On Mon, May 16, 2011 at 7:17 AM, Richard Guenther <rguent...@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. 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 <rguent...@suse.de> > > * gimple.c (iterative_hash_gimple_type): Re-instantiate > change to always visit pointer target and function result > and argument types. >
This caused: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49013 H.J.