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comparison 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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131:84e7813d76e9 145:1830386684a0
1 /* PR tree-optimization/88709 */
2 /* { dg-do run } */
3 /* { dg-require-effective-target store_merge } */
4 /* { dg-options "-O2 -fdump-tree-store-merging-details" } */
5 /* { dg-final { scan-tree-dump "New sequence of \[12] stores to replace old one of 3 stores" "store-merging" } } */
6
7 struct S { char buf[8]; };
8
9 __attribute__((noipa)) void
10 bar (struct S *x)
11 {
12 int i;
13 for (i = 0; i < 8; i++)
14 if (x->buf[i] != ((i == 1) + (i == 3) * 2))
15 __builtin_abort ();
16 }
17
18 int
19 main ()
20 {
21 __attribute__((aligned(8))) struct S s = {};
22 s.buf[1] = 1;
23 s.buf[3] = 2;
24 bar (&s);
25 return 0;
26 }