On Sat, Jun 13, 2009 at 8:00 PM, Eric Botcazou<ebotca...@adacore.com> wrote: >> Yes, I don't like -O0 producing worse debug info - what does >> the -O0 -fvar-tracking-assignments results look like? > > I'd do the opposite: totally disable VTA at -O0 like we do for -fvar-tracking. > We once tried to enable -fvar-tracking with -O0 at AdaCore and ended up with > bloated and inferior debug info. I think we shouldn't need to do anything > at -O0 apart from sufficiently curbing the code generator to get correct > naive debug info; the sophisticated stuff should be reserved to -O and above.
Well, I see FAILs for -O0 compared to -O1 with VTA - that doesn't look "right". How we fix this is not relevant - but we should try to do so. Richard.
