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annotate gcc/testsuite/gcc.dg/store_merging_10.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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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 {
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6 unsigned int b1:1;
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7 unsigned int b2:1;
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8 unsigned int b3:1;
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9 unsigned int b4:1;
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10 unsigned int b5:1;
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11 unsigned int b6:27;
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12 };
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13
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14 struct T {
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15 unsigned int b1:1;
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16 unsigned int b2:16;
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17 unsigned int b3:14;
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18 unsigned int b4:1;
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19 };
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20
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21 __attribute__((noipa)) void
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22 foo (struct S *x)
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23 {
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24 x->b1 = 1;
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25 x->b2 = 0;
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26 x->b3 = 1;
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27 x->b4 = 1;
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28 x->b5 = 0;
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29 }
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30
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31 __attribute__((noipa)) void
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32 bar (struct T *x)
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33 {
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34 x->b1 = 1;
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35 x->b2 = 0;
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36 x->b4 = 0;
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37 }
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38
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39 struct S s = { 0, 1, 0, 0, 1, 0x3a5f05a };
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40 struct T t = { 0, 0xf5af, 0x3a5a, 1 };
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41
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42 int
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43 main ()
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44 {
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45 asm volatile ("" : : : "memory");
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46 foo (&s);
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47 bar (&t);
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48 asm volatile ("" : : : "memory");
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49 if (s.b1 != 1 || s.b2 != 0 || s.b3 != 1 || s.b4 != 1 || s.b5 != 0 || s.b6 != 0x3a5f05a)
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50 __builtin_abort ();
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51 if (t.b1 != 1 || t.b2 != 0 || t.b3 != 0x3a5a || t.b4 != 0)
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52 __builtin_abort ();
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53 return 0;
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54 }
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55
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56 /* { dg-final { scan-tree-dump-times "Merging successful" 2 "store-merging" } } */