diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fa3c54d57284b0ee92338ed1fc56f75668991907..804d74053d6ffd75a37fde2d01403a7758c42402 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-10-13 Steven Bosscher <steven@gcc.gnu.org> + + * ira.c (ira): Set current_loops to &ira_loops before recording + loop exits. Release recorded exits and loops early. + 2012-10-13 Chung-Lin Tang <cltang@codesourcery.com> * builtins.c (expand_builtin_set_thread_pointer): Use diff --git a/gcc/ira.c b/gcc/ira.c index 4a7dcb52043d93a5eb0550b617a9c5ee5368789b..9a93297b0d4b7ec220ec06d6839d341a4f1a3d6d 100644 --- a/gcc/ira.c +++ b/gcc/ira.c @@ -4233,8 +4233,8 @@ ira (FILE *f) if (flag_ira_region == IRA_REGION_ALL || flag_ira_region == IRA_REGION_MIXED) { flow_loops_find (&ira_loops); - record_loop_exits (); current_loops = &ira_loops; + record_loop_exits (); } if (internal_flag_ira_verbose > 0 && ira_dump_file != NULL) @@ -4277,9 +4277,14 @@ ira (FILE *f) info. */ df_analyze (); + /* ??? Rebuild the loop tree, but why? Does the loop tree + change if new insns were generated? Can that be handled + by updating the loop tree incrementally? */ + release_recorded_exits (); + flow_loops_free (&ira_loops); flow_loops_find (&ira_loops); - record_loop_exits (); current_loops = &ira_loops; + record_loop_exits (); setup_allocno_assignment_flags (); ira_initiate_assign (); @@ -4363,6 +4368,7 @@ do_reload (void) if (current_loops != NULL) { + release_recorded_exits (); flow_loops_free (&ira_loops); free_dominance_info (CDI_DOMINATORS); }