vt2, filt_vt3);
     85     SRARI_H2_SH(tmp0, tmp1, FILTER_BITS);
     86     SAT_SH2_SH(tmp0, tmp1, 7);
     87     out = PCKEV_XORI128_UB(tmp0, tmp1);
     88     ST4x4_UB(out, out, 0, 1, 2, 3, dst, dst_stride);
     89     dst += (4 * dst_stride);
     90 
     91     hz_out5 = hz_out9;
     92     out0 = out2;
     93     out1 = out3;
     94     out2 = out4;
     95   }
     96 }
     97 
     98 static void common_hv_8ht_8vt_8w_msa(const uint8_t *src, int32_t src_stride,
     99                                      uint8_t *dst, int32_t dst_stride,
    100                                      int8_t *filter_horiz, int8_t *filter_vert,
    101                                      int32_t height) {
    102   uint32_t loop_cnt;
    103   v16i8 src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10;
    104   v16i8 filt_hz0, filt_hz1, filt_hz2, filt_hz3;
    105   v16u8 mask0, mask1, mask2, mask3, vec0, vec1;
    106   v8i16 filt, filt_vt0, filt_vt1, filt_vt2, filt_vt3;
    107   v8i16 hz_out0, hz_out1, hz_out2, hz_out3, hz_out4, hz_out5, hz_out6;
    108   v8i16 hz_out7, hz_out8, hz_out9, hz_out10, tmp0, tmp1, tmp2, tmp3;
    109   v8i16 out0, out1, out2, out3, out4, out5, out6, out7, out8, out9;
    110 
    111   mask0 = LD_UB(&mc_filt_mask_arr[0]);
    112   src -= (3 + 3 * src_stride);
    113 
    114   /* rearranging filter */
    115   filt = LD_SH(filter_horiz);
    116   SPLATI_H4_SB(filt, 0, 1, 2, 3, filt_hz0, filt_hz1, filt_hz2, filt_hz3);
    117 
    118   mask1 = mask0 + 2;
    119   mask2 = mask0 + 4;
    120   mask3 = mask0 + 6;
    121 
    122   LD_SB7(src, src_stride, src0, src1, src2, src3, src4, src5, src6);
    123   src += (7 * src_stride);
    124 
    125   XORI_B7_128_SB(src0, src1, src2, src3, src4, src5, src6);
    126   hz_out0 = HORIZ_8TAP_FILT(src0, src0, mask0, mask1, mask2, mask3, filt_hz0,
    127                             filt_hz1, filt_hz2, filt_hz3);
    128   hz_out1 = HORIZ_8TAP_FILT(src1, src1, mask0, mask1, mask2, mask3, filt_hz0,
    129                             filt_hz1, filt_hz2, filt_hz3);
    130   hz_out2 = HORIZ_8TAP_FILT(src2, src2, mask0, mask1, mask2, mask3, filt_hz0,
    131                             filt_hz1, filt_hz2, filt_hz3);
    132   hz_out3 = HORIZ_8TAP_FILT(src3, src3, mask0, mask1, mask2, mask3, filt_hz0,
    133                             filt_hz1, filt_hz2, filt_hz3);
    134   hz_out4 = HORIZ_8TAP_FILT(src4, src4, mask0, mask1, mask2, mask3, filt_hz0,
    135                             filt_hz1, filt_hz2, filt_hz3);
    136   hz_out5 = HORIZ_8TAP_FILT(src5, src5, mask0, mask1, mask2, mask3, filt_hz0,
    137                             filt_hz1, filt_hz2, filt_hz3);
    138   hz_out6 = HORIZ_8TAP_FILT(src6, src6, mask0, mask1, mask2, mask3, filt_hz0,
    139                             filt_hz1, filt_hz2, filt_hz3);
    140 
    141   filt = LD_SH(filter_vert);
    142   SPLATI_H4_SH(filt, 0, 1, 2, 3, filt_vt0, filt_vt1, filt_vt2, filt_vt3);
    143 
    144   ILVEV_B2_SH(hz_out0, hz_out1, hz_out2, hz_out3, out0, out1);
    145   ILVEV_B2_SH(hz_out4, hz_out5, hz_out1, hz_out2, out2, out4);
    146   ILVEV_B2_SH(hz_out3, hz_out4, hz_out5, hz_out6, out5, out6);
    147 
    148   for (loop_cnt = (height >> 2); loop_cnt--;) {
    149     LD_SB4(src, src_stride, src7, src8, src9, src10);
    150     src += (4 * src_stride);
    151 
    152     XORI_B4_128_SB(src7, src8, src9, src10);
    153 
    154     hz_out7 = HORIZ_8TAP_FILT(src7, src7, mask0, mask1, mask2, mask3, filt_hz0,
    155                               filt_hz1, filt_hz2, filt_hz3);
    156     out3 = (v8i16)__msa_ilvev_b((v16i8)hz_out7, (v16i8)hz_out6);
    157     tmp0 = FILT_8TAP_DPADD_S_H(out0, out1, out2, out3, filt_vt0, filt_vt1,
    158                                filt_vt2, filt_vt3);
    159 
