Hi Naveen,
On Wed, Jun 06, 2018 at 12:06:09PM +0530, Naveen N. Rao wrote:
> Simon Guo wrote:
> >Hi Michael,
> >On Tue, Jun 05, 2018 at 12:16:22PM +1000, Michael Ellerman wrote:
> >>Hi Simon,
> >>
> >>wei.guo.si...@gmail.com writes:
> >>> From: Simon Guo
> >>>
> >>> There is some room to optimize
Simon Guo wrote:
Hi Michael,
On Tue, Jun 05, 2018 at 12:16:22PM +1000, Michael Ellerman wrote:
Hi Simon,
wei.guo.si...@gmail.com writes:
> From: Simon Guo
>
> There is some room to optimize memcmp() in powerpc 64 bits version for
> following 2 cases:
> (1) Even src/dst addresses are not
Hi Michael,
On Tue, Jun 05, 2018 at 12:16:22PM +1000, Michael Ellerman wrote:
> Hi Simon,
>
> wei.guo.si...@gmail.com writes:
> > From: Simon Guo
> >
> > There is some room to optimize memcmp() in powerpc 64 bits version for
> > following 2 cases:
> > (1) Even src/dst addresses are not aligned
Hi Michael,
On Tue, Jun 05, 2018 at 12:16:22PM +1000, Michael Ellerman wrote:
> Hi Simon,
>
> wei.guo.si...@gmail.com writes:
> > From: Simon Guo
> >
> > There is some room to optimize memcmp() in powerpc 64 bits version for
> > following 2 cases:
> > (1) Even src/dst addresses are not aligned
Hi Simon,
wei.guo.si...@gmail.com writes:
> From: Simon Guo
>
> There is some room to optimize memcmp() in powerpc 64 bits version for
> following 2 cases:
> (1) Even src/dst addresses are not aligned with 8 bytes at the beginning,
> memcmp() can align them and go with .Llong comparision mode
From: Simon Guo
There is some room to optimize memcmp() in powerpc 64 bits version for
following 2 cases:
(1) Even src/dst addresses are not aligned with 8 bytes at the beginning,
memcmp() can align them and go with .Llong comparision mode without
fallback to .Lshort comparision mode do compare
