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 11 #include <assert.h> 12 #include <stdio.h> 13 14 #include "./vpx_dsp_rtcd.h" 15 #include "vpx_dsp/mips/convolve_common_dspr2.h" 16 #include "vpx_dsp/vpx_dsp_common.h" 17 #include "vpx_dsp/vpx_filter.h" 18 #include "vpx_ports/mem.h" 19 20 #if HAVE_DSPR2 21 static void convolve_vert_4_dspr2(const uint8_t *src, int32_t src_stride, 22 uint8_t *dst, int32_t dst_stride, 23 const int16_t *filter_y, int32_t w, 24 int32_t h) { 25 int32_t x, y; 26 const uint8_t *src_ptr; 27 uint8_t *dst_ptr; 28 uint8_t *cm = vpx_ff_cropTbl; 29 uint32_t vector4a = 64; 30 uint32_t load1, load2, load3, load4; 31 uint32_t p1, p2; 32 uint32_t n1, n2; 33 uint32_t scratch1, scratch2; 34 uint32_t store1, store2; 35 int32_t vector1b, vector2b, vector3b, vector4b; 36 int32_t Temp1, Temp2; 37 38 vector1b = ((const int32_t *)filter_y)[0]; 39 vector2b = ((const int32_t *)filter_y)[1]; 40 vector3b = ((const int32_t *)filter_y)[2]; 41 vector4b = ((const int32_t *)filter_y)[3]; 42 43 src -= 3 * src_stride; 44 45 for (y = h; y--;) { 46 /* prefetch data to cache memory */ 47 prefetch_store(dst + dst_stride); 48 49 for (x = 0; x < w; x += 4) { 50 src_ptr = src + x; 51 dst_ptr = dst + x; 52 53 __asm__ __volatile__( 54 "ulw %[load1], 0(%[src_ptr]) \n\t" 55 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 56 "ulw %[load2], 0(%[src_ptr]) \n\t" 57 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 58 "ulw %[load3], 0(%[src_ptr]) \n\t" 59 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 60 "ulw %[load4], 0(%[src_ptr]) \n\t" 61 62 "mtlo %[vector4a], $ac0 \n\t" 63 "mtlo %[vector4a], $ac1 \n\t" 64 "mtlo %[vector4a], $ac2 \n\t" 65 "mtlo %[vector4a], $ac3 \n\t" 66 "mthi $zero, $ac0 \n\t" 67 "mthi $zero, $ac1 \n\t" 68 "mthi $zero, $ac2 \n\t" 69 "mthi $zero, $ac3 \n\t" 70 71 "preceu.ph.qbr %[scratch1], %[load1] \n\t" 72 "preceu.ph.qbr %[p1], %[load2] \n\t" 73 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ 74 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 75 "preceu.ph.qbr %[scratch2], %[load3] \n\t" 76 "preceu.ph.qbr %[p2], %[load4] \n\t" 77 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ 78 "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ 79 80 "dpa.w.ph $ac0, %[p1], %[vector1b] \n\t" 81 "dpa.w.ph $ac0, %[p2], %[vector2b] \n\t" 82 "dpa.w.ph $ac1, %[n1], %[vector1b] \n\t" 83 "dpa.w.ph $ac1, %[n2], %[vector2b] \n\t" 84 85 "preceu.ph.qbl %[scratch1], %[load1] \n\t" 86 "preceu.ph.qbl %[p1], %[load2] \n\t" 87 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ 88 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 89 "preceu.ph.qbl %[scratch2], %[load3] \n\t" 90 "preceu.ph.qbl %[p2], %[load4] \n\t" 91 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ 92 "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ 93 94 "dpa.w.ph $ac2, %[p1], %[vector1b] \n\t" 95 "dpa.w.ph $ac2, %[p2], %[vector2b] \n\t" 96 "dpa.w.ph $ac3, %[n1], %[vector1b] \n\t" 97 "dpa.w.ph $ac3, %[n2], %[vector2b] \n\t" 98 99 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 100 "ulw %[load1], 0(%[src_ptr]) \n\t" 101 