sysdeps/x86_64/tst-avx512-aux.c

   1 /* Test case for preserved AVX512 registers in dynamic linker,
   2    -mavx512 part.
   3    Copyright (C) 2017-2023 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <immintrin.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 int
  25 tst_avx512_aux (void)
  26 {
  27 #ifdef __AVX512F__
  28   extern __m512i avx512_test (__m512i, __m512i, __m512i, __m512i,
  29                               __m512i, __m512i, __m512i, __m512i);
  30
  31   __m512i zmm0 = _mm512_set1_epi32 (0);
  32   __m512i zmm1 = _mm512_set1_epi32 (1);
  33   __m512i zmm2 = _mm512_set1_epi32 (2);
  34   __m512i zmm3 = _mm512_set1_epi32 (3);
  35   __m512i zmm4 = _mm512_set1_epi32 (4);
  36   __m512i zmm5 = _mm512_set1_epi32 (5);
  37   __m512i zmm6 = _mm512_set1_epi32 (6);
  38   __m512i zmm7 = _mm512_set1_epi32 (7);
  39   __m512i ret = avx512_test (zmm0, zmm1, zmm2, zmm3,
  40                              zmm4, zmm5, zmm6, zmm7);
  41   zmm0 =  _mm512_set1_epi32 (0x12349876);
  42   if (memcmp (&zmm0, &ret, sizeof (ret)))
  43     abort ();
  44   return 0;
  45 #else  /* __AVX512F__ */
  46   return 77;
  47 #endif  /* __AVX512F__ */
  48 }