glibc/sysdeps/x86_64/fpu/s_fmaxl.S
Andreas Jaeger 9359218f0f Update.
2002-07-06  Andreas Jaeger  <aj@suse.de>

	* sysdeps/x86_64/fpu/bits/mathinline.h: New.
	* sysdeps/x86_64/fpu/s_copysign.S: New.
	* sysdeps/x86_64/fpu/s_copysignf.S: New.
	* sysdeps/x86_64/fpu/s_copysignl.S: New.
	* sysdeps/x86_64/fpu/s_finitel.S: New.
	* sysdeps/x86_64/fpu/s_fmax.S: New.
	* sysdeps/x86_64/fpu/s_fmaxf.S: New.
	* sysdeps/x86_64/fpu/s_fmaxl.S: New.
	* sysdeps/x86_64/fpu/s_fmin.S: New.
	* sysdeps/x86_64/fpu/s_fminf.S: New.
	* sysdeps/x86_64/fpu/s_fminl.S: New.
2002-07-06 15:07:30 +00:00

41 lines
1.2 KiB
ArmAsm

/* Compute maximum of two numbers, regarding NaN as missing argument.
Copyright (C) 1997, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
.text
ENTRY(__fmaxl)
fldt 8(%rsp) // x
fldt 24(%rsp) // x : y
fucomi %st(0), %st
fcmovu %st(1), %st // now %st contains y if not NaN, x otherwise
fxch
fucomi %st(1), %st
fcmovb %st(1), %st
fstp %st(1)
ret
END(__fmaxl)
weak_alias (__fmaxl, fmaxl)