    160     hz_out8 = HORIZ_8TAP_FILT(src8, src8, mask0, mask1, mask2, mask3, filt_hz0,
    161                               filt_hz1, filt_hz2, filt_hz3);
    162     out7 = (v8i16)__msa_ilvev_b((v16i8)hz_out8, (v16i8)hz_out7);
    163     tmp1 = FILT_8TAP_DPADD_S_H(out4, out5, out6, out7, filt_vt0, filt_vt1,
    164                                filt_vt2, filt_vt3);
    165 
    166     hz_out9 = HORIZ_8TAP_FILT(src9, src9, mask0, mask1, mask2, mask3, filt_hz0,
    167                               filt_hz1, filt_hz2, filt_hz3);
    168     out8 = (v8i16)__msa_ilvev_b((v16i8)hz_out9, (v16i8)hz_out8);
    169     tmp2 = FILT_8TAP_DPADD_S_H(out1, out2, out3, out8, filt_vt0, filt_vt1,
    170                                filt_vt2, filt_vt3);
    171 
    172     hz_out10 = HORIZ_8TAP_FILT(src10, src10, mask0, mask1, mask2, mask3,
    173                                filt_hz0, filt_hz1, filt_hz2, filt_hz3);
    174     out9 = (v8i16)__msa_ilvev_b((v16i8)hz_out10, (v16i8)hz_out9);
    175     tmp3 = FILT_8TAP_DPADD_S_H(out5, out6, out7, out9, filt_vt0, filt_vt1,
    176                                filt_vt2, filt_vt3);
    177     SRARI_H4_SH(tmp0, tmp1, tmp2, tmp3, FILTER_BITS);
    178     SAT_SH4_SH(tmp0, tmp1, tmp2, tmp3, 7);
    179     vec0 = PCKEV_XORI128_UB(tmp0, tmp1);
    180     vec1 = PCKEV_XORI128_UB(tmp2, tmp3);
    181     ST8x4_UB(vec0, vec1, dst, dst_stride);
    182     dst += (4 * dst_stride);
    183 
    184     hz_out6 = hz_out10;
    185     out0 = out2;
    186     out1 = out3;
    187     out2 = out8;
    188     out4 = out6;
    189     out5 = out7;
    190     out6 = out9;
    191   }
    192 }
    193 
    194 static void common_hv_8ht_8vt_16w_msa(const uint8_t *src, int32_t src_stride,
    195                                       uint8_t *dst, int32_t dst_stride,
    196                                       int8_t *filter_horiz, int8_t *filter_vert,
    197                                       int32_t height) {
    198   int32_t multiple8_cnt;
    199   for (multiple8_cnt = 2; multiple8_cnt--;) {
    200     common_hv_8ht_8vt_8w_msa(src, src_stride, dst, dst_stride, filter_horiz,
    201                              filter_vert, height);
    202     src += 8;
    203     dst += 8;
    204   }
    205 }
    206 
    207 static void common_hv_8ht_8vt_32w_msa(const uint8_t *src, int32_t src_stride,
    208                                       uint8_t *dst, int32_t dst_stride,
    209                                       int8_t *filter_horiz, int8_t *filter_vert,
    210                                       int32_t height) {
    211   int32_t multiple8_cnt;
    212   for (multiple8_cnt = 4; multiple8_cnt--;) {
    213     common_hv_8ht_8vt_8w_msa(src, src_stride, dst, dst_stride, filter_horiz,
    214                              filter_vert, height);
    215     src += 8;
    216     dst += 8;
    217   }
    218 }
    219 
    220 static void common_hv_8ht_8vt_64w_msa(const uint8_t *src, int32_t src_stride,
    221                                       uint8_t *dst, int32_t dst_stride,
    222                                       int8_t *filter_horiz, int8_t *filter_vert,
    223                                       int32_t height) {
    224   int32_t multiple8_cnt;
    225   for (multiple8_cnt = 8; multiple8_cnt--;) {
    226     common_hv_8ht_8vt_8w_msa(src, src_stride, dst, dst_stride, filter_horiz,
    227                              filter_vert, height);
    228     src += 8;
    229     dst += 8;
    230   }
    231 }
    232 
    233 static void common_hv_2ht_2vt_4x4_msa(const uint8_t *src, int32_t src_stride,
    234                                       uint8_t *dst, int32_t dst_stride,
    235                                       int8_t *filter_horiz,
    236                                       int8_t *filter_vert) {
