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111
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1 /* { dg-additional-options "-fdump-tree-cunroll-details" } */
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2
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3 #include "tree-vect.h"
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4
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5 int ii[32];
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131
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6 struct { char a; char b[66]; } cc = { 0,
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111
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7 { 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0,
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8 10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 0, 16, 0, 17, 0, 18, 0, 19, 0,
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9 20, 0, 21, 0, 22, 0, 23, 0, 24, 0, 25, 0, 26, 0, 27, 0, 28, 0, 29, 0,
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131
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10 30, 0, 31, 0 }
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11 };
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111
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12
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13 void __attribute__((noinline,noclone))
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14 foo (int s)
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15 {
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16 int i;
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17 for (i = 0; i < s; i++)
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131
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18 ii[i] = (int) cc.b[i*2];
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111
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19 }
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20
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21 int main (int argc, const char **argv)
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22 {
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23 int i;
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24 check_vect ();
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25 foo (32);
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26 for (i = 0; i < 32; i++)
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27 if (ii[i] != i)
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28 __builtin_abort ();
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29 }
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30
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31 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { target { i?86-*-* x86_64-*-* } } } } */
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32 /* { dg-final { scan-tree-dump "loop turned into non-loop; it never loops" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */
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33 /* { dg-final { scan-tree-dump-not "loop with 2 iterations completely unrolled" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */
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