On Tue, Oct 13, 2020 at 07:03:15PM +0200, Jakub Jelinek wrote:
> On Tue, Oct 13, 2020 at 11:47:10AM -0500, Segher Boessenkool wrote:
> > On Tue, Oct 13, 2020 at 09:44:25AM +0200, Jakub Jelinek wrote:
> > > The following testcases are miscompiled (the first one since my
> > > improvements
> > > to
On Tue, Oct 13, 2020 at 11:47:10AM -0500, Segher Boessenkool wrote:
> On Tue, Oct 13, 2020 at 09:44:25AM +0200, Jakub Jelinek wrote:
> > The following testcases are miscompiled (the first one since my improvements
> > to rotate discovery on GIMPLE, the other one for many years) because
> > combiner
Hi!
On Tue, Oct 13, 2020 at 09:44:25AM +0200, Jakub Jelinek wrote:
> The following testcases are miscompiled (the first one since my improvements
> to rotate discovery on GIMPLE, the other one for many years) because
> combiner optimizes nested ROTATEs with narrowing SUBREG in between (i.e.
> the
Hi!
The following testcases are miscompiled (the first one since my improvements
to rotate discovery on GIMPLE, the other one for many years) because
combiner optimizes nested ROTATEs with narrowing SUBREG in between (i.e.
the outer rotate is performed in shorter precision than the inner one) to
j