| 1 | /* |
| 2 | * Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | /* |
| 19 | * This example tests the HVX scatter/gather instructions |
| 20 | * |
| 21 | * See section 5.13 of the V68 HVX Programmer's Reference |
| 22 | * |
| 23 | * There are 3 main classes operations |
| 24 | * _16 16-bit elements and 16-bit offsets |
| 25 | * _32 32-bit elements and 32-bit offsets |
| 26 | * _16_32 16-bit elements and 32-bit offsets |
| 27 | * |
| 28 | * There are also masked and accumulate versions |
| 29 | */ |
| 30 | |
| 31 | #include <stdio.h> |
| 32 | #include <string.h> |
| 33 | #include <stdlib.h> |
| 34 | #include <inttypes.h> |
| 35 | |
| 36 | typedef long HVX_Vector __attribute__((__vector_size__(128))) |
| 37 | __attribute__((aligned(128))); |
| 38 | typedef long HVX_VectorPair __attribute__((__vector_size__(256))) |
| 39 | __attribute__((aligned(128))); |
| 40 | typedef long HVX_VectorPred __attribute__((__vector_size__(128))) |
| 41 | __attribute__((aligned(128))); |
| 42 | |
| 43 | int err; |
| 44 | |
| 45 | /* define the number of rows/cols in a square matrix */ |
| 46 | #define MATRIX_SIZE 64 |
| 47 | |
| 48 | /* define the size of the scatter buffer */ |
| 49 | #define SCATTER_BUFFER_SIZE (MATRIX_SIZE * MATRIX_SIZE) |
| 50 | |
| 51 | /* fake vtcm - put buffers together and force alignment */ |
| 52 | static struct { |
| 53 | unsigned short vscatter16[SCATTER_BUFFER_SIZE]; |
| 54 | unsigned short vgather16[MATRIX_SIZE]; |
| 55 | unsigned int vscatter32[SCATTER_BUFFER_SIZE]; |
| 56 | unsigned int vgather32[MATRIX_SIZE]; |
| 57 | unsigned short vscatter16_32[SCATTER_BUFFER_SIZE]; |
| 58 | unsigned short vgather16_32[MATRIX_SIZE]; |
| 59 | } vtcm __attribute__((aligned(0x10000))); |
| 60 | |
| 61 | /* declare the arrays of reference values */ |
| 62 | unsigned short vscatter16_ref[SCATTER_BUFFER_SIZE]; |
| 63 | unsigned short vgather16_ref[MATRIX_SIZE]; |
| 64 | unsigned int vscatter32_ref[SCATTER_BUFFER_SIZE]; |
| 65 | unsigned int vgather32_ref[MATRIX_SIZE]; |
| 66 | unsigned short vscatter16_32_ref[SCATTER_BUFFER_SIZE]; |
| 67 | unsigned short vgather16_32_ref[MATRIX_SIZE]; |
| 68 | |
| 69 | /* declare the arrays of offsets */ |
| 70 | unsigned short half_offsets[MATRIX_SIZE] __attribute__((aligned(128))); |
| 71 | unsigned int word_offsets[MATRIX_SIZE] __attribute__((aligned(128))); |
| 72 | |
| 73 | /* declare the arrays of values */ |
| 74 | unsigned short half_values[MATRIX_SIZE] __attribute__((aligned(128))); |
| 75 | unsigned short half_values_acc[MATRIX_SIZE] __attribute__((aligned(128))); |
| 76 | unsigned short half_values_masked[MATRIX_SIZE] __attribute__((aligned(128))); |
| 77 | unsigned int word_values[MATRIX_SIZE] __attribute__((aligned(128))); |
| 78 | unsigned int word_values_acc[MATRIX_SIZE] __attribute__((aligned(128))); |
| 79 | unsigned int word_values_masked[MATRIX_SIZE] __attribute__((aligned(128))); |
| 80 | |
| 81 | /* declare the arrays of predicates */ |
| 82 | unsigned short half_predicates[MATRIX_SIZE] __attribute__((aligned(128))); |
| 83 | unsigned int word_predicates[MATRIX_SIZE] __attribute__((aligned(128))); |
| 84 | |
| 85 | /* make this big enough for all the operations */ |
| 86 | const size_t region_len = sizeof(vtcm); |
| 87 | |
| 88 | /* optionally add sync instructions */ |
| 89 | #define SYNC_VECTOR 1 |
| 90 | |
| 91 | static void sync_scatter(void *addr) |
| 92 | { |
| 93 | #if SYNC_VECTOR |
| 94 | /* |
| 95 | * Do the scatter release followed by a dummy load to complete the |
| 96 | * synchronization. Normally the dummy load would be deferred as |
| 97 | * long as possible to minimize stalls. |
| 98 | */ |
| 99 | asm volatile("vmem(%0 + #0):scatter_release\n" : : "r"(addr)); |
| 100 | /* use volatile to force the load */ |
| 101 | volatile HVX_Vector vDummy = *(HVX_Vector *)addr; vDummy = vDummy; |
| 102 | #endif |
| 103 | } |
| 104 | |
| 105 | static void sync_gather(void *addr) |
| 106 | { |
| 107 | #if SYNC_VECTOR |
| 108 | /* use volatile to force the load */ |
| 109 | volatile HVX_Vector vDummy = *(HVX_Vector *)addr; vDummy = vDummy; |
| 110 | #endif |
| 111 | } |
| 112 | |
| 113 | /* optionally print the results */ |
| 114 | #define PRINT_DATA 0 |
| 115 | |
| 116 | #define FILL_CHAR '.' |
| 117 | |
| 118 | /* fill vtcm scratch with ee */ |
| 119 | void prefill_vtcm_scratch(void) |
| 120 | { |
| 121 | memset(&vtcm, FILL_CHAR, sizeof(vtcm)); |
| 122 | } |
| 123 | |
| 124 | /* create byte offsets to be a diagonal of the matrix with 16 bit elements */ |
| 125 | void create_offsets_values_preds_16(void) |
| 126 | { |
| 127 | unsigned short half_element = 0; |
| 128 | unsigned short half_element_masked = 0; |
| 129 | char letter = 'A'; |
| 130 | char letter_masked = '@'; |
