[thirdparty/glibc.git] / sysdeps / x86_64 / fpu / s_fminf.S

/* Compute minimum of two numbers, regarding NaN as missing argument.
   Copyright (C) 2002 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <sysdep.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	2f		// then return xmm0
	movss	%xmm1, %xmm0	// otherwise return xmm1

2:	ret
END(__fminf)
weak_alias (__fminf, fminf)
Commit	Line	Data
9359218f AJ	1	/* Compute minimum of two numbers, regarding NaN as missing argument.
	2	Copyright (C) 2002 Free Software Foundation, Inc.
	3	This file is part of the GNU C Library.
	4	Contributed by Andreas Jaeger <aj@suse.de>, 2002.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
	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.
	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
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public
	17	License along with the GNU C Library; if not, write to the Free
	18	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	19	02111-1307 USA. */
	20
	21	#include <sysdep.h>
	22
	23	.text
	24	ENTRY(__fminf)
	25	ucomiss %xmm0, %xmm1
	26	jp 1f // jump if unordered
	27	minss %xmm1, %xmm0
	28	jmp 2f
	29
	30	1: ucomiss %xmm1, %xmm1 // Is xmm1 a NaN?
	31	jp 2f // then return xmm0
	32	movss %xmm1, %xmm0 // otherwise return xmm1
	33
	34	2: ret
	35	END(__fminf)
	36	weak_alias (__fminf, fminf)