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Re: Generic tuning in x86-tune.def 1/2


Jan Hubicka <hubicka@ucw.cz> writes:
>
> I also added X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL to bobcat tuning, since it
> seems like obvious omision (after double checking in optimization manual) and
> droped X86_TUNE_FOUR_JUMP_LIMIT for buldozer cores.

When tuning for Intel SandyBridge+ it would be actually interesting to
use a 32 byte window instead of 16 bytes.

The decoded icache has a 3 jump limit per 32byte.

So if K8 support is dropped from generic could just change it over
to 32 bytes there?

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only


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