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annotate gcc/testsuite/gcc.dg/vect/pr85586.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 #define N 100
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2
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3 void __attribute__ ((noipa))
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4 foo (int *out, int *in, int step)
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5 {
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6 for (int i = 0; i < N; ++i)
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7 {
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8 out[0] = in[i];
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9 out[1] = 2;
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10 out += step;
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11 }
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12 }
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13
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14 int in[N];
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15 int out[N * 2];
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16
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17 int
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18 main (void)
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19 {
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20 for (int i = 0; i < N; ++i)
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21 {
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22 in[i] = i * (i + 1);
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23 asm volatile ("" ::: "memory");
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24 }
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25
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26 foo (out, in, 1);
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27 for (int i = 0; i < N; ++i)
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28 if (out[i] != in[i])
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29 __builtin_abort ();
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30 if (out[N] != 2)
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31 __builtin_abort ();
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32
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33 foo (out + N - 1, in, -1);
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34 if (out[0] != in[N - 1])
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35 __builtin_abort ();
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36 for (int i = 1; i <= N; ++i)
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37 if (out[i] != 2)
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38 __builtin_abort ();
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39
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40 return 0;
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41 }
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42
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43 /* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 1 "vect" { target { { ! vect_no_align } && vect_int } } } } */