[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

gcc compiler -O flags



Ralf Corsepius <ralf.corsepius at rtems.org> writes:

> On Fri, 2007-05-25 at 11:26 -0400, Kate Feng wrote:
>> For this particular  case that Till mentioned,  the result is inversed
>> between -O,  and -O2 (-O4,  too). 
> Does this affect any code in RTEMS or is this an accademical example?

I doubt it affects any code in RTEMS, as even Chain implementation, that
does use overlapping nodes, doesn't store anything but NULL into the
overlapping part.

> In any case, did any of you report this to gcc@?

Me didn't.

-- Sergei.