| 131 | |
| 132 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 133 | half_offsets[i] = i * (2 * MATRIX_SIZE + 2); |
| 134 | |
| 135 | half_element = 0; |
| 136 | half_element_masked = 0; |
| 137 | for (int j = 0; j < 2; j++) { |
| 138 | half_element |= letter << j * 8; |
| 139 | half_element_masked |= letter_masked << j * 8; |
| 140 | } |
| 141 | |
| 142 | half_values[i] = half_element; |
| 143 | half_values_acc[i] = ((i % 10) << 8) + (i % 10); |
| 144 | half_values_masked[i] = half_element_masked; |
| 145 | |
| 146 | letter++; |
| 147 | /* reset to 'A' */ |
| 148 | if (letter == 'M') { |
| 149 | letter = 'A'; |
| 150 | } |
| 151 | |
| 152 | half_predicates[i] = (i % 3 == 0 || i % 5 == 0) ? ~0 : 0; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | /* create byte offsets to be a diagonal of the matrix with 32 bit elements */ |
| 157 | void create_offsets_values_preds_32(void) |
| 158 | { |
| 159 | unsigned int word_element = 0; |
| 160 | unsigned int word_element_masked = 0; |
| 161 | char letter = 'A'; |
| 162 | char letter_masked = '&'; |
| 163 | |
| 164 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 165 | word_offsets[i] = i * (4 * MATRIX_SIZE + 4); |
| 166 | |
| 167 | word_element = 0; |
| 168 | word_element_masked = 0; |
| 169 | for (int j = 0; j < 4; j++) { |
| 170 | word_element |= letter << j * 8; |
| 171 | word_element_masked |= letter_masked << j * 8; |
| 172 | } |
| 173 | |
| 174 | word_values[i] = word_element; |
| 175 | word_values_acc[i] = ((i % 10) << 8) + (i % 10); |
| 176 | word_values_masked[i] = word_element_masked; |
| 177 | |
| 178 | letter++; |
| 179 | /* reset to 'A' */ |
| 180 | if (letter == 'M') { |
| 181 | letter = 'A'; |
| 182 | } |
| 183 | |
| 184 | word_predicates[i] = (i % 4 == 0 || i % 7 == 0) ? ~0 : 0; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | /* |
| 189 | * create byte offsets to be a diagonal of the matrix with 16 bit elements |
| 190 | * and 32 bit offsets |
| 191 | */ |
| 192 | void create_offsets_values_preds_16_32(void) |
| 193 | { |
| 194 | unsigned short half_element = 0; |
| 195 | unsigned short half_element_masked = 0; |
| 196 | char letter = 'D'; |
| 197 | char letter_masked = '$'; |
| 198 | |
| 199 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 200 | word_offsets[i] = i * (2 * MATRIX_SIZE + 2); |
| 201 | |
| 202 | half_element = 0; |
| 203 | half_element_masked = 0; |
| 204 | for (int j = 0; j < 2; j++) { |
| 205 | half_element |= letter << j * 8; |
| 206 | half_element_masked |= letter_masked << j * 8; |
| 207 | } |
| 208 | |
| 209 | half_values[i] = half_element; |
| 210 | half_values_acc[i] = ((i % 10) << 8) + (i % 10); |
| 211 | half_values_masked[i] = half_element_masked; |
| 212 | |
| 213 | letter++; |
| 214 | /* reset to 'A' */ |
| 215 | if (letter == 'P') { |
| 216 | letter = 'D'; |
| 217 | } |
| 218 | |
| 219 | half_predicates[i] = (i % 2 == 0 || i % 13 == 0) ? ~0 : 0; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | /* scatter the 16 bit elements using HVX */ |
| 224 | void vector_scatter_16(void) |
| 225 | { |
| 226 | asm ("m0 = %1\n\t" |
| 227 | "v0 = vmem(%2 + #0)\n\t" |
| 228 | "v1 = vmem(%3 + #0)\n\t" |
| 229 | "vscatter(%0, m0, v0.h).h = v1\n\t" |
| 230 | : : "r"(vtcm.vscatter16), "r"(region_len), |
| 231 | "r"(half_offsets), "r"(half_values) |
| 232 | : "m0", "v0", "v1", "memory"); |
| 233 | |
| 234 | sync_scatter(vtcm.vscatter16); |
| 235 | } |
| 236 | |
| 237 | /* scatter-accumulate the 16 bit elements using HVX */ |
| 238 | void vector_scatter_16_acc(void) |
| 239 | { |
| 240 | asm ("m0 = %1\n\t" |
| 241 | "v0 = vmem(%2 + #0)\n\t" |
| 242 | "v1 = vmem(%3 + #0)\n\t" |
| 243 | "vscatter(%0, m0, v0.h).h += v1\n\t" |
| 244 | : : "r"(vtcm.vscatter16), "r"(region_len), |
| 245 | "r"(half_offsets), "r"(half_values_acc) |
| 246 | : "m0", "v0", "v1", "memory"); |
| 247 | |
| 248 | sync_scatter(vtcm.vscatter16); |
| 249 | } |
| 250 | |
| 251 | /* masked scatter the 16 bit elements using HVX */ |
| 252 | void vector_scatter_16_masked(void) |
| 253 | { |
| 254 | asm ("r1 = #-1\n\t" |
| 255 | "v0 = vmem(%0 + #0)\n\t" |
| 256 | "q0 = vand(v0, r1)\n\t" |
| 257 | "m0 = %2\n\t" |
| 258 | "v0 = vmem(%3 + #0)\n\t" |
| 259 | "v1 = vmem(%4 + #0)\n\t" |
| 260 | "if (q0) vscatter(%1, m0, v0.h).h = v1\n\t" |
| 261 | : : "r"(half_predicates), "r"(vtcm.vscatter16), "r"(region_len), |
| 262 | "r"(half_offsets), "r"(half_values_masked) |
| 263 | : "r1", "q0", "m0", "q0", "v0", "v1", "memory"); |
| 264 | |
| 265 | sync_scatter(vtcm.vscatter16); |
| 266 | } |
| 267 | |
| 268 | /* scatter the 32 bit elements using HVX */ |
| 269 | void vector_scatter_32(void) |
| 270 | { |
| 271 | HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; |
