mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-13 16:50:06 +00:00
7ff2ba908a
2004-09-29 Jakub Jelinek <jakub@redhat.com> * sysdeps/i386/fpu/s_fdim.S (__fdim): Handle +inf/+inf. * sysdeps/i386/fpu/s_fdimf.S (__fdimf): Likewise. * sysdeps/i386/fpu/s_fdiml.S (__fdiml): Likewise. 004-09-29 Ulrich Drepper <drepper@redhat.com>
53 lines
1.2 KiB
ArmAsm
53 lines
1.2 KiB
ArmAsm
/* Compute positive difference.
|
|
Copyright (C) 1997, 1999, 2004 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(__fdiml)
|
|
fldt 4(%esp) // x
|
|
fldt 16(%esp) // x : y
|
|
|
|
fucom %st(1)
|
|
fnstsw
|
|
sahf
|
|
jp 1f
|
|
|
|
jc 3f
|
|
|
|
fstp %st(1)
|
|
fldz
|
|
jmp 2f
|
|
|
|
3: fsubrp %st, %st(1)
|
|
ret
|
|
|
|
1: fxam
|
|
fnstsw
|
|
andb $0x45, %ah
|
|
cmpb $0x01, %ah
|
|
je 2f
|
|
|
|
fxch
|
|
2: fstp %st(1)
|
|
ret
|
|
END(__fdiml)
|
|
weak_alias (__fdiml, fdiml)
|