Date: Tue, 08 May 2001 01:29:44 -0700 From: Mike Smith <msmith@freebsd.org> To: "Juha Saarinen" <juha@saarinen.org> Cc: "FreeBSD Stable" <freebsd-stable@FreeBSD.ORG> Subject: Re: CFLAGS Optimization Message-ID: <200105080829.f488Tii01959@mass.dis.org> In-Reply-To: Your message of "Tue, 08 May 2001 20:18:32 %2B1200." <KPECIILENDDLPCNIMLOFOENMCDAA.juha@saarinen.org>
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> :: Basically, optimization levels above -O are not supported, so if you
> :: have problems, it's not our fault. 8-) Basically, stay away from
> :: optimizations with mission-critical stuff such as the kernel and
> :: userland. For ports, it's OK.
>
> Even though the kernel and userland might be the bits that would benefit the
> most from optimisations?
Let me say it again - the optimiser is BROKEN. Given perfectly valid
input, it generates BAD CODE. It doesn't matter how much these parts of
the system might benefit from it if it worked - it doesn't. End of
story. OK?
--
... every activity meets with opposition, everyone who acts has his
rivals and unfortunately opponents also. But not because people want
to be opponents, rather because the tasks and relationships force
people to take different points of view. [Dr. Fritz Todt]
V I C T O R Y N O T V E N G E A N C E
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