re PR tree-optimization/59014 (wrong code at -Os and above on x86_64-linux-gnu)

PR tree-optimization/59014
	* gcc.c-torture/execute/pr59014-2.c: New test.

From-SVN: r205454
This commit is contained in:
Jakub Jelinek 2013-11-27 18:03:27 +01:00 committed by Jakub Jelinek
parent e18a9b0997
commit 30f5fc6a42
2 changed files with 28 additions and 0 deletions

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2013-11-27 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/59014
* gcc.c-torture/execute/pr59014-2.c: New test.
2013-11-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/58647

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/* PR tree-optimization/59014 */
__attribute__((noinline, noclone)) long long int
foo (long long int x, long long int y)
{
if (((int) x | (int) y) != 0)
return 6;
return x + y;
}
int
main ()
{
if (sizeof (long long) == sizeof (int))
return 0;
int shift_half = sizeof (int) * __CHAR_BIT__ / 2;
long long int x = (3LL << shift_half) << shift_half;
long long int y = (5LL << shift_half) << shift_half;
long long int z = foo (x, y);
if (z != ((8LL << shift_half) << shift_half))
__builtin_abort ();
return 0;
}