fegetexceptflag() question for ppc

[Geoff Keating]

> X-Original-To: geoffk@foam.wonderslug.com
> Date: Wed, 3 Dec 2003 07:52:59 -0500
> Cc: libc-alpha@sources.redhat.com
> From: Aldy Hernandez <aldyh@redhat.com>
> X-OriginalArrivalTime: 03 Dec 2003 12:58:15.0796 (UTC) FILETIME=[1DD44340:01C3B99D]
> 
> 
> On Wednesday, December 3, 2003, at 12:17  AM, Geoff Keating wrote:
> 
> > Aldy Hernandez <aldyh@redhat.com> writes:
> >
> >> Hi folks!
> >>
> >> Is there a reason why fegetexceptflag()
> >> (sysdeps/powerpc/fpu/fgetexcptflg.c) does not ignore exceptions not in
> >> `excepts'?  We're completely disregarding the `excepts' argument.
> >
> > Why should it?  It would just waste CPU time.
> 
> Cuz the other ports do it?  For some reason I thought fegetexceptflag() 
> had to only return the exceptions turned on in `excepts'.

It has to return at least the exceptions in 'excepts', but it doesn't
hurt if it returns more.  The user is required to pass a mask to
fesetexceptflag() which is at least as restrictive as the one passed
to fegetexceptflag().

-- 
- Geoffrey Keating <geoffk@geoffk.org>