Re: SIGFPE resolution?
Thomas Evans <tom@23palmer.net> writes:
> On Wed, 2003-11-05 at 04:12, Falk Hueffner wrote:
> > There was one suggestion to disable -mieee by -ffast-math. -ffast-math
> > also enables a *lot* of other optimizations, so if you don't want IEEE
> > compliance, you might want it anyway. Would that be acceptable to you?
>
> I'm okay with this sugesstion, as long as Debian on Alpha enables
> fast math by exception and not as the rule.
That was the idea.
> My concern is also dependencies - people will insist on building
> glibc, etc with fast math enabled (because by default they'll work
> fine) and then some other application with throw down IEEE values to
> them an they'll crash.
AFAIK, libm from glibc is currently built IEEE compliant, and I don't
think that should change unless we introduce some mechanism to choose
a libm based on compiler flags (which would be nice, though).
--
Falk
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