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 14 void 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 (void)above; 18 19 __asm__ __volatile__( 20 "lb %[tmp1], (%[left]) \n\t" 21 "lb %[tmp2], 1(%[left]) \n\t" 22 "lb %[tmp3], 2(%[left]) \n\t" 23 "lb %[tmp4], 3(%[left]) \n\t" 24 "replv.qb %[tmp1], %[tmp1] \n\t" 25 "replv.qb %[tmp2], %[tmp2] \n\t" 26 "replv.qb %[tmp3], %[tmp3] \n\t" 27 "replv.qb %[tmp4], %[tmp4] \n\t" 28 "sw %[tmp1], (%[dst]) \n\t" 29 "add %[dst], %[dst], %[stride] \n\t" 30 "sw %[tmp2], (%[dst]) \n\t" 31 "add %[dst], %[dst], %[stride] \n\t" 32 "sw %[tmp3], (%[dst]) \n\t" 33 "add %[dst], %[dst], %[stride] \n\t" 34 "sw %[tmp4], (%[dst]) \n\t" 35 36 : [tmp1] "=&r"(tmp1), [tmp2] "=&r"(tmp2), [tmp3] "=&r"(tmp3), 37 [tmp4] "=&r"(tmp4) 38 : [left] "r"(left), [dst] "r"(dst), [stride] "r"(stride)); 39 } 40 41 void 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), [dst] "r"(dst), 79 [stride] "r"(stride)); 80 } 81 82 void vpx_tm_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, 83 const uint8_t *above, const uint8_t *left) { 84 int32_t abovel, abover; 85 int32_t left0, left1, left2, left3; 86 int32_t res0, res1; 87 int32_t resl; 88 int32_t resr; 89 int32_t top_left; 90 uint8_t *cm = vpx_ff_cropTbl; 91 92 __asm__ __volatile__( 93 "ulw %[resl], (%[above]) \n\t" 94 95 "lbu %[left0], (%[left]) \n\t" 96 "lbu %[left1], 1(%[left]) \n\t" 97 "lbu %[left2], 2(%[left]) \n\t" 98 "lbu %[left3], 3(%[left]) \n\t" 99 100 "lbu %[top_left], -1(%[above]) \n\t" 101 102 "preceu.ph.qbl %[abovel], %[resl] \n\t" 103 "preceu.ph.qbr %[abover], %[resl] \n\t" 104 105 "replv.ph %[left0], %[left0] \n\t" 106 "replv.ph %[left1], %[left1] \n\t" 107 "replv.ph %[left2], %[left2] \n\t" 108 "replv.ph %[left3], %[left3] \n\t" 109 110 "replv.ph %[top_left], %[top_left] \n\t" 111 112 "addu.ph %[resl], %[abovel], %[left0] \n\t" 113 "subu.ph %[resl], %[resl], %[top_left] \n\t" 114 115 "addu.ph %[resr], %[abover], %[left0] \n\t" 116 "subu.ph %[resr], %[resr], %[top_left] \n\t" 117 118 "sll %[res0], %[resr], 16 \n\t" 119 "sra %[res0], %[res0], 16 \n\t" 120 "lbux %[res0], %[res0](%[cm]) \n\t" 121 122 "sra %[res1], %[resr], 16 \n\t" 123 "lbux %[res1], %[res1](%[cm]) \n\t" 124 "sb %[res0], (%[dst]) \n\t" 125 126 "sll %[res0], %[resl], 16 \n\t" 127 "sra %[res0], %[res0], 16 \n\t" 128 "lbux %[res0], %[res0](%[cm]) \n\t" 129 "sb %[res1], 1(%[dst]) \n\t" 130 131 "sra %[res1], %[resl], 16 \n\t" 132 "lbux %[res1], %[res1](%[cm]) \n\t" 133 134 "addu.ph %[resl], %[abovel], %[left1] \n\t" 135 "subu.ph %[resl], %[resl], %[top_left] \n\t" 136 137 "addu.ph %[resr], %[abover], %[left1] \n\t" 138 "subu.ph %[resr], %[resr], %[top_left] \n\t" 139 140 "sb %[res0], 2(%[dst]) \n\t" 141 "sb %[res1], 3(%[dst]) \n\t" 142 143 "add %[dst], %[dst], %[stride] \n\t" 144 145 "sll %[res0], %[resr], 16 \n\t" 146 "sra %[res0], %[res0], 16 \n\t" 147 "lbux %[res0], %[res0](%[cm]) \n\t" 148 149 "sra %[res1], %[resr], 16 \n\t" 150 "lbux %[res1], %[res1](%[cm]) \n\t" 151 "sb %[res0], (%[dst]) \n\t" 152 153 "sll %[res0], %[resl], 16 \n\t" 154 "sra %[res0], %[res0], 16 \n\t" 155 "lbux %[res0], %[res0](%[cm]) \n\t" 156 157 "sb %[res1], 1(%[dst]) \n\t" 158 "sra %[res1], %[resl], 16 \n\t" 159 "lbux %[res1], %[res1](%[cm]) \n\t" 160 161 "addu.ph %[resl], %[abovel], %[left2] \n\t" 162 "subu.ph %[resl], %[resl], %[top_left] \n\t" 163 164 "addu.ph %[resr], %[abover], %[left2] \n\t" 165 "subu.ph %[resr], %[resr], %[top_left] \n\t" 166 167 "sb %[res0], 2(%[dst]) \n\t" 168 "sb %[res1], 3(%[dst]) \n\t" 169 170 "add %[dst], %[dst], %[stride] \n\t" 171 172 "sll %[res0], %[resr], 16 \n\t" 173 "sra %[res0], %[res0], 16 \n\t" 174 "lbux %[res0], %[res0](%[cm]) \n\t" 175 176 "sra %[res1], %[resr], 16 \n\t" 177 "lbux %[res1], %[res1](%[cm]) \n\t" 178 "sb %[res0], (%[dst]) \n\t" 179 180 "sll %[res0], %[resl], 16 \n\t" 181 "sra %[res0], %[res0], 16 \n\t" 182 "lbux %[res0], %[res0](%[cm]) \n\t" 183 184 "sb %[res1], 1(%[dst]) \n\t" 185 "sra %[res1], %[resl], 16 \n\t" 186 "lbux %[res1], %[res1](%[cm]) \n\t" 187 188 "addu.ph %[resl], %[abovel], %[left3] \n\t" 189 "subu.ph %[resl], %[resl], %[top_left] \n\t" 190 191 "addu.ph %[resr], %[abover], %[left3] \n\t" 192 "subu.ph %[resr], %[resr], %[top_left] \n\t" 193 194 "sb %[res0], 2(%[dst]) \n\t" 195 "sb %[res1], 3(%[dst]) \n\t" 196 197 "add %[dst], %[dst], %[stride] \n\t" 198 199 "sll %[res0], %[resr], 16 \n\t" 200 "sra %[res0], %[res0], 16 \n\t" 201 "lbux %[res0], %[res0](%[cm]) \n\t" 202 203 "sra %[res1], %[resr], 16 \n\t" 204 "lbux %[res1], %[res1](%[cm]) \n\t" 205 "sb %[res0], (%[dst]) \n\t" 206 207 "sll %[res0], %[resl], 16 \n\t" 208 "sra %[res0], %[res0], 16 \n\t" 209 "lbux %[res0], %[res0](%[cm]) \n\t" 210 "sb %[res1], 1(%[dst]) \n\t" 211 212 "sra %[res1], %[resl], 16 \n\t" 213 "lbux %[res1], %[res1](%[cm]) \n\t" 214 215 "sb %[res0], 2(%[dst]) \n\t" 216 "sb %[res1], 3(%[dst]) \n\t" 217 218 : [abovel] "=&r"(abovel), [abover] "=&r"(abover), [left0] "=&r"(left0), 219 [left1] "=&r"(left1), [left2] "=&r"(left2), [res0] "=&r"(res0), 220 [res1] "=&r"(res1), [left3] "=&r"(left3), [resl] "=&r"(resl), 221 [resr] "=&r"(resr), [top_left] "=&r"(top_left) 222 : [above] "r"(above), [left] "r"(left), [dst] "r"(dst), 223 [stride] "r"(stride), [cm] "r"(cm)); 224 } 225 #endif // #if HAVE_DSPR2 226