| 272 | HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; |
| 273 | HVX_Vector *valueslo = (HVX_Vector *)word_values; |
| 274 | HVX_Vector *valueshi = (HVX_Vector *)&word_values[MATRIX_SIZE / 2]; |
| 275 | |
| 276 | asm ("m0 = %1\n\t" |
| 277 | "v0 = vmem(%2 + #0)\n\t" |
| 278 | "v1 = vmem(%3 + #0)\n\t" |
| 279 | "vscatter(%0, m0, v0.w).w = v1\n\t" |
| 280 | : : "r"(vtcm.vscatter32), "r"(region_len), |
| 281 | "r"(offsetslo), "r"(valueslo) |
| 282 | : "m0", "v0", "v1", "memory"); |
| 283 | asm ("m0 = %1\n\t" |
| 284 | "v0 = vmem(%2 + #0)\n\t" |
| 285 | "v1 = vmem(%3 + #0)\n\t" |
| 286 | "vscatter(%0, m0, v0.w).w = v1\n\t" |
| 287 | : : "r"(vtcm.vscatter32), "r"(region_len), |
| 288 | "r"(offsetshi), "r"(valueshi) |
| 289 | : "m0", "v0", "v1", "memory"); |
| 290 | |
| 291 | sync_scatter(vtcm.vscatter32); |
| 292 | } |
| 293 | |
| 294 | /* scatter-accumulate the 32 bit elements using HVX */ |
| 295 | void vector_scatter_32_acc(void) |
| 296 | { |
| 297 | HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; |
| 298 | HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; |
| 299 | HVX_Vector *valueslo = (HVX_Vector *)word_values_acc; |
| 300 | HVX_Vector *valueshi = (HVX_Vector *)&word_values_acc[MATRIX_SIZE / 2]; |
| 301 | |
| 302 | asm ("m0 = %1\n\t" |
| 303 | "v0 = vmem(%2 + #0)\n\t" |
| 304 | "v1 = vmem(%3 + #0)\n\t" |
| 305 | "vscatter(%0, m0, v0.w).w += v1\n\t" |
| 306 | : : "r"(vtcm.vscatter32), "r"(region_len), |
| 307 | "r"(offsetslo), "r"(valueslo) |
| 308 | : "m0", "v0", "v1", "memory"); |
| 309 | asm ("m0 = %1\n\t" |
| 310 | "v0 = vmem(%2 + #0)\n\t" |
| 311 | "v1 = vmem(%3 + #0)\n\t" |
| 312 | "vscatter(%0, m0, v0.w).w += v1\n\t" |
| 313 | : : "r"(vtcm.vscatter32), "r"(region_len), |
| 314 | "r"(offsetshi), "r"(valueshi) |
| 315 | : "m0", "v0", "v1", "memory"); |
| 316 | |
| 317 | sync_scatter(vtcm.vscatter32); |
| 318 | } |
| 319 | |
| 320 | /* masked scatter the 32 bit elements using HVX */ |
| 321 | void vector_scatter_32_masked(void) |
| 322 | { |
| 323 | HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; |
| 324 | HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; |
| 325 | HVX_Vector *valueslo = (HVX_Vector *)word_values_masked; |
| 326 | HVX_Vector *valueshi = (HVX_Vector *)&word_values_masked[MATRIX_SIZE / 2]; |
| 327 | HVX_Vector *predslo = (HVX_Vector *)word_predicates; |
| 328 | HVX_Vector *predshi = (HVX_Vector *)&word_predicates[MATRIX_SIZE / 2]; |
| 329 | |
| 330 | asm ("r1 = #-1\n\t" |
| 331 | "v0 = vmem(%0 + #0)\n\t" |
| 332 | "q0 = vand(v0, r1)\n\t" |
| 333 | "m0 = %2\n\t" |
| 334 | "v0 = vmem(%3 + #0)\n\t" |
| 335 | "v1 = vmem(%4 + #0)\n\t" |
| 336 | "if (q0) vscatter(%1, m0, v0.w).w = v1\n\t" |
| 337 | : : "r"(predslo), "r"(vtcm.vscatter32), "r"(region_len), |
| 338 | "r"(offsetslo), "r"(valueslo) |
| 339 | : "r1", "q0", "m0", "q0", "v0", "v1", "memory"); |
| 340 | asm ("r1 = #-1\n\t" |
| 341 | "v0 = vmem(%0 + #0)\n\t" |
| 342 | "q0 = vand(v0, r1)\n\t" |
| 343 | "m0 = %2\n\t" |
| 344 | "v0 = vmem(%3 + #0)\n\t" |
| 345 | "v1 = vmem(%4 + #0)\n\t" |
| 346 | "if (q0) vscatter(%1, m0, v0.w).w = v1\n\t" |
| 347 | : : "r"(predshi), "r"(vtcm.vscatter32), "r"(region_len), |
| 348 | "r"(offsetshi), "r"(valueshi) |
| 349 | : "r1", "q0", "m0", "q0", "v0", "v1", "memory"); |
| 350 | |
| 351 | sync_scatter(vtcm.vscatter32); |
| 352 | } |
| 353 | |
| 354 | /* scatter the 16 bit elements with 32 bit offsets using HVX */ |
| 355 | void vector_scatter_16_32(void) |
| 356 | { |
| 357 | asm ("m0 = %1\n\t" |
| 358 | "v0 = vmem(%2 + #0)\n\t" |
| 359 | "v1 = vmem(%2 + #1)\n\t" |
| 360 | "v2 = vmem(%3 + #0)\n\t" |
| 361 | "v2.h = vshuff(v2.h)\n\t" /* shuffle the values for the scatter */ |
| 362 | "vscatter(%0, m0, v1:0.w).h = v2\n\t" |
| 363 | : : "r"(vtcm.vscatter16_32), "r"(region_len), |
| 364 | "r"(word_offsets), "r"(half_values) |
| 365 | : "m0", "v0", "v1", "v2", "memory"); |
| 366 | |
| 367 | sync_scatter(vtcm.vscatter16_32); |
| 368 | } |
| 369 | |
| 370 | /* scatter-accumulate the 16 bit elements with 32 bit offsets using HVX */ |
| 371 | void vector_scatter_16_32_acc(void) |
| 372 | { |
| 373 | asm ("m0 = %1\n\t" |
| 374 | "v0 = vmem(%2 + #0)\n\t" |
| 375 | "v1 = vmem(%2 + #1)\n\t" |
| 376 | "v2 = vmem(%3 + #0)\n\t" \ |
| 377 | "v2.h = vshuff(v2.h)\n\t" /* shuffle the values for the scatter */ |
| 378 | "vscatter(%0, m0, v1:0.w).h += v2\n\t" |
| 379 | : : "r"(vtcm.vscatter16_32), "r"(region_len), |
| 380 | "r"(word_offsets), "r"(half_values_acc) |
| 381 | : "m0", "v0", "v1", "v2", "memory"); |
| 382 | |
| 383 | sync_scatter(vtcm.vscatter16_32); |
| 384 | } |
| 385 | |
| 386 | /* masked scatter the 16 bit elements with 32 bit offsets using HVX */ |
| 387 | void vector_scatter_16_32_masked(void) |