    237   v16i8 src0, src1, src2, src3, src4, mask;
    238   v16u8 filt_vt, filt_hz, vec0, vec1, res0, res1;
    239   v8u16 hz_out0, hz_out1, hz_out2, hz_out3, hz_out4, filt, tmp0, tmp1;
    240 
    241   mask = LD_SB(&mc_filt_mask_arr[16]);
    242 
    243   /* rearranging filter */
    244   filt = LD_UH(filter_horiz);
    245   filt_hz = (v16u8)__msa_splati_h((v8i16)filt, 0);
    246 
    247   filt = LD_UH(filter_vert);
    248   filt_vt = (v16u8)__msa_splati_h((v8i16)filt, 0);
    249 
    250   LD_SB5(src, src_stride, src0, src1, src2, src3, src4);
    251   hz_out0 = HORIZ_2TAP_FILT_UH(src0, src1, mask, filt_hz, FILTER_BITS);
    252   hz_out2 = HORIZ_2TAP_FILT_UH(src2, src3, mask, filt_hz, FILTER_BITS);
    253   hz_out4 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
    254   hz_out1 = (v8u16)__msa_sldi_b((v16i8)hz_out2, (v16i8)hz_out0, 8);
    255   hz_out3 = (v8u16)__msa_pckod_d((v2i64)hz_out4, (v2i64)hz_out2);
    256 
    257   ILVEV_B2_UB(hz_out0, hz_out1, hz_out2, hz_out3, vec0, vec1);
    258   DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp0, tmp1);
    259   SRARI_H2_UH(tmp0, tmp1, FILTER_BITS);
    260   PCKEV_B2_UB(tmp0, tmp0, tmp1, tmp1, res0, res1);
    261   ST4x4_UB(res0, res1, 0, 1, 0, 1, dst, dst_stride);
    262 }
    263 
    264 static void common_hv_2ht_2vt_4x8_msa(const uint8_t *src, int32_t src_stride,
    265                                       uint8_t *dst, int32_t dst_stride,
    266                                       int8_t *filter_horiz,
    267                                       int8_t *filter_vert) {
    268   v16i8 src0, src1, src2, src3, src4, src5, src6, src7, src8, mask;
    269   v16i8 res0, res1, res2, res3;
    270   v16u8 filt_hz, filt_vt, vec0, vec1, vec2, vec3;
    271   v8u16 hz_out0, hz_out1, hz_out2, hz_out3, hz_out4, hz_out5, hz_out6;
    272   v8u16 hz_out7, hz_out8, vec4, vec5, vec6, vec7, filt;
    273 
    274   mask = LD_SB(&mc_filt_mask_arr[16]);
    275 
    276   /* rearranging filter */
    277   filt = LD_UH(filter_horiz);
    278   filt_hz = (v16u8)__msa_splati_h((v8i16)filt, 0);
    279 
    280   filt = LD_UH(filter_vert);
    281   filt_vt = (v16u8)__msa_splati_h((v8i16)filt, 0);
    282 
    283   LD_SB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
    284   src += (8 * src_stride);
    285   src8 = LD_SB(src);
    286 
    287   hz_out0 = HORIZ_2TAP_FILT_UH(src0, src1, mask, filt_hz, FILTER_BITS);
    288   hz_out2 = HORIZ_2TAP_FILT_UH(src2, src3, mask, filt_hz, FILTER_BITS);
    289   hz_out4 = HORIZ_2TAP_FILT_UH(src4, src5, mask, filt_hz, FILTER_BITS);
    290   hz_out6 = HORIZ_2TAP_FILT_UH(src6, src7, mask, filt_hz, FILTER_BITS);
    291   hz_out8 = HORIZ_2TAP_FILT_UH(src8, src8, mask, filt_hz, FILTER_BITS);
    292   SLDI_B3_UH(hz_out2, hz_out4, hz_out6, hz_out0, hz_out2, hz_out4, hz_out1,
    293              hz_out3, hz_out5, 8);
    294   hz_out7 = (v8u16)__msa_pckod_d((v2i64)hz_out8, (v2i64)hz_out6);
    295 
    296   ILVEV_B2_UB(hz_out0, hz_out1, hz_out2, hz_out3, vec0, vec1);
    297   ILVEV_B2_UB(hz_out4, hz_out5, hz_out6, hz_out7, vec2, vec3);
    298   DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt_vt, filt_vt, filt_vt, filt_vt, vec4,
    299               vec5, vec6, vec7);
    300   SRARI_H4_UH(vec4, vec5, vec6, vec7, FILTER_BITS);
    301   PCKEV_B4_SB(vec4, vec4, vec5, vec5, vec6, vec6, vec7, vec7, res0, res1, res2,
    302               res3);
    303   ST4x4_UB(res0, res1, 0, 1, 0, 1, dst, dst_stride);
    304   dst += (4 * dst_stride);
    305   ST4x4_UB(res2, res3, 0, 1, 0, 1, dst, dst_stride);
    306 }
    307 
    308 static void common_hv_2ht_2vt_4w_msa(const uint8_t *src, int32_t src_stride,
    309                                      uint8_t *dst, int32_t dst_stride,
