> On Thu, Dec 26, 2013 at 4:38 AM, Jan Hubicka <hubi...@ucw.cz> wrote: > >> Hi Honza, > >> > >> We have combined generic32 and generic64 into generic. There is no need > >> to check "generic" anymore. Also we shouldn't change -mtune=i686 into > >> -mtune=generic. OK to install? > > > > The i686->generic change was intended to get generic optimized code > > for i686-linux configuration rather than pentiumpro. I think it still makes > > sense to use this, since it is what most 32bit distros still configure for? > > > > Should -mtune=i686 define __tune_i686__? If not, how can > it be defined? Don't we default -mtune to generic for > i686-linux?
If i686-linux defaults to -mtune=generic, then I think it is all fine. i686 is bit misbehaved since it was used as both CPU name for PPro (that does not make much sense) and for the overall architecture... Honza > > -- > H.J.
