On Mon, Sep 12, 2016 at 10:33:22AM -0600, Jeff Law wrote: > The answer is to debug the problem, and yes it may be painful.
Yes, the three weeks pretty much full-time I spent on that already attest to that. > I'd > probably start by fixing the dataflow issues and see if that fixes the > regrename thing as a side effect. Have you seen https://gcc.gnu.org/ml/gcc-patches/2016-07/msg00091.html ? > I think enabling regrename by default is the right thing to do long term. Then rs6000 (and many other ports probably) will just turn it off again. It is actively harmful. Segher
