1 /* Copyright (C) 2003 Free Software Foundation.
3 Ensure that builtin mempcpy and stpcpy perform correctly.
5 Written by Jakub Jelinek, 21/05/2003. */
7 extern void abort (void);
8 typedef __SIZE_TYPE__ size_t;
9 extern void *mempcpy (void *, const void *, size_t);
10 extern int memcmp (const void *, const void *, size_t);
11 extern int inside_main;
14 char *buf2 = (char *) (buf1 + 32);
19 __attribute__((noinline))
20 test (long *buf3, char *buf4, char *buf6, int n)
24 /* These should probably be handled by store_by_pieces on most arches. */
25 if (mempcpy (buf1, "ABCDEFGHI", 9) != (char *) buf1 + 9
26 || memcmp (buf1, "ABCDEFGHI\0", 11))
29 if (mempcpy (buf1, "abcdefghijklmnopq", 17) != (char *) buf1 + 17
30 || memcmp (buf1, "abcdefghijklmnopq\0", 19))
33 if (__builtin_mempcpy (buf3, "ABCDEF", 6) != (char *) buf1 + 6
34 || memcmp (buf1, "ABCDEFghijklmnopq\0", 19))
37 if (__builtin_mempcpy (buf3, "a", 1) != (char *) buf1 + 1
38 || memcmp (buf1, "aBCDEFghijklmnopq\0", 19))
41 if (mempcpy ((char *) buf3 + 2, "bcd" + ++i, 2) != (char *) buf1 + 4
42 || memcmp (buf1, "aBcdEFghijklmnopq\0", 19)
46 /* These should probably be handled by move_by_pieces on most arches. */
47 if (mempcpy ((char *) buf3 + 4, buf5, 6) != (char *) buf1 + 10
48 || memcmp (buf1, "aBcdRSTUVWklmnopq\0", 19))
51 if (__builtin_mempcpy ((char *) buf1 + ++i + 8, (char *) buf5 + 1, 1)
53 || memcmp (buf1, "aBcdRSTUVWSlmnopq\0", 19)
57 if (mempcpy ((char *) buf3 + 14, buf6, 2) != (char *) buf1 + 16
58 || memcmp (buf1, "aBcdRSTUVWSlmnrsq\0", 19))
61 if (mempcpy (buf3, buf5, 8) != (char *) buf1 + 8
62 || memcmp (buf1, "RSTUVWXYVWSlmnrsq\0", 19))
65 if (mempcpy (buf3, buf5, 17) != (char *) buf1 + 17
66 || memcmp (buf1, "RSTUVWXYZ01234567\0", 19))
69 __builtin_memcpy (buf3, "aBcdEFghijklmnopq\0", 19);
71 /* These should be handled either by movstrendM or mempcpy
73 if (mempcpy ((char *) buf3 + 4, buf5, n + 6) != (char *) buf1 + 10
74 || memcmp (buf1, "aBcdRSTUVWklmnopq\0", 19))
77 if (__builtin_mempcpy ((char *) buf1 + ++i + 8, (char *) buf5 + 1, n + 1)
79 || memcmp (buf1, "aBcdRSTUVWkSmnopq\0", 19)
83 if (mempcpy ((char *) buf3 + 14, buf6, n + 2) != (char *) buf1 + 16
84 || memcmp (buf1, "aBcdRSTUVWkSmnrsq\0", 19))
89 /* These might be handled by store_by_pieces. */
90 if (mempcpy (buf2, "ABCDEFGHI", 9) != buf2 + 9
91 || memcmp (buf2, "ABCDEFGHI\0", 11))
94 if (mempcpy (buf2, "abcdefghijklmnopq", 17) != buf2 + 17
95 || memcmp (buf2, "abcdefghijklmnopq\0", 19))
98 if (__builtin_mempcpy (buf4, "ABCDEF", 6) != buf2 + 6
99 || memcmp (buf2, "ABCDEFghijklmnopq\0", 19))
102 if (__builtin_mempcpy (buf4, "a", 1) != buf2 + 1
103 || memcmp (buf2, "aBCDEFghijklmnopq\0", 19))
106 if (mempcpy (buf4 + 2, "bcd" + i++, 2) != buf2 + 4
107 || memcmp (buf2, "aBcdEFghijklmnopq\0", 19)
111 /* These might be handled by move_by_pieces. */
112 if (mempcpy (buf4 + 4, buf7, 6) != buf2 + 10
113 || memcmp (buf2, "aBcdRSTUVWklmnopq\0", 19))
116 if (__builtin_mempcpy (buf2 + i++ + 8, buf7 + 1, 1)
118 || memcmp (buf2, "aBcdRSTUVWSlmnopq\0", 19)
122 if (mempcpy (buf4 + 14, buf6, 2) != buf2 + 16
123 || memcmp (buf2, "aBcdRSTUVWSlmnrsq\0", 19))
126 __builtin_memcpy (buf4, "aBcdEFghijklmnopq\0", 19);
128 /* These should be handled either by movstrendM or mempcpy
130 if (mempcpy (buf4 + 4, buf7, n + 6) != buf2 + 10
131 || memcmp (buf2, "aBcdRSTUVWklmnopq\0", 19))
134 if (__builtin_mempcpy (buf2 + i++ + 8, buf7 + 1, n + 1)
136 || memcmp (buf2, "aBcdRSTUVWkSmnopq\0", 19)
140 if (mempcpy (buf4 + 14, buf6, n + 2) != buf2 + 16
141 || memcmp (buf2, "aBcdRSTUVWkSmnrsq\0", 19))
148 /* All these tests are allowed to call mempcpy/stpcpy. */
150 __builtin_memcpy (buf5, "RSTUVWXYZ0123456789", 20);
151 __builtin_memcpy (buf7, "RSTUVWXYZ0123456789", 20);
152 test (buf1, buf2, "rstuvwxyz", 0);