1  /* Test IFUNC selector with floating-point parameters.
       2     Copyright (C) 2015-2023 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 <emmintrin.h>
      20  
      21  void * foo_ifunc (void) __asm__ ("foo");
      22  __asm__(".type foo, %gnu_indirect_function");
      23  
      24  static float
      25  foo_impl (float x)
      26  {
      27    return x + 1;
      28  }
      29  
      30  void *
      31  inhibit_stack_protector
      32  foo_ifunc (void)
      33  {
      34    __m128i xmm = _mm_set1_epi32 (-1);
      35    asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" );
      36    return foo_impl;
      37  }