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111
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1 /* PR c/78408 */
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2 /* { dg-do compile { target size32plus } } */
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3 /* { dg-options "-O2 -fdump-tree-fab1-details" } */
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4 /* { dg-final { scan-tree-dump-not "after previous" "fab1" } } */
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5
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6 struct S { char a[32]; };
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7 struct T { char a[65536]; };
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8 void bar (int, struct S *, struct S *, struct T *, struct T *);
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9 void baz (char *, char *);
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10
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11 void
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12 f1 (void)
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13 {
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14 struct S a, b;
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15 struct T c, d;
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16 __builtin_memset (&b, 2, sizeof (b));
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17 a = b;
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18 __builtin_memset (&d, 3, sizeof (d));
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19 c = d;
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20 bar (3, &a, &b, &c, &d);
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21 }
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22
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23 void
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24 f2 (void)
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25 {
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26 char a[64], b[64];
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27 __builtin_memset (a + 13, 2, 27);
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28 __builtin_memcpy (b + 4, a + 17, 24);
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29 baz (a, b);
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30 }
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31
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32 void
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33 f3 (void)
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34 {
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35 char a[64], b[64];
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36 __builtin_memset (a + 13, 2, 27);
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37 __builtin_memcpy (b + 4, a + 12, 5);
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38 baz (a, b);
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39 }
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