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Date: Mon, 14 Mar 2011 10:23:55 +0000
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From: Peter Maydell <peter.maydell@linaro.org>
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Subject: [Qemu-devel] Re: qemu-0.14.0 doesn't compile on ppc32
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: nello martuscielli <ppc.addon@gmail.com>, qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>

On 21 February 2011 08:10, Paolo Bonzini <pbonzini@redhat.com> wrote:
> On 02/20/2011 06:32 PM, Peter Maydell wrote:
>> Some of qemu's code does seem to trigger rather excessive memory
>> use by gcc; for instance we've had problems with memory usage
>> building for ARM with gcc of target-sparc/translate.c wanting
>> gigabytes of RAM with some compiler flags:
>> https://bugs.launchpad.net/gcc-linaro/+bug/714921
>>
>> I suspect it's all those large switch statements...
>
> It's on my todo list to report it to GCC, since this memory-hog behavior is
> a GCC regression.

We've been working on this in Linaro, and the following two patches
have been posted upstream:

    http://gcc.gnu.org/ml/gcc-patches/2011-03/msg00193.html
    http://gcc.gnu.org/ml/gcc-patches/2011-03/msg00255.html

so you can probably cross that item off your todo list :-)

-- PMM