Segher Boessenkool writes:
> Hi!
>
> On Thu, May 28, 2020 at 04:22:16PM +0200, Richard Biener wrote:
>> For GIMPLE level transforms I don't think targets have more knowledge
>> than the middle-end.
>
> Yes, certainly.
>
>> In fact GIMPLE complete unrolling is about
>> secondary effects, removing
Hi!
On Thu, May 28, 2020 at 04:22:16PM +0200, Richard Biener wrote:
> For GIMPLE level transforms I don't think targets have more knowledge
> than the middle-end.
Yes, certainly.
> In fact GIMPLE complete unrolling is about
> secondary effects, removing redundancies and abstraction. So IMHO
> t
On Tue, May 26, 2020 at 6:58 AM Jiufu Guo wrote:
>
> David Edelsohn writes:
>
> > On Mon, May 25, 2020 at 1:58 PM Richard Biener
> > wrote:
> >>
> >> On May 25, 2020 7:40:00 PM GMT+02:00, Segher Boessenkool
> >> wrote:
> >> >On Mon, May 25, 2020 at 02:14:02PM +0200, Richard Biener wrote:
> >>
David Edelsohn writes:
> On Mon, May 25, 2020 at 1:58 PM Richard Biener
> wrote:
>>
>> On May 25, 2020 7:40:00 PM GMT+02:00, Segher Boessenkool
>> wrote:
>> >On Mon, May 25, 2020 at 02:14:02PM +0200, Richard Biener wrote:
>> >> On Mon, May 25, 2020 at 1:10 PM guojiufu
>> >wrote:
>> >> Since a
On Mon, May 25, 2020 at 07:58:09PM +0200, Richard Biener wrote:
> You folks made ppc specific hacks instead of a better design. Those now stand
> in the way as well. But sure, simply do not expose the flag to the users, use
> Var(flag_rtl_unroll_loops). My other points still stand.
>
> Feel free
On Mon, May 25, 2020 at 1:58 PM Richard Biener
wrote:
>
> On May 25, 2020 7:40:00 PM GMT+02:00, Segher Boessenkool
> wrote:
> >On Mon, May 25, 2020 at 02:14:02PM +0200, Richard Biener wrote:
> >> On Mon, May 25, 2020 at 1:10 PM guojiufu
> >wrote:
> >> Since a new flag is not needed to fix the r
On May 25, 2020 7:40:00 PM GMT+02:00, Segher Boessenkool
wrote:
>On Mon, May 25, 2020 at 02:14:02PM +0200, Richard Biener wrote:
>> On Mon, May 25, 2020 at 1:10 PM guojiufu
>wrote:
>> Since a new flag is not needed to fix the regression please avoid
>> adding -fcomplete-unroll-loops.
>>
>> For
On Mon, May 25, 2020 at 02:14:02PM +0200, Richard Biener wrote:
> On Mon, May 25, 2020 at 1:10 PM guojiufu wrote:
> Since a new flag is not needed to fix the regression please avoid
> adding -fcomplete-unroll-loops.
>
> For -frtl-unroll-loops you should be able to use
Erm. That *is* a new comma
On Mon, May 25, 2020 at 1:10 PM guojiufu wrote:
>
> Currently option -funroll-loops controls both GIMPLE unroler and
> RTL unroller. It is not able to control GIMPLE cunroller and
> RTL unroller independently. This patch introducing different flags
> to control them seperately, and this also prov
Currently option -funroll-loops controls both GIMPLE unroler and
RTL unroller. It is not able to control GIMPLE cunroller and
RTL unroller independently. This patch introducing different flags
to control them seperately, and this also provide more freedom to
tune one of them without affecting anot
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