On November 30, 2017 7:14:12 PM GMT+01:00, Jan Hubicka wrote:
>>
>> I have benchmarked this quite thoroughly while switching the defaults
>for Core
>> and Zen. Disabling alignment is pretty much consistent for
>specfp/int for
>> 2000,2006 and 2017 (last is Zen only) and quite consistent one. I
>
> I have benchmarked this quite thoroughly while switching the defaults for Core
> and Zen. Disabling alignment is pretty much consistent for specfp/int for
> 2000,2006 and 2017 (last is Zen only) and quite consistent one. I will
> analyze
> fma3d. It did not show with the alignment change al
> On Thu, Nov 30, 2017 at 10:40 AM, Jan Hubicka wrote:
> > Hi,
> > this patch makes costs in generic to math better modern chips (core,
> > haswell,
> > buldozer and zen). The only important change is to drop cost of unaligned
> > loads
> > and stores becuase all modern chips handle it well. T
On Thu, Nov 30, 2017 at 10:40 AM, Jan Hubicka wrote:
> Hi,
> this patch makes costs in generic to math better modern chips (core, haswell,
> buldozer and zen). The only important change is to drop cost of unaligned
> loads
> and stores becuase all modern chips handle it well. This makes vectori
Hi,
this patch makes costs in generic to math better modern chips (core, haswell,
buldozer and zen). The only important change is to drop cost of unaligned loads
and stores becuase all modern chips handle it well. This makes vectorizer to
not peel for alignment and saves a lot of code size withou
