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re PR middle-end/50527 (inconsistent vla align) 

2011-10-07  Tom de Vries  <tom@codesourcery.com>

	PR middle-end/50527
	* gcc.dg/pr50527.c: New test.

From-SVN: r179656
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Tom de Vries 2011-10-07 12:49:56 +00:00 committed by Tom de Vries
parent 13e49da934
commit 8be5e1cc7d
2 changed files with 51 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2011-10-07 Tom de Vries <tom@codesourcery.com>
PR middle-end/50527
* gcc.dg/pr50527.c: New test.
2011-10-07 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/50650

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gcc/testsuite/gcc.dg/pr50527.c Normal file
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/* { dg-do run } */
/* { dg-options "-Os --param large-stack-frame=30" } */
extern void abort (void);
void __attribute__((noinline))
bar (char *a)
{
}
void __attribute__((noinline))
foo (char *a, int b)
{
}
void __attribute__((noinline))
test_align (char *p, int aligned, unsigned int mask)
{
int p_aligned = ((unsigned long int)p & mask) == 0;
if (aligned != p_aligned)
abort ();
}
int
main ()
{
const int kIterations = 4;
char results[kIterations];
int i;
unsigned int mask;
mask = 0xf;
test_align (results, ((unsigned long int)results & mask) == 0, mask);
mask = 0x7;
test_align (results, ((unsigned long int)results & mask) == 0, mask);
mask = 0x3;
test_align (results, ((unsigned long int)results & mask) == 0, mask);
mask = 0x1;
test_align (results, ((unsigned long int)results & mask) == 0, mask);
bar (results);
for (i = 0; i < kIterations; i++)
foo ("%d ", results[i]);
return 0;
}