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basic-block.h: Remove the prototype for commit_edge_insertions_watch_calls.

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* basic-block.h: Remove the prototype for
	commit_edge_insertions_watch_calls.
 	* cfgrtl.c (commit_edge_insertion): Drop the last argument.
	Simplify.
	(commit_edge_insertions_watch_calls): Remove.
	(commit_edge_insertions): Adjust the call to
	commit_one_edge_insertion.

From-SVN: r120157
This commit is contained in:
Kazu Hirata 2006-12-22 23:59:34 +00:00 committed by Kazu Hirata
parent 6e682d7ef0
commit 2ac6615771
3 changed files with 13 additions and 68 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2006-12-22 Kazu Hirata <kazu@codesourcery.com>
* basic-block.h: Remove the prototype for
commit_edge_insertions_watch_calls.
* cfgrtl.c (commit_edge_insertion): Drop the last argument.
Simplify.
(commit_edge_insertions_watch_calls): Remove.
(commit_edge_insertions): Adjust the call to
commit_one_edge_insertion.
2006-12-22 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.

1
gcc/basic-block.h
View File

@ -489,7 +489,6 @@ extern void insert_insn_on_edge (rtx, edge);
basic_block split_edge_and_insert (edge, rtx);
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);

70
gcc/cfgrtl.c
View File

@ -63,7 +63,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
static int can_delete_note_p (rtx);
static int can_delete_label_p (rtx);
static void commit_one_edge_insertion (edge, int);
static void commit_one_edge_insertion (edge);
static basic_block rtl_split_edge (edge);
static bool rtl_move_block_after (basic_block, basic_block);
static int rtl_verify_flow_info (void);
@ -1337,7 +1337,7 @@ insert_insn_on_edge (rtx pattern, edge e)
/* Update the CFG for the instructions queued on edge E. */
static void
commit_one_edge_insertion (edge e, int watch_calls)
commit_one_edge_insertion (edge e)
{
rtx before = NULL_RTX, after = NULL_RTX, insns, tmp, last;
basic_block bb = NULL;
@ -1346,25 +1346,6 @@ commit_one_edge_insertion (edge e, int watch_calls)
insns = e->insns.r;
e->insns.r = NULL_RTX;
/* Special case -- avoid inserting code between call and storing
its return value. */
if (watch_calls && (e->flags & EDGE_FALLTHRU)
&& single_pred_p (e->dest)
&& e->src != ENTRY_BLOCK_PTR
&& CALL_P (BB_END (e->src)))
{
rtx next = next_nonnote_insn (BB_END (e->src));
after = BB_HEAD (e->dest);
/* The first insn after the call may be a stack pop, skip it. */
while (next
&& keep_with_call_p (next))
{
after = next;
next = next_nonnote_insn (next);
}
bb = e->dest;
}
if (!before && !after)
{
/* Figure out where to put these things. If the destination has
@ -1503,7 +1484,7 @@ commit_edge_insertions (void)
if (e->insns.r)
{
changed = true;
commit_one_edge_insertion (e, false);
commit_one_edge_insertion (e);
}
}
@ -1532,51 +1513,6 @@ commit_edge_insertions (void)
sbitmap_free (blocks);
}
/* Update the CFG for all queued instructions, taking special care of inserting
code on edges between call and storing its return value. */
void
commit_edge_insertions_watch_calls (void)
{
basic_block bb;
sbitmap blocks;
bool changed = false;
#ifdef ENABLE_CHECKING
verify_flow_info ();
#endif
FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR, next_bb)
{
edge e;
edge_iterator ei;
FOR_EACH_EDGE (e, ei, bb->succs)
if (e->insns.r)
{
changed = true;
commit_one_edge_insertion (e, true);
}
}
if (!changed)
return;
blocks = sbitmap_alloc (last_basic_block);
sbitmap_zero (blocks);
FOR_EACH_BB (bb)
if (bb->aux)
{
SET_BIT (blocks, bb->index);
/* Check for forgotten bb->aux values before commit_edge_insertions
call. */
gcc_assert (bb->aux == &bb->aux);
bb->aux = NULL;
}
find_many_sub_basic_blocks (blocks);
sbitmap_free (blocks);
}
/* Print out RTL-specific basic block information (live information
at start and end). */