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                 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                         ;;
  25         esac
  26 ])
  27
  28 dnl #
  29 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE
  30 dnl #
  31 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE], [
  32         AC_MSG_CHECKING([whether host toolchain supports SSE])
  33
  34         AC_LINK_IFELSE([AC_LANG_SOURCE([[
  35                 void main()
  36                 {
  37                         __asm__ __volatile__("xorps %xmm0, %xmm1");
  38                 }
  39         ]])], [
  40                 AC_DEFINE([HAVE_SSE], 1, [Define if host toolchain supports SSE])
  41                 AC_MSG_RESULT([yes])
  42         ], [
  43                 AC_MSG_RESULT([no])
  44         ])
  45 ])
  46
  47 dnl #
  48 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2
  49 dnl #
  50 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE2], [
  51         AC_MSG_CHECKING([whether host toolchain supports SSE2])
  52
  53         AC_LINK_IFELSE([AC_LANG_SOURCE([[
  54                 void main()
  55                 {
  56                         __asm__ __volatile__("pxor %xmm0, %xmm1");
  57                 }
  58         ]])], [
  59                 AC_DEFINE([HAVE_SSE2], 1, [Define if host toolchain supports SSE2])
  60                 AC_MSG_RESULT([yes])
  61         ], [
  62                 AC_MSG_RESULT([no])
  63         ])
  64 ])
  65
  66 dnl #
  67 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3
  68 dnl #
  69 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE3], [
  70         AC_MSG_CHECKING([whether host toolchain supports SSE3])
  71
  72         AC_LINK_IFELSE([AC_LANG_SOURCE([[
  73                 void main()
  74                 {
  75                         char v[16];
  76                         __asm__ __volatile__("lddqu %0,%%xmm0" :: "m"(v[0]));
  77                 }
  78         ]])], [
  79                 AC_DEFINE([HAVE_SSE3], 1, [Define if host toolchain supports SSE3])
  80                 AC_MSG_RESULT([yes])
  81         ], [
  82                 AC_MSG_RESULT([no])
  83         ])
  84 ])
  85
  86 dnl #
  87 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3
  88 dnl #
  89 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSSE3], [
  90         AC_MSG_CHECKING([whether host toolchain supports SSSE3])
  91
  92         AC_LINK_IFELSE([AC_LANG_SOURCE([[
  93                 void main()
  94                 {
  95                         __asm__ __volatile__("pshufb %xmm0,%xmm1");
  96                 }
  97         ]])], [
  98                 AC_DEFINE([HAVE_SSSE3], 1, [Define if host toolchain supports SSSE3])
  99                 AC_MSG_RESULT([yes])
 100         ], [
 101                 AC_MSG_RESULT([no])
 102         ])
 103 ])
 104
 105 dnl #
 106 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1
 107 dnl #
 108 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_1], [
 109         AC_MSG_CHECKING([whether host toolchain supports SSE4.1])
 110
 111         AC_LINK_IFELSE([AC_LANG_SOURCE([[
 112                 void main()
 113                 {
 114                         __asm__ __volatile__("pmaxsb %xmm0,%xmm1");
 115                 }
 116         ]])], [
 117                 AC_DEFINE([HAVE_SSE4_1], 1, [Define if host toolchain supports SSE4.1])
 118                 AC_MSG_RESULT([yes])
 119         ], [
 120                 AC_MSG_RESULT([no])
 121         ])
 122 ])
 123
 124 dnl #
 125 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2
 126 dnl #
 127 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_SSE4_2], [
 128         AC_MSG_CHECKING([whether host toolchain supports SSE4.2])
 129
 130         AC_LINK_IFELSE([AC_LANG_SOURCE([[
 131                 void main()
 132                 {
 133                         __asm__ __volatile__("pcmpgtq %xmm0, %xmm1");
 134                 }
