/* Compute minimum of two numbers, regarding NaN as missing argument.

   Copyright (C) 2002-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Andreas Jaeger <aj@suse.de>, 2002.

   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 <libm-alias-float.h>

	.text

ENTRY(__fminf)

	ucomiss	%xmm0, %xmm1

	jp	1f		// jump if unordered

	minss	%xmm1, %xmm0

	jmp	2f

1:	ucomiss	%xmm1, %xmm1	// Is xmm1 a NaN?

	jp	3f

	// xmm0 is a NaN; xmm1 is not.  Test if xmm0 is signaling.

	movss	%xmm0, -4(%rsp)

	testb	$0x40, -2(%rsp)

	jz	4f

	movss	%xmm1, %xmm0	// otherwise return xmm1

	ret

3:	// xmm1 is a NaN; xmm0 may or may not be.

	ucomiss	%xmm0, %xmm0

	jp	4f

	// xmm1 is a NaN; xmm0 is not.  Test if xmm1 is signaling.

	movss	%xmm1, -4(%rsp)

	testb	$0x40, -2(%rsp)

	jz	4f

	ret

4:	// Both arguments are NaNs, or one is a signaling NaN.

	addss	%xmm1, %xmm0

2:	ret

END(__fminf)

libm_alias_float (__fmin, fmin)