[thirdparty/glibc.git] / sysdeps / i386 / i686 / fpu / s_fminf.S

/* Compute minimum of two numbers, regarding NaN as missing argument.
   Copyright (C) 1997-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.

   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>

	.text
ENTRY(__fminf)
	flds	4(%esp)		// x
	flds	8(%esp)		// x : y

	fucomi	%st(0), %st
	fcmovu	%st(1), %st	// now %st contains y if not NaN, x otherwise

	fucomi	%st(1), %st
	fcmovnb	%st(1), %st

	fstp	%st(1)

	ret
END(__fminf)
weak_alias (__fminf, fminf)
Commit	Line	Data
6973fc01	1	/* Compute minimum of two numbers, regarding NaN as missing argument.
d4697bc9	2	Copyright (C) 1997-2014 Free Software Foundation, Inc.
6973fc01 UD	3	This file is part of the GNU C Library.
	4	Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
6973fc01 UD	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	14	Lesser General Public License for more details.
6973fc01	15
41bdb6e2	16	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	17	License along with the GNU C Library; if not, see
59ba27a6 PE	18	<http://www.gnu.org/licenses/>. */
6973fc01 UD	19
	20	#include <sysdep.h>
	21
	22	.text
	23	ENTRY(__fminf)
	24	flds 4(%esp) // x
	25	flds 8(%esp) // x : y
	26
	27	fucomi %st(0), %st
	28	fcmovu %st(1), %st // now %st contains y if not NaN, x otherwise
	29
	30	fucomi %st(1), %st
838e5ffe	31	fcmovnb %st(1), %st
6973fc01 UD	32
	33	fstp %st(1)
	34
	35	ret
	36	END(__fminf)
	37	weak_alias (__fminf, fminf)