diff options
Diffstat (limited to 'gcc/postreload-gcse.c')
| -rw-r--r-- | gcc/postreload-gcse.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/postreload-gcse.c b/gcc/postreload-gcse.c index 5558e93..cf08c09 100644 --- a/gcc/postreload-gcse.c +++ b/gcc/postreload-gcse.c @@ -44,6 +44,8 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA #include "hashtab.h" #include "params.h" #include "target.h" +#include "timevar.h" +#include "tree-pass.h" /* The following code implements gcse after reload, the purpose of this pass is to cleanup redundant loads generated by reload and other @@ -1337,3 +1339,37 @@ gcse_after_reload_main (rtx f ATTRIBUTE_UNUSED) free_mem (); } + +static bool +gate_handle_gcse2 (void) +{ + return (optimize > 0 && flag_gcse_after_reload); +} + + +static void +rest_of_handle_gcse2 (void) +{ + gcse_after_reload_main (get_insns ()); + rebuild_jump_labels (get_insns ()); + delete_trivially_dead_insns (get_insns (), max_reg_num ()); +} + +struct tree_opt_pass pass_gcse2 = +{ + "gcse2", /* name */ + gate_handle_gcse2, /* gate */ + rest_of_handle_gcse2, /* execute */ + NULL, /* sub */ + NULL, /* next */ + 0, /* static_pass_number */ + TV_GCSE_AFTER_RELOAD, /* tv_id */ + 0, /* properties_required */ + 0, /* properties_provided */ + 0, /* properties_destroyed */ + 0, /* todo_flags_start */ + TODO_dump_func | + TODO_verify_flow | TODO_ggc_collect, /* todo_flags_finish */ + 'J' /* letter */ +}; + |