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Diffstat (limited to 'sysdeps/vax/strcmp.s')
| -rw-r--r-- | sysdeps/vax/strcmp.s | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/sysdeps/vax/strcmp.s b/sysdeps/vax/strcmp.s deleted file mode 100644 index 479e14f301..0000000000 --- a/sysdeps/vax/strcmp.s +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (c) 1983 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. - * 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(LIBC_SCCS) && !defined(lint) - .asciz "@(#)strcmp.s 5.6 (Berkeley) 6/1/90" -#endif /* LIBC_SCCS and not lint */ - -/* - * Compare string s1 lexicographically to string s2. - * Return: - * 0 s1 == s2 - * > 0 s1 > s2 - * < 0 s2 < s2 - * - * strcmp(s1, s2) - * char *s1, *s2; - */ -#include "DEFS.h" - -ENTRY(strcmp, 0) - movl 4(ap),r1 # r1 = s1 - movl 8(ap),r3 # r3 = s2 - subb3 (r3),(r1),r0 # quick check for first char different - beql 1f # have to keep checking - cvtbl r0,r0 - ret -1: - clrl r5 # calculate min bytes to next page boundary - subb3 r1,$255,r5 # r5 = (bytes - 1) to end of page for s1 - subb3 r3,$255,r0 # r0 = (bytes - 1) to end of page for s2 - cmpb r0,r5 # r5 = min(r0, r5); - bgtru 2f - movb r0,r5 -2: - incl r5 # r5 = min bytes to next page boundary - cmpc3 r5,(r1),(r3) # compare strings - bneq 3f - subl2 r5,r1 # check if found null yet - locc $0,r5,(r1) - beql 1b # not yet done, continue checking - subl2 r0,r3 - mnegb (r3),r0 # r0 = '\0' - *s2 - cvtbl r0,r0 - ret -3: - subl2 r0,r5 # check for null in matching string - subl2 r5,r1 - locc $0,r5,(r1) - bneq 4f - subb3 (r3),(r1),r0 # r0 = *s1 - *s2 - cvtbl r0,r0 - ret -4: - clrl r0 # both the same to null - ret |