/* Control flow graph building code for GNU compiler.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GCC.
\f
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "tree.h"
#include "rtl.h"
#include "hard-reg-set.h"
#include "except.h"
#include "toplev.h"
#include "timevar.h"
-#include "obstack.h"
static int count_basic_blocks PARAMS ((rtx));
static void find_basic_blocks_1 PARAMS ((rtx));
static void make_eh_edge PARAMS ((sbitmap *, basic_block, rtx));
static void find_bb_boundaries PARAMS ((basic_block));
static void compute_outgoing_frequencies PARAMS ((basic_block));
-static bool inside_basic_block_p PARAMS ((rtx));
-static bool control_flow_insn_p PARAMS ((rtx));
\f
/* Return true if insn is something that should be contained inside basic
block. */
-static bool
+bool
inside_basic_block_p (insn)
rtx insn;
{
/* Return true if INSN may cause control flow transfer, so it should be last in
the basic block. */
-static bool
+bool
control_flow_insn_p (insn)
rtx insn;
{
for (insn = f; insn; insn = NEXT_INSN (insn))
{
- /* Code labels and barriers causes curent basic block to be
+ /* Code labels and barriers causes current basic block to be
terminated at previous real insn. */
if ((GET_CODE (insn) == CODE_LABEL || GET_CODE (insn) == BARRIER)
&& saw_insn)
/* Heavy use of computed goto in machine-generated code can lead to
nearly fully-connected CFGs. In that case we spend a significant
amount of time searching the edge lists for duplicates. */
- if (forced_labels || label_value_list)
+ if (forced_labels || label_value_list || cfun->max_jumptable_ents > 100)
{
edge_cache = sbitmap_vector_alloc (last_basic_block, last_basic_block);
sbitmap_vector_zero (edge_cache, last_basic_block);