On 2014-03-25, 12:14 PM, Marek Polacek wrote:
This is a temporary fix for UB in IRA, where ubsan complains because
there's signed iteger overflow in the multiplication. To shut this
error up, we can perform the multiplication in unsigned and only then
cast the result of the multiplication to int.
Regtested/bootstrapped on x86_64-linux, ok for trunk?
Ok. Thanks, Marek.
2014-03-25 Marek Polacek <pola...@redhat.com>
PR other/59545
* ira-color.c (update_conflict_hard_regno_costs): Perform the
multiplication in unsigned type.
