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Re: [PATCH] linux: Add soft-fp folder for arm with --without-fp
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
- Cc: <libc-alpha at sourceware dot org>
- Date: Thu, 5 Mar 2020 15:16:49 +0000
- Subject: Re: [PATCH] linux: Add soft-fp folder for arm with --without-fp
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- References: <20200304171105.24573-1-adhemerval.zanella@linaro.org> <alpine.DEB.2.21.2003050046560.20020@digraph.polyomino.org.uk> <6669193e-31bb-9f52-9605-839404eef670@linaro.org>
On Thu, 5 Mar 2020, Adhemerval Zanella wrote:
> > Based on disassembling a 2.27 binary (2.27 being the first release after
> > the sysdeps/ieee754/soft-fp directory was added), the sysdeps ordering was
> > working then, but I confirm it's broken now. Thus this raises the
> > question of when the ordering broke, and thus (a) whether it might have
> > broken for any other configurations using sysdeps/ieee754/soft-fp at the
> > same time, and thus need fixing for them, (b) whether the breakage broke
> > ordering for anything other than nofpu directories and (c) whether it
> > might need a bug filed in Bugzilla if the issue was present in a release.
> > The addition of /le sysdeps directories is one change that might have had
> > a risk of breaking such ordering, but I don't know if it was that or not.
>
> It was the LE/BE sysdeps patch, I will send a new version.
Thanks. Did the microblaze / sh changes break the sysdeps ordering in
those cases? (In the microblaze case, there's no nofpu directory and
ieee754/soft-fp is in the same Implies file as ieee754/flt-32 and
ieee754/dbl-64, so maybe there isn't an issue there.)
--
Joseph S. Myers
joseph@codesourcery.com