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jeremybenn |
/* Copyright (C) 2003 Free Software Foundation.
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Ensure that builtin mempcpy and stpcpy perform correctly.
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Written by Jakub Jelinek, 21/05/2003. */
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extern void abort (void);
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typedef __SIZE_TYPE__ size_t;
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extern void *mempcpy (void *, const void *, size_t);
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extern int memcmp (const void *, const void *, size_t);
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extern int inside_main;
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long buf1[64];
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char *buf2 = (char *) (buf1 + 32);
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long buf5[20];
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char buf7[20];
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void
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__attribute__((noinline))
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test (long *buf3, char *buf4, char *buf6, int n)
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{
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int i = 0;
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/* These should probably be handled by store_by_pieces on most arches. */
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if (mempcpy (buf1, "ABCDEFGHI", 9) != (char *) buf1 + 9
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|| memcmp (buf1, "ABCDEFGHI\0", 11))
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abort ();
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if (mempcpy (buf1, "abcdefghijklmnopq", 17) != (char *) buf1 + 17
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|| memcmp (buf1, "abcdefghijklmnopq\0", 19))
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abort ();
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if (__builtin_mempcpy (buf3, "ABCDEF", 6) != (char *) buf1 + 6
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|| memcmp (buf1, "ABCDEFghijklmnopq\0", 19))
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abort ();
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if (__builtin_mempcpy (buf3, "a", 1) != (char *) buf1 + 1
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|| memcmp (buf1, "aBCDEFghijklmnopq\0", 19))
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abort ();
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if (mempcpy ((char *) buf3 + 2, "bcd" + ++i, 2) != (char *) buf1 + 4
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|| memcmp (buf1, "aBcdEFghijklmnopq\0", 19)
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|| i != 1)
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abort ();
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/* These should probably be handled by move_by_pieces on most arches. */
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if (mempcpy ((char *) buf3 + 4, buf5, 6) != (char *) buf1 + 10
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|| memcmp (buf1, "aBcdRSTUVWklmnopq\0", 19))
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abort ();
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if (__builtin_mempcpy ((char *) buf1 + ++i + 8, (char *) buf5 + 1, 1)
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!= (char *) buf1 + 11
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|| memcmp (buf1, "aBcdRSTUVWSlmnopq\0", 19)
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|| i != 2)
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abort ();
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if (mempcpy ((char *) buf3 + 14, buf6, 2) != (char *) buf1 + 16
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|| memcmp (buf1, "aBcdRSTUVWSlmnrsq\0", 19))
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abort ();
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if (mempcpy (buf3, buf5, 8) != (char *) buf1 + 8
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|| memcmp (buf1, "RSTUVWXYVWSlmnrsq\0", 19))
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abort ();
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if (mempcpy (buf3, buf5, 17) != (char *) buf1 + 17
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|| memcmp (buf1, "RSTUVWXYZ01234567\0", 19))
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abort ();
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__builtin_memcpy (buf3, "aBcdEFghijklmnopq\0", 19);
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/* These should be handled either by movmemendM or mempcpy
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call. */
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if (mempcpy ((char *) buf3 + 4, buf5, n + 6) != (char *) buf1 + 10
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|| memcmp (buf1, "aBcdRSTUVWklmnopq\0", 19))
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abort ();
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if (__builtin_mempcpy ((char *) buf1 + ++i + 8, (char *) buf5 + 1, n + 1)
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!= (char *) buf1 + 12
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|| memcmp (buf1, "aBcdRSTUVWkSmnopq\0", 19)
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|| i != 3)
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abort ();
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if (mempcpy ((char *) buf3 + 14, buf6, n + 2) != (char *) buf1 + 16
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|| memcmp (buf1, "aBcdRSTUVWkSmnrsq\0", 19))
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abort ();
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i = 1;
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/* These might be handled by store_by_pieces. */
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if (mempcpy (buf2, "ABCDEFGHI", 9) != buf2 + 9
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|| memcmp (buf2, "ABCDEFGHI\0", 11))
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abort ();
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if (mempcpy (buf2, "abcdefghijklmnopq", 17) != buf2 + 17
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|| memcmp (buf2, "abcdefghijklmnopq\0", 19))
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abort ();
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if (__builtin_mempcpy (buf4, "ABCDEF", 6) != buf2 + 6
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|| memcmp (buf2, "ABCDEFghijklmnopq\0", 19))
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abort ();
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if (__builtin_mempcpy (buf4, "a", 1) != buf2 + 1
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|| memcmp (buf2, "aBCDEFghijklmnopq\0", 19))
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abort ();
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if (mempcpy (buf4 + 2, "bcd" + i++, 2) != buf2 + 4
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|| memcmp (buf2, "aBcdEFghijklmnopq\0", 19)
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|| i != 2)
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abort ();
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/* These might be handled by move_by_pieces. */
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if (mempcpy (buf4 + 4, buf7, 6) != buf2 + 10
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|| memcmp (buf2, "aBcdRSTUVWklmnopq\0", 19))
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abort ();
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if (__builtin_mempcpy (buf2 + i++ + 8, buf7 + 1, 1)
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!= buf2 + 11
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|| memcmp (buf2, "aBcdRSTUVWSlmnopq\0", 19)
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|| i != 3)
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abort ();
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if (mempcpy (buf4 + 14, buf6, 2) != buf2 + 16
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|| memcmp (buf2, "aBcdRSTUVWSlmnrsq\0", 19))
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abort ();
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__builtin_memcpy (buf4, "aBcdEFghijklmnopq\0", 19);
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/* These should be handled either by movmemendM or mempcpy
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call. */
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if (mempcpy (buf4 + 4, buf7, n + 6) != buf2 + 10
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|| memcmp (buf2, "aBcdRSTUVWklmnopq\0", 19))
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abort ();
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if (__builtin_mempcpy (buf2 + i++ + 8, buf7 + 1, n + 1)
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!= buf2 + 12
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|| memcmp (buf2, "aBcdRSTUVWkSmnopq\0", 19)
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|| i != 4)
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abort ();
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if (mempcpy (buf4 + 14, buf6, n + 2) != buf2 + 16
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|| memcmp (buf2, "aBcdRSTUVWkSmnrsq\0", 19))
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abort ();
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}
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void
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main_test (void)
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{
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/* All these tests are allowed to call mempcpy/stpcpy. */
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inside_main = 0;
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__builtin_memcpy (buf5, "RSTUVWXYZ0123456789", 20);
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__builtin_memcpy (buf7, "RSTUVWXYZ0123456789", 20);
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test (buf1, buf2, "rstuvwxyz", 0);
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}
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