Re: [Qemu-devel] [PATCH 5/7] clean build: Fix remaining cris warnings

[Stuart Brady]

On Sat, Feb 21, 2009 at 11:03:59PM +0000, Stuart Brady wrote:
> On Sat, Feb 21, 2009 at 08:00:55PM +0100, Jan Kiszka wrote:
> > diff --git a/target-cris/translate.c b/target-cris/translate.c
> > index f575e63..954b038 100644
> > --- a/target-cris/translate.c
> > +++ b/target-cris/translate.c
> > @@ -2613,7 +2613,7 @@ static unsigned int dec_move_pm(DisasContext *dc)
> >  static unsigned int dec_movem_mr(DisasContext *dc)
> >  {
> >     TCGv_i64 tmp[16];
> > -        TCGv tmp32;
> > +        TCGv tmp32 = 0;
> >     TCGv addr;
> >     int i;
> >     int nr = dc->op2 + 1;
> 
> Hmm, GCC just gets it wrong here -- and 0 isn't really very meaningful.

Also, with 'tmp32 = 0', the build breaks with DEBUG_TCGV defined...

> At the very least, shouldn't there be a comment?  Something like Linux's
> uninitialized_var() macro might be worth considering...
-- 
Stuart Brady