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annotate gcc/testsuite/gcc.dg/store_merging_27.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
1830386684a0 gcc-9.2.0
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1 /* PR tree-optimization/88709 */
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2 /* { dg-do run } */
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3 /* { dg-require-effective-target store_merge } */
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4 /* { dg-options "-O2 -fdump-tree-store-merging-details" } */
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5 /* { dg-final { scan-tree-dump "New sequence of \[12] stores to replace old one of 3 stores" "store-merging" } } */
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6
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7 struct S { char buf[8]; };
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8
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9 __attribute__((noipa)) void
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10 bar (struct S *x)
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11 {
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12 int i;
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13 for (i = 0; i < 8; i++)
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14 if (x->buf[i] != ((i == 1) + (i == 3) * 2))
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15 __builtin_abort ();
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16 }
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17
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18 int
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19 main ()
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20 {
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21 __attribute__((aligned(8))) struct S s = {};
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22 s.buf[1] = 1;
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23 s.buf[3] = 2;
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24 bar (&s);
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25 return 0;
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26 }