Blame sysdeps/i386/fpu/s_fminf.S

Packit 6c4009
/* Compute minimum of two numbers, regarding NaN as missing argument.
Packit 6c4009
   Copyright (C) 1997-2018 Free Software Foundation, Inc.
Packit 6c4009
   This file is part of the GNU C Library.
Packit 6c4009
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
Packit 6c4009
Packit 6c4009
   The GNU C Library is free software; you can redistribute it and/or
Packit 6c4009
   modify it under the terms of the GNU Lesser General Public
Packit 6c4009
   License as published by the Free Software Foundation; either
Packit 6c4009
   version 2.1 of the License, or (at your option) any later version.
Packit 6c4009
Packit 6c4009
   The GNU C Library is distributed in the hope that it will be useful,
Packit 6c4009
   but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit 6c4009
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Packit 6c4009
   Lesser General Public License for more details.
Packit 6c4009
Packit 6c4009
   You should have received a copy of the GNU Lesser General Public
Packit 6c4009
   License along with the GNU C Library; if not, see
Packit 6c4009
   <http://www.gnu.org/licenses/>.  */
Packit 6c4009
Packit 6c4009
#include <sysdep.h>
Packit 6c4009
#include <libm-alias-float.h>
Packit 6c4009
Packit 6c4009
	.text
Packit 6c4009
ENTRY(__fminf)
Packit 6c4009
	flds	4(%esp)		// x
Packit 6c4009
	flds	8(%esp)		// x : y
Packit 6c4009
Packit 6c4009
	fxam
Packit 6c4009
	fnstsw
Packit 6c4009
	andb	$0x45, %ah
Packit 6c4009
	cmpb	$0x01, %ah
Packit 6c4009
	je	1f		// y == NaN
Packit 6c4009
Packit 6c4009
	fucom	%st(1)
Packit 6c4009
	fnstsw
Packit 6c4009
	sahf
Packit 6c4009
	jc	2f
Packit 6c4009
Packit 6c4009
1:	fxch	%st(1)
Packit 6c4009
2:	fstp	%st(1)
Packit 6c4009
Packit 6c4009
	ret
Packit 6c4009
END(__fminf)
Packit 6c4009
libm_alias_float (__fmin, fmin)