    310                                      int8_t *filter_horiz, int8_t *filter_vert,
    311                                      int32_t height) {
    312   if (4 == height) {
    313     common_hv_2ht_2vt_4x4_msa(src, src_stride, dst, dst_stride, filter_horiz,
    314                               filter_vert);
    315   } else if (8 == height) {
    316     common_hv_2ht_2vt_4x8_msa(src, src_stride, dst, dst_stride, filter_horiz,
    317                               filter_vert);
    318   }
    319 }
    320 
    321 static void common_hv_2ht_2vt_8x4_msa(const uint8_t *src, int32_t src_stride,
    322                                       uint8_t *dst, int32_t dst_stride,
    323                                       int8_t *filter_horiz,
    324                                       int8_t *filter_vert) {
    325   v16i8 src0, src1, src2, src3, src4, mask, out0, out1;
    326   v16u8 filt_hz, filt_vt, vec0, vec1, vec2, vec3;
    327   v8u16 hz_out0, hz_out1, tmp0, tmp1, tmp2, tmp3;
    328   v8i16 filt;
    329 
    330   mask = LD_SB(&mc_filt_mask_arr[0]);
    331 
    332   /* rearranging filter */
    333   filt = LD_SH(filter_horiz);
    334   filt_hz = (v16u8)__msa_splati_h(filt, 0);
    335 
    336   filt = LD_SH(filter_vert);
    337   filt_vt = (v16u8)__msa_splati_h(filt, 0);
    338 
    339   LD_SB5(src, src_stride, src0, src1, src2, src3, src4);
    340 
    341   hz_out0 = HORIZ_2TAP_FILT_UH(src0, src0, mask, filt_hz, FILTER_BITS);
    342   hz_out1 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
    343   vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
    344   tmp0 = __msa_dotp_u_h(vec0, filt_vt);
    345 
    346   hz_out0 = HORIZ_2TAP_FILT_UH(src2, src2, mask, filt_hz, FILTER_BITS);
    347   vec1 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
    348   tmp1 = __msa_dotp_u_h(vec1, filt_vt);
    349 
    350   hz_out1 = HORIZ_2TAP_FILT_UH(src3, src3, mask, filt_hz, FILTER_BITS);
    351   vec2 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
    352   tmp2 = __msa_dotp_u_h(vec2, filt_vt);
    353 
    354   hz_out0 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
    355   vec3 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
    356   tmp3 = __msa_dotp_u_h(vec3, filt_vt);
    357 
    358   SRARI_H4_UH(tmp0, tmp1, tmp2, tmp3, FILTER_BITS);
    359   PCKEV_B2_SB(tmp1, tmp0, tmp3, tmp2, out0, out1);
    360   ST8x4_UB(out0, out1, dst, dst_stride);
    361 }
    362 
    363 static void common_hv_2ht_2vt_8x8mult_msa(const uint8_t *src,
    364                                           int32_t src_stride, uint8_t *dst,
    365                                           int32_t dst_stride,
    366                                           int8_t *filter_horiz,
    367                                           int8_t *filter_vert, int32_t height) {
    368   uint32_t loop_cnt;
    369   v16i8 src0, src1, src2, src3, src4, mask, out0, out1;
    370   v16u8 filt_hz, filt_vt, vec0;
    371   v8u16 hz_out0, hz_out1, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
    372   v8i16 filt;
    373 
    374   mask = LD_SB(&mc_filt_mask_arr[0]);
    375 
    376   /* rearranging filter */
    377   filt = LD_SH(filter_horiz);
    378   filt_hz = (v16u8)__msa_splati_h(filt, 0);
    379 
    380   filt = LD_SH(filter_vert);
    381   filt_vt = (v16u8)__msa_splati_h(filt, 0);
    382 
    383   src0 = LD_SB(src);
    384   src += src_stride;
    385 
    386   hz_out0 = HORIZ_2TAP_FILT_UH(src0, src0, mask, filt_hz, FILTER_BITS);
    387 
    388   for (loop_cnt = (height >> 3); loop_cnt--;) {
    389     LD_SB4(src, src_stride, src1, src2, src3, src4);
    390     src += (4 * src_stride);
    391 
    392     hz_out1 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
    393     vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
