glibc/sysdeps/sparc/sparc64/fpu/s_copysign.S

/* copysign function, sparc64 version.
   Copyright (C) 2012-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by David S. Miller <davem@davemloft.net>, 2012.

   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>

ENTRY (__copysign)
	fzeros	%f7
	fnegs	%f7, %f7
	fands	%f2, %f7, %f9
	fandnot2s %f0, %f7, %f0
	retl
	 fors	%f0, %f9, %f0
END (__copysign)
weak_alias (__copysign, copysign)