config/toolchain-simd.m4

   1 dnl #
   2 dnl # Checks if host toolchain supports SIMD instructions
   3 dnl #
   4 AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_TOOLCHAIN_SIMD], [
   5         case "$host_cpu" in
   6                 amd64 | x86_64 | x86 | i686)
   7                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE
   8                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2
   9                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3
  10                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3
  11                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1
  12                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2
  13                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX
  14                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2
  15                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512F
  16                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512CD
  17                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512DQ
  18                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512BW
  19                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512IFMA
  20                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VBMI
  21                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF
  22                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER
  23                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL
  24                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AES
  25                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ
  26                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_MOVBE
  27                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVE
  28                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVEOPT
  29                         ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVES
  30                         ;;
  31         esac
  32 ])
  33
  34 dnl #
  35 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE
  36 dnl #
  37 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE], [
  38         AC_MSG_CHECKING([whether host toolchain supports SSE])
  39
  40         AC_LINK_IFELSE([AC_LANG_SOURCE([[
  41                 void main()
  42                 {
  43                         __asm__ __volatile__("xorps %xmm0, %xmm1");
  44                 }
  45         ]])], [
  46                 AC_DEFINE([HAVE_SSE], 1, [Define if host toolchain supports SSE])
  47                 AC_MSG_RESULT([yes])
  48         ], [
  49                 AC_MSG_RESULT([no])
  50         ])
  51 ])
  52
  53 dnl #
  54 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2
  55 dnl #
  56 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2], [
  57         AC_MSG_CHECKING([whether host toolchain supports SSE2])
  58
  59         AC_LINK_IFELSE([AC_LANG_SOURCE([[
  60                 void main()
  61                 {
  62                         __asm__ __volatile__("pxor %xmm0, %xmm1");
  63                 }
  64         ]])], [
  65                 AC_DEFINE([HAVE_SSE2], 1, [Define if host toolchain supports SSE2])
  66                 AC_MSG_RESULT([yes])
  67         ], [
  68                 AC_MSG_RESULT([no])
  69         ])
  70 ])
  71
  72 dnl #
  73 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3
  74 dnl #
  75 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3], [
  76         AC_MSG_CHECKING([whether host toolchain supports SSE3])
  77
  78         AC_LINK_IFELSE([AC_LANG_SOURCE([[
  79                 void main()
  80                 {
  81                         char v[16];
  82                         __asm__ __volatile__("lddqu %0,%%xmm0" :: "m"(v[0]));
  83                 }
  84         ]])], [
  85                 AC_DEFINE([HAVE_SSE3], 1, [Define if host toolchain supports SSE3])
  86                 AC_MSG_RESULT([yes])
  87         ], [
  88                 AC_MSG_RESULT([no])
  89         ])
  90 ])
  91
  92 dnl #
  93 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3
  94 dnl #
  95 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3], [
  96         AC_MSG_CHECKING([whether host toolchain supports SSSE3])
  97
  98         AC_LINK_IFELSE([AC_LANG_SOURCE([[
  99                 void main()
 100                 {
 101                         __asm__ __volatile__("pshufb %xmm0,%xmm1");
 102                 }