    394     tmp1 = __msa_dotp_u_h(vec0, filt_vt);
    395 
    396     hz_out0 = HORIZ_2TAP_FILT_UH(src2, src2, mask, filt_hz, FILTER_BITS);
    397     vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
    398     tmp2 = __msa_dotp_u_h(vec0, filt_vt);
    399 
    400     SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
    401 
    402     hz_out1 = HORIZ_2TAP_FILT_UH(src3, src3, mask, filt_hz, FILTER_BITS);
    403     vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
    404     tmp3 = __msa_dotp_u_h(vec0, filt_vt);
    405 
    406     hz_out0 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
    407     LD_SB4(src, src_stride, src1, src2, src3, src4);
    408     src += (4 * src_stride);
    409     vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
    410     tmp4 = __msa_dotp_u_h(vec0, filt_vt);
    411 
    412     SRARI_H2_UH(tmp3, tmp4, FILTER_BITS);
    413     PCKEV_B2_SB(tmp2, tmp1, tmp4, tmp3, out0, out1);
    414     ST8x4_UB(out0, out1, dst, dst_stride);
    415     dst += (4 * dst_stride);
    416 
    417     hz_out1 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
    418     vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
    419     tmp5 = __msa_dotp_u_h(vec0, filt_vt);
    420 
    421     hz_out0 = HORIZ_2TAP_FILT_UH(src2, src2, mask, filt_hz, FILTER_BITS);
    422     vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
    423     tmp6 = __msa_dotp_u_h(vec0, filt_vt);
    424 
    425     hz_out1 = HORIZ_2TAP_FILT_UH(src3, src3, mask, filt_hz, FILTER_BITS);
    426     vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
    427     tmp7 = __msa_dotp_u_h(vec0, filt_vt);
    428 
    429     hz_out0 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
    430     vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
    431     tmp8 = __msa_dotp_u_h(vec0, filt_vt);
    432 
    433     SRARI_H4_UH(tmp5, tmp6, tmp7, tmp8, FILTER_BITS);
    434     PCKEV_B2_SB(tmp6, tmp5, tmp8, tmp7, out0, out1);
    435     ST8x4_UB(out0, out1, dst, dst_stride);
    436     dst += (4 * dst_stride);
    437   }
    438 }
    439 
    440 static void common_hv_2ht_2vt_8w_msa(const uint8_t *src, int32_t src_stride,
    441                                      uint8_t *dst, int32_t dst_stride,
    442                                      int8_t *filter_horiz, int8_t *filter_vert,
    443                                      int32_t height) {
    444   if (4 == height) {
    445     common_hv_2ht_2vt_8x4_msa(src, src_stride, dst, dst_stride, filter_horiz,
    446                               filter_vert);
    447   } else {
    448     common_hv_2ht_2vt_8x8mult_msa(src, src_stride, dst, dst_stride,
    449                                   filter_horiz, filter_vert, height);
    450   }
    451 }
    452 
    453 static void common_hv_2ht_2vt_16w_msa(const uint8_t *src, int32_t src_stride,
    454                                       uint8_t *dst, int32_t dst_stride,
    455                                       int8_t *filter_horiz, int8_t *filter_vert,
    456                                       int32_t height) {
    457   uint32_t loop_cnt;
    458   v16i8 src0, src1, src2, src3, src4, src5, src6, src7, mask;
    459   v16u8 filt_hz, filt_vt, vec0, vec1;
    460   v8u16 tmp1, tmp2, hz_out0, hz_out1, hz_out2, hz_out3;
    461   v8i16 filt;
    462 
    463   mask = LD_SB(&mc_filt_mask_arr[0]);
    464 
    465   /* rearranging filter */
    466   filt = LD_SH(filter_horiz);
    467   filt_hz = (v16u8)__msa_splati_h(filt, 0);
    468 
    469   filt = LD_SH(filter_vert);
    470   filt_vt = (v16u8)__msa_splati_h(filt, 0);
    471 
    472   LD_SB2(src, 8, src0, src1);
    473   src += src_stride;
    474 
    475   hz_out0 = HORIZ_2TAP_FILT_UH(src0, src0, mask, filt_hz, FILTER_BITS);
