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annotate gcc/testsuite/gcc.dg/pr44838.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* PR rtl-optimization/44838 */
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2 /* { dg-do run } */
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3 /* { dg-options "-O2 -funroll-loops" } */
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4
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5 extern void abort ();
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6
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7 void
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8 foo (int *a, int n)
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9 {
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10 int *lasta = a + n;
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11 for (; a != lasta; a++)
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12 {
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13 *a *= 2;
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14 a[1] = a[-1] + a[-2];
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15 }
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16 }
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17
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18 int a[16];
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19 int ref[16] = { 0, 1, 4, 2, 10, 12, 24, 44,
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20 72, 136, 232, 416, 736, 1296, 2304, 2032 };
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21
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22 int
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23 main ()
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24 {
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25 int i;
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26 for (i = 0; i < 16; i++)
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27 a[i] = i;
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28 foo (a + 2, 16 - 3);
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29 for (i = 0; i < 16; i++)
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30 if (ref[i] != a[i])
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31 abort ();
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32 return 0;
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33 }