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annotate gcc/testsuite/gcc.dg/store_merging_11.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
131
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1 /* { dg-do run } */
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2 /* { dg-require-effective-target store_merge } */
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3 /* { dg-options "-O2 -fdump-tree-store-merging" } */
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4
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5 struct S { unsigned char b[2]; unsigned short c; unsigned char d[4]; unsigned long e; };
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6
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7 __attribute__((noipa)) void
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8 foo (struct S *p)
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9 {
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10 p->b[1] = 1;
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11 p->c = 23;
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12 p->d[0] = 4;
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13 p->d[1] = 5;
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14 p->d[2] = 6;
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15 p->d[3] = 7;
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16 p->e = 8;
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17 }
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18
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19 __attribute__((noipa)) void
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20 bar (struct S *p)
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21 {
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22 p->b[1] = 9;
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23 p->c = 112;
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24 p->d[0] = 10;
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25 p->d[1] = 11;
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26 }
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27
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28 struct S s = { { 30, 31 }, 32, { 33, 34, 35, 36 }, 37 };
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29
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30 int
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31 main ()
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32 {
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33 asm volatile ("" : : : "memory");
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34 foo (&s);
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35 asm volatile ("" : : : "memory");
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36 if (s.b[0] != 30 || s.b[1] != 1 || s.c != 23 || s.d[0] != 4 || s.d[1] != 5
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37 || s.d[2] != 6 || s.d[3] != 7 || s.e != 8)
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38 __builtin_abort ();
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39 bar (&s);
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40 asm volatile ("" : : : "memory");
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41 if (s.b[0] != 30 || s.b[1] != 9 || s.c != 112 || s.d[0] != 10 || s.d[1] != 11
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42 || s.d[2] != 6 || s.d[3] != 7 || s.e != 8)
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43 __builtin_abort ();
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44 return 0;
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45 }
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46
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47 /* { dg-final { scan-tree-dump-times "Merging successful" 2 "store-merging" } } */