1 /* 2 * Copyright (c) 2013 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 #include <stdlib.h> 11 12 #include "./vp9_rtcd.h" 13 #include "vp9/common/vp9_common.h" 14 #include "vp9/common/mips/dspr2/vp9_common_dspr2.h" 15 16 #if HAVE_DSPR2 17 void vp9_h_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, 18 const uint8_t *above, const uint8_t *left) { 19 int32_t tmp1, tmp2, tmp3, tmp4; 20 21 __asm__ __volatile__ ( 22 "lb %[tmp1], (%[left]) \n\t" 23 "lb %[tmp2], 1(%[left]) \n\t" 24 "lb %[tmp3], 2(%[left]) \n\t" 25 "lb %[tmp4], 3(%[left]) \n\t" 26 "replv.qb %[tmp1], %[tmp1] \n\t" 27 "replv.qb %[tmp2], %[tmp2] \n\t" 28 "replv.qb %[tmp3], %[tmp3] \n\t" 29 "replv.qb %[tmp4], %[tmp4] \n\t" 30 "sw %[tmp1], (%[dst]) \n\t" 31 "add %[dst], %[dst], %[stride] \n\t" 32 "sw %[tmp2], (%[dst]) \n\t" 33 "add %[dst], %[dst], %[stride] \n\t" 34 "sw %[tmp3], (%[dst]) \n\t" 35 "add %[dst], %[dst], %[stride] \n\t" 36 "sw %[tmp4], (%[dst]) \n\t" 37 38 : [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2), 39 [tmp3] "=&r" (tmp3), [tmp4] "=&r" (tmp4) 40 : [left] "r" (left), [dst] "r" (dst), [stride] "r" (stride) 41 ); 42 } 43 44 void vp9_dc_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, 45 const uint8_t *above, const uint8_t *left) { 46 int32_t expected_dc; 47 int32_t average; 48 int32_t tmp, above_c, above_l, above_r, left_c, left_r, left_l; 49 50 __asm__ __volatile__ ( 51 "lw %[above_c], (%[above]) \n\t" 52 "lw %[left_c], (%[left]) \n\t" 53 54 "preceu.ph.qbl %[above_l], %[above_c] \n\t" 55 "preceu.ph.qbr %[above_r], %[above_c] \n\t" 56 "preceu.ph.qbl %[left_l], %[left_c] \n\t" 57 "preceu.ph.qbr %[left_r], %[left_c] \n\t" 58 59 "addu.ph %[average], %[above_r], %[above_l] \n\t" 60 "addu.ph %[average], %[average], %[left_l] \n\t" 61 "addu.ph %[average], %[average], %[left_r] \n\t" 62 "addiu %[average], %[average], 4 \n\t" 63 "srl %[tmp], %[average], 16 \n\t" 64 "addu.ph %[average], %[tmp], %[average] \n\t" 65 "srl %[expected_dc], %[average], 3 \n\t" 66 "replv.qb %[expected_dc], %[expected_dc] \n\t" 67 68 "sw %[expected_dc], (%[dst]) \n\t" 69 "add %[dst], %[dst], %[stride] \n\t" 70 "sw %[expected_dc], (%[dst]) \n\t" 71 "add %[dst], %[dst], %[stride] \n\t" 72 "sw %[expected_dc], (%[dst]) \n\t" 73 "add %[dst], %[dst], %[stride] \n\t" 74 "sw %[expected_dc], (%[dst]) \n\t" 75 76 : [above_c] "=&r" (above_c), [above_l] "=&r" (above_l), 77 [above_r] "=&r" (above_r), [left_c] "=&r" (left_c), 78 [left_l] "=&r" (left_l), [left_r] "=&r" (left_r), 79 [average] "=&r" (average), [tmp] "=&r" (tmp), 80 [expected_dc] "=&r" (expected_dc) 81 : [above] "r" (above), [left] "r" (left), 82 [dst] "r" (dst), [stride] "r" (stride) 83 ); 84 } 85 86 void vp9_tm_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, 87 const uint8_t *above, const uint8_t *left) { 88 int32_t abovel, abover; 89 int32_t left0, left1, left2, left3; 90 int32_t res0, res1; 91 int32_t resl; 92 int32_t resr; 93 int32_t top_left; 94 uint8_t *cm = vp9_ff_cropTbl; 95 96 __asm__ __volatile__ ( 97 "ulw %[resl], (%[above]) \n\t" 98 99 "lbu %[left0], (%[left]) \n\t" 100 "lbu %[left1], 1(%[left]) \n\t" 101 "lbu %[left2], 2(%[left]) \n\t" 102 "lbu %[left3], 3(%[left]) \n\t" 103 104 "lbu %[top_left], -1(%[above]) \n\t" 105 106 "preceu.ph.qbl %[abovel], %[resl] \n\t" 107 "preceu.ph.qbr %[abover], %[resl] \n\t" 108 109 "replv.ph %[left0], %[left0] \n\t" 110 "replv.ph %[left1], %[left1] \n\t" 111 "replv.ph %[left2], %[left2] \n\t" 112 "replv.ph %[left3], %[left3] \n\t" 113 114 "replv.ph %[top_left], %[top_left] \n\t" 