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 102 "ulw %[load2], 0(%[src_ptr]) \n\t" 103 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 104 "ulw %[load3], 0(%[src_ptr]) \n\t" 105 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 106 "ulw %[load4], 0(%[src_ptr]) \n\t" 107 108 "preceu.ph.qbr %[scratch1], %[load1] \n\t" 109 "preceu.ph.qbr %[p1], %[load2] \n\t" 110 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ 111 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 112 "preceu.ph.qbr %[scratch2], %[load3] \n\t" 113 "preceu.ph.qbr %[p2], %[load4] \n\t" 114 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ 115 "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ 116 117 "dpa.w.ph $ac0, %[p1], %[vector3b] \n\t" 118 "dpa.w.ph $ac0, %[p2], %[vector4b] \n\t" 119 "extp %[Temp1], $ac0, 31 \n\t" 120 "dpa.w.ph $ac1, %[n1], %[vector3b] \n\t" 121 "dpa.w.ph $ac1, %[n2], %[vector4b] \n\t" 122 "extp %[Temp2], $ac1, 31 \n\t" 123 124 "preceu.ph.qbl %[scratch1], %[load1] \n\t" 125 "preceu.ph.qbl %[p1], %[load2] \n\t" 126 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ 127 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 128 "preceu.ph.qbl %[scratch2], %[load3] \n\t" 129 "preceu.ph.qbl %[p2], %[load4] \n\t" 130 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ 131 "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ 132 133 "lbux %[store1], %[Temp1](%[cm]) \n\t" 134 "dpa.w.ph $ac2, %[p1], %[vector3b] \n\t" 135 "dpa.w.ph $ac2, %[p2], %[vector4b] \n\t" 136 "extp %[Temp1], $ac2, 31 \n\t" 137 138 "lbux %[store2], %[Temp2](%[cm]) \n\t" 139 "dpa.w.ph $ac3, %[n1], %[vector3b] \n\t" 140 "dpa.w.ph $ac3, %[n2], %[vector4b] \n\t" 141 "extp %[Temp2], $ac3, 31 \n\t" 142 143 "sb %[store1], 0(%[dst_ptr]) \n\t" 144 "sb %[store2], 1(%[dst_ptr]) \n\t" 145 146 "lbux %[store1], %[Temp1](%[cm]) \n\t" 147 "lbux %[store2], %[Temp2](%[cm]) \n\t" 148 149 "sb %[store1], 2(%[dst_ptr]) \n\t" 150 "sb %[store2], 3(%[dst_ptr]) \n\t" 151 152 : [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3), 153 [load4] "=&r"(load4), [p1] "=&r"(p1), [p2] "=&r"(p2), 154 [n1] "=&r"(n1), [n2] "=&r"(n2), [scratch1] "=&r"(scratch1), 155 [scratch2] "=&r"(scratch2), [Temp1] "=&r"(Temp1), 156 [Temp2] "=&r"(Temp2), [store1] "=&r"(store1), 157 [store2] "=&r"(store2), [src_ptr] "+r"(src_ptr) 158 : [vector1b] "r"(vector1b), [vector2b] "r"(vector2b), 159 [vector3b] "r"(vector3b), [vector4b] "r"(vector4b), 160 [vector4a] "r"(vector4a), [src_stride] "r"(src_stride), 161 [cm] "r"(cm), [dst_ptr] "r"(dst_ptr)); 162 } 163 164 /* Next row... */ 165 src += src_stride; 166 dst += dst_stride; 167 } 168 } 169 170 static void convolve_vert_64_dspr2(const uint8_t *src, int32_t src_stride, 171 uint8_t *dst, int32_t dst_stride, 172 const int16_t *filter_y, int32_t h) { 173 int32_t x, y; 174 const uint8_t *src_ptr; 175 uint8_t *dst_ptr; 176 uint8_t *cm = vpx_ff_cropTbl; 177 uint32_t vector4a = 64; 178 uint32_t load1, load2, load3, load4; 179 uint32_t p1, p2; 180 uint32_t n1, n2; 181 uint32_t scratch1, scratch2; 182 uint32_t store1, store2; 183 int32_t vector1b, vector2b, vector3b, vector4b; 184 int32_t