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Re: [Qemu-devel] [PATCH 0/4] tcg/optimize: fixes and improvements

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 0/4] tcg/optimize: fixes and improvements
Date: Mon, 09 Sep 2013 19:14:29 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8

Il 09/09/2013 19:04, Aurelien Jarno ha scritto:
> I have just checked, and it does indeed work for a few cases involving
> constants. That said, it doesn't change the resulting TCG code, as these
> cases were already handled by some other optimizations.
> That let me ask a question, about why the bit propagation has been added
> in the middle of other optimizations, and not for example immediately
> after swapping commutative ops or just before the constant folding.

I think it was just an artifact of /me rebasing the patch after other
optimizations were introduced.


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