 103         ]])], [
 104                 AC_DEFINE([HAVE_SSSE3], 1, [Define if host toolchain supports SSSE3])
 105                 AC_MSG_RESULT([yes])
 106         ], [
 107                 AC_MSG_RESULT([no])
 108         ])
 109 ])
 110
 111 dnl #
 112 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1
 113 dnl #
 114 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1], [
 115         AC_MSG_CHECKING([whether host toolchain supports SSE4.1])
 116
 117         AC_LINK_IFELSE([AC_LANG_SOURCE([[
 118                 void main()
 119                 {
 120                         __asm__ __volatile__("pmaxsb %xmm0,%xmm1");
 121                 }
 122         ]])], [
 123                 AC_DEFINE([HAVE_SSE4_1], 1, [Define if host toolchain supports SSE4.1])
 124                 AC_MSG_RESULT([yes])
 125         ], [
 126                 AC_MSG_RESULT([no])
 127         ])
 128 ])
 129
 130 dnl #
 131 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2
 132 dnl #
 133 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2], [
 134         AC_MSG_CHECKING([whether host toolchain supports SSE4.2])
 135
 136         AC_LINK_IFELSE([AC_LANG_SOURCE([[
 137                 void main()
 138                 {
 139                         __asm__ __volatile__("pcmpgtq %xmm0, %xmm1");
 140                 }
 141         ]])], [
 142                 AC_DEFINE([HAVE_SSE4_2], 1, [Define if host toolchain supports SSE4.2])
 143                 AC_MSG_RESULT([yes])
 144         ], [
 145                 AC_MSG_RESULT([no])
 146         ])
 147 ])
 148
 149 dnl #
 150 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX
 151 dnl #
 152 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX], [
 153         AC_MSG_CHECKING([whether host toolchain supports AVX])
 154
 155         AC_LINK_IFELSE([AC_LANG_SOURCE([[
 156                 void main()
 157                 {
 158                         char v[32];
 159                         __asm__ __volatile__("vmovdqa %0,%%ymm0" :: "m"(v[0]));
 160                 }
 161         ]])], [
 162                 AC_MSG_RESULT([yes])
 163                 AC_DEFINE([HAVE_AVX], 1, [Define if host toolchain supports AVX])
 164         ], [
 165                 AC_MSG_RESULT([no])
 166         ])
 167 ])
 168
 169 dnl #
 170 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2
 171 dnl #
 172 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2], [
 173         AC_MSG_CHECKING([whether host toolchain supports AVX2])
 174
 175         AC_LINK_IFELSE([AC_LANG_SOURCE([
 176         [
 177                 void main()
 178                 {
 179                         __asm__ __volatile__("vpshufb %ymm0,%ymm1,%ymm2");
 180                 }
 181         ]])], [
 182                 AC_MSG_RESULT([yes])
 183                 AC_DEFINE([HAVE_AVX2], 1, [Define if host toolchain supports AVX2])
 184         ], [
 185                 AC_MSG_RESULT([no])
 186         ])
 187 ])
 188
 189 dnl #
 190 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512F
 191 dnl #
 192 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512F], [
 193         AC_MSG_CHECKING([whether host toolchain supports AVX512F])
 194
 195         AC_LINK_IFELSE([AC_LANG_SOURCE([
 196         [
 197                 void main()
 198                 {
 199                         __asm__ __volatile__("vpandd %zmm0,%zmm1,%zmm2");
 200                 }
 201         ]])], [
 202                 AC_MSG_RESULT([yes])
 203                 AC_DEFINE([HAVE_AVX512F], 1, [Define if host toolchain supports AVX512F])
 204         ], [
 205                 AC_MSG_RESULT([no])
 206         ])
 207 ])
 208
 209 dnl #
 210 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512CD
 211 dnl #
 212 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512CD], [
 213         AC_MSG_CHECKING([whether host toolchain supports AVX512CD])
 214
 215         AC_LINK_IFELSE([AC_LANG_SOURCE([
 216         [
 217                 void main()
 218                 {
 219                         __asm__ __volatile__("vplzcntd %zmm0,%zmm1");
 220                 }
 221         ]])], [
 222                 AC_MSG_RESULT([yes])
 223                 AC_DEFINE([HAVE_AVX512CD], 1, [Define if host toolchain supports AVX512CD])
 224         ], [
 225                 AC_MSG_RESULT([no])
 226         ])
 227 ])
 228
 229 dnl #
 230 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512DQ
 231 dnl #
 232 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512DQ], [
