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Annotation of 43BSDReno/lib/libc/tahoe/string/strcmp.s, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1988 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  *
                     19:  * This code is derived from software contributed to Berkeley by
                     20:  * Computer Consoles Inc.
                     21:  */
                     22: 
                     23: #if defined(LIBC_SCCS) && !defined(lint)
                     24:        .asciz "@(#)strcmp.s    1.4 (Berkeley) 6/1/90"
                     25: #endif /* LIBC_SCCS and not lint */
                     26: 
                     27: #include "DEFS.h"
                     28: 
                     29: /*
                     30:  * Compare strings:  s1>s2: >0  s1==s2: 0  s1<s2: <0
                     31:  * 
                     32:  * strcmp(s1, s2)
                     33:  * register char *s1, *s2;
                     34: */
                     35: 
                     36: ENTRY(strcmp, 0)
                     37:        movl    4(fp),r0
                     38:        movl    8(fp),r1
                     39:        cmps2
                     40:        jgtr    greater
                     41:        jlss    less
                     42: equal: clrl    r0
                     43:        ret
                     44: less:  movl    $-1,r0
                     45:        ret
                     46: greater: movl  $1,r0
                     47:        ret

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