On Thu, Apr 24, 2014 at 09:20:50PM -0600, Jeff Law wrote:
> > PR tree-optimization/60930
> > * gcc.dg/torture/pr60930.c: New test.
> Doesn't the test depend on long long being at least 64 bits?
But that is guaranteed by C99, isn't it?
5.2.4.2.1 says:
... Their implementation-defined values shall be equal or greater in magnitude
(absolute value) to those shown, with the same sign.
...
- maximum value for an object of type unsigned long long int ULLONG_MAX
18446744073709551615 // 2 64 − 1
>
> What we've done for these kinds of tests in the past is:
>
> if (sizeof (whatever) < needed size)
> exit (0);
>
> Another approach would be to use an effective target test and skip
> the test if the target doesn't have a suitable long long. Look in
> testsuite/lib/target-supports.exp for the various target
If it was some other type, sure, one could use int32plus, lp64, etc.
target, or #if __SIZEOF_type__ == ...
Jakub