115 116 "addu.ph %[resl], %[abovel], %[left0] \n\t" 117 "subu.ph %[resl], %[resl], %[top_left] \n\t" 118 119 "addu.ph %[resr], %[abover], %[left0] \n\t" 120 "subu.ph %[resr], %[resr], %[top_left] \n\t" 121 122 "sll %[res0], %[resr], 16 \n\t" 123 "sra %[res0], %[res0], 16 \n\t" 124 "lbux %[res0], %[res0](%[cm]) \n\t" 125 126 "sra %[res1], %[resr], 16 \n\t" 127 "lbux %[res1], %[res1](%[cm]) \n\t" 128 "sb %[res0], (%[dst]) \n\t" 129 130 "sll %[res0], %[resl], 16 \n\t" 131 "sra %[res0], %[res0], 16 \n\t" 132 "lbux %[res0], %[res0](%[cm]) \n\t" 133 "sb %[res1], 1(%[dst]) \n\t" 134 135 "sra %[res1], %[resl], 16 \n\t" 136 "lbux %[res1], %[res1](%[cm]) \n\t" 137 138 "addu.ph %[resl], %[abovel], %[left1] \n\t" 139 "subu.ph %[resl], %[resl], %[top_left] \n\t" 140 141 "addu.ph %[resr], %[abover], %[left1] \n\t" 142 "subu.ph %[resr], %[resr], %[top_left] \n\t" 143 144 "sb %[res0], 2(%[dst]) \n\t" 145 "sb %[res1], 3(%[dst]) \n\t" 146 147 "add %[dst], %[dst], %[stride] \n\t" 148 149 "sll %[res0], %[resr], 16 \n\t" 150 "sra %[res0], %[res0], 16 \n\t" 151 "lbux %[res0], %[res0](%[cm]) \n\t" 152 153 "sra %[res1], %[resr], 16 \n\t" 154 "lbux %[res1], %[res1](%[cm]) \n\t" 155 "sb %[res0], (%[dst]) \n\t" 156 157 "sll %[res0], %[resl], 16 \n\t" 158 "sra %[res0], %[res0], 16 \n\t" 159 "lbux %[res0], %[res0](%[cm]) \n\t" 160 161 "sb %[res1], 1(%[dst]) \n\t" 162 "sra %[res1], %[resl], 16 \n\t" 163 "lbux %[res1], %[res1](%[cm]) \n\t" 164 165 "addu.ph %[resl], %[abovel], %[left2] \n\t" 166 "subu.ph %[resl], %[resl], %[top_left] \n\t" 167 168 "addu.ph %[resr], %[abover], %[left2] \n\t" 169 "subu.ph %[resr], %[resr], %[top_left] \n\t" 170 171 "sb %[res0], 2(%[dst]) \n\t" 172 "sb %[res1], 3(%[dst]) \n\t" 173 174 "add %[dst], %[dst], %[stride] \n\t" 175 176 "sll %[res0], %[resr], 16 \n\t" 177 "sra %[res0], %[res0], 16 \n\t" 178 "lbux %[res0], %[res0](%[cm]) \n\t" 179 180 181 "sra %[res1], %[resr], 16 \n\t" 182 "lbux %[res1], %[res1](%[cm]) \n\t" 183 "sb %[res0], (%[dst]) \n\t" 184 185 "sll %[res0], %[resl], 16 \n\t" 186 "sra %[res0], %[res0], 16 \n\t" 187 "lbux %[res0], %[res0](%[cm]) \n\t" 188 189 190 "sb %[res1], 1(%[dst]) \n\t" 191 "sra %[res1], %[resl], 16 \n\t" 192 "lbux %[res1], %[res1](%[cm]) \n\t" 193 194 "addu.ph %[resl], %[abovel], %[left3] \n\t" 195 "subu.ph %[resl], %[resl], %[top_left] \n\t" 196 197 "addu.ph %[resr], %[abover], %[left3] \n\t" 198 "subu.ph %[resr], %[resr], %[top_left] \n\t" 199 200 "sb %[res0], 2(%[dst]) \n\t" 201 "sb %[res1], 3(%[dst]) \n\t" 202 203 "add %[dst], %[dst], %[stride] \n\t" 204 205 "sll %[res0], %[resr], 16 \n\t" 206 "sra %[res0], %[res0], 16 \n\t" 207 "lbux %[res0], %[res0](%[cm]) \n\t" 208 209 "sra %[res1], %[resr], 16 \n\t" 210 "lbux %[res1], %[res1](%[cm]) \n\t" 211 "sb %[res0], (%[dst]) \n\t" 212 213 "sll %[res0], %[resl], 16 \n\t" 214 "sra %[res0], %[res0], 16 \n\t" 215 "lbux %[res0], %[res0](%[cm]) \n\t" 216 "sb %[res1], 1(%[dst]) \n\t" 217 218 "sra %[res1], %[resl], 16 \n\t" 219 "lbux %[res1], %[res1](%[cm]) \n\t" 220 221 "sb %[res0], 2(%[dst]) \n\t" 222 "sb %[res1], 3(%[dst]) \n\t" 223 224 : [abovel] "=&r" (abovel), [abover] "=&r" (abover), 225 [left0] "=&r" (left0), [left1] "=&r" (left1), [left2] "=&r" (left2), 226 [res0] "=&r" (res0), [res1] "=&r" (res1), [left3] "=&r" (left3), 227 [resl] "=&r" (resl), [resr] "=&r" (resr), [top_left] "=&r" (top_left) 228 : [above] "r" (above), [left] "r" (left), 229 [dst] "r" (dst), [stride] "r" (stride), [cm] "r" (cm) 230 ); 231 } 232 #endif // #if HAVE_DSPR2 233
