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Re: GCC 4.8.0 Status Report (2012-10-29), Stage 1 to end soon
- From: Peter Bergner <bergner at vnet dot ibm dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
- Date: Mon, 05 Nov 2012 08:40:00 -0600
- Subject: Re: GCC 4.8.0 Status Report (2012-10-29), Stage 1 to end soon
- References: <20121029175642.GK1752@tucnak.redhat.com> <1352119307.4636.4.camel@otta> <20121105125313.GJ1881@tucnak.redhat.com>
On Mon, 2012-11-05 at 13:53 +0100, Jakub Jelinek wrote:
> On Mon, Nov 05, 2012 at 06:41:47AM -0600, Peter Bergner wrote:
> > I'd like to post later today (hopefully this morning) a very minimal
> > configure patch that adds the -mcpu=power8 and -mtune=power8 compiler
> > options to gcc. Currently, power8 will be an alias for power7, but
> > getting this path in now allows us to add power8 support to the
> > compiler without having to touch the arch independent configure script.
> config.gcc target specific hunks are part of the backend, the individual
> target maintainers can approve changes to that, I really don't see a reason
> to add a dummy alias now just for that. If the power8 enablement is
> approved and non-intrusive enough that it would be acceptable even during
> stage 3, then so would be corresponding config.gcc changes.
Well we also patch config.in and configure.ac/configure. If those are
acceptable to be patched later too, then great. If not, the patch
isn't really very large. We did do this for power7 initially too: