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testsuite: Add testcase for already fixed PR [PR94573]

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2020-04-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/94573
	* gcc.dg/store_merging_30.c: New test.
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Jakub Jelinek 2020-04-14 16:14:47 +02:00
parent f65cecabc3
commit 66b8801141
2 changed files with 26 additions and 1 deletions
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7
gcc/testsuite/ChangeLog
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@ -1,4 +1,9 @@
2020-04-14 Yang Yang <yangyang305@huawei.com>
2020-04-14 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/94573
* gcc.dg/store_merging_30.c: New test.
2020-04-14 Yang Yang <yangyang305@huawei.com>
PR tree-optimization/94574
* gcc.dg/pr94574.c: New test.

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gcc/testsuite/gcc.dg/store_merging_30.c Normal file
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/* PR tree-optimization/94573 */
/* { dg-do compile } */
/* { dg-require-effective-target store_merge } */
/* { dg-options "-O2 -fdump-tree-store-merging-details" } */
/* { dg-final { scan-tree-dump "New sequence of 4 stores to replace old one of 8 stores" "store-merging" { target lp64 } } } */
int var[43][12];
void
foo (int x)
{
var[x][0] = 0;
var[x][1] = 0;
var[x][2] = 0;
var[x][3] = 0;
var[x][4] = 0;
var[x][5] = 0;
var[x][6] = 0;
var[x][7] = 0;
}