[PATCH][?/n] Cleanup LTO type merging

[Richard Guenther]

On Mon, 16 May 2011, H.J. Lu wrote:

> On Mon, May 16, 2011 at 7:17 AM, Richard Guenther <rguenther@suse.de> wrote:
> >
> > The following patch improves hashing types by re-instantiating the
> > patch that makes us visit aggregate target types of pointers and
> > function return and argument types. Â This halves the collision
> > rate on the type hash table for a linux-kernel build and improves
> > WPA compile-time from 3mins to 1mins and reduces memory usage by
> > 1GB for that testcase.
> >
> > Bootstrapped and tested on x86_64-unknown-linux-gnu, SPEC2k6
> > build-tested.
> >
> > Richard.
> >
> > (patch is reversed)
> >
> > 2011-05-16  Richard Guenther  <rguenther@suse.de>
> >
> > Â  Â  Â  Â * gimple.c (iterative_hash_gimple_type): Re-instantiate
> > Â  Â  Â  Â change to always visit pointer target and function result
> > Â  Â  Â  Â and argument types.
> >
> 
> This caused:
> 
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49013

I have reverted the patch for now.

Richard.