diff options
Diffstat (limited to 'gcc/modulo-sched.c')
| -rw-r--r-- | gcc/modulo-sched.c | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c index b436811970e..4b3b90091cb 100644 --- a/gcc/modulo-sched.c +++ b/gcc/modulo-sched.c @@ -47,6 +47,8 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA #include "gcov-io.h" #include "df.h" #include "ddg.h" +#include "timevar.h" +#include "tree-pass.h" #ifdef INSN_SCHEDULING @@ -2517,5 +2519,67 @@ ps_unschedule_node (partial_schedule_ptr ps, ddg_node_ptr n) return remove_node_from_ps (ps, ps_i); } -#endif /* INSN_SCHEDULING*/ +#endif /* INSN_SCHEDULING */ + +static bool +gate_handle_sms (void) +{ + return (optimize > 0 && flag_modulo_sched); +} + + +/* Run instruction scheduler. */ +/* Perform SMS module scheduling. */ +static void +rest_of_handle_sms (void) +{ +#ifdef INSN_SCHEDULING + basic_block bb; + sbitmap blocks; + + /* We want to be able to create new pseudos. */ + no_new_pseudos = 0; + /* Collect loop information to be used in SMS. */ + cfg_layout_initialize (CLEANUP_UPDATE_LIFE); + sms_schedule (dump_file); + + /* Update the life information, because we add pseudos. */ + max_regno = max_reg_num (); + allocate_reg_info (max_regno, FALSE, FALSE); + blocks = sbitmap_alloc (last_basic_block); + sbitmap_ones (blocks); + update_life_info (blocks, UPDATE_LIFE_GLOBAL_RM_NOTES, + (PROP_DEATH_NOTES + | PROP_REG_INFO + | PROP_KILL_DEAD_CODE + | PROP_SCAN_DEAD_CODE)); + + no_new_pseudos = 1; + + /* Finalize layout changes. */ + FOR_EACH_BB (bb) + if (bb->next_bb != EXIT_BLOCK_PTR) + bb->aux = bb->next_bb; + cfg_layout_finalize (); + free_dominance_info (CDI_DOMINATORS); +#endif /* INSN_SCHEDULING */ +} + +struct tree_opt_pass pass_sms = +{ + "sms", /* name */ + gate_handle_sms, /* gate */ + rest_of_handle_sms, /* execute */ + NULL, /* sub */ + NULL, /* next */ + 0, /* static_pass_number */ + TV_SMS, /* tv_id */ + 0, /* properties_required */ + 0, /* properties_provided */ + 0, /* properties_destroyed */ + 0, /* todo_flags_start */ + TODO_dump_func | + TODO_ggc_collect, /* todo_flags_finish */ + 'm' /* letter */ +}; |