 233         AC_MSG_CHECKING([whether host toolchain supports AVX512DQ])
 234
 235         AC_LINK_IFELSE([AC_LANG_SOURCE([
 236         [
 237                 void main()
 238                 {
 239                         __asm__ __volatile__("vandpd %zmm0,%zmm1,%zmm2");
 240                 }
 241         ]])], [
 242                 AC_MSG_RESULT([yes])
 243                 AC_DEFINE([HAVE_AVX512DQ], 1, [Define if host toolchain supports AVX512DQ])
 244         ], [
 245                 AC_MSG_RESULT([no])
 246         ])
 247 ])
 248
 249 dnl #
 250 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512BW
 251 dnl #
 252 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512BW], [
 253         AC_MSG_CHECKING([whether host toolchain supports AVX512BW])
 254
 255         AC_LINK_IFELSE([AC_LANG_SOURCE([
 256         [
 257                 void main()
 258                 {
 259                         __asm__ __volatile__("vpshufb %zmm0,%zmm1,%zmm2");
 260                 }
 261         ]])], [
 262                 AC_MSG_RESULT([yes])
 263                 AC_DEFINE([HAVE_AVX512BW], 1, [Define if host toolchain supports AVX512BW])
 264         ], [
 265                 AC_MSG_RESULT([no])
 266         ])
 267 ])
 268
 269 dnl #
 270 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512IFMA
 271 dnl #
 272 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512IFMA], [
 273         AC_MSG_CHECKING([whether host toolchain supports AVX512IFMA])
 274
 275         AC_LINK_IFELSE([AC_LANG_SOURCE([
 276         [
 277                 void main()
 278                 {
 279                         __asm__ __volatile__("vpmadd52luq %zmm0,%zmm1,%zmm2");
 280                 }
 281         ]])], [
 282                 AC_MSG_RESULT([yes])
 283                 AC_DEFINE([HAVE_AVX512IFMA], 1, [Define if host toolchain supports AVX512IFMA])
 284         ], [
 285                 AC_MSG_RESULT([no])
 286         ])
 287 ])
 288
 289 dnl #
 290 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VBMI
 291 dnl #
 292 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VBMI], [
 293         AC_MSG_CHECKING([whether host toolchain supports AVX512VBMI])
 294
 295         AC_LINK_IFELSE([AC_LANG_SOURCE([
 296         [
 297                 void main()
 298                 {
 299                         __asm__ __volatile__("vpermb %zmm0,%zmm1,%zmm2");
 300                 }
 301         ]])], [
 302                 AC_MSG_RESULT([yes])
 303                 AC_DEFINE([HAVE_AVX512VBMI], 1, [Define if host toolchain supports AVX512VBMI])
 304         ], [
 305                 AC_MSG_RESULT([no])
 306         ])
 307 ])
 308
 309 dnl #
 310 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF
 311 dnl #
 312 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF], [
 313         AC_MSG_CHECKING([whether host toolchain supports AVX512PF])
 314
 315         AC_LINK_IFELSE([AC_LANG_SOURCE([
 316         [
 317                 void main()
 318                 {
 319                         __asm__ __volatile__("vgatherpf0dps (%rsi,%zmm0,4){%k1}");
 320                 }
 321         ]])], [
 322                 AC_MSG_RESULT([yes])
 323                 AC_DEFINE([HAVE_AVX512PF], 1, [Define if host toolchain supports AVX512PF])
 324         ], [
 325                 AC_MSG_RESULT([no])
 326         ])
 327 ])
 328
 329 dnl #
 330 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER
 331 dnl #
 332 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER], [
 333         AC_MSG_CHECKING([whether host toolchain supports AVX512ER])
 334
 335         AC_LINK_IFELSE([AC_LANG_SOURCE([
 336         [
 337                 void main()
 338                 {
 339                         __asm__ __volatile__("vexp2pd %zmm0,%zmm1");
 340                 }
 341         ]])], [
 342                 AC_MSG_RESULT([yes])
 343                 AC_DEFINE([HAVE_AVX512ER], 1, [Define if host toolchain supports AVX512ER])
 344         ], [
 345                 AC_MSG_RESULT([no])
 346         ])
 347 ])
 348
 349 dnl #
 350 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL
 351 dnl #
 352 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL], [
 353         AC_MSG_CHECKING([whether host toolchain supports AVX512VL])
 354
 355         AC_LINK_IFELSE([AC_LANG_SOURCE([
 356         [
 357                 void main()
 358                 {
 359                         __asm__ __volatile__("vpabsq %zmm0,%zmm1");
 360                 }
 361         ]])], [
 362                 AC_MSG_RESULT([yes])
