On Monday 20 June 2011, Nicolas Pitre wrote:
> On Mon, 20 Jun 2011, Arnd Bergmann wrote:
>
> > On Saturday 18 June 2011, Nicolas Pitre wrote:
> > Well, in case of readl/writel, we need the memory clobber for other reasons:
> > They might trigger a DMA operation, or the readl might be used to wait
On Mon, 20 Jun 2011, Arnd Bergmann wrote:
> On Saturday 18 June 2011, Nicolas Pitre wrote:
> > On Fri, 17 Jun 2011, Arnd Bergmann wrote:
>
> > > If I understood Uli correctly, it should be possible to express this
> > > with gcc syntax, but of course there may be a catch somewhere.
> >
> > Yes.
== Progress ==
* Backported A5 / A15 tuning to Linaro GCC. Waiting for test results.
* T2 perf. meeting.
* Backported the neon length patch back.
* Patch for PR49385 being tested.
* Bootstraps broken yet again / upstream maintenance / test regressions.
* Waiting on Branch_cost results .
* Minor bi
Chaired the Toolchain Working group call. Michael H was unavailable (but
OK) following yet another earthquake in Christchurch.
Continued working on my widening multiplies patches. I did think for a
while there must be a logic flaw because it's using the wrong sized
inputs to instructions, but
On Saturday 18 June 2011, Nicolas Pitre wrote:
> On Fri, 17 Jun 2011, Arnd Bergmann wrote:
> I played with this a bit.
It looks like much more than a bit, thanks for the detailed analysis!
> I think that GCC might have improved on this
> front. It at least doesn't seem to produce the much sub
Michael Hope writes:
> On Sat, Jun 11, 2011 at 4:49 AM, Richard Sandiford
> wrote:
>> == This week ==
>>
>> * Experimented more with A8 and A9 tuning for auto inc/dec addresses.
>>
>> * More work on the auto inc/dec pass itself.
>>
>> * Compared the assembly output in the GCC testsuite for a rang