Re: [patch] Prevent dead code/data removal with gcc 3.4

[Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>]

Ralf Baechle wrote:
> On Fri, Feb 13, 2004 at 03:20:27PM +0100, Maciej W. Rozycki wrote:
> 
> > 2. It changes inline-assembly function prologues to be embedded within the
> > functions, which makes them a bit safer as they can now explicitly refer
> > to the "regs" struct and assures the code won't be removed or reordered.
> 
> It is possible that gcc changes one of the registers before save_static
> and I can't imagine there's a reliable way to fix this in the inline
> version.

As long as __asm__ __volatile__ works as documented, this can't happen.


Thiemo