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glibc/sysdeps/x86_64/ifuncmod8.c

38 lines
1.2 KiB
C

/* Test IFUNC selector with floating-point parameters.
Copyright (C) 2015-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <emmintrin.h>
void * foo_ifunc (void) __asm__ ("foo");
__asm__(".type foo, %gnu_indirect_function");
static float
foo_impl (float x)
{
return x + 1;
}
void *
inhibit_stack_protector
foo_ifunc (void)
{
__m128i xmm = _mm_set1_epi32 (-1);
asm volatile ("movdqa %0, %%xmm0" : : "x" (xmm) : "xmm0" );
return foo_impl;
}