sysdeps/x86/tst-ifunc-isa-2.c

   1 /* Check IFUNC resolver with CPU_FEATURE_USABLE and tunables.
   2    Copyright (C) 2021-2023 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 <stdlib.h>
  20 #include "tst-ifunc-isa.h"
  21 #include <support/test-driver.h>
  22
  23 static int
  24 do_test (void)
  25 {
  26   /* CPU must support SSE2.  */
  27   if (!__builtin_cpu_supports ("sse2"))
  28     return EXIT_UNSUPPORTED;
  29   enum isa value = foo ();
  30   /* All ISAs, but SSE2, are disabled by tunables.  */
  31   return value == sse2 ? EXIT_SUCCESS : EXIT_FAILURE;
  32 }
  33
  34 #include <support/test-driver.c>