glibc/sysdeps/alpha/fpu/s_fabsf.c
2012-03-09 23:56:38 +00:00

33 lines
1.0 KiB
C

/* Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson.
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
<http://www.gnu.org/licenses/>. */
#include <math.h>
float
__fabsf (float x)
{
#if __GNUC_PREREQ (2, 8)
return __builtin_fabsf (x);
#else
__asm ("cpys $f31, %1, %0" : "=f" (x) : "f" (x));
return x;
#endif
}
weak_alias (__fabsf, fabsf)