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Re: [PATCH v2] Remove support for PowerPC SPE extension (powerpc*-*-*gnuspe*).
- From: Zack Weinberg <zackw at panix dot com>
- To: Tulio Magno Quites Machado Filho <tuliom at ascii dot art dot br>
- Cc: GNU C Library <libc-alpha at sourceware dot org>, Joseph Myers <joseph at codesourcery dot com>, Segher Boessenkool <segher at kernel dot crashing dot org>, Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
- Date: Wed, 22 May 2019 15:10:15 -0400
- Subject: Re: [PATCH v2] Remove support for PowerPC SPE extension (powerpc*-*-*gnuspe*).
- References: <20190522141358.4028-1-zackw@panix.com> <87ef4qmilv.fsf@linux.ibm.com>
On Wed, May 22, 2019 at 2:47 PM Tulio Magno Quites Machado Filho
<tuliom@ascii.art.br> wrote:
>
> Zack Weinberg <zackw@panix.com> writes:
>
> > GCC 9 dropped support for the SPE extensions to PowerPC, which means
> > powerpc*-*-*gnuspe* configurations are no longer buildable with that
> > compiler. This ISA extension was peculiar to the “e500” line of
> > embedded PowerPC chips, which, as far as I can tell, are no longer
> > being manufactured, so I think we should follow suit.
> >
> > This patch was developed by grepping for “e500”, “__SPE__”, and
> > “__NO_FPRS__”, and may not eliminate every vestige of SPE support.
> > Most uses of __NO_FPRS__ are left alone, as they are relevant to
> > normal embedded PowerPC with soft-float.
>
> Tested on hard-float variants too and LGTM.
>
> Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Pushed, thank you.
zw