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sched-ebb.c (debug_ebb_dependencies): New static function. 

* sched-ebb.c (debug_ebb_dependencies): New static function.
(init_ready_list): Use it.

* sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
with changed signature and 'debug_rgn_dependencies ()'.
(debug_rgn_dependencies): New static function.
(init_ready_list): Use it.
	
* sched-int.h (debug_dependencies): Declare.

From-SVN: r124409
This commit is contained in:
Maxim Kuvyrkov 2007-05-04 07:13:28 +00:00 committed by Maxim Kuvyrkov
parent 04749f41af
commit b640bd8f20
4 changed files with 96 additions and 58 deletions
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12
gcc/ChangeLog
View File

@ -1,3 +1,15 @@
2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* sched-ebb.c (debug_ebb_dependencies): New static function.
(init_ready_list): Use it.
* sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
with changed signature and 'debug_rgn_dependencies ()'.
(debug_rgn_dependencies): New static function.
(init_ready_list): Use it.
* sched-int.h (debug_dependencies): Declare.
2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
* libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.

17
gcc/sched-ebb.c
View File

@ -86,6 +86,19 @@ schedule_more_p (void)
return sched_n_insns < n_insns;
}
/* Print dependency information about ebb between HEAD and TAIL. */
static void
debug_ebb_dependencies (rtx head, rtx tail)
{
fprintf (sched_dump,
";; --------------- forward dependences: ------------ \n");
fprintf (sched_dump, "\n;; --- EBB Dependences --- from bb%d to bb%d \n",
BLOCK_NUM (head), BLOCK_NUM (tail));
debug_dependencies (head, tail);
}
/* Add all insns that are initially ready to the ready list READY. Called
once before scheduling a set of insns. */
@ -99,11 +112,9 @@ init_ready_list (void)
sched_n_insns = 0;
#if 0
/* Print debugging information. */
if (sched_verbose >= 5)
debug_dependencies ();
#endif
debug_ebb_dependencies (NEXT_INSN (prev_head), PREV_INSN (next_tail));
/* Initialize ready list with all 'ready' insns in target block.
Count number of insns in the target block being scheduled. */

3
gcc/sched-int.h
View File

@ -877,4 +877,7 @@ extern rtx bb_note (basic_block);
extern void check_reg_live (bool);
#endif
/* Functions in sched-rgn.c. */
extern void debug_dependencies (rtx, rtx);
#endif /* GCC_SCHED_INT_H */

