1/*-
2 * Copyright (c) 2003 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <machine/asm.h>
| 1/*-
2 * Copyright (c) 2003 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <machine/asm.h>
|
29
30/*
31 * wchar_t *
32 * wcschr(const wchar_t *s, wchar_t c) --
33 * Return pointer to first occurrence of the character `c' in the wide
34 * character string `s', or NULL if not found.
35 */
36ENTRY(wcschr)
37 movl 4(%esp),%ecx /* String */
38 movl 8(%esp),%eax /* Character */
39 pushl %ebx
40.p2align 4,0x90
41L1: movl (%ecx),%ebx
42 cmpl %eax,%ebx
43 je found0
44 testl %ebx,%ebx
45 jz no
46 movl 4(%ecx),%ebx
47 cmpl %eax,%ebx
48 je found1
49 testl %ebx,%ebx
50 jz no
51 movl 8(%ecx),%ebx
52 cmpl %eax,%ebx
53 je found2
54 testl %ebx,%ebx
55 jz no
56 movl 12(%ecx),%ebx
57 cmpl %eax,%ebx
58 je found3
59 testl %ebx,%ebx
60 jz no
61 leal 16(%ecx),%ecx
62 jmp L1
63.p2align 2,0x90
64found3: leal 4(%ecx),%ecx
65.p2align 2,0x90
66found2: leal 4(%ecx),%ecx
67.p2align 2,0x90
68found1: leal 4(%ecx),%ecx
69.p2align 2,0x90
70found0: popl %ebx
71 movl %ecx,%eax
72 ret
73.p2align 2,0x90
74no: popl %ebx
75 xorl %eax,%eax
76 ret
| 29
30/*
31 * wchar_t *
32 * wcschr(const wchar_t *s, wchar_t c) --
33 * Return pointer to first occurrence of the character `c' in the wide
34 * character string `s', or NULL if not found.
35 */
36ENTRY(wcschr)
37 movl 4(%esp),%ecx /* String */
38 movl 8(%esp),%eax /* Character */
39 pushl %ebx
40.p2align 4,0x90
41L1: movl (%ecx),%ebx
42 cmpl %eax,%ebx
43 je found0
44 testl %ebx,%ebx
45 jz no
46 movl 4(%ecx),%ebx
47 cmpl %eax,%ebx
48 je found1
49 testl %ebx,%ebx
50 jz no
51 movl 8(%ecx),%ebx
52 cmpl %eax,%ebx
53 je found2
54 testl %ebx,%ebx
55 jz no
56 movl 12(%ecx),%ebx
57 cmpl %eax,%ebx
58 je found3
59 testl %ebx,%ebx
60 jz no
61 leal 16(%ecx),%ecx
62 jmp L1
63.p2align 2,0x90
64found3: leal 4(%ecx),%ecx
65.p2align 2,0x90
66found2: leal 4(%ecx),%ecx
67.p2align 2,0x90
68found1: leal 4(%ecx),%ecx
69.p2align 2,0x90
70found0: popl %ebx
71 movl %ecx,%eax
72 ret
73.p2align 2,0x90
74no: popl %ebx
75 xorl %eax,%eax
76 ret
|