    476   hz_out2 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
    477 
    478   for (loop_cnt = (height >> 2); loop_cnt--;) {
    479     LD_SB4(src, src_stride, src0, src2, src4, src6);
    480     LD_SB4(src + 8, src_stride, src1, src3, src5, src7);
    481     src += (4 * src_stride);
    482 
    483     hz_out1 = HORIZ_2TAP_FILT_UH(src0, src0, mask, filt_hz, FILTER_BITS);
    484     hz_out3 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
    485     ILVEV_B2_UB(hz_out0, hz_out1, hz_out2, hz_out3, vec0, vec1);
    486     DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp1, tmp2);
    487     SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
    488     PCKEV_ST_SB(tmp1, tmp2, dst);
    489     dst += dst_stride;
    490 
    491     hz_out0 = HORIZ_2TAP_FILT_UH(src2, src2, mask, filt_hz, FILTER_BITS);
    492     hz_out2 = HORIZ_2TAP_FILT_UH(src3, src3, mask, filt_hz, FILTER_BITS);
    493     ILVEV_B2_UB(hz_out1, hz_out0, hz_out3, hz_out2, vec0, vec1);
    494     DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp1, tmp2);
    495     SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
    496     PCKEV_ST_SB(tmp1, tmp2, dst);
    497     dst += dst_stride;
    498 
    499     hz_out1 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
    500     hz_out3 = HORIZ_2TAP_FILT_UH(src5, src5, mask, filt_hz, FILTER_BITS);
    501     ILVEV_B2_UB(hz_out0, hz_out1, hz_out2, hz_out3, vec0, vec1);
    502     DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp1, tmp2);
    503     SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
    504     PCKEV_ST_SB(tmp1, tmp2, dst);
    505     dst += dst_stride;
    506 
    507     hz_out0 = HORIZ_2TAP_FILT_UH(src6, src6, mask, filt_hz, FILTER_BITS);
    508     hz_out2 = HORIZ_2TAP_FILT_UH(src7, src7, mask, filt_hz, FILTER_BITS);
    509     ILVEV_B2_UB(hz_out1, hz_out0, hz_out3, hz_out2, vec0, vec1);
    510     DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp1, tmp2);
    511     SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
    512     PCKEV_ST_SB(tmp1, tmp2, dst);
    513     dst += dst_stride;
    514   }
    515 }
    516 
    517 static void common_hv_2ht_2vt_32w_msa(const uint8_t *src, int32_t src_stride,
    518                                       uint8_t *dst, int32_t dst_stride,
    519                                       int8_t *filter_horiz, int8_t *filter_vert,
    520                                       int32_t height) {
    521   int32_t multiple8_cnt;
    522   for (multiple8_cnt = 2; multiple8_cnt--;) {
    523     common_hv_2ht_2vt_16w_msa(src, src_stride, dst, dst_stride, filter_horiz,
    524                               filter_vert, height);
    525     src += 16;
    526     dst += 16;
    527   }
    528 }
    529 
    530 static void common_hv_2ht_2vt_64w_msa(const uint8_t *src, int32_t src_stride,
    531                                       uint8_t *dst, int32_t dst_stride,
    532                                       int8_t *filter_horiz, int8_t *filter_vert,
    533                                       int32_t height) {
    534   int32_t multiple8_cnt;
    535   for (multiple8_cnt = 4; multiple8_cnt--;) {
    536     common_hv_2ht_2vt_16w_msa(src, src_stride, dst, dst_stride, filter_horiz,
    537                               filter_vert, height);
    538     src += 16;
    539     dst += 16;
    540   }
    541 }
    542 
    543 void vpx_convolve8_msa(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
    544                        ptrdiff_t dst_stride, const int16_t *filter_x,
    545                        int32_t x_step_q4, const int16_t *filter_y,
    546                        int32_t y_step_q4, int32_t w, int32_t h) {
    547   int8_t cnt, filt_hor[8], filt_ver[8];
    548 
