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annotate gcc/testsuite/gcc.dg/store_merging_3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* { dg-do compile } */
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2 /* { dg-require-effective-target non_strict_align } */
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3 /* { dg-options "-O2 -fdump-tree-store-merging-details" } */
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4
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5 /* Make sure stores to volatile addresses don't get combined with
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6 other accesses. */
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7
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8 struct bar
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9 {
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10 int a;
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11 char b;
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12 char c;
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13 volatile short d;
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14 char e;
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15 char f;
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16 char g;
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17 };
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18
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19 void
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20 foozero (struct bar *p)
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21 {
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22 p->b = 0xa;
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23 p->a = 0xb;
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24 p->c = 0xc;
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25 p->d = 0;
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26 p->e = 0xd;
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27 p->f = 0xe;
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28 p->g = 0xf;
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29 }
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30
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31 /* { dg-final { scan-tree-dump "Volatile access terminates all chains" "store-merging" } } */
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32 /* { dg-final { scan-tree-dump-times "=\{v\} 0;" 1 "store-merging" } } */