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: http://gcc.gnu.org/ml/gcc-patches/2008-08/msg00162.html Peter