Fwd: error in variable dereferencing

Thibaud GUERIN thibaud@ploposor.com
Fri Apr 21 16:57:00 GMT 2006


On 4/22/06, Andrew Haley <aph@gcc.gnu.org> wrote:
> Thibaud GUERIN writes:
>  > On 4/22/06, Andrew Haley <aph@redhat.com> wrote:
>  > > Well, we've established that whetever is wrong, it's not the code gcc
>  > > generates for this routine.  It's correct, as you can see.
>  > >
>  > >  > The only debug ways usable in the code right now are some things like :
>  > >  > i = (long)(fmt);
>  > >  > __asm__ volatile ("mov %0, %%eax\n":: "m"(i));
>  > >  > __asm__ volatile ("l1: jmp l1");
>  > >  >
>  > >  > which are really dirty i agree...
>  > >
>  > > Thay're also wrong, becasue they don't clobber eax.
>  >
>  > If you have any way to do it (or check with cleaner ways) i'm
>  > listening .... it'll be helpfull....
>
> Just put "eax" in the clobber list of the asm.  But really, we've gone
> as far down the read as we can with this: the gcc code you produced is
> correct.  Time to look elsewhere.
>

Yeah, i think too,
i learned a lot (-S flag, ....)
thanks for everything and sorry for disturbance....

--
Thibaud


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