| 388 | { |
| 389 | asm ("r1 = #-1\n\t" |
| 390 | "v0 = vmem(%0 + #0)\n\t" |
| 391 | "v0.h = vshuff(v0.h)\n\t" /* shuffle the predicates */ |
| 392 | "q0 = vand(v0, r1)\n\t" |
| 393 | "m0 = %2\n\t" |
| 394 | "v0 = vmem(%3 + #0)\n\t" |
| 395 | "v1 = vmem(%3 + #1)\n\t" |
| 396 | "v2 = vmem(%4 + #0)\n\t" \ |
| 397 | "v2.h = vshuff(v2.h)\n\t" /* shuffle the values for the scatter */ |
| 398 | "if (q0) vscatter(%1, m0, v1:0.w).h = v2\n\t" |
| 399 | : : "r"(half_predicates), "r"(vtcm.vscatter16_32), "r"(region_len), |
| 400 | "r"(word_offsets), "r"(half_values_masked) |
| 401 | : "r1", "q0", "m0", "v0", "v1", "v2", "memory"); |
| 402 | |
| 403 | sync_scatter(vtcm.vscatter16_32); |
| 404 | } |
| 405 | |
| 406 | /* gather the elements from the scatter16 buffer using HVX */ |
| 407 | void vector_gather_16(void) |
| 408 | { |
| 409 | asm ("m0 = %1\n\t" |
| 410 | "v0 = vmem(%2 + #0)\n\t" |
| 411 | "{ vtmp.h = vgather(%0, m0, v0.h).h\n\t" |
| 412 | " vmem(%3 + #0) = vtmp.new }\n\t" |
| 413 | : : "r"(vtcm.vscatter16), "r"(region_len), |
| 414 | "r"(half_offsets), "r"(vtcm.vgather16) |
| 415 | : "m0", "v0", "memory"); |
| 416 | |
| 417 | sync_gather(vtcm.vgather16); |
| 418 | } |
| 419 | |
| 420 | static unsigned short gather_16_masked_init(void) |
| 421 | { |
| 422 | char letter = '?'; |
| 423 | return letter | (letter << 8); |
| 424 | } |
| 425 | |
| 426 | /* masked gather the elements from the scatter16 buffer using HVX */ |
| 427 | void vector_gather_16_masked(void) |
| 428 | { |
| 429 | unsigned short init = gather_16_masked_init(); |
| 430 | |
| 431 | asm ("v0.h = vsplat(%5)\n\t" |
| 432 | "vmem(%4 + #0) = v0\n\t" /* initialize the write area */ |
| 433 | "r1 = #-1\n\t" |
| 434 | "v0 = vmem(%0 + #0)\n\t" |
| 435 | "q0 = vand(v0, r1)\n\t" |
| 436 | "m0 = %2\n\t" |
| 437 | "v0 = vmem(%3 + #0)\n\t" |
| 438 | "{ if (q0) vtmp.h = vgather(%1, m0, v0.h).h\n\t" |
| 439 | " vmem(%4 + #0) = vtmp.new }\n\t" |
| 440 | : : "r"(half_predicates), "r"(vtcm.vscatter16), "r"(region_len), |
| 441 | "r"(half_offsets), "r"(vtcm.vgather16), "r"(init) |
| 442 | : "r1", "q0", "m0", "v0", "memory"); |
| 443 | |
| 444 | sync_gather(vtcm.vgather16); |
| 445 | } |
| 446 | |
| 447 | /* gather the elements from the scatter32 buffer using HVX */ |
| 448 | void vector_gather_32(void) |
| 449 | { |
| 450 | HVX_Vector *vgatherlo = (HVX_Vector *)vtcm.vgather32; |
| 451 | HVX_Vector *vgatherhi = (HVX_Vector *)&vtcm.vgather32[MATRIX_SIZE / 2]; |
| 452 | HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; |
| 453 | HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; |
| 454 | |
| 455 | asm ("m0 = %1\n\t" |
| 456 | "v0 = vmem(%2 + #0)\n\t" |
| 457 | "{ vtmp.w = vgather(%0, m0, v0.w).w\n\t" |
| 458 | " vmem(%3 + #0) = vtmp.new }\n\t" |
| 459 | : : "r"(vtcm.vscatter32), "r"(region_len), |
| 460 | "r"(offsetslo), "r"(vgatherlo) |
| 461 | : "m0", "v0", "memory"); |
| 462 | asm ("m0 = %1\n\t" |
| 463 | "v0 = vmem(%2 + #0)\n\t" |
| 464 | "{ vtmp.w = vgather(%0, m0, v0.w).w\n\t" |
| 465 | " vmem(%3 + #0) = vtmp.new }\n\t" |
| 466 | : : "r"(vtcm.vscatter32), "r"(region_len), |
| 467 | "r"(offsetshi), "r"(vgatherhi) |
| 468 | : "m0", "v0", "memory"); |
| 469 | |
| 470 | sync_gather(vgatherlo); |
| 471 | sync_gather(vgatherhi); |
| 472 | } |
| 473 | |
| 474 | static unsigned int gather_32_masked_init(void) |
| 475 | { |
| 476 | char letter = '?'; |
| 477 | return letter | (letter << 8) | (letter << 16) | (letter << 24); |
| 478 | } |
| 479 | |
| 480 | /* masked gather the elements from the scatter32 buffer using HVX */ |
| 481 | void vector_gather_32_masked(void) |
| 482 | { |
| 483 | unsigned int init = gather_32_masked_init(); |
| 484 | HVX_Vector *vgatherlo = (HVX_Vector *)vtcm.vgather32; |
| 485 | HVX_Vector *vgatherhi = (HVX_Vector *)&vtcm.vgather32[MATRIX_SIZE / 2]; |
| 486 | HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; |
| 487 | HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; |
| 488 | HVX_Vector *predslo = (HVX_Vector *)word_predicates; |
| 489 | HVX_Vector *predshi = (HVX_Vector *)&word_predicates[MATRIX_SIZE / 2]; |
| 490 | |
| 491 | asm ("v0.h = vsplat(%5)\n\t" |
| 492 | "vmem(%4 + #0) = v0\n\t" /* initialize the write area */ |
| 493 | "r1 = #-1\n\t" |
| 494 | "v0 = vmem(%0 + #0)\n\t" |
| 495 | "q0 = vand(v0, r1)\n\t" |
| 496 | "m0 = %2\n\t" |
| 497 | "v0 = vmem(%3 + #0)\n\t" |
| 498 | "{ if (q0) vtmp.w = vgather(%1, m0, v0.w).w\n\t" |
| 499 | " vmem(%4 + #0) = vtmp.new }\n\t" |
| 500 | : : "r"(predslo), "r"(vtcm.vscatter32), "r"(region_len), |
| 501 | "r"(offsetslo), "r"(vgatherlo), "r"(init) |
| 502 | : "r1", "q0", "m0", "v0", "memory"); |
| 503 | asm ("v0.h = vsplat(%5)\n\t" |
| 504 | "vmem(%4 + #0) = v0\n\t" /* initialize the write area */ |
