Fix PR 30735 and 31090: Change static memory partition heuristic

[H. J. Lu]

On Wed, Apr 11, 2007 at 12:13:20PM -0400, Diego Novillo wrote:
> 
> In terms of runtime, I have not noticed slowdowns in SPEC2000 nor
> Polyhedron.  I did notice a 6-7% performance improvement on tramp3d at
> -O2.  However, being a static heuristic, I presume we'll go over this a
> few more rounds.
> 

How does it compare against revision 119759 on ia32 and x86-64?
I haven't found a revision which generates better SPEC CPU 2006
-O2 -ffast-math numbers than revision 119759 on x86-64.


H.J.