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Re: [Qemu-devel] [PATCH for-4.0 00/17] tcg: Move softmmu out-of-line


From: Emilio G. Cota
Subject: Re: [Qemu-devel] [PATCH for-4.0 00/17] tcg: Move softmmu out-of-line
Date: Fri, 16 Nov 2018 10:07:42 -0500
User-agent: Mutt/1.9.4 (2018-02-28)

On Fri, Nov 16, 2018 at 09:07:50 +0100, Richard Henderson wrote:
> On 11/16/18 6:10 AM, Emilio G. Cota wrote:
> > It's possible that newer machines with larger reorder buffers
> > will be able to take better advantage of the higher instruction
> > locality, hiding the latency of having to execute more instructions.
> > I'll test on Skylake tomorrow.
> 
> I've noticed that the code we generate for calls has twice as many 
> instructions
> as really needed for setting up the arguments.  I have a plan to fix that,
> which hopefully will solve this problem.

Ah that's great. I'll do more tests and a full review when those
changes come out, then.

Thanks,

                E.



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