Hi Segher,
On 12/10/2020 12:14, Segher Boessenkool wrote:
> On Mon, Oct 12, 2020 at 05:19:58PM +0100, Richard Sandiford wrote:
> >
> > I agree there's a target bug here. Please see the explanation I posted
> > in: https://gcc.gnu.org/pipermail/gcc-patches/2020-September/554518.html
> >
On Mon, Oct 12, 2020 at 05:19:58PM +0100, Richard Sandiford wrote:
> Segher Boessenkool writes:
> > On Fri, Oct 09, 2020 at 09:38:09AM +0100, Alex Coplan wrote:
> >> Hi Segher,
> >>
> >> On 08/10/2020 15:20, Segher Boessenkool wrote:
> >> > On Thu, Oct 08, 2020 at 11:21:26AM +0100, Alex Coplan
Segher Boessenkool writes:
> On Fri, Oct 09, 2020 at 09:38:09AM +0100, Alex Coplan wrote:
>> Hi Segher,
>>
>> On 08/10/2020 15:20, Segher Boessenkool wrote:
>> > On Thu, Oct 08, 2020 at 11:21:26AM +0100, Alex Coplan wrote:
>> > > Ping. The kernel is still broken on AArch64.
>> >
>> > You
On Fri, Oct 09, 2020 at 09:38:09AM +0100, Alex Coplan wrote:
> Hi Segher,
>
> On 08/10/2020 15:20, Segher Boessenkool wrote:
> > On Thu, Oct 08, 2020 at 11:21:26AM +0100, Alex Coplan wrote:
> > > Ping. The kernel is still broken on AArch64.
> >
> > You *cannot* fix a correctness bug with a
Hi Segher,
On 08/10/2020 15:20, Segher Boessenkool wrote:
> On Thu, Oct 08, 2020 at 11:21:26AM +0100, Alex Coplan wrote:
> > Ping. The kernel is still broken on AArch64.
>
> You *cannot* fix a correctness bug with a combine addition.
On Thu, Oct 08, 2020 at 11:21:26AM +0100, Alex Coplan wrote:
> Ping. The kernel is still broken on AArch64.
You *cannot* fix a correctness bug with a combine addition. So please
fix the target bug first.
I haven't had time to look at your patch yet, sorry.
Segher
Ping. The kernel is still broken on AArch64.
On 30/09/2020 11:39, Alex Coplan via Gcc-patches wrote:
> Currently, make_extraction() identifies where we can emit an ASHIFT of
> an extend in place of an extraction, but fails to make the corresponding
> canonicalization/simplification when presented
