http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45810
--- Comment #22 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-01-24 14:07:14 UTC --- (In reply to comment #15) > Enabling early FRE > Index: passes.c > =================================================================== > --- passes.c (revision 169136) > +++ passes.c (working copy) > @@ -760,6 +760,7 @@ > NEXT_PASS (pass_remove_cgraph_callee_edges); > NEXT_PASS (pass_rename_ssa_copies); > NEXT_PASS (pass_ccp); > + NEXT_PASS (pass_fre); > NEXT_PASS (pass_forwprop); > /* pass_build_ealias is a dummy pass that ensures that we > execute TODO_rebuild_alias at this point. Re-building > @@ -782,7 +783,7 @@ > > reduces perida size estimate to 694 (so by about 30%) and hookes law to 141 > (by > 11%). Not enough to make inlining happen, still. That FRE pass should be after pass_sra_early (certainly after pass_build_ealias).