------- Comment #9 from pinskia at earth dot geop dot uc dot edu 2006-10-23 21:52 ------- Subject: Re: Gcc gives invalid warning about unitialized variable
> > > > ------- Comment #8 from mbligh at mbligh dot org 2006-10-23 21:50 ------- > > Initialize the variable and forget about inefficiency. Again this is fixed > > for > > 4.2.0, the warning is only because __builtin_expect gets in the way of > > figuring > > out if the variable is used uninitialized, nothing more. > > I understand the __builtin_expect case is fixed in 4.2, and am fine with that, > but I was talking about the ones that aren't inlined, and don't use > builtin_expect. Does gcc 4.2 walk through functions as well, or will it always > produce an invalid warning there? No, for ones which are not inlined, GCC does not look through other functions to check for the warning. Thanks, Andrew Pinski -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29574
