diff options
Diffstat (limited to 'gcc/basic-block.h')
| -rw-r--r-- | gcc/basic-block.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/gcc/basic-block.h b/gcc/basic-block.h index 1a49c5f..95ee0dd 100644 --- a/gcc/basic-block.h +++ b/gcc/basic-block.h @@ -140,12 +140,11 @@ typedef struct edge_def { } *edge; #define EDGE_FALLTHRU 1 -#define EDGE_CRITICAL 2 -#define EDGE_ABNORMAL 4 -#define EDGE_ABNORMAL_CALL 8 -#define EDGE_EH 16 -#define EDGE_FAKE 32 -#define EDGE_DFS_BACK 64 +#define EDGE_ABNORMAL 2 +#define EDGE_ABNORMAL_CALL 4 +#define EDGE_EH 8 +#define EDGE_FAKE 16 +#define EDGE_DFS_BACK 32 #define EDGE_COMPLEX (EDGE_ABNORMAL | EDGE_ABNORMAL_CALL | EDGE_EH) @@ -315,7 +314,8 @@ extern void remove_edge PARAMS ((edge)); extern void redirect_edge_succ PARAMS ((edge, basic_block)); extern edge redirect_edge_succ_nodup PARAMS ((edge, basic_block)); extern void redirect_edge_pred PARAMS ((edge, basic_block)); -extern void create_basic_block PARAMS ((int, rtx, rtx, rtx)); +extern basic_block create_basic_block_structure PARAMS ((int, rtx, rtx, rtx)); +extern basic_block create_basic_block PARAMS ((int, rtx, rtx)); extern int flow_delete_block PARAMS ((basic_block)); extern void merge_blocks_nomove PARAMS ((basic_block, basic_block)); extern void tidy_fallthru_edge PARAMS ((edge, basic_block, @@ -536,6 +536,10 @@ struct edge_list + REG_BR_PROB_BASE / 2) \ / REG_BR_PROB_BASE) +/* Return nonzero if edge is critical. */ +#define EDGE_CRITICAL_P(e) ((e)->src->succ->succ_next \ + && (e)->dest->pred->pred_next) + struct edge_list * create_edge_list PARAMS ((void)); void free_edge_list PARAMS ((struct edge_list *)); void print_edge_list PARAMS ((FILE *, struct edge_list *)); @@ -629,6 +633,7 @@ extern void allocate_bb_life_data PARAMS ((void)); extern void find_unreachable_blocks PARAMS ((void)); extern void delete_noop_moves PARAMS ((rtx)); extern basic_block redirect_edge_and_branch_force PARAMS ((edge, basic_block)); +extern basic_block force_nonfallthru PARAMS ((edge)); extern bool redirect_edge_and_branch PARAMS ((edge, basic_block)); extern rtx block_label PARAMS ((basic_block)); extern bool forwarder_block_p PARAMS ((basic_block)); |