Reset HWCAP2_AFP bits in FPCR for default fenv.

[Tejas Belagod]

Thanks. 

Sorry, I intended the original mail body without the 'OK for master?' as the commit message. I shall re-post the patch with the correct formatting.

Thanks,
Tejas.

> -----Original Message-----
> From: Florian Weimer <fweimer@redhat.com>
> Sent: Thursday, June 30, 2022 4:13 PM
> To: Tejas Belagod <Tejas.Belagod@arm.com>
> Cc: Joseph Myers <joseph@codesourcery.com>; Szabolcs Nagy
> <Szabolcs.Nagy@arm.com>; Tejas Belagod via Libc-alpha <libc-
> alpha@sourceware.org>
> Subject: Re: Reset HWCAP2_AFP bits in FPCR for default fenv.
> 
> * Tejas Belagod:
> 
> >> -----Original Message-----
> >> From: Joseph Myers <joseph@codesourcery.com>
> >> Sent: Wednesday, June 29, 2022 10:24 PM
> >> To: Szabolcs Nagy <Szabolcs.Nagy@arm.com>
> >> Cc: Florian Weimer <fweimer@redhat.com>; Tejas Belagod
> >> <Tejas.Belagod@arm.com>; Tejas Belagod via Libc-alpha <libc-
> >> alpha@sourceware.org>
> >> Subject: Re: Reset HWCAP2_AFP bits in FPCR for default fenv.
> >>
> >> On Wed, 29 Jun 2022, Szabolcs Nagy via Libc-alpha wrote:
> >>
> >> > i don't have a strong opinion, but i thought it made sense to
> >> > restore all these special bits with fesetenv(FE_DFL_ENV).
> >>
> >> Yes, I think FE_DFL_ENV (and FE_DFL_MODE) should cover all such
> >> architecture-specific control settings, even when we also don't
> >> support the use of most floating-point APIs with non-default values of
> those settings.
> >>
> >
> > Thanks all for your comments.
> >
> > Florian, given the explanations from Szabolcs and Joseph, do you have
> > any objections to this change?
> 
> No objection to the change itself, but you didn't post the proposed commit
> message.  Please mention “aarch64” in the subject.
> 
> Thanks,
> Florian