mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-16 18:10:11 +00:00
52 lines
1.3 KiB
ArmAsm
52 lines
1.3 KiB
ArmAsm
/* Compute positive difference.
|
|
Copyright (C) 1997, 1999 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
.text
|
|
ENTRY(__fdim)
|
|
fldl 4(%esp) // x
|
|
fldl 12(%esp) // x : y
|
|
|
|
fucom %st(1)
|
|
fnstsw
|
|
sahf
|
|
jp 1f
|
|
|
|
fsubrp %st, %st(1)
|
|
jc 2f
|
|
|
|
fstp %st(0)
|
|
fldz
|
|
jmp 2f
|
|
|
|
1: fxam
|
|
fnstsw
|
|
andb $0x45, %ah
|
|
cmpb $0x01, %ah
|
|
je 3f
|
|
|
|
fxch
|
|
3: fstp %st(1)
|
|
|
|
2: ret
|
|
END(__fdim)
|
|
weak_alias (__fdim, fdim)
|