 363                 AC_DEFINE([HAVE_AVX512VL], 1, [Define if host toolchain supports AVX512VL])
 364         ], [
 365                 AC_MSG_RESULT([no])
 366         ])
 367 ])
 368
 369 dnl #
 370 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AES
 371 dnl #
 372 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AES], [
 373         AC_MSG_CHECKING([whether host toolchain supports AES])
 374
 375         AC_LINK_IFELSE([AC_LANG_SOURCE([
 376         [
 377                 void main()
 378                 {
 379                         __asm__ __volatile__("aesenc %xmm0, %xmm1");
 380                 }
 381         ]])], [
 382                 AC_MSG_RESULT([yes])
 383                 AC_DEFINE([HAVE_AES], 1, [Define if host toolchain supports AES])
 384         ], [
 385                 AC_MSG_RESULT([no])
 386         ])
 387 ])
 388
 389 dnl #
 390 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ
 391 dnl #
 392 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ], [
 393         AC_MSG_CHECKING([whether host toolchain supports PCLMULQDQ])
 394
 395         AC_LINK_IFELSE([AC_LANG_SOURCE([
 396         [
 397                 void main()
 398                 {
 399                         __asm__ __volatile__("pclmulqdq %0, %%xmm0, %%xmm1" :: "i"(0));
 400                 }
 401         ]])], [
 402                 AC_MSG_RESULT([yes])
 403                 AC_DEFINE([HAVE_PCLMULQDQ], 1, [Define if host toolchain supports PCLMULQDQ])
 404         ], [
 405                 AC_MSG_RESULT([no])
 406         ])
 407 ])
 408
 409 dnl #
 410 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_MOVBE
 411 dnl #
 412 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_MOVBE], [
 413         AC_MSG_CHECKING([whether host toolchain supports MOVBE])
 414
 415         AC_LINK_IFELSE([AC_LANG_SOURCE([
 416         [
 417                 void main()
 418                 {
 419                         __asm__ __volatile__("movbe 0(%eax), %eax");
 420                 }
 421         ]])], [
 422                 AC_MSG_RESULT([yes])
 423                 AC_DEFINE([HAVE_MOVBE], 1, [Define if host toolchain supports MOVBE])
 424         ], [
 425                 AC_MSG_RESULT([no])
 426         ])
 427 ])
 428
 429 dnl #
 430 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVE
 431 dnl #
 432 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVE], [
 433         AC_MSG_CHECKING([whether host toolchain supports XSAVE])
 434
 435         AC_LINK_IFELSE([AC_LANG_SOURCE([
 436         [
 437                 void main()
 438                 {
 439                   char b[4096] __attribute__ ((aligned (64)));
 440                   __asm__ __volatile__("xsave %[b]\n" : : [b] "m" (*b) : "memory");
 441                 }
 442         ]])], [
 443                 AC_MSG_RESULT([yes])
 444                 AC_DEFINE([HAVE_XSAVE], 1, [Define if host toolchain supports XSAVE])
 445         ], [
 446                 AC_MSG_RESULT([no])
 447         ])
 448 ])
 449
 450 dnl #
 451 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVEOPT
 452 dnl #
 453 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVEOPT], [
 454         AC_MSG_CHECKING([whether host toolchain supports XSAVEOPT])
 455
 456         AC_LINK_IFELSE([AC_LANG_SOURCE([
 457         [
 458                 void main()
 459                 {
 460                   char b[4096] __attribute__ ((aligned (64)));
 461                   __asm__ __volatile__("xsaveopt %[b]\n" : : [b] "m" (*b) : "memory");
 462                 }
 463         ]])], [
 464                 AC_MSG_RESULT([yes])
 465                 AC_DEFINE([HAVE_XSAVEOPT], 1, [Define if host toolchain supports XSAVEOPT])
 466         ], [
 467                 AC_MSG_RESULT([no])
 468         ])
 469 ])
 470
 471 dnl #
 472 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVES
 473 dnl #
 474 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_XSAVES], [
 475         AC_MSG_CHECKING([whether host toolchain supports XSAVES])
 476
 477         AC_LINK_IFELSE([AC_LANG_SOURCE([
 478         [
 479                 void main()
 480                 {
 481                   char b[4096] __attribute__ ((aligned (64)));
 482                   __asm__ __volatile__("xsaves %[b]\n" : : [b] "m" (*b) : "memory");
 483                 }
 484         ]])], [
 485                 AC_MSG_RESULT([yes])
 486                 AC_DEFINE([HAVE_XSAVES], 1, [Define if host toolchain supports XSAVES])
 487         ], [
 488                 AC_MSG_RESULT([no])
 489         ])
 490 ])