/* 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(__fabsl)

/* long double [f1,f2] fabs (long double [f1,f2] x);

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

   with the sign bit of y.  */

#ifdef _ARCH_PPCGR

	/* fsel available.  */

	fmr	fp0,fp1

#else

	/* Use integer operations to test sign of high part to avoid

	   exceptions on sNaNs.  */

	stwu	r1,-16(r1)

	cfi_adjust_cfa_offset (16)

	stfd	fp1,8(r1)

#endif

	fabs	fp1,fp1

#ifdef _ARCH_PPCGR

	fneg	fp3,fp2

	fsel	fp2,fp0,fp2,fp3

#else

	lwz	r3,8+HIWORD(r1)

	cmpwi	cr6,r3,0

	addi	r1,r1,16

	cfi_adjust_cfa_offset (-16)

	bgelr	cr6

	fneg	fp2,fp2

#endif

	blr

END (__fabsl)

long_double_symbol (libm, __fabsl, fabsl)