optimization/9052: in C code, "if" statement fails to execute if optimized

[Steven Bosscher]

Op wo 12-02-2003, om 17:55 schreef Eric Botcazou:
> > Adding -ffloat-store will probably also make the "misbehaviour" go away.
> 
> It does.
> 
> > GCC is almost certainly using the register result from the current
> > iteration to compare with the memory result from an earlier iteration.
> > Since the register result has excess precision the compare for equality
> > fails.  That's not a bug, it's just the FP works on the X86.
> >
> > So in summary, almost certainly "not a bug".
> 
> I fully concur. I think the PR can be closed.
> 

Nice, one more PR gone (still too many to go :-/).

How about 8445, 9654?  Those are "bugs" that disappear with
-ffloat-store, too.  Like I said, I don't know enough about floating
point numbers...

Greetz
Steven