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[Fwd: Re: [v3] Use atomic builtins (powerpc, alpha)]
- From: Paolo Carlini <pcarlini at suse dot de>
- To: "'gcc-patches at gcc dot gnu dot org'" <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 25 May 2005 22:32:59 +0200
- Subject: [Fwd: Re: [v3] Use atomic builtins (powerpc, alpha)]
apparently, for some reason, my reply to David didn't get through. I'm
attaching here again.
In the meanwhile, filed target/21760.
David Edelsohn wrote:
> The atomic builtins implemented by Geoff Keating are not a
>complete replacement for the previous functionality. Encapsulating
>procesor-specific issues, like the PPC405 errata, in one location is
>beneficial and all parts of the compiler should evolve to use the
>builtins. Very few places in the compiler have utilized atomic operations
>until now: libstdc++ has been one such use.
Ok, we are in complete agreement on all accounts.
> When one finds a special adaptation for a known problem, one
>should not discard it without comment. As Daniel mentioned, this should
>be opened as a Critical Bugzilla target-specific bug that must be fixed
>for GCC 4.1.0, at the very least.
Ok, I will do that before the end of the day. Will add you in CC:.
Please excuse me in advance if the PR will not be technically very
accurate: I will mention the builtins and PPC405, in any case.
Sorry again for the (partial, in the end) misunderstanding,