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pr50067-1.c: New testcase.

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2011-08-19  Richard Guenther  <rguenther@suse.de>

	* gcc.dg/torture/pr50067-1.c: New testcase.
	* gcc.dg/torture/pr50067-2.c: Likewise.

From-SVN: r177896
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Richard Guenther 2011-08-19 12:30:36 +00:00 • committed by Richard Biener
parent f6d08ab2de
commit ab37ef4cd0
3 changed files with 43 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2011-08-19 Richard Guenther <rguenther@suse.de>
* gcc.dg/torture/pr50067-1.c: New testcase.
* gcc.dg/torture/pr50067-2.c: Likewise.
2011-08-19 Joey Ye <joey.ye@arm.com>
PR target/49437

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gcc/testsuite/gcc.dg/torture/pr50067-1.c Normal file
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/* { dg-do run } */
/* Make sure data-dependence analysis does not compute a bogus
distance vector for the different sized accesses. */
extern int memcmp(const void *, const void *, __SIZE_TYPE__);
extern void abort (void);
short a[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 };
short b[32] = { 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, };
int main()
{
int i;
for (i = 0; i < 32; ++i)
(*((unsigned short(*)[32])&a[0]))[i] = (*((char(*)[32])&a[0]))[i+8];
if (memcmp (&a, &b, sizeof (a)) != 0)
abort ();
return 0;
}

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gcc/testsuite/gcc.dg/torture/pr50067-2.c Normal file
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/* { dg-do run } */
/* Make sure data-dependence analysis does not compute a bogus
distance vector for the different sized accesses. */
extern int memcmp(const void *, const void *, __SIZE_TYPE__);
extern void abort (void);
short a[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 };
short b[32] = { 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, };
int main()
{
int i;
for (i = 0; i < 32; ++i)
{
a[i] = (*((char(*)[32])&a[0]))[i+8];
}
if (memcmp (&a, &b, sizeof (a)) != 0)
abort ();
return 0;
}