[PATCH, PR 49089] Don't split AVX256 unaligned loads by default on bdver1 and generic

H.J. Lu hjl.tools@gmail.com
Fri Jun 17 18:33:00 GMT 2011


On Fri, Jun 17, 2011 at 10:45 AM, Fang, Changpeng
<Changpeng.Fang@amd.com> wrote:
>>Why not just move AVX256_SPLIT_UNALIGNED_STORE
>>and AVX256_SPLIT_UNALIGNED_LOAD to ix86_tune_indices?
>
> I would like to keep the -m option so that at least we can explicitly turn
> off the splittings when regressions are found!

I prefer to implement it the same way as:

x86_accumulate_outgoing_args
x86_arch_always_fancy_math_387

> By the way, I can add an index for store splitting, if you want.
>

Yes, please.

-- 
H.J.



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