1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* Copyright (C) 2003 Free Software Foundation.
Ensure that builtin mempcpy and stpcpy perform correctly.
Written by Jakub Jelinek, 21/05/2003. */
extern void abort (void);
typedef __SIZE_TYPE__ size_t;
extern void *mempcpy (void *, const void *, size_t);
extern int memcmp (const void *, const void *, size_t);
extern int inside_main;
long buf1[64];
char *buf2 = (char *) (buf1 + 32);
long buf5[20];
char buf7[20];
void
__attribute__((noinline))
test (long *buf3, char *buf4, char *buf6, int n)
{
int i = 0;
/* These should probably be handled by store_by_pieces on most arches. */
if (mempcpy (buf1, "ABCDEFGHI", 9) != (char *) buf1 + 9
|| memcmp (buf1, "ABCDEFGHI\0", 11))
abort ();
if (mempcpy (buf1, "abcdefghijklmnopq", 17) != (char *) buf1 + 17
|| memcmp (buf1, "abcdefghijklmnopq\0", 19))
abort ();
if (__builtin_mempcpy (buf3, "ABCDEF", 6) != (char *) buf1 + 6
|| memcmp (buf1, "ABCDEFghijklmnopq\0", 19))
abort ();
if (__builtin_mempcpy (buf3, "a", 1) != (char *) buf1 + 1
|| memcmp (buf1, "aBCDEFghijklmnopq\0", 19))
abort ();
if (mempcpy ((char *) buf3 + 2, "bcd" + ++i, 2) != (char *) buf1 + 4
|| memcmp (buf1, "aBcdEFghijklmnopq\0", 19)
|| i != 1)
abort ();
/* These should probably be handled by move_by_pieces on most arches. */
if (mempcpy ((char *) buf3 + 4, buf5, 6) != (char *) buf1 + 10
|| memcmp (buf1, "aBcdRSTUVWklmnopq\0", 19))
abort ();
if (__builtin_mempcpy ((char *) buf1 + ++i + 8, (char *) buf5 + 1, 1)
!= (char *) buf1 + 11
|| memcmp (buf1, "aBcdRSTUVWSlmnopq\0", 19)
|| i != 2)
abort ();
if (mempcpy ((char *) buf3 + 14, buf6, 2) != (char *) buf1 + 16
|| memcmp (buf1, "aBcdRSTUVWSlmnrsq\0", 19))
abort ();
if (mempcpy (buf3, buf5, 8) != (char *) buf1 + 8
|| memcmp (buf1, "RSTUVWXYVWSlmnrsq\0", 19))
abort ();
if (mempcpy (buf3, buf5, 17) != (char *) buf1 + 17
|| memcmp (buf1, "RSTUVWXYZ01234567\0", 19))
abort ();
__builtin_memcpy (buf3, "aBcdEFghijklmnopq\0", 19);
/* These should be handled either by movmemendM or mempcpy
call. */
if (mempcpy ((char *) buf3 + 4, buf5, n + 6) != (char *) buf1 + 10
|| memcmp (buf1, "aBcdRSTUVWklmnopq\0", 19))
abort ();
if (__builtin_mempcpy ((char *) buf1 + ++i + 8, (char *) buf5 + 1, n + 1)
!= (char *) buf1 + 12
|| memcmp (buf1, "aBcdRSTUVWkSmnopq\0", 19)
|| i != 3)
abort ();
if (mempcpy ((char *) buf3 + 14, buf6, n + 2) != (char *) buf1 + 16
|| memcmp (buf1, "aBcdRSTUVWkSmnrsq\0", 19))
abort ();
i = 1;
/* These might be handled by store_by_pieces. */
if (mempcpy (buf2, "ABCDEFGHI", 9) != buf2 + 9
|| memcmp (buf2, "ABCDEFGHI\0", 11))
abort ();
if (mempcpy (buf2, "abcdefghijklmnopq", 17) != buf2 + 17
|| memcmp (buf2, "abcdefghijklmnopq\0", 19))
abort ();
if (__builtin_mempcpy (buf4, "ABCDEF", 6) != buf2 + 6
|| memcmp (buf2, "ABCDEFghijklmnopq\0", 19))
abort ();
if (__builtin_mempcpy (buf4, "a", 1) != buf2 + 1
|| memcmp (buf2, "aBCDEFghijklmnopq\0", 19))
abort ();
if (mempcpy (buf4 + 2, "bcd" + i++, 2) != buf2 + 4
|| memcmp (buf2, "aBcdEFghijklmnopq\0", 19)
|| i != 2)
abort ();
/* These might be handled by move_by_pieces. */
if (mempcpy (buf4 + 4, buf7, 6) != buf2 + 10
|| memcmp (buf2, "aBcdRSTUVWklmnopq\0", 19))
abort ();
if (__builtin_mempcpy (buf2 + i++ + 8, buf7 + 1, 1)
!= buf2 + 11
|| memcmp (buf2, "aBcdRSTUVWSlmnopq\0", 19)
|| i != 3)
abort ();
if (mempcpy (buf4 + 14, buf6, 2) != buf2 + 16
|| memcmp (buf2, "aBcdRSTUVWSlmnrsq\0", 19))
abort ();
__builtin_memcpy (buf4, "aBcdEFghijklmnopq\0", 19);
/* These should be handled either by movmemendM or mempcpy
call. */
if (mempcpy (buf4 + 4, buf7, n + 6) != buf2 + 10
|| memcmp (buf2, "aBcdRSTUVWklmnopq\0", 19))
abort ();
if (__builtin_mempcpy (buf2 + i++ + 8, buf7 + 1, n + 1)
!= buf2 + 12
|| memcmp (buf2, "aBcdRSTUVWkSmnopq\0", 19)
|| i != 4)
abort ();
if (mempcpy (buf4 + 14, buf6, n + 2) != buf2 + 16
|| memcmp (buf2, "aBcdRSTUVWkSmnrsq\0", 19))
abort ();
}
void
main_test (void)
{
/* All these tests are allowed to call mempcpy/stpcpy. */
inside_main = 0;
__builtin_memcpy (buf5, "RSTUVWXYZ0123456789", 20);
__builtin_memcpy (buf7, "RSTUVWXYZ0123456789", 20);
test (buf1, buf2, "rstuvwxyz", 0);
}
|
