https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102527
--- Comment #10 from Rainer Orth <ro at gcc dot gnu.org> --- (In reply to Aldy Hernandez from comment #6) > The attached patch adds a separate TV_* timer to see the actual break down > for VRP and the VRP threader. > > Could you incorporate this patch and run the problematic file with ./cc1 > -ftime-report -O2? I'd like to see the table at the end. If you're so > inclined, could you also email me the entire -ftime-report so I can see the > GC output as it compiles? Sure: I've attached the output of cc1plus -fpreprocessed insn-emit.ii -quiet -mtune=generic -march=pentium4 -g -O2 -o insn-emit.s -ftime-report