On 07/11/14 10:35, Richard Biener wrote:
On Fri, Nov 7, 2014 at 11:22 AM, Jiong Wang wrote:
the problem is caused by constant fold of node with TREE_CLOBBER_P be true.
according to rtl expander, the purpose of clobber is to mark the going out
of scope.
if (TREE_CLOBBER_P (rhs))
On Fri, Nov 7, 2014 at 11:22 AM, Jiong Wang wrote:
> the problem is caused by constant fold of node with TREE_CLOBBER_P be true.
>
> according to rtl expander, the purpose of clobber is to mark the going out
> of scope.
>
> if (TREE_CLOBBER_P (rhs))
> /* This is a clobber
