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Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-

From: David Gibson
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 03/10] target/ppc: support for 32-bit carry and overflow
Date: Mon, 27 Feb 2017 12:39:49 +1100
User-agent: Mutt/1.7.1 (2016-10-04)

On Fri, Feb 24, 2017 at 05:30:23PM +1100, Richard Henderson wrote:
> On 02/24/2017 03:50 PM, David Gibson wrote:
> > Although I guess they'd shrink right down again if we put an
> > env->xer_mask in.  Thoughts on that option Richard?
> Why would xer_mask shrink the code?  I can't see that we'd be able to
> eliminate any code using the mask.

Uh.. I think I was thinking about the qemu code, not the generated
code.  It means we could unconditionally and with the xer_mask in some
places, rather than having fiddly conditionals.

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_!

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