On Tue, May 17, 2011 at 5:59 AM, H.J. Lu <hjl.to...@gmail.com> wrote: > On Tue, May 17, 2011 at 3:29 AM, Richard Guenther <rguent...@suse.de> wrote: >> On Mon, 16 May 2011, H.J. Lu wrote: >> >>> 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 >> >> I have reverted the patch for now. >> > > It doesn't solve the problem and I reopened: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49013 > > Your followup patches may have similar issues. >
I think you reverted the WRONG patch: http://gcc.gnu.org/viewcvs?view=revision&revision=173827 -- H.J.