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/* copysign(). PowerPC64/POWER6 version.
Copyright (C) 2010-2019 Free Software Foundation, Inc.
Contributed by Luis Machado <luisgpm@br.ibm.com>.
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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <math_ldbl_opt.h>
#include <libm-alias-float.h>
#include <libm-alias-double.h>
/* double [f1] copysign (double [f1] x, double [f2] y);
copysign(x,y) returns a value with the magnitude of x and
with the sign bit of y. */
.section ".text"
.type __copysign, @function
.machine power6
ENTRY_TOCLESS (__copysign, 4)
CALL_MCOUNT 0
fcpsgn fp1,fp2,fp1
blr
END (__copysign)
hidden_def (__copysign)
libm_alias_double (__copysign, copysign)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__copysign, __copysignf)
hidden_def (__copysignf)
libm_alias_float (__copysign, copysign)
#if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
compat_symbol (libc, copysign, copysignl, GLIBC_2_0);
#endif
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