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Re: [Qemu-devel] Re: compile qemu for a G5

From: J. Mayer
Subject: Re: [Qemu-devel] Re: compile qemu for a G5
Date: Tue, 12 Oct 2004 13:50:41 +0200

On Mon, 2004-10-11 at 17:36, André Braga wrote:
> On Mon, 11 Oct 2004 06:32:44 -0700, Fred Hope <address@hidden> wrote:
> > So for my iMac G5 1.8 GHz it would be -mcpu=970 or what?  The only
> > thing I know about the G5 is that it is really the PowerPC 970.  Also,
> > I use this flag when I run ./configure, right?  Not the "make" command
> > itself?
> -mcpu=power4 is the correct flag. As of January there was a bug in GCC
> regarding this flag and 64-bit code, so I suggest looking for updates
> if your xcode tools happen to be somewhat old.

Are you sure ?
G5 is a 64 bits PPC, but POWER isn't: some instructions are not the same
between the two architectures.  So, some Power4 opcodes and registers
will never be recognized on any PPC. With luck, the Power code may run
on PPC, but there's no waranty.

J. Mayer <address@hidden>
Never organized

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