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Re: [Qemu-devel] [PULL 0/5] tcg queued patches


From: Peter Maydell
Subject: Re: [Qemu-devel] [PULL 0/5] tcg queued patches
Date: Mon, 15 Feb 2016 20:35:51 +0000

On 15 February 2016 at 20:29, Richard Henderson <address@hidden> wrote:
> On 02/16/2016 12:04 AM, Peter Maydell wrote:
>> I'm generally reluctant to suggest compiler bugs, but this does
>> look rather like a compiler bug...
>
>
> There are at least 5 such bugs open against gcc at the moment.
>
>     https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56456
>
> I couldn't reproduce this quickly with a freshly built gcc 4.8 branch on
> i686-linux.  Could you please file a gcc bug with your preprocessed source?
> There's a chance it isn't a duplicate, but...

Is it worth filing a bug that only repros on a non-upstream gcc?

> In the meantime... hmm.  I don't suppose removing the inline helps?
> Probably not, since there's only one caller...  Otherwise I guess we should
> go with your "rd & ~1" workaround.

We should give it a try with Eric's "stop overriding
'inline' to mean 'always inline', but as you say
with only one caller it's probably going to go ahead
and inline it anyway.

thanks
-- PMM



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