From: Anthony Liguori <anthony@codemonkey.ws>
To: Axel Zeuner <Axel.Zeuner@gmx.de>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC/experimental patch] qemu (x86_64 on x86_64 -no-kqemu) compiles with gcc4 and works
Date: Sun, 25 Mar 2007 18:44:15 -0500 [thread overview]
Message-ID: <4607094F.7000704@codemonkey.ws> (raw)
In-Reply-To: <200703251412.07039.Axel.Zeuner@gmx.de>
Axel Zeuner wrote:
> On Saturday 24 March 2007 21:15, Anthony Liguori wrote:
>
>> The tricky thing I still can't figure out is how to get ASM_SOFTMMU
>> working. The problem is GLUE(st, SUFFIX) function. First GCC cannot
>> deal with the register pressure. The problem I can't seem to fix though
>> is that GCC sticks %1 in %esi because we're only using an "r"
>> constraint, not a "q" constraint. This results in the generation of
>> %sib which is an invalid register. However, refactoring the code to not
>> require a "q" constraint doesn't seem to help either.
>>
> Hi Anthony,
> could you please try the attached patch for softmmu_header.h? Allows compiling
> with gcc4 and ASM_SOFTMMU.
>
That did the trick. Could you explain what your changes did?
Regards,
Anthony Liguori
> Kind regards
> Axel
>
next prev parent reply other threads:[~2007-03-25 23:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-24 17:50 [Qemu-devel] [RFC/experimental patch] qemu (x86_64 on x86_64 -no-kqemu) compiles with gcc4 and works Axel Zeuner
2007-03-24 20:15 ` Anthony Liguori
2007-03-25 10:15 ` Axel Zeuner
2007-03-25 23:46 ` Anthony Liguori
2007-03-26 5:49 ` Axel Zeuner
2007-03-26 22:53 ` Paul Brook
2007-03-27 5:48 ` Axel Zeuner
2007-03-25 12:12 ` Axel Zeuner
2007-03-25 23:44 ` Anthony Liguori [this message]
2007-03-26 6:16 ` Axel Zeuner
2007-03-29 2:07 ` Anthony Liguori
2007-03-29 6:03 ` Axel Zeuner
2007-03-29 15:51 ` Anthony Liguori
2007-04-20 16:57 ` qemu + gcc4 (Was: [Qemu-devel] [RFC/experimental patch] qemu (x86_64 on x86_64 -no-kqemu) compiles with gcc4 and works) Gwenole Beauchesne
2007-03-25 13:40 ` [Qemu-devel] [RFC/experimental patch] qemu (x86_64 on x86_64 -no-kqemu) compiles with gcc4 and works Avi Kivity
2007-03-26 17:14 ` Axel Zeuner
2007-04-06 21:04 ` Rob Landley
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