Re: System-Wide Change proposal: CompilerPolicy Change

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 2020-06-05 at 20:51 +0200, Florian Weimer wrote:
> * Jeff Law:
> 
> > As we both know, GCC has had ABI bugs as well.  Both compilers strive
> > to be ABI compatible with each other and we should continue to work
> > together to find and address such issues.  SImilarly both compilers
> > are going to have codegen issues, or rejects-valid-code bugs.
> > Ultimately they're just bugs and I don't see that one toolchain or the
> > other is inherently better than the other, particularly WRT ABI
> > issues.
> 
> More problematic are not ABI bugs, but the cases where the ABI
> divergence is a matter of opinion (more or less).
Yes because these are much less likely to get fixed.  THankfully these don't pop
up nearly as often.

> 
> I think we really should figure out what to do about the alignment of
> _Atomic long long on 32-bit.  GCC has 4, Clang has 8.  Clang seems to be
> correct here.  This also has implications for the use of libatomic.
Yes.  I thought we bumped up that bug in the database so that it'd get some
attention in the gcc-10 cycle.  But I couldn't follow it myself, so I don't know
what happened.

jeff
_______________________________________________
devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Fedora Announce]     [Fedora Users]     [Fedora Kernel]     [Fedora Testing]     [Fedora Formulas]     [Fedora PHP Devel]     [Kernel Development]     [Fedora Legacy]     [Fedora Maintainers]     [Fedora Desktop]     [PAM]     [Red Hat Development]     [Gimp]     [Yosemite News]

  Powered by Linux