* config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.

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

diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index f45129b..b5f045e 100644 (file)
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -142,12 +142,13 @@ struct edge_def GTY((chain_next ("%h.pred_next")))
   /* Auxiliary info specific to a pass.  */
   PTR GTY ((skip (""))) aux;
 
+  /* Location of any goto implicit in the edge, during tree-ssa.  */
+  source_locus goto_locus;
+
   int flags;                   /* see EDGE_* below  */
   int probability;             /* biased by REG_BR_PROB_BASE */
   gcov_type count;             /* Expected number of executions calculated
                                   in profile.c  */
-  bool crossing_edge;           /* Crosses between hot and cold sections, when
-                                  we do partitioning.  */
 };
 
 typedef struct edge_def *edge;
@@ -171,7 +172,10 @@ typedef struct edge_def *edge;
                                           predicate is zero.  */
 #define EDGE_EXECUTABLE                4096    /* Edge is executable.  Only
                                           valid during SSA-CCP.  */
-#define EDGE_ALL_FLAGS         8191
+#define EDGE_CROSSING          8192    /* Edge crosses between hot
+                                          and cold sections, when we
+                                          do partitioning.  */
+#define EDGE_ALL_FLAGS        16383
 
 #define EDGE_COMPLEX   (EDGE_ABNORMAL | EDGE_ABNORMAL_CALL | EDGE_EH)
 
@@ -297,7 +301,7 @@ typedef struct reorder_block_def
 
   /* These fields are used by bb-reorder pass.  */
   int visited;
-} *reorder_block_def;
+} *reorder_block_def_p;
 
 #define BB_FREQ_MAX 10000
 
@@ -327,6 +331,14 @@ extern int last_basic_block;
 
 extern int n_edges;
 
+/* Signalize the status of profile information in the CFG.  */
+extern enum profile_status
+{
+  PROFILE_ABSENT,
+  PROFILE_GUESSED,
+  PROFILE_READ
+} profile_status;
+
 /* Index by basic block number, get basic block struct info.  */
 
 extern GTY(()) varray_type basic_block_info;
@@ -367,7 +379,6 @@ extern regset regs_live_at_setjmp;
 /* Special labels found during CFG build.  */
 
 extern GTY(()) rtx label_value_list;
-extern GTY(()) rtx tail_recursion_label_list;
 
 extern struct obstack flow_obstack;
 
@@ -415,6 +426,7 @@ extern void commit_edge_insertions (void);
 extern void commit_edge_insertions_watch_calls (void);
 
 extern void remove_fake_edges (void);
+extern void remove_fake_exit_edges (void);
 extern void add_noreturn_fake_exit_edges (void);
 extern void connect_infinite_loops_to_exit (void);
 extern edge unchecked_make_edge (basic_block, basic_block, int);
@@ -433,6 +445,7 @@ extern void flow_preorder_transversal_compute (int *);
 extern int dfs_enumerate_from (basic_block, int,
                               bool (*)(basic_block, void *),
                               basic_block *, int, void *);
+extern void compute_dominance_frontiers (bitmap *);
 extern void dump_edge_info (FILE *, edge, int);
 extern void brief_dump_cfg (FILE *);
 extern void clear_edges (void);
@@ -554,16 +567,15 @@ enum update_life_extent
 #define CLEANUP_CROSSJUMP      2       /* Do crossjumping.  */
 #define CLEANUP_POST_REGSTACK  4       /* We run after reg-stack and need
                                           to care REG_DEAD notes.  */
-#define CLEANUP_PRE_SIBCALL    8       /* Do not get confused by code hidden
-                                          inside call_placeholders..  */
-#define CLEANUP_PRE_LOOP       16      /* Take care to preserve syntactic loop
+#define CLEANUP_PRE_LOOP       8       /* Take care to preserve syntactic loop
                                           notes.  */
-#define CLEANUP_UPDATE_LIFE    32      /* Keep life information up to date.  */
-#define CLEANUP_THREADING      64      /* Do jump threading.  */
-#define CLEANUP_NO_INSN_DEL    128     /* Do not try to delete trivially dead
+#define CLEANUP_UPDATE_LIFE    16      /* Keep life information up to date.  */
+#define CLEANUP_THREADING      32      /* Do jump threading.  */
+#define CLEANUP_NO_INSN_DEL    64      /* 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.  */
+#define CLEANUP_CFGLAYOUT      128     /* Do cleanup in cfglayout mode.  */
+#define CLEANUP_LOG_LINKS      256     /* Update log links.  */
+
 extern void life_analysis (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);
@@ -593,7 +605,6 @@ extern rtx emit_block_insn_before (rtx, rtx, basic_block);
 
 /* In predict.c */
 extern void estimate_probability (struct loops *);
-extern void note_prediction_to_br_prob (void);
 extern void expected_value_to_br_prob (void);
 extern bool maybe_hot_bb_p (basic_block);
 extern bool probably_cold_bb_p (basic_block);
@@ -628,6 +639,7 @@ extern void find_sub_basic_blocks (basic_block);
 extern void find_many_sub_basic_blocks (sbitmap);
 extern void rtl_make_eh_edge (sbitmap *, basic_block, rtx);
 extern bool can_fallthru (basic_block, basic_block);
+extern bool could_fall_through (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 *);
 extern void alloc_aux_for_block (basic_block, int);
@@ -674,7 +686,7 @@ extern bool inside_basic_block_p (rtx);
 extern bool control_flow_insn_p (rtx);
 
 /* In bb-reorder.c */
-extern void reorder_basic_blocks (void);
+extern void reorder_basic_blocks (unsigned int);
 extern void partition_hot_cold_basic_blocks (void);
 
 /* In cfg.c */
@@ -721,6 +733,7 @@ extern basic_block first_dom_son (enum cdi_direction, basic_block);
 extern basic_block next_dom_son (enum cdi_direction, basic_block);
 extern edge try_redirect_by_replacing_jump (edge, basic_block, bool);
 extern void break_superblocks (void);
+extern void check_bb_profile (basic_block, FILE *);
 
 #include "cfghooks.h"