 135         ]])], [
 136                 AC_DEFINE([HAVE_SSE4_2], 1, [Define if host toolchain supports SSE4.2])
 137                 AC_MSG_RESULT([yes])
 138         ], [
 139                 AC_MSG_RESULT([no])
 140         ])
 141 ])
 142
 143 dnl #
 144 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX
 145 dnl #
 146 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX], [
 147         AC_MSG_CHECKING([whether host toolchain supports AVX])
 148
 149         AC_LINK_IFELSE([AC_LANG_SOURCE([[
 150                 void main()
 151                 {
 152                         char v[32];
 153                         __asm__ __volatile__("vmovdqa %0,%%ymm0" :: "m"(v[0]));
 154                 }
 155         ]])], [
 156                 AC_MSG_RESULT([yes])
 157                 AC_DEFINE([HAVE_AVX], 1, [Define if host toolchain supports AVX])
 158         ], [
 159                 AC_MSG_RESULT([no])
 160         ])
 161 ])
 162
 163 dnl #
 164 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2
 165 dnl #
 166 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX2], [
 167         AC_MSG_CHECKING([whether host toolchain supports AVX2])
 168
 169         AC_LINK_IFELSE([AC_LANG_SOURCE([
 170         [
 171                 void main()
 172                 {
 173                         __asm__ __volatile__("vpshufb %ymm0,%ymm1,%ymm2");
 174                 }
 175         ]])], [
 176                 AC_MSG_RESULT([yes])
 177                 AC_DEFINE([HAVE_AVX2], 1, [Define if host toolchain supports AVX2])
 178         ], [
 179                 AC_MSG_RESULT([no])
 180         ])
 181 ])
 182
 183 dnl #
 184 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512F
 185 dnl #
 186 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512F], [
 187         AC_MSG_CHECKING([whether host toolchain supports AVX512F])
 188
 189         AC_LINK_IFELSE([AC_LANG_SOURCE([
 190         [
 191                 void main()
 192                 {
 193                         __asm__ __volatile__("vpandd %zmm0,%zmm1,%zmm2");
 194                 }
 195         ]])], [
 196                 AC_MSG_RESULT([yes])
 197                 AC_DEFINE([HAVE_AVX512F], 1, [Define if host toolchain supports AVX512F])
 198         ], [
 199                 AC_MSG_RESULT([no])
 200         ])
 201 ])
 202
 203 dnl #
 204 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512CD
 205 dnl #
 206 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512CD], [
 207         AC_MSG_CHECKING([whether host toolchain supports AVX512CD])
 208
 209         AC_LINK_IFELSE([AC_LANG_SOURCE([
 210         [
 211                 void main()
 212                 {
 213                         __asm__ __volatile__("vplzcntd %zmm0,%zmm1");
 214                 }
 215         ]])], [
 216                 AC_MSG_RESULT([yes])
 217                 AC_DEFINE([HAVE_AVX512CD], 1, [Define if host toolchain supports AVX512CD])
 218         ], [
 219                 AC_MSG_RESULT([no])
 220         ])
 221 ])
 222
 223 dnl #
 224 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512DQ
 225 dnl #
 226 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512DQ], [
 227         AC_MSG_CHECKING([whether host toolchain supports AVX512DQ])
 228
 229         AC_LINK_IFELSE([AC_LANG_SOURCE([
 230         [
 231                 void main()
 232                 {
 233                         __asm__ __volatile__("vandpd %zmm0,%zmm1,%zmm2");
 234                 }
 235         ]])], [
 236                 AC_MSG_RESULT([yes])
 237                 AC_DEFINE([HAVE_AVX512DQ], 1, [Define if host toolchain supports AVX512DQ])
 238         ], [
 239                 AC_MSG_RESULT([no])
 240         ])
 241 ])
 242
 243 dnl #
 244 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512BW
 245 dnl #
 246 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512BW], [
 247         AC_MSG_CHECKING([whether host toolchain supports AVX512BW])
 248
