http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58679
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ebotcazou at gcc dot gnu.org --- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > Or should we use a different approach, and use DF to re-create REG_DEAD > notes? Yes, if you need REG_DEAD/REG_UNUSED notes, just tell DF to compute them: eric@polaris:~/gnat/gnat-head/src/gcc> grep df_note_add_problem *.c auto-inc-dec.c: df_note_add_problem (); cfgrtl.c: df_note_add_problem (); combine.c: df_note_add_problem (); combine-stack-adj.c: df_note_add_problem (); cse.c: df_note_add_problem (); df-problems.c:df_note_add_problem (void) dse.c: df_note_add_problem (); fwprop.c: df_note_add_problem (); haifa-sched.c: df_note_add_problem (); ira.c: df_note_add_problem (); loop-iv.c: df_note_add_problem (); recog.c: df_note_add_problem (); regmove.c: df_note_add_problem (); regrename.c: df_note_add_problem (); reg-stack.c: df_note_add_problem ();