62 lines
2.4 KiB
ArmAsm
62 lines
2.4 KiB
ArmAsm
# Copyright (c) 1985 Regents of the University of California.
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# 3. All advertising materials mentioning features or use of this software
|
|
# must display the following acknowledgement:
|
|
# This product includes software developed by the University of
|
|
# California, Berkeley and its contributors.
|
|
# 4. Neither the name of the University nor the names of its contributors
|
|
# may be used to endorse or promote products derived from this software
|
|
# without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
.data
|
|
.align 2
|
|
;_sccsid:
|
|
;.asciz "from: @(#)infnan.s 5.5 (ucb.elefunt) 10/9/90"
|
|
_rcsid:
|
|
.asciz "$Id: infnan.s,v 1.1 1993/08/14 13:43:59 mycroft Exp $"
|
|
|
|
/*
|
|
* double infnan(arg)
|
|
* int arg;
|
|
* where arg := EDOM if result is NaN
|
|
* := ERANGE if result is +INF
|
|
* := -ERANGE if result is -INF
|
|
*
|
|
* The Reserved Operand Fault is generated inside of this routine.
|
|
*/
|
|
.globl _infnan
|
|
.set EDOM,33
|
|
.set ERANGE,34
|
|
.text
|
|
.align 2
|
|
_infnan:
|
|
.word 0x0000 # save nothing
|
|
cmpl 4(fp),$ERANGE
|
|
bneq 1f
|
|
movl $ERANGE,_errno
|
|
brb 2f
|
|
1: movl $EDOM,_errno
|
|
2: cmpf2 $0x80000000,$0x80000000 # generates the reserved operand fault
|
|
ret
|