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Re: [Qemu-devel] Re: Compile files only once: some planning

From: Paul Brook
Subject: Re: [Qemu-devel] Re: Compile files only once: some planning
Date: Wed, 24 Mar 2010 22:47:53 +0000
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> Actually, Anthony suggested at some point to just use 64 bits for
> TARGET_PHYS_ADDR_BITS and remove the need for hw32/64.
> I think that people emulationg 32bits on 32bits would suffer, but have
> no clue how much.  Anthony, what was the idea?

Sacrificing runtime performance to avoid rebuilding a few files is not 
acceptable. I consider the fact that TARGET_PHYS_ADDR_BITS is always 64 on 64-
bit hosts is a bug. It's just hard to fix, and probably even less of a 
performance hit, so I haven't bothered yet.


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