sysdeps/x86_64/tst-avx-aux.c

   1 /* Test case for preserved AVX registers in dynamic linker, -mavx part.
   2    Copyright (C) 2017-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <immintrin.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 int
  24 tst_avx_aux (void)
  25 {
  26 #ifdef __AVX__
  27   extern __m256i avx_test (__m256i, __m256i, __m256i, __m256i,
  28                            __m256i, __m256i, __m256i, __m256i);
  29
  30   __m256i ymm0 = _mm256_set1_epi32 (0);
  31   __m256i ymm1 = _mm256_set1_epi32 (1);
  32   __m256i ymm2 = _mm256_set1_epi32 (2);
  33   __m256i ymm3 = _mm256_set1_epi32 (3);
  34   __m256i ymm4 = _mm256_set1_epi32 (4);
  35   __m256i ymm5 = _mm256_set1_epi32 (5);
  36   __m256i ymm6 = _mm256_set1_epi32 (6);
  37   __m256i ymm7 = _mm256_set1_epi32 (7);
  38   __m256i ret = avx_test (ymm0, ymm1, ymm2, ymm3,
  39                           ymm4, ymm5, ymm6, ymm7);
  40   ymm0 =  _mm256_set1_epi32 (0x12349876);
  41   if (memcmp (&ymm0, &ret, sizeof (ret)))
  42     abort ();
  43   return 0;
  44 #else  /* __AVX__ */
  45   return 77;
  46 #endif  /* __AVX__ */
  47 }