RFC: proposed macro deffinitions for F-13

[Jakub Jelinek]

On Tue, Oct 27, 2009 at 01:24:33PM -0500, Dennis Gilmore wrote:
> it should be the attached patch.  the initial one was based on what gcc does 
> in its spec.  it treats %{ix86} as  not being multilib. 

That's because %{ix86} gcc isn't multilib capable, unlike e.g. ppc/ppc64
or sparcv9/sparc64 where the support is symmetric (32-bit gcc can compile
64-bit code and vice versa), on x86_64 you need x86_64 gcc to be able to
compile 64-bit stuff.

	Jakub