diff options
Diffstat (limited to 'gcc/flags.h')
| -rw-r--r-- | gcc/flags.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/flags.h b/gcc/flags.h index b5c6d75446b..58f5bc0af1c 100644 --- a/gcc/flags.h +++ b/gcc/flags.h @@ -304,6 +304,34 @@ extern int flag_shared_data; extern int flag_schedule_insns; extern int flag_schedule_insns_after_reload; +#ifdef HAIFA +/* The following flags have effect only for scheduling before register + allocation: + + flag_schedule_interblock means schedule insns accross basic blocks. + flag_schedule_speculative means allow speculative motion of non-load insns. + flag_schedule_speculative_load means allow speculative motion of some + load insns. + flag_schedule_speculative_load_dangerous allows speculative motion of more + load insns. + flag_schedule_reverse_before_reload means try to reverse original order + of insns (S). + flag_schedule_reverse_after_reload means try to reverse original order + of insns (R). */ + +extern int flag_schedule_interblock; +extern int flag_schedule_speculative; +extern int flag_schedule_speculative_load; +extern int flag_schedule_speculative_load_dangerous; +extern int flag_schedule_reverse_before_reload; +extern int flag_schedule_reverse_after_reload; + +/* flag_on_branch_count_reg means try to replace add-1,compare,branch tupple + by a cheaper branch, on a count register. */ +extern int flag_branch_on_count_reg; +#endif /* HAIFA */ + + /* Nonzero means put things in delayed-branch slots if supported. */ extern int flag_delayed_branch; |