On Thu, 1 Aug 2002, David O'Brien wrote:
> On Fri, Aug 02, 2002 at 02:57:44AM +1000, Bruce Evans wrote:
> > I'm surprised -Os [-falign...] isn't already the default for crunches.
> -Os is -O2 except for those optimizations which bloat. We don't trust
> -O2 and thus maybe should not -Os. Hopefully we have found all our bad
> in-line ASM and -O2 will work for FreeBSD now.
-Os is actually -O2 except for those optimizations which bloat but plus
some more optimizations which reduce bloat. The main additional one is
-falign* to minimal values, so we wouldn't need both -Os -falign. I
wouldn't trust -O2 for releases without lots of testing in -current
(and not updating the compiler after testing).
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