122
gcc/sched-rgn.c
View File

@ -288,7 +288,6 @@ static bool sets_likely_spilled (rtx);
static void sets_likely_spilled_1 (rtx, rtx, void *);
static void add_branch_dependences (rtx, rtx);
static void compute_block_backward_dependences (int);
void debug_dependencies (void);
static void init_regions (void);
static void schedule_region (int);
@ -1946,6 +1945,8 @@ static void check_dead_notes1 (int, sbitmap);
static int region_head_or_leaf_p (basic_block, int);
#endif
static void debug_rgn_dependencies (int);
/* Return nonzero if there are more insns that should be scheduled. */
static int
@ -1971,7 +1972,7 @@ init_ready_list (void)
/* Print debugging information. */
if (sched_verbose >= 5)
debug_dependencies ();
debug_rgn_dependencies (target_bb);
/* Prepare current target block info. */
if (current_nr_blocks > 1)
@ -2549,73 +2550,84 @@ free_pending_lists (void)
}
}
/* Print dependences for debugging, callable from debugger. */
/* Print dependences for debugging starting from FROM_BB.
Callable from debugger. */
void
debug_dependencies (void)
debug_rgn_dependencies (int from_bb)
{
int bb;
fprintf (sched_dump, ";; --------------- forward dependences: ------------ \n");
for (bb = 0; bb < current_nr_blocks; bb++)
fprintf (sched_dump,
";; --------------- forward dependences: ------------ \n");
for (bb = from_bb; bb < current_nr_blocks; bb++)
{
rtx head, tail;
rtx next_tail;
rtx insn;
gcc_assert (EBB_FIRST_BB (bb) == EBB_LAST_BB (bb));
get_ebb_head_tail (EBB_FIRST_BB (bb), EBB_LAST_BB (bb), &head, &tail);
next_tail = NEXT_INSN (tail);
fprintf (sched_dump, "\n;; --- Region Dependences --- b %d bb %d \n",
BB_TO_BLOCK (bb), bb);
fprintf (sched_dump, ";; %7s%6s%6s%6s%6s%6s%14s\n",
"insn", "code", "bb", "dep", "prio", "cost",
"reservation");
fprintf (sched_dump, ";; %7s%6s%6s%6s%6s%6s%14s\n",
"----", "----", "--", "---", "----", "----",
"-----------");
for (insn = head; insn != next_tail; insn = NEXT_INSN (insn))
{
dep_link_t link;
if (! INSN_P (insn))
{
int n;
fprintf (sched_dump, ";; %6d ", INSN_UID (insn));
if (NOTE_P (insn))
{
n = NOTE_LINE_NUMBER (insn);
if (n < 0)
fprintf (sched_dump, "%s\n", GET_NOTE_INSN_NAME (n));
}
else
fprintf (sched_dump, " {%s}\n", GET_RTX_NAME (GET_CODE (insn)));
continue;
}
fprintf (sched_dump,
";; %s%5d%6d%6d%6d%6d%6d ",
(SCHED_GROUP_P (insn) ? "+" : " "),
INSN_UID (insn),
INSN_CODE (insn),
INSN_BB (insn),
INSN_DEP_COUNT (insn),
INSN_PRIORITY (insn),
insn_cost (insn));
if (recog_memoized (insn) < 0)
fprintf (sched_dump, "nothing");
else
print_reservation (sched_dump, insn);
fprintf (sched_dump, "\t: ");
FOR_EACH_DEP_LINK (link, INSN_FORW_DEPS (insn))
fprintf (sched_dump, "%d ", INSN_UID (DEP_LINK_CON (link)));
fprintf (sched_dump, "\n");
}
debug_dependencies (head, tail);
}
}
/* Print dependencies information for instructions between HEAD and TAIL.
??? This function would probably fit best in haifa-sched.c. */
void debug_dependencies (rtx head, rtx tail)
{
rtx insn;
rtx next_tail = NEXT_INSN (tail);
fprintf (sched_dump, ";; %7s%6s%6s%6s%6s%6s%14s\n",
"insn", "code", "bb", "dep", "prio", "cost",
"reservation");
fprintf (sched_dump, ";; %7s%6s%6s%6s%6s%6s%14s\n",
"----", "----", "--", "---", "----", "----",
"-----------");
for (insn = head; insn != next_tail; insn = NEXT_INSN (insn))
{
dep_link_t link;
if (! INSN_P (insn))
{
int n;
fprintf (sched_dump, ";; %6d ", INSN_UID (insn));
if (NOTE_P (insn))
{
n = NOTE_LINE_NUMBER (insn);
if (n < 0)
fprintf (sched_dump, "%s\n", GET_NOTE_INSN_NAME (n));
}
else
fprintf (sched_dump, " {%s}\n", GET_RTX_NAME (GET_CODE (insn)));
continue;
}
fprintf (sched_dump,
";; %s%5d%6d%6d%6d%6d%6d ",
(SCHED_GROUP_P (insn) ? "+" : " "),
INSN_UID (insn),
INSN_CODE (insn),
BLOCK_NUM (insn),
INSN_DEP_COUNT (insn),
INSN_PRIORITY (insn),
insn_cost (insn));
if (recog_memoized (insn) < 0)
fprintf (sched_dump, "nothing");
else
print_reservation (sched_dump, insn);
fprintf (sched_dump, "\t: ");
FOR_EACH_DEP_LINK (link, INSN_FORW_DEPS (insn))
fprintf (sched_dump, "%d ", INSN_UID (DEP_LINK_CON (link)));
fprintf (sched_dump, "\n");
}
fprintf (sched_dump, "\n");
}