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Re: [Qemu-devel] RFC: fix for random Qemu crashes


From: Jamie Lokier
Subject: Re: [Qemu-devel] RFC: fix for random Qemu crashes
Date: Fri, 16 Nov 2007 15:59:29 +0000
User-agent: Mutt/1.4.1i

Heikki Lindholm wrote:
> J. Mayer kirjoitti:
> >Some may have experienced of having some Qemu builds crashing,
> >apparently at random places, but in a reproducable way.
> >I found one reason for this crashes: it appears that with the growth of
> >the op.c file, there may be cases where we could reach the inlining
> >limits of gcc. In such a case, gcc would not inline some declared
> >"inline" function but would emit a call and provide a separate function.
> >Unfortunately, this is not acceptable in op.o context as it will
> >slowdown the emulation and because the call is likely to break the
> >specific compilation rules (ie reserved registers) used while compiling
> >op.o
> 
> Does -winline give a warning when this happens?

And can it be repaired with __attribute__((__always_inline__))?

-- Jamie




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