| 505 | "r1 = #-1\n\t" |
| 506 | "v0 = vmem(%0 + #0)\n\t" |
| 507 | "q0 = vand(v0, r1)\n\t" |
| 508 | "m0 = %2\n\t" |
| 509 | "v0 = vmem(%3 + #0)\n\t" |
| 510 | "{ if (q0) vtmp.w = vgather(%1, m0, v0.w).w\n\t" |
| 511 | " vmem(%4 + #0) = vtmp.new }\n\t" |
| 512 | : : "r"(predshi), "r"(vtcm.vscatter32), "r"(region_len), |
| 513 | "r"(offsetshi), "r"(vgatherhi), "r"(init) |
| 514 | : "r1", "q0", "m0", "v0", "memory"); |
| 515 | |
| 516 | sync_gather(vgatherlo); |
| 517 | sync_gather(vgatherhi); |
| 518 | } |
| 519 | |
| 520 | /* gather the elements from the scatter16_32 buffer using HVX */ |
| 521 | void vector_gather_16_32(void) |
| 522 | { |
| 523 | asm ("m0 = %1\n\t" |
| 524 | "v0 = vmem(%2 + #0)\n\t" |
| 525 | "v1 = vmem(%2 + #1)\n\t" |
| 526 | "{ vtmp.h = vgather(%0, m0, v1:0.w).h\n\t" |
| 527 | " vmem(%3 + #0) = vtmp.new }\n\t" |
| 528 | "v0 = vmem(%3 + #0)\n\t" |
| 529 | "v0.h = vdeal(v0.h)\n\t" /* deal the elements to get the order back */ |
| 530 | "vmem(%3 + #0) = v0\n\t" |
| 531 | : : "r"(vtcm.vscatter16_32), "r"(region_len), |
| 532 | "r"(word_offsets), "r"(vtcm.vgather16_32) |
| 533 | : "m0", "v0", "v1", "memory"); |
| 534 | |
| 535 | sync_gather(vtcm.vgather16_32); |
| 536 | } |
| 537 | |
| 538 | /* masked gather the elements from the scatter16_32 buffer using HVX */ |
| 539 | void vector_gather_16_32_masked(void) |
| 540 | { |
| 541 | unsigned short init = gather_16_masked_init(); |
| 542 | |
| 543 | asm ("v0.h = vsplat(%5)\n\t" |
| 544 | "vmem(%4 + #0) = v0\n\t" /* initialize the write area */ |
| 545 | "r1 = #-1\n\t" |
| 546 | "v0 = vmem(%0 + #0)\n\t" |
| 547 | "v0.h = vshuff(v0.h)\n\t" /* shuffle the predicates */ |
| 548 | "q0 = vand(v0, r1)\n\t" |
| 549 | "m0 = %2\n\t" |
| 550 | "v0 = vmem(%3 + #0)\n\t" |
| 551 | "v1 = vmem(%3 + #1)\n\t" |
| 552 | "{ if (q0) vtmp.h = vgather(%1, m0, v1:0.w).h\n\t" |
| 553 | " vmem(%4 + #0) = vtmp.new }\n\t" |
| 554 | "v0 = vmem(%4 + #0)\n\t" |
| 555 | "v0.h = vdeal(v0.h)\n\t" /* deal the elements to get the order back */ |
| 556 | "vmem(%4 + #0) = v0\n\t" |
| 557 | : : "r"(half_predicates), "r"(vtcm.vscatter16_32), "r"(region_len), |
| 558 | "r"(word_offsets), "r"(vtcm.vgather16_32), "r"(init) |
| 559 | : "r1", "q0", "m0", "v0", "v1", "memory"); |
| 560 | |
| 561 | sync_gather(vtcm.vgather16_32); |
| 562 | } |
| 563 | |
| 564 | static void check_buffer(const char *name, void *c, void *r, size_t size) |
| 565 | { |
| 566 | char *check = (char *)c; |
| 567 | char *ref = (char *)r; |
| 568 | for (int i = 0; i < size; i++) { |
| 569 | if (check[i] != ref[i]) { |
| 570 | printf("ERROR %s [%d]: 0x%x (%c) != 0x%x (%c)\n", name, i, |
| 571 | check[i], check[i], ref[i], ref[i]); |
| 572 | err++; |
| 573 | } |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | /* |
| 578 | * These scalar functions are the C equivalents of the vector functions that |
| 579 | * use HVX |
| 580 | */ |
| 581 | |
| 582 | /* scatter the 16 bit elements using C */ |
| 583 | void scalar_scatter_16(unsigned short *vscatter16) |
| 584 | { |
| 585 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 586 | vscatter16[half_offsets[i] / 2] = half_values[i]; |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | void check_scatter_16() |
| 591 | { |
| 592 | memset(vscatter16_ref, FILL_CHAR, |
| 593 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 594 | scalar_scatter_16(vscatter16_ref); |
| 595 | check_buffer(__func__, vtcm.vscatter16, vscatter16_ref, |
| 596 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 597 | } |
| 598 | |
| 599 | /* scatter the 16 bit elements using C */ |
| 600 | void scalar_scatter_16_acc(unsigned short *vscatter16) |
| 601 | { |
| 602 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 603 | vscatter16[half_offsets[i] / 2] += half_values_acc[i]; |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | /* scatter-accumulate the 16 bit elements using C */ |
| 608 | void check_scatter_16_acc() |
| 609 | { |
| 610 | memset(vscatter16_ref, FILL_CHAR, |
| 611 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 612 | scalar_scatter_16(vscatter16_ref); |
| 613 | scalar_scatter_16_acc(vscatter16_ref); |
| 614 | check_buffer(__func__, vtcm.vscatter16, vscatter16_ref, |
| 615 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 616 | } |
| 617 | |
| 618 | /* masked scatter the 16 bit elements using C */ |
| 619 | void scalar_scatter_16_masked(unsigned short *vscatter16) |
| 620 | { |
| 621 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 622 | if (half_predicates[i]) { |
| 623 | vscatter16[half_offsets[i] / 2] = half_values_masked[i]; |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | } |
| 628 | |
| 629 | void check_scatter_16_masked() |
| 630 | { |
