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 "vpx_dsp/mips/common_dspr2.h" 12 13#if HAVE_DSPR2 14void vpx_h_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, 15 const uint8_t *above, const uint8_t *left) { 16 int32_t tmp1, tmp2, tmp3, tmp4; 17 18 __asm__ __volatile__ ( 19 "lb %[tmp1], (%[left]) \n\t" 20 "lb %[tmp2], 1(%[left]) \n\t" 21 "lb %[tmp3], 2(%[left]) \n\t" 22 "lb %[tmp4], 3(%[left]) \n\t" 23 "replv.qb %[tmp1], %[tmp1] \n\t" 24 "replv.qb %[tmp2], %[tmp2] \n\t" 25 "replv.qb %[tmp3], %[tmp3] \n\t" 26 "replv.qb %[tmp4], %[tmp4] \n\t" 27 "sw %[tmp1], (%[dst]) \n\t" 28 "add %[dst], %[dst], %[stride] \n\t" 29 "sw %[tmp2], (%[dst]) \n\t" 30 "add %[dst], %[dst], %[stride] \n\t" 31 "sw %[tmp3], (%[dst]) \n\t" 32 "add %[dst], %[dst], %[stride] \n\t" 33 "sw %[tmp4], (%[dst]) \n\t" 34 35 : [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2), 36 [tmp3] "=&r" (tmp3), [tmp4] "=&r" (tmp4) 37 : [left] "r" (left), [dst] "r" (dst), [stride] "r" (stride) 38 ); 39} 40 41void vpx_dc_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, 42 const uint8_t *above, const uint8_t *left) { 43 int32_t expected_dc; 44 int32_t average; 45 int32_t tmp, above_c, above_l, above_r, left_c, left_r, left_l; 46 47 __asm__ __volatile__ ( 48 "lw %[above_c], (%[above]) \n\t" 49 "lw %[left_c], (%[left]) \n\t" 50 51 "preceu.ph.qbl %[above_l], %[above_c] \n\t" 52 "preceu.ph.qbr %[above_r], %[above_c] \n\t" 53 "preceu.ph.qbl %[left_l], %[left_c] \n\t" 54 "preceu.ph.qbr %[left_r], %[left_c] \n\t" 55 56 "addu.ph %[average], %[above_r], %[above_l] \n\t" 57 "addu.ph %[average], %[average], %[left_l] \n\t" 58 "addu.ph %[average], %[average], %[left_r] \n\t" 59 "addiu %[average], %[average], 4 \n\t" 60 "srl %[tmp], %[average], 16 \n\t" 61 "addu.ph %[average], %[tmp], %[average] \n\t" 62 "srl %[expected_dc], %[average], 3 \n\t" 63 "replv.qb %[expected_dc], %[expected_dc] \n\t" 64 65 "sw %[expected_dc], (%[dst]) \n\t" 66 "add %[dst], %[dst], %[stride] \n\t" 67 "sw %[expected_dc], (%[dst]) \n\t" 68 "add %[dst], %[dst], %[stride] \n\t" 69 "sw %[expected_dc], (%[dst]) \n\t" 70 "add %[dst], %[dst], %[stride] \n\t" 71 "sw %[expected_dc], (%[dst]) \n\t" 72 73 : [above_c] "=&r" (above_c), [above_l] "=&r" (above_l), 74 [above_r] "=&r" (above_r), [left_c] "=&r" (left_c), 75 [left_l] "=&r" (left_l), [left_r] "=&r" (left_r), 76 [average] "=&r" (average), [tmp] "=&r" (tmp), 77 [expected_dc] "=&r" (expected_dc) 78 : [above] "r" (above), [left] "r" (left), 79 [dst] "r" (dst), [stride] "r" (stride) 80 ); 81} 82 83void vpx_tm_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, 84 const uint8_t *above, const uint8_t *left) { 85 int32_t abovel, abover; 86 int32_t left0, left1, left2, left3; 87 int32_t res0, res1; 88 int32_t resl; 89 int32_t resr; 90 int32_t top_left; 91 uint8_t *cm = vpx_ff_cropTbl; 92 93 __asm__ __volatile__ ( 94 "ulw %[resl], (%[above]) \n\t" 95 96 "lbu %[left0], (%[left]) \n\t" 97 "lbu %[left1], 1(%[left]) \n\t" 98 "lbu %[left2], 2(%[left]) \n\t" 99 "lbu %[left3], 3(%[left]) \n\t" 100 101 "lbu %[top_left], -1(%[above]) \n\t" 102 103 "preceu.ph.qbl %[abovel], %[resl] \n\t" 104 "preceu.ph.qbr %[abover], %[resl] \n\t" 105 106 "replv.ph %[left0], %[left0] \n\t" 107 "replv.ph %[left1], %[left1] \n\t" 108 "replv.ph %[left2], %[left2] \n\t" 109 "replv.ph %[left3], %[left3] \n\t" 110 111 "replv.ph %[top_left], %[top_left] \n\t" 112 113 "addu.ph %[resl], %[abovel], %[left0] \n\t" 114 "subu.ph %[resl], %[resl], %[top_left] \n\t" 115 116 "addu.ph %[resr], %[abover], %[left0] \n\t" 117 "subu.ph %[resr], %[resr], %[top_left] \n\t" 118 119 "sll %[res0], %[resr], 16 \n\t" 120 "sra %[res0], %[res0], 16 \n\t" 121 "lbux %[res0], %[res0](%[cm]) \n\t" 122 123 "sra %[res1], %[resr], 16 \n\t" 124 "lbux %[res1], %[res1](%[cm]) \n\t" 125 "sb %[res0], (%[dst]) \n\t" 126 127 "sll %[res0], %[resl], 16 \n\t" 128 "sra %[res0], %[res0], 16 \n\t" 129 "lbux %[res0], %[res0](%[cm]) \n\t" 130 "sb %[res1], 1(%[dst]) \n\t" 131 132 "sra %[res1], %[resl], 16 \n\t" 133 "lbux %[res1], %[res1](%[cm]) \n\t" 134 135 "addu.ph %[resl], %[abovel], %[left1] \n\t" 136 "subu.ph %[resl], %[resl], %[top_left] \n\t" 137 138 "addu.ph %[resr], %[abover], %[left1] \n\t" 139 "subu.ph %[resr], %[resr], %[top_left] \n\t" 140 141 "sb %[res0], 2(%[dst]) \n\t" 142 "sb %[res1], 3(%[dst]) \n\t" 143 144 "add %[dst], %[dst], %[stride] \n\t" 145 146 "sll %[res0], %[resr], 16 \n\t" 147 "sra %[res0], %[res0], 16 \n\t" 148 "lbux %[res0], %[res0](%[cm]) \n\t" 149 150 "sra %[res1], %[resr], 16 \n\t" 151 "lbux %[res1], %[res1](%[cm]) \n\t" 152 "sb %[res0], (%[dst]) \n\t" 153 154 "sll %[res0], %[resl], 16 \n\t" 155 "sra %[res0], %[res0], 16 \n\t" 156 "lbux %[res0], %[res0](%[cm]) \n\t" 157 158 "sb %[res1], 1(%[dst]) \n\t" 159 "sra %[res1], %[resl], 16 \n\t" 160 "lbux %[res1], %[res1](%[cm]) \n\t" 161 162 "addu.ph %[resl], %[abovel], %[left2] \n\t" 163 "subu.ph %[resl], %[resl], %[top_left] \n\t" 164 165 "addu.ph %[resr], %[abover], %[left2] \n\t" 166 "subu.ph %[resr], %[resr], %[top_left] \n\t" 167 168 "sb %[res0], 2(%[dst]) \n\t" 169 "sb %[res1], 3(%[dst]) \n\t" 170 171 "add %[dst], %[dst], %[stride] \n\t" 172 173 "sll %[res0], %[resr], 16 \n\t" 174 "sra %[res0], %[res0], 16 \n\t" 175 "lbux %[res0], %[res0](%[cm]) \n\t" 176 177 178 "sra %[res1], %[resr], 16 \n\t" 179 "lbux %[res1], %[res1](%[cm]) \n\t" 180 "sb %[res0], (%[dst]) \n\t" 181 182 "sll %[res0], %[resl], 16 \n\t" 183 "sra %[res0], %[res0], 16 \n\t" 184 "lbux %[res0], %[res0](%[cm]) \n\t" 185 186 187 "sb %[res1], 1(%[dst]) \n\t" 188 "sra %[res1], %[resl], 16 \n\t" 189 "lbux %[res1], %[res1](%[cm]) \n\t" 190 191 "addu.ph %[resl], %[abovel], %[left3] \n\t" 192 "subu.ph %[resl], %[resl], %[top_left] \n\t" 193 194 "addu.ph %[resr], %[abover], %[left3] \n\t" 195 "subu.ph %[resr], %[resr], %[top_left] \n\t" 196 197 "sb %[res0], 2(%[dst]) \n\t" 198 "sb %[res1], 3(%[dst]) \n\t" 199 200 "add %[dst], %[dst], %[stride] \n\t" 201 202 "sll %[res0], %[resr], 16 \n\t" 203 "sra %[res0], %[res0], 16 \n\t" 204 "lbux %[res0], %[res0](%[cm]) \n\t" 205 206 "sra %[res1], %[resr], 16 \n\t" 207 "lbux %[res1], %[res1](%[cm]) \n\t" 208 "sb %[res0], (%[dst]) \n\t" 209 210 "sll %[res0], %[resl], 16 \n\t" 211 "sra %[res0], %[res0], 16 \n\t" 212 "lbux %[res0], %[res0](%[cm]) \n\t" 213 "sb %[res1], 1(%[dst]) \n\t" 214 215 "sra %[res1], %[resl], 16 \n\t" 216 "lbux %[res1], %[res1](%[cm]) \n\t" 217 218 "sb %[res0], 2(%[dst]) \n\t" 219 "sb %[res1], 3(%[dst]) \n\t" 220 221 : [abovel] "=&r" (abovel), [abover] "=&r" (abover), 222 [left0] "=&r" (left0), [left1] "=&r" (left1), [left2] "=&r" (left2), 223 [res0] "=&r" (res0), [res1] "=&r" (res1), [left3] "=&r" (left3), 224 [resl] "=&r" (resl), [resr] "=&r" (resr), [top_left] "=&r" (top_left) 225 : [above] "r" (above), [left] "r" (left), 226 [dst] "r" (dst), [stride] "r" (stride), [cm] "r" (cm) 227 ); 228} 229#endif // #if HAVE_DSPR2 230