projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1f0502d3 | 1 | /* |
| aaea5b2e KB |
2 | * Copyright (c) 1986, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 1f0502d3 KB |
4 | * |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Computer Consoles Inc. | |
| 7 | * | |
| c0567266 KB |
8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| 1f0502d3 KB |
35 | */ |
| 36 | ||
| 37 | #if defined(SYSLIBC_SCCS) && !defined(lint) | |
| ad787160 | 38 | .asciz "@(#)cmpf.s 8.1 (Berkeley) 6/4/93" |
| 1f0502d3 | 39 | #endif /* SYSLIBC_SCCS and not lint */ |
| d09f4772 SL |
40 | |
| 41 | /* | |
| 42 | * cmpf(f1, f2) | |
| 43 | * float f1, f2; | |
| 44 | * return -1, 0, 1 as f1 <, ==, > f2 | |
| 45 | */ | |
| 46 | #include "DEFS.h" | |
| 47 | ||
| 48 | XENTRY(cmpf, 0) | |
| 49 | cmpl 4(fp),12(fp) | |
| 50 | jneq 1f | |
| 51 | clrl r0 | |
| 52 | ret | |
| 53 | 1: | |
| 54 | movl 4(fp),r0 | |
| 55 | jgeq 1f | |
| 56 | xorl2 $0x80000000,r0 | |
| 57 | mnegl r0,r0 | |
| 58 | 1: | |
| 59 | movl 12(fp),r1 | |
| 60 | jgeq 1f | |
| 61 | xorl2 $0x80000000,r1 | |
| 62 | mnegl r1,r1 | |
| 63 | 1: | |
| 64 | cmpl r0,r1 | |
| 65 | jleq 1f | |
| 66 | movl $1,r0 | |
| 67 | ret | |
| 68 | 1: | |
| 69 | mnegl $1,r0 | |
| 70 | ret |