| 631 | memset(vscatter16_ref, FILL_CHAR, |
| 632 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 633 | scalar_scatter_16(vscatter16_ref); |
| 634 | scalar_scatter_16_acc(vscatter16_ref); |
| 635 | scalar_scatter_16_masked(vscatter16_ref); |
| 636 | check_buffer(__func__, vtcm.vscatter16, vscatter16_ref, |
| 637 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 638 | } |
| 639 | |
| 640 | /* scatter the 32 bit elements using C */ |
| 641 | void scalar_scatter_32(unsigned int *vscatter32) |
| 642 | { |
| 643 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 644 | vscatter32[word_offsets[i] / 4] = word_values[i]; |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | void check_scatter_32() |
| 649 | { |
| 650 | memset(vscatter32_ref, FILL_CHAR, |
| 651 | SCATTER_BUFFER_SIZE * sizeof(unsigned int)); |
| 652 | scalar_scatter_32(vscatter32_ref); |
| 653 | check_buffer(__func__, vtcm.vscatter32, vscatter32_ref, |
| 654 | SCATTER_BUFFER_SIZE * sizeof(unsigned int)); |
| 655 | } |
| 656 | |
| 657 | /* scatter-accumulate the 32 bit elements using C */ |
| 658 | void scalar_scatter_32_acc(unsigned int *vscatter32) |
| 659 | { |
| 660 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 661 | vscatter32[word_offsets[i] / 4] += word_values_acc[i]; |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | void check_scatter_32_acc() |
| 666 | { |
| 667 | memset(vscatter32_ref, FILL_CHAR, |
| 668 | SCATTER_BUFFER_SIZE * sizeof(unsigned int)); |
| 669 | scalar_scatter_32(vscatter32_ref); |
| 670 | scalar_scatter_32_acc(vscatter32_ref); |
| 671 | check_buffer(__func__, vtcm.vscatter32, vscatter32_ref, |
| 672 | SCATTER_BUFFER_SIZE * sizeof(unsigned int)); |
| 673 | } |
| 674 | |
| 675 | /* masked scatter the 32 bit elements using C */ |
| 676 | void scalar_scatter_32_masked(unsigned int *vscatter32) |
| 677 | { |
| 678 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 679 | if (word_predicates[i]) { |
| 680 | vscatter32[word_offsets[i] / 4] = word_values_masked[i]; |
| 681 | } |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | void check_scatter_32_masked() |
| 686 | { |
| 687 | memset(vscatter32_ref, FILL_CHAR, |
| 688 | SCATTER_BUFFER_SIZE * sizeof(unsigned int)); |
| 689 | scalar_scatter_32(vscatter32_ref); |
| 690 | scalar_scatter_32_acc(vscatter32_ref); |
| 691 | scalar_scatter_32_masked(vscatter32_ref); |
| 692 | check_buffer(__func__, vtcm.vscatter32, vscatter32_ref, |
| 693 | SCATTER_BUFFER_SIZE * sizeof(unsigned int)); |
| 694 | } |
| 695 | |
| 696 | /* scatter the 16 bit elements with 32 bit offsets using C */ |
| 697 | void scalar_scatter_16_32(unsigned short *vscatter16_32) |
| 698 | { |
| 699 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 700 | vscatter16_32[word_offsets[i] / 2] = half_values[i]; |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | void check_scatter_16_32() |
| 705 | { |
| 706 | memset(vscatter16_32_ref, FILL_CHAR, |
| 707 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 708 | scalar_scatter_16_32(vscatter16_32_ref); |
| 709 | check_buffer(__func__, vtcm.vscatter16_32, vscatter16_32_ref, |
| 710 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 711 | } |
| 712 | |
| 713 | /* scatter-accumulate the 16 bit elements with 32 bit offsets using C */ |
| 714 | void scalar_scatter_16_32_acc(unsigned short *vscatter16_32) |
| 715 | { |
| 716 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 717 | vscatter16_32[word_offsets[i] / 2] += half_values_acc[i]; |
| 718 | } |
| 719 | } |
| 720 | |
| 721 | void check_scatter_16_32_acc() |
| 722 | { |
| 723 | memset(vscatter16_32_ref, FILL_CHAR, |
| 724 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 725 | scalar_scatter_16_32(vscatter16_32_ref); |
| 726 | scalar_scatter_16_32_acc(vscatter16_32_ref); |
| 727 | check_buffer(__func__, vtcm.vscatter16_32, vscatter16_32_ref, |
| 728 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 729 | } |
| 730 | |
| 731 | /* masked scatter the 16 bit elements with 32 bit offsets using C */ |
| 732 | void scalar_scatter_16_32_masked(unsigned short *vscatter16_32) |
| 733 | { |
| 734 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 735 | if (half_predicates[i]) { |
| 736 | vscatter16_32[word_offsets[i] / 2] = half_values_masked[i]; |
| 737 | } |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | void check_scatter_16_32_masked() |
| 742 | { |
| 743 | memset(vscatter16_32_ref, FILL_CHAR, |
| 744 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 745 | scalar_scatter_16_32(vscatter16_32_ref); |
| 746 | scalar_scatter_16_32_acc(vscatter16_32_ref); |
| 747 | scalar_scatter_16_32_masked(vscatter16_32_ref); |
| 748 | check_buffer(__func__, vtcm.vscatter16_32, vscatter16_32_ref, |
