Re: [linuxsh-dev] cache-sh4.c

[M. R. B. <mr...@0x...>]

* NIIBE Yutaka <gn...@m1...> on Wed, Mar 27, 2002:

> Optimized the flushing.=20
>=20
> There is a requirement in SH4 to control cache from P2 area.  P2 area
> is the area where cache is not used at all.  This means, the cycles
> for instruction could be quite large.  In other word, if we could
> save number of instructions, we see performance improvement.
>=20
> I've done: Four --> Three instruction fetch per single cache line flush.
>=20

Wow ... were you planning on merging these with linux-2_4-branch also?  For
this and your other changes, do you have numbers to show your improvements?

Thanks,

M. R.