Temp1, Temp2; 185 186 vector1b = ((const int32_t *)filter_y)[0]; 187 vector2b = ((const int32_t *)filter_y)[1]; 188 vector3b = ((const int32_t *)filter_y)[2]; 189 vector4b = ((const int32_t *)filter_y)[3]; 190 191 src -= 3 * src_stride; 192 193 for (y = h; y--;) { 194 /* prefetch data to cache memory */ 195 prefetch_store(dst + dst_stride); 196 prefetch_store(dst + dst_stride + 32); 197 198 for (x = 0; x < 64; x += 4) { 199 src_ptr = src + x; 200 dst_ptr = dst + x; 201 202 __asm__ __volatile__( 203 "ulw %[load1], 0(%[src_ptr]) \n\t" 204 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 205 "ulw %[load2], 0(%[src_ptr]) \n\t" 206 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 207 "ulw %[load3], 0(%[src_ptr]) \n\t" 208 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 209 "ulw %[load4], 0(%[src_ptr]) \n\t" 210 211 "mtlo %[vector4a], $ac0 \n\t" 212 "mtlo %[vector4a], $ac1 \n\t" 213 "mtlo %[vector4a], $ac2 \n\t" 214 "mtlo %[vector4a], $ac3 \n\t" 215 "mthi $zero, $ac0 \n\t" 216 "mthi $zero, $ac1 \n\t" 217 "mthi $zero, $ac2 \n\t" 218 "mthi $zero, $ac3 \n\t" 219 220 "preceu.ph.qbr %[scratch1], %[load1] \n\t" 221 "preceu.ph.qbr %[p1], %[load2] \n\t" 222 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ 223 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 224 "preceu.ph.qbr %[scratch2], %[load3] \n\t" 225 "preceu.ph.qbr %[p2], %[load4] \n\t" 226 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ 227 "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ 228 229 "dpa.w.ph $ac0, %[p1], %[vector1b] \n\t" 230 "dpa.w.ph $ac0, %[p2], %[vector2b] \n\t" 231 "dpa.w.ph $ac1, %[n1], %[vector1b] \n\t" 232 "dpa.w.ph $ac1, %[n2], %[vector2b] \n\t" 233 234 "preceu.ph.qbl %[scratch1], %[load1] \n\t" 235 "preceu.ph.qbl %[p1], %[load2] \n\t" 236 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ 237 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 238 "preceu.ph.qbl %[scratch2], %[load3] \n\t" 239 "preceu.ph.qbl %[p2], %[load4] \n\t" 240 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ 241 "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ 242 243 "dpa.w.ph $ac2, %[p1], %[vector1b] \n\t" 244 "dpa.w.ph $ac2, %[p2], %[vector2b] \n\t" 245 "dpa.w.ph $ac3, %[n1], %[vector1b] \n\t" 246 "dpa.w.ph $ac3, %[n2], %[vector2b] \n\t" 247 248 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 249 "ulw %[load1], 0(%[src_ptr]) \n\t" 250 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 251 "ulw %[load2], 0(%[src_ptr]) \n\t" 252 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 253 "ulw %[load3], 0(%[src_ptr]) \n\t" 254 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" 255 "ulw %[load4], 0(%[src_ptr]) \n\t" 256 257 "preceu.ph.qbr %[scratch1], %[load1] \n\t" 258 "preceu.ph.qbr %[p1], %[load2] \n\t" 259 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ 260 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 261 "preceu.ph.qbr %[scratch2], %[load3] \n\t" 262 "preceu.ph.qbr %[p2], %[load4] \n\t" 263 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ 264 "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ 265 266 "dpa.w.ph $ac0, %[p1], %[vector3b] \n\t" 267 "dpa.w.ph $ac0, %[p2], %[vector4b] \n\t" 268 "extp %[Temp1], $ac0, 31 \n\t" 269 "dpa.w.ph $ac1, %[n1], %[vector3b] \n\t" 270 "dpa.w.ph $ac1, %[n2], %[vector4b] \n\t" 271 "extp %[Temp2], $ac1, 31 \n\t" 272 273 "preceu.ph.qbl %[scratch1], %[load1] \n\t" 274 "preceu.ph.qbl %[p1], %[load2] \n\t" 275 "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ 276 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ 277 "preceu.ph.qbl %[scratch2], %[load3] \n\t" 278 "preceu.ph.qbl %[p2], %[load4] \n\t" 279 "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ 280 "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ 281 282 "lbux %[store1], %[Temp1](%[cm]) \n\t" 283 "dpa.w.ph $ac2, %[p1], %[vector3b] \n\t" 284 "dpa.w.ph $ac2, %[p2], %[vector4b] \n\t" 285 "extp %[Temp1], $ac2, 31 \n\t" 286 287 "lbux %[store2], %[Temp2](%[cm]) \n\t" 288 "dpa.w.ph $ac3, %[n1], %[vector3b] \n\t" 289 "dpa.w.ph $ac3, %[n2], %[vector4b] \n\t" 290 "extp %[Temp2], $ac3, 31 \n\t" 291 292 "sb %[store1], 0(%[dst_ptr]) \n\t" 293 "sb %[store2], 1(%[dst_ptr]) \n\t" 294 295 "lbux %[store1], %[Temp1](%[cm]) \n\t" 296 "lbux %[store2], %[Temp2](%[cm]) \n\t" 297 298 "sb %[store1], 2(%[dst_ptr]) \n\t" 299 "sb %[store2], 3(%[dst_ptr]) \n\t" 300 301 : [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3), 302 [load4] "=&r"(load4), [p1] "=&r"(p1), [p2] "=&r"(p2), 303 [n1] "=&r"(n1), [n2] "=&r"(n2), [scratch1] "=&r"(scratch1), 304 [scratch2] "=&r"(scratch2), [Temp1] "=&r"(Temp1), 305 [Temp2] "=&r"(Temp2), [store1] "=&r"(store1), 306 [store2] "=&r"(store2), [src_ptr] "+r"(src_ptr) 307 : [vector1b] "r"(vector1b), [vector2b] "r"(vector2b), 308 [vector3b] "r"(vector3b), [vector4b] "r"(vector4b), 309 [vector4a] "r"(vector4a), [src_stride] "r"(src_stride), 310 [cm] "r"(cm), [dst_ptr] "r"(dst_ptr)); 311 } 312 313 /* Next row... */ 314 src += src_stride; 315 dst += dst_stride; 316 } 317 } 318 319 void vpx_convolve8_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride, 320 uint8_t *dst, ptrdiff_t dst_stride, 321 const InterpKernel *filter, int x0_q4, 322 int x_step_q4, int y0_q4, int y_step_q4, int w, 323 int h) { 324 const int16_t *const filter_y = filter[y0_q4]; 325 assert(y_step_q4 == 16); 326 assert(((const int32_t *)filter_y)[1] != 0x800000); 327 328 if (((const int32_t *)filter_y)[0] == 0) { 329 vpx_convolve2_vert_dspr2(src, src_stride, dst, dst_stride, filter, x0_q4, 330 x_step_q4, y0_q4, y_step_q4, w, h); 331 } else { 332 uint32_t pos = 38; 333 334 /* bit positon for extract from acc */ 335 __asm__ __volatile__("wrdsp %[pos], 1 \n\t" 336 : 337 : [pos] "r"(pos)); 338 339 prefetch_store(dst); 340 341 switch (w) { 342 case 4: 343 case 8: 344 case 16: 345 case 32: 346 convolve_vert_4_dspr2(src, src_stride, dst, dst_stride, filter_y, w, h); 347 break; 348 case 64: 349 prefetch_store(dst + 32); 350 convolve_vert_64_dspr2(src, src_stride, dst, dst_stride, filter_y, h); 351 break; 352 default: 353 vpx_convolve8_vert_c(src, src_stride, dst, dst_stride, filter, x0_q4, 354 x_step_q4, y0_q4, y_step_q4, w, h); 355 break; 356 } 357 } 358 } 359 360 #endif 361
