diff options
Diffstat (limited to 'sysdeps/vax/memchr.s')
| -rw-r--r-- | sysdeps/vax/memchr.s | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/sysdeps/vax/memchr.s b/sysdeps/vax/memchr.s deleted file mode 100644 index 5c54ba8e79..0000000000 --- a/sysdeps/vax/memchr.s +++ /dev/null @@ -1,74 +0,0 @@ -/*- - * Copyright (c) 1990 The 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 "@(#)memchr.s 5.1 (Berkeley) 5/29/90" -#endif /* LIBC_SCCS and not lint */ - -/* - * Find the first occurrence of c in the memory at cp (length n). - * Return pointer to match or null pointer. - * - * This code optimises the usual case (0 < n < 65535). - * - * void * - * memchr(cp, c, n) - * char *cp, c; - * size_t n; - */ - -#include "DEFS.h" - -ENTRY(__memchr, 0) - movq 4(ap),r1 # r1 = cp; r2 = c - movl 12(ap),r0 # r0 = n - movzwl $65535,r4 # handy constant -0: - cmpl r0,r4 # check for annoying locc limit - bgtru 3f - - /* n <= 65535 */ - locc r2,r0,(r1) # search n bytes for c - beql 2f # done if not found (r0 already 0) -1: /* found character c at (r1) */ - movl r1,r0 -2: - ret - -3: /* n > 65535 */ - locc r2,r4,(r1) # search 65535 bytes for c - beql 1b # done if found - decw r0 # from 0 to 65535 - subl2 r0,r4 # adjust n - brb 0b # and loop - -weak_alias (__memchr, memchr) -#if !__BOUNDED_POINTERS__ -weak_alias (__memchr, __ubp_memchr) -#endif |