From: Rich Felker <dalias@libc.org>
To: Arnd Bergmann <arnd@kernel.org>
Cc: musl@lists.openwall.com
Subject: Re: [musl] Adding PowerPC SPE support
Date: Sat, 5 Jun 2021 18:05:14 -0400 [thread overview]
Message-ID: <20210605220514.GH13220@brightrain.aerifal.cx> (raw)
In-Reply-To: <CAK8P3a0YHW+XL7RvgMyy0UrCc=Fgz0x=27gcdDEJbBVO3ATqAg@mail.gmail.com>
On Sat, Jun 05, 2021 at 11:15:04PM +0200, Arnd Bergmann wrote:
> On Sat, Jun 5, 2021 at 7:12 PM Rich Felker <dalias@libc.org> wrote:
> >
> > When the soft-float ABI for PowerPC was added in 2016 (commit
> > 5a92dd95c77cee81755f1a441ae0b71e3ae2bcdb, mail thread "[PATCH v3] Add
> > PowerPC soft-float support") with Freescale cpus having the
> > alternative SPE FPU as the main use case, I noted that we could
> > probably support hard float on them, but that it would involve
> > determining some difficult ABI constraints. I'm now revisiting adding
> > this support.
>
> Note that regardless of the technical issues, there is a practical problem
> in the long run, since gcc-8.5 was the last release with powerpcspe
> support, and at some point in the future everyone will move to gcc-9
> or higher.
Yes, llvm has added it though and presumably ppl who want it will just
use clang or stick with old gcc (which makes me sad, but that's how it
is).
Rich
next prev parent reply other threads:[~2021-06-05 22:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-05 17:12 Rich Felker
2021-06-05 21:15 ` Arnd Bergmann
2021-06-05 22:05 ` Rich Felker [this message]
2021-06-07 7:56 ` Arnd Bergmann
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