2004-02-07 Paolo Bonzini <bonzini@gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / basic-block.h

diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index e801baf..05f41c0 100644 (file)
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -288,6 +288,17 @@ extern varray_type basic_block_info;
 #define FOR_EACH_BB_REVERSE(BB) \
   FOR_BB_BETWEEN (BB, EXIT_BLOCK_PTR->prev_bb, ENTRY_BLOCK_PTR, prev_bb)
 
+/* For iterating over insns in basic block.  */
+#define FOR_BB_INSNS(BB, INSN)                 \
+  for ((INSN) = BB_HEAD (BB);                  \
+       (INSN) != NEXT_INSN (BB_END (BB));      \
+       (INSN) = NEXT_INSN (INSN))
+
+#define FOR_BB_INSNS_REVERSE(BB, INSN)         \
+  for ((INSN) = BB_END (BB);                   \
+       (INSN) != PREV_INSN (BB_HEAD (BB));     \
+       (INSN) = PREV_INSN (INSN))
+
 /* Cycles through _all_ basic blocks, even the fake ones (entry and
    exit block).  */
 
@@ -363,8 +374,6 @@ extern edge redirect_edge_succ_nodup (edge, basic_block);
 extern void redirect_edge_pred (edge, basic_block);
 extern basic_block create_basic_block_structure (rtx, rtx, rtx, basic_block);
 extern void clear_bb_flags (void);
-extern void tidy_fallthru_edge (edge, basic_block, basic_block);
-extern void tidy_fallthru_edges (void);
 extern void flow_reverse_top_sort_order_compute (int *);
 extern int flow_depth_first_order_compute (int *, int *);
 extern void flow_preorder_transversal_compute (int *);
@@ -480,6 +489,10 @@ enum update_life_extent
                                 | PROP_SCAN_DEAD_CODE | PROP_AUTOINC \
                                 | PROP_ALLOW_CFG_CHANGES \
                                 | PROP_SCAN_DEAD_STORES)
+#define PROP_POSTRELOAD                (PROP_DEATH_NOTES  \
+                                | PROP_KILL_DEAD_CODE  \
+                                | PROP_SCAN_DEAD_CODE | PROP_AUTOINC \
+                                | PROP_SCAN_DEAD_STORES)
 
 #define CLEANUP_EXPENSIVE      1       /* Do relatively expensive optimizations
                                           except for edge forwarding */
@@ -495,6 +508,7 @@ enum update_life_extent
 #define CLEANUP_NO_INSN_DEL    128     /* Do not try to delete trivially dead
                                           insns.  */
 #define CLEANUP_CFGLAYOUT      256     /* Do cleanup in cfglayout mode.  */
+#define CLEANUP_LOG_LINKS      512     /* Update log links.  */
 extern void life_analysis (rtx, FILE *, int);
 extern int update_life_info (sbitmap, enum update_life_extent, int);
 extern int update_life_info_in_dirty_blocks (enum update_life_extent, int);
@@ -532,7 +546,6 @@ extern bool probably_never_executed_bb_p (basic_block);
 
 /* In flow.c */
 extern void init_flow (void);
-extern void dump_bb (basic_block, FILE *);
 extern void debug_bb (basic_block);
 extern basic_block debug_bb_n (int);
 extern void dump_regset (regset, FILE *);
@@ -553,6 +566,7 @@ extern bool purge_all_dead_edges (int);
 extern bool purge_dead_edges (basic_block);
 extern void find_sub_basic_blocks (basic_block);
 extern void find_many_sub_basic_blocks (sbitmap);
+extern void make_eh_edge (sbitmap *, basic_block, rtx);
 extern bool can_fallthru (basic_block, basic_block);
 extern void flow_nodes_print (const char *, const sbitmap, FILE *);
 extern void flow_edge_list_print (const char *, const edge *, int, FILE *);
@@ -565,11 +579,6 @@ extern void alloc_aux_for_edges (int);
 extern void clear_aux_for_edges (void);
 extern void free_aux_for_edges (void);
 
-/* This function is always defined so it can be called from the
-   debugger, and it is declared extern so we don't get warnings about
-   it being unused.  */
-extern void verify_flow_info (void);
-
 typedef struct conflict_graph_def *conflict_graph;
 
 /* Callback function when enumerating conflicts.  The arguments are
@@ -641,6 +650,7 @@ extern void verify_dominators (enum cdi_direction);
 extern basic_block first_dom_son (enum cdi_direction, basic_block);
 extern basic_block next_dom_son (enum cdi_direction, basic_block);
 extern bool try_redirect_by_replacing_jump (edge, basic_block, bool);
+extern void break_superblocks (void);
 
 #include "cfghooks.h"