| 749 | SCATTER_BUFFER_SIZE * sizeof(unsigned short)); |
| 750 | } |
| 751 | |
| 752 | /* gather the elements from the scatter buffer using C */ |
| 753 | void scalar_gather_16(unsigned short *vgather16) |
| 754 | { |
| 755 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 756 | vgather16[i] = vtcm.vscatter16[half_offsets[i] / 2]; |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | void check_gather_16() |
| 761 | { |
| 762 | memset(vgather16_ref, 0, MATRIX_SIZE * sizeof(unsigned short)); |
| 763 | scalar_gather_16(vgather16_ref); |
| 764 | check_buffer(__func__, vtcm.vgather16, vgather16_ref, |
| 765 | MATRIX_SIZE * sizeof(unsigned short)); |
| 766 | } |
| 767 | |
| 768 | /* masked gather the elements from the scatter buffer using C */ |
| 769 | void scalar_gather_16_masked(unsigned short *vgather16) |
| 770 | { |
| 771 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 772 | if (half_predicates[i]) { |
| 773 | vgather16[i] = vtcm.vscatter16[half_offsets[i] / 2]; |
| 774 | } |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | void check_gather_16_masked() |
| 779 | { |
| 780 | memset(vgather16_ref, gather_16_masked_init(), |
| 781 | MATRIX_SIZE * sizeof(unsigned short)); |
| 782 | scalar_gather_16_masked(vgather16_ref); |
| 783 | check_buffer(__func__, vtcm.vgather16, vgather16_ref, |
| 784 | MATRIX_SIZE * sizeof(unsigned short)); |
| 785 | } |
| 786 | |
| 787 | /* gather the elements from the scatter32 buffer using C */ |
| 788 | void scalar_gather_32(unsigned int *vgather32) |
| 789 | { |
| 790 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 791 | vgather32[i] = vtcm.vscatter32[word_offsets[i] / 4]; |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | void check_gather_32(void) |
| 796 | { |
| 797 | memset(vgather32_ref, 0, MATRIX_SIZE * sizeof(unsigned int)); |
| 798 | scalar_gather_32(vgather32_ref); |
| 799 | check_buffer(__func__, vtcm.vgather32, vgather32_ref, |
| 800 | MATRIX_SIZE * sizeof(unsigned int)); |
| 801 | } |
| 802 | |
| 803 | /* masked gather the elements from the scatter32 buffer using C */ |
| 804 | void scalar_gather_32_masked(unsigned int *vgather32) |
| 805 | { |
| 806 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 807 | if (word_predicates[i]) { |
| 808 | vgather32[i] = vtcm.vscatter32[word_offsets[i] / 4]; |
| 809 | } |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | void check_gather_32_masked(void) |
| 814 | { |
| 815 | memset(vgather32_ref, gather_32_masked_init(), |
| 816 | MATRIX_SIZE * sizeof(unsigned int)); |
| 817 | scalar_gather_32_masked(vgather32_ref); |
| 818 | check_buffer(__func__, vtcm.vgather32, |
| 819 | vgather32_ref, MATRIX_SIZE * sizeof(unsigned int)); |
| 820 | } |
| 821 | |
| 822 | /* gather the elements from the scatter16_32 buffer using C */ |
| 823 | void scalar_gather_16_32(unsigned short *vgather16_32) |
| 824 | { |
| 825 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 826 | vgather16_32[i] = vtcm.vscatter16_32[word_offsets[i] / 2]; |
| 827 | } |
| 828 | } |
| 829 | |
| 830 | void check_gather_16_32(void) |
| 831 | { |
| 832 | memset(vgather16_32_ref, 0, MATRIX_SIZE * sizeof(unsigned short)); |
| 833 | scalar_gather_16_32(vgather16_32_ref); |
| 834 | check_buffer(__func__, vtcm.vgather16_32, vgather16_32_ref, |
| 835 | MATRIX_SIZE * sizeof(unsigned short)); |
| 836 | } |
| 837 | |
| 838 | /* masked gather the elements from the scatter16_32 buffer using C */ |
| 839 | void scalar_gather_16_32_masked(unsigned short *vgather16_32) |
| 840 | { |
| 841 | for (int i = 0; i < MATRIX_SIZE; ++i) { |
| 842 | if (half_predicates[i]) { |
| 843 | vgather16_32[i] = vtcm.vscatter16_32[word_offsets[i] / 2]; |
| 844 | } |
| 845 | } |
| 846 | |
| 847 | } |
| 848 | |
| 849 | void check_gather_16_32_masked(void) |
| 850 | { |
| 851 | memset(vgather16_32_ref, gather_16_masked_init(), |
| 852 | MATRIX_SIZE * sizeof(unsigned short)); |
| 853 | scalar_gather_16_32_masked(vgather16_32_ref); |
| 854 | check_buffer(__func__, vtcm.vgather16_32, vgather16_32_ref, |
| 855 | MATRIX_SIZE * sizeof(unsigned short)); |
| 856 | } |
| 857 | |
| 858 | /* print scatter16 buffer */ |
| 859 | void print_scatter16_buffer(void) |
| 860 | { |
| 861 | if (PRINT_DATA) { |
| 862 | printf("\n\nPrinting the 16 bit scatter buffer"); |
| 863 | |
| 864 | for (int i = 0; i < SCATTER_BUFFER_SIZE; i++) { |
| 865 | if ((i % MATRIX_SIZE) == 0) { |
| 866 | printf("\n"); |
| 867 | } |
| 868 | for (int j = 0; j < 2; j++) { |
| 869 | printf("%c", (char)((vtcm.vscatter16[i] >> j * 8) & 0xff)); |
| 870 | } |
| 871 | printf(" "); |
| 872 | } |
| 873 | printf("\n"); |
| 874 | } |
| 875 | } |
| 876 | |
| 877 | /* print the gather 16 buffer */ |
| 878 | void print_gather_result_16(void) |
| 879 | { |
