/* Copy a sign bit between floating-point values.

   IBM extended format long double version.

   Copyright (C) 2004-2018 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

   <http://www.gnu.org/licenses/>.  */

#include <sysdep.h>

#include <math_ldbl_opt.h>

ENTRY_TOCLESS (__copysignl)

/* long double [f1,f2] copysign (long double [f1,f2] x, long double [f3,f4] y);

   copysign(x,y) returns a value with the magnitude of x and

   with the sign bit of y.  */

	stfd	fp3,-16(r1)

	ld	r3,-16(r1)

	cmpdi   r3,0

	blt     L(0)

	fmr	fp0,fp1

	fabs	fp1,fp1

	fneg	fp3,fp2

	fsel	fp2,fp0,fp2,fp3

	blr

L(0):

	fmr	fp0,fp1

	fnabs   fp1,fp1

	fneg	fp3,fp2

	fsel	fp2,fp0,fp3,fp2

	blr

END (__copysignl)

#if IS_IN (libm)

long_double_symbol (libm, __copysignl, copysignl)

#else

long_double_symbol (libc, __copysignl, copysignl)

#endif