1/* Test IFUNC selector with floating-point parameters.
2 Copyright (C) 2015-2022 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
21void * foo_ifunc (void) __asm__ ("foo");
22__asm__(".type foo, %gnu_indirect_function");
23
24static float
25foo_impl (float x)
26{
27 return x + 1;
28}
29
30void *
31inhibit_stack_protector
32foo_ifunc (void)
33{
34 __m128i xmm = _mm_set1_epi32 (i: -1);
35 asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" );
36 return foo_impl;
37}
38

source code of glibc/sysdeps/x86_64/ifuncmod8.c