| 880 | if (PRINT_DATA) { |
| 881 | printf("\n\nPrinting the 16 bit gather result\n"); |
| 882 | |
| 883 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 884 | for (int j = 0; j < 2; j++) { |
| 885 | printf("%c", (char)((vtcm.vgather16[i] >> j * 8) & 0xff)); |
| 886 | } |
| 887 | printf(" "); |
| 888 | } |
| 889 | printf("\n"); |
| 890 | } |
| 891 | } |
| 892 | |
| 893 | /* print the scatter32 buffer */ |
| 894 | void print_scatter32_buffer(void) |
| 895 | { |
| 896 | if (PRINT_DATA) { |
| 897 | printf("\n\nPrinting the 32 bit scatter buffer"); |
| 898 | |
| 899 | for (int i = 0; i < SCATTER_BUFFER_SIZE; i++) { |
| 900 | if ((i % MATRIX_SIZE) == 0) { |
| 901 | printf("\n"); |
| 902 | } |
| 903 | for (int j = 0; j < 4; j++) { |
| 904 | printf("%c", (char)((vtcm.vscatter32[i] >> j * 8) & 0xff)); |
| 905 | } |
| 906 | printf(" "); |
| 907 | } |
| 908 | printf("\n"); |
| 909 | } |
| 910 | } |
| 911 | |
| 912 | /* print the gather 32 buffer */ |
| 913 | void print_gather_result_32(void) |
| 914 | { |
| 915 | if (PRINT_DATA) { |
| 916 | printf("\n\nPrinting the 32 bit gather result\n"); |
| 917 | |
| 918 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 919 | for (int j = 0; j < 4; j++) { |
| 920 | printf("%c", (char)((vtcm.vgather32[i] >> j * 8) & 0xff)); |
| 921 | } |
| 922 | printf(" "); |
| 923 | } |
| 924 | printf("\n"); |
| 925 | } |
| 926 | } |
| 927 | |
| 928 | /* print the scatter16_32 buffer */ |
| 929 | void print_scatter16_32_buffer(void) |
| 930 | { |
| 931 | if (PRINT_DATA) { |
| 932 | printf("\n\nPrinting the 16_32 bit scatter buffer"); |
| 933 | |
| 934 | for (int i = 0; i < SCATTER_BUFFER_SIZE; i++) { |
| 935 | if ((i % MATRIX_SIZE) == 0) { |
| 936 | printf("\n"); |
| 937 | } |
| 938 | for (int j = 0; j < 2; j++) { |
| 939 | printf("%c", |
| 940 | (unsigned char)((vtcm.vscatter16_32[i] >> j * 8) & 0xff)); |
| 941 | } |
| 942 | printf(" "); |
| 943 | } |
| 944 | printf("\n"); |
| 945 | } |
| 946 | } |
| 947 | |
| 948 | /* print the gather 16_32 buffer */ |
| 949 | void print_gather_result_16_32(void) |
| 950 | { |
| 951 | if (PRINT_DATA) { |
| 952 | printf("\n\nPrinting the 16_32 bit gather result\n"); |
| 953 | |
| 954 | for (int i = 0; i < MATRIX_SIZE; i++) { |
| 955 | for (int j = 0; j < 2; j++) { |
| 956 | printf("%c", |
| 957 | (unsigned char)((vtcm.vgather16_32[i] >> j * 8) & 0xff)); |
| 958 | } |
| 959 | printf(" "); |
| 960 | } |
| 961 | printf("\n"); |
| 962 | } |
| 963 | } |
| 964 | |
| 965 | int main() |
| 966 | { |
| 967 | prefill_vtcm_scratch(); |
| 968 | |
| 969 | /* 16 bit elements with 16 bit offsets */ |
| 970 | create_offsets_values_preds_16(); |
| 971 | |
| 972 | vector_scatter_16(); |
| 973 | print_scatter16_buffer(); |
| 974 | check_scatter_16(); |
| 975 | |
| 976 | vector_gather_16(); |
| 977 | print_gather_result_16(); |
| 978 | check_gather_16(); |
| 979 | |
| 980 | vector_gather_16_masked(); |
| 981 | print_gather_result_16(); |
| 982 | check_gather_16_masked(); |
| 983 | |
| 984 | vector_scatter_16_acc(); |
| 985 | print_scatter16_buffer(); |
| 986 | check_scatter_16_acc(); |
| 987 | |
| 988 | vector_scatter_16_masked(); |
| 989 | print_scatter16_buffer(); |
| 990 | check_scatter_16_masked(); |
| 991 | |
| 992 | /* 32 bit elements with 32 bit offsets */ |
| 993 | create_offsets_values_preds_32(); |
| 994 | |
| 995 | vector_scatter_32(); |
| 996 | print_scatter32_buffer(); |
| 997 | check_scatter_32(); |
| 998 | |
| 999 | vector_gather_32(); |
| 1000 | print_gather_result_32(); |
| 1001 | check_gather_32(); |
| 1002 | |
| 1003 | vector_gather_32_masked(); |
| 1004 | print_gather_result_32(); |
| 1005 | check_gather_32_masked(); |
| 1006 | |
| 1007 | vector_scatter_32_acc(); |
| 1008 | print_scatter32_buffer(); |
| 1009 | check_scatter_32_acc(); |
| 1010 | |
| 1011 | vector_scatter_32_masked(); |
| 1012 | print_scatter32_buffer(); |
| 1013 | check_scatter_32_masked(); |
| 1014 | |
| 1015 | /* 16 bit elements with 32 bit offsets */ |
| 1016 | create_offsets_values_preds_16_32(); |
| 1017 | |
| 1018 | vector_scatter_16_32(); |
| 1019 | print_scatter16_32_buffer(); |
| 1020 | check_scatter_16_32(); |
| 1021 | |
| 1022 | vector_gather_16_32(); |
| 1023 | print_gather_result_16_32(); |
| 1024 | check_gather_16_32(); |
| 1025 | |
| 1026 | vector_gather_16_32_masked(); |
| 1027 | print_gather_result_16_32(); |
| 1028 | check_gather_16_32_masked(); |
| 1029 | |
| 1030 | vector_scatter_16_32_acc(); |
| 1031 | print_scatter16_32_buffer(); |
| 1032 | check_scatter_16_32_acc(); |
| 1033 | |
| 1034 | vector_scatter_16_32_masked(); |
| 1035 | print_scatter16_32_buffer(); |
| 1036 | check_scatter_16_32_masked(); |
| 1037 | |
| 1038 | puts(err ? "FAIL" : "PASS"); |
| 1039 | return err; |
| 1040 | } |