BSD 4_3_Net_2 release
[unix-history] / usr / src / lib / libc / tahoe / fpe / cmpd.s
/*
* Copyright (c) 1986 Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Computer Consoles Inc.
*
* 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.
*/
#if defined(SYSLIBC_SCCS) && !defined(lint)
.asciz "@(#)cmpd.s 1.4 (Berkeley) 6/1/90"
#endif /* SYSLIBC_SCCS and not lint */
#include "DEFS.h"
XENTRY(cmpd, R12|R11|R10|R9)
movl 4(fp),r12
movl 8(fp),r10
movl 12(fp),r11
movl 16(fp),r9
tstl r12
jgeq L16
xorl2 $-2147483648,r12
tstl r10
jeql L17
mnegl r10,r10
mcoml r12,r12
jbr L16
L17: mnegl r12,r12
L16: tstl r11
jgeq L19
xorl2 $-2147483648,r11
tstl r9
jeql L20
mnegl r9,r9
mcoml r11,r11
jbr L19
L20: mnegl r11,r11
L19: cmpl r12,r11
jeql L22
cmpl r12,r11
jleq L9999
movl $1,r0
jbr L9998
L9999: mnegl $1,r0
L9998: ret
L22: cmpl r10,r9
jeql L23
cmpl r10,r9
jlequ L9997
movl $1,r0
jbr L9996
L9997: mnegl $1,r0
L9996: ret
L23: clrl r0
ret