 249         AC_LINK_IFELSE([AC_LANG_SOURCE([
 250         [
 251                 void main()
 252                 {
 253                         __asm__ __volatile__("vpshufb %zmm0,%zmm1,%zmm2");
 254                 }
 255         ]])], [
 256                 AC_MSG_RESULT([yes])
 257                 AC_DEFINE([HAVE_AVX512BW], 1, [Define if host toolchain supports AVX512BW])
 258         ], [
 259                 AC_MSG_RESULT([no])
 260         ])
 261 ])
 262
 263 dnl #
 264 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512IFMA
 265 dnl #
 266 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512IFMA], [
 267         AC_MSG_CHECKING([whether host toolchain supports AVX512IFMA])
 268
 269         AC_LINK_IFELSE([AC_LANG_SOURCE([
 270         [
 271                 void main()
 272                 {
 273                         __asm__ __volatile__("vpmadd52luq %zmm0,%zmm1,%zmm2");
 274                 }
 275         ]])], [
 276                 AC_MSG_RESULT([yes])
 277                 AC_DEFINE([HAVE_AVX512IFMA], 1, [Define if host toolchain supports AVX512IFMA])
 278         ], [
 279                 AC_MSG_RESULT([no])
 280         ])
 281 ])
 282
 283 dnl #
 284 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VBMI
 285 dnl #
 286 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VBMI], [
 287         AC_MSG_CHECKING([whether host toolchain supports AVX512VBMI])
 288
 289         AC_LINK_IFELSE([AC_LANG_SOURCE([
 290         [
 291                 void main()
 292                 {
 293                         __asm__ __volatile__("vpermb %zmm0,%zmm1,%zmm2");
 294                 }
 295         ]])], [
 296                 AC_MSG_RESULT([yes])
 297                 AC_DEFINE([HAVE_AVX512VBMI], 1, [Define if host toolchain supports AVX512VBMI])
 298         ], [
 299                 AC_MSG_RESULT([no])
 300         ])
 301 ])
 302
 303 dnl #
 304 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF
 305 dnl #
 306 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512PF], [
 307         AC_MSG_CHECKING([whether host toolchain supports AVX512PF])
 308
 309         AC_LINK_IFELSE([AC_LANG_SOURCE([
 310         [
 311                 void main()
 312                 {
 313                         __asm__ __volatile__("vgatherpf0dps (%rsi,%zmm0,4){%k1}");
 314                 }
 315         ]])], [
 316                 AC_MSG_RESULT([yes])
 317                 AC_DEFINE([HAVE_AVX512PF], 1, [Define if host toolchain supports AVX512PF])
 318         ], [
 319                 AC_MSG_RESULT([no])
 320         ])
 321 ])
 322
 323 dnl #
 324 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER
 325 dnl #
 326 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512ER], [
 327         AC_MSG_CHECKING([whether host toolchain supports AVX512ER])
 328
 329         AC_LINK_IFELSE([AC_LANG_SOURCE([
 330         [
 331                 void main()
 332                 {
 333                         __asm__ __volatile__("vexp2pd %zmm0,%zmm1");
 334                 }
 335         ]])], [
 336                 AC_MSG_RESULT([yes])
 337                 AC_DEFINE([HAVE_AVX512ER], 1, [Define if host toolchain supports AVX512ER])
 338         ], [
 339                 AC_MSG_RESULT([no])
 340         ])
 341 ])
 342
 343 dnl #
 344 dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL
 345 dnl #
 346 AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL], [
 347         AC_MSG_CHECKING([whether host toolchain supports AVX512VL])
 348
 349         AC_LINK_IFELSE([AC_LANG_SOURCE([
 350         [
 351                 void main()
 352                 {
 353                         __asm__ __volatile__("vpabsq %zmm0,%zmm1");
 354                 }
 355         ]])], [
 356                 AC_MSG_RESULT([yes])
 357                 AC_DEFINE([HAVE_AVX512VL], 1, [Define if host toolchain supports AVX512VL])
 358         ], [
 359                 AC_MSG_RESULT([no])
 360         ])
 361 ])