    549   assert(x_step_q4 == 16);
    550   assert(y_step_q4 == 16);
    551   assert(((const int32_t *)filter_x)[1] != 0x800000);
    552   assert(((const int32_t *)filter_y)[1] != 0x800000);
    553 
    554   for (cnt = 0; cnt < 8; ++cnt) {
    555     filt_hor[cnt] = filter_x[cnt];
    556     filt_ver[cnt] = filter_y[cnt];
    557   }
    558 
    559   if (((const int32_t *)filter_x)[0] == 0 &&
    560       ((const int32_t *)filter_y)[0] == 0) {
    561     switch (w) {
    562       case 4:
    563         common_hv_2ht_2vt_4w_msa(src, (int32_t)src_stride, dst,
    564                                  (int32_t)dst_stride, &filt_hor[3],
    565                                  &filt_ver[3], (int32_t)h);
    566         break;
    567       case 8:
    568         common_hv_2ht_2vt_8w_msa(src, (int32_t)src_stride, dst,
    569                                  (int32_t)dst_stride, &filt_hor[3],
    570                                  &filt_ver[3], (int32_t)h);
    571         break;
    572       case 16:
    573         common_hv_2ht_2vt_16w_msa(src, (int32_t)src_stride, dst,
    574                                   (int32_t)dst_stride, &filt_hor[3],
    575                                   &filt_ver[3], (int32_t)h);
    576         break;
    577       case 32:
    578         common_hv_2ht_2vt_32w_msa(src, (int32_t)src_stride, dst,
    579                                   (int32_t)dst_stride, &filt_hor[3],
    580                                   &filt_ver[3], (int32_t)h);
    581         break;
    582       case 64:
    583         common_hv_2ht_2vt_64w_msa(src, (int32_t)src_stride, dst,
    584                                   (int32_t)dst_stride, &filt_hor[3],
    585                                   &filt_ver[3], (int32_t)h);
    586         break;
    587       default:
    588         vpx_convolve8_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
    589                         filter_y, y_step_q4, w, h);
    590         break;
    591     }
    592   } else if (((const int32_t *)filter_x)[0] == 0 ||
    593              ((const int32_t *)filter_y)[0] == 0) {
    594     vpx_convolve8_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
    595                     filter_y, y_step_q4, w, h);
    596   } else {
    597     switch (w) {
    598       case 4:
    599         common_hv_8ht_8vt_4w_msa(src, (int32_t)src_stride, dst,
    600                                  (int32_t)dst_stride, filt_hor, filt_ver,
    601                                  (int32_t)h);
    602         break;
    603       case 8:
    604         common_hv_8ht_8vt_8w_msa(src, (int32_t)src_stride, dst,
    605                                  (int32_t)dst_stride, filt_hor, filt_ver,
    606                                  (int32_t)h);
    607         break;
    608       case 16:
    609         common_hv_8ht_8vt_16w_msa(src, (int32_t)src_stride, dst,
    610                                   (int32_t)dst_stride, filt_hor, filt_ver,
    611                                   (int32_t)h);
    612         break;
    613       case 32:
    614         common_hv_8ht_8vt_32w_msa(src, (int32_t)src_stride, dst,
    615                                   (int32_t)dst_stride, filt_hor, filt_ver,
    616                                   (int32_t)h);
    617         break;
    618       case 64:
    619         common_hv_8ht_8vt_64w_msa(src, (int32_t)src_stride, dst,
    620                                   (int32_t)dst_stride, filt_hor, filt_ver,
    621                                   (int32_t)h);
    622         break;
    623       default:
    624         vpx_convolve8_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
    625                         filter_y, y_step_q4, w, h);
    626         break;
    627     }
    628   }
    629 }
    630