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Re: [Qemu-devel] [4514] convert remaining segment handling to TCG


From: Avi Kivity
Subject: Re: [Qemu-devel] [4514] convert remaining segment handling to TCG
Date: Wed, 21 May 2008 21:19:39 +0300
User-agent: Thunderbird 2.0.0.14 (X11/20080501)

Fabrice Bellard wrote:

Does qemu generate different code when the segment bases are zero? The segment base additions can be trivially avoided in this case.

Yes, but only when DS, ES and SS have zero bases.


Sure, that's the common case.

On a slightly different subject, are you considering improving tcg optimization? It can even be made dynamic, with aggressive optimization only kicking in if a block has been executed a large number of times.

--
Do not meddle in the internals of kernels, for they are subtle and quick to 
panic.





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