Re: [Qemu-devel] [PATCH v4 06/15] target/ppc: remove xer split-out flags(so, ov, ca)

[David Gibson <david@gibson.dropbear.id.au>]

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On Fri, Feb 24, 2017 at 06:18:22AM +0530, Nikunj A Dadhania wrote:
> Richard Henderson <rth@twiddle.net> writes:
> 
> > On 02/24/2017 06:56 AM, Nikunj A Dadhania wrote:
> >> Now get rid all the split out variables so, ca, ov. After this patch,
> >> all the bits are stored in CPUPPCState::xer at appropriate places.
> >>
> >> Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
> >> ---
> >>  target/ppc/cpu.c        |   8 +---
> >>  target/ppc/cpu.h        |  26 ++++++------
> >>  target/ppc/int_helper.c |  12 +++---
> >>  target/ppc/translate.c  | 106 +++++++++++++++++++++++++-----------------------
> >>  4 files changed, 78 insertions(+), 74 deletions(-)
> >
> > I do not think this is a good direction to take this.
> 
> Hmm, any particular reason?

Right, I suggested this, but based only a suspicion that the split
variables weren't worth the complexity.  I'm happy to be corrected by
someone with better knowledge of TCG, but it'd be nice to know why.

> I can send back the v3 with suggested changes dropping the xer split out
> changes.
> 
> Regards
> Nikunj
> 
> 

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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