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Re: [Qemu-devel] [PATCH] OSX x86_32 host support

From: Alexander Graf
Subject: Re: [Qemu-devel] [PATCH] OSX x86_32 host support
Date: Mon, 14 Jan 2008 09:25:59 +0100

On Jan 14, 2008, at 12:43 AM, Mike Kronenberg wrote:

Looks like I'm a little late for the party, as always :) .

I really encourage everyone to work towards a gcc4.x solution for OS X.

I just read and tried Alexanders x86_64 patch, as I finished our x86_32. If we could reach an out of the box solution for OS X, that would be great!

That would really be great. I'd really love to see OSX as a supported host OS.

You'll find the patches at [1]
It's basically an adaption of Pauls, Gwenoles and the Qs gcc4 OS X x86 patches.

I'd rather go with Michael Matz's gcc4 patches. They look more sane and clean to me than Gwenoles do and I believe the 5% performance hit that goes with them is no real problem, as most people should be using x86_64 nowadays anyway. On OSX this is even less of a problem, as only few Intel Macs are not capable of running x86_64 code (namely the Core Solo and Core Duo generation) and there is no need to run an x86_64 kernel to use x86_64 userspace code.

If by any chance you find the time to do this, please try to get Michael Matz's patches conditional for gcc4 (no performance hit on gcc3) and do the mach-o i386 support separate from that. I believe this way everyone benefits from it and we could finally remove the gcc3 dependency.



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