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111
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1 /* PR rtl-optimization/64316 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-O3" } */
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4 /* { dg-additional-options "-mavx2" { target { i?86-*-* x86_64-*-* } } } */
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5
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6 struct S
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7 {
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8 unsigned int s;
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9 unsigned long w[];
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10 };
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11
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12 struct S **s;
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13
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14 int
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15 foo (struct S *x, struct S *y, struct S *z)
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16 {
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17 unsigned int i;
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18 unsigned long *a, *b, *c;
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19 int r = 0;
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20 for (a = x->w, b = y->w, c = z->w, i = 0; i < x->s; i++, a++)
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21 {
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22 unsigned long d = *b++ & *c++;
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23 if (*a != d)
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24 {
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25 r = 1;
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26 *a = d;
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27 }
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28 }
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29 return r;
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30 }
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31
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32 void
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33 bar (int x)
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34 {
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35 int p = x - 1;
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36 do
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37 {
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38 foo (s[x], s[x], s[p]);
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39 p--;
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40 }
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41 while (p > 0);
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42 }
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