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- /*-
- * Copyright (c) 1985 The 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.
- *
- * @(#)Kcmpf.s 7.1 (Berkeley) 12/6/90
- */
-
- #include "../tahoe/SYS.h"
-
- /*
- * cmpf(o1, o2)
- * register o1, o2;
- *{
- * if(o1 < 0) {
- * o1 ^= 0x80000000;
- * o1 = -o1;
- * }
- * if(o2 < 0) {
- * o2 ^= 0x80000000;
- * o2 = -o2;
- * }
- * if(o1 != o2)
- * return(o1>o2 ? 1 : -1);
- * return(0);
- *}
- */
- .text
- ENTRY(Kcmpf, 0)
- movl 4(fp),r12
- jgeq 1f
- xorl2 $0x80000000,r12
- mnegl r12,r12
- 1:
- movl 12(fp),r11
- jgeq 1f
- xorl2 $0x80000000,r11
- mnegl r11,r11
- 1:
- cmpl r12,r11
- jneq 1f
- clr r0; ret
- 1:
- jleq 1f
- movl $1,r0; ret
- 1:
- mnegl $1,r0; ret
-