glibc/sysdeps/alpha/fpu/s_fabs.c
Roland McGrath 92ed9d7ad1 2006-01-31 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/alpha/fpu/Implies: New file.
	* sysdeps/alpha/fpu/s_ceil.c: Include math_ldbl_opt.h, add
	compat_symbol if LONG_DOUBLE_COMPAT.
	* sysdeps/alpha/fpu/s_copysign.c: Likewise.
	* sysdeps/alpha/fpu/s_fabs.c: Likewise.
	* sysdeps/alpha/fpu/s_floor.c: Likewise.
	* sysdeps/alpha/fpu/s_rint.c: Likewise.
	* sysdeps/alpha/soft-fp/e_sqrtl.c: New file.
	* sysdeps/alpha/Implies: Add ieee754/ldbl-128.
2006-02-01 03:13:45 +00:00

42 lines
1.3 KiB
C

/* Copyright (C) 2000, 2006 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <math.h>
#include <math_ldbl_opt.h>
double
__fabs (double x)
{
#if __GNUC_PREREQ (2, 8)
return __builtin_fabs (x);
#else
__asm ("cpys $f31, %1, %0" : "=f" (x) : "f" (x));
return x;
#endif
}
weak_alias (__fabs, fabs)
#ifdef NO_LONG_DOUBLE
strong_alias (__fabs, __fabsl)
weak_alias (__fabs, fabsl)
#endif
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
compat_symbol (libm, __fabs, fabsl, GLIBC_2_0);
#endif