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2011-09-22 Revital Eres <revital.eres@linaro.org>
gcc/
Backport from trunk -r178804:
modulo-sched.c (remove_node_from_ps): Return void
instead of bool.
(optimize_sc): Adjust call to remove_node_from_ps.
(sms_schedule): Add print info.
=== modified file 'gcc/modulo-sched.c'
--- old/gcc/modulo-sched.c 2011-08-09 04:51:48 +0000
+++ new/gcc/modulo-sched.c 2011-09-14 11:06:06 +0000
@@ -211,7 +211,7 @@
static bool try_scheduling_node_in_cycle (partial_schedule_ptr, ddg_node_ptr,
int, int, sbitmap, int *, sbitmap,
sbitmap);
-static bool remove_node_from_ps (partial_schedule_ptr, ps_insn_ptr);
+static void remove_node_from_ps (partial_schedule_ptr, ps_insn_ptr);
#define SCHED_ASAP(x) (((node_sched_params_ptr)(x)->aux.info)->asap)
#define SCHED_TIME(x) (((node_sched_params_ptr)(x)->aux.info)->time)
@@ -834,8 +834,7 @@
if (next_ps_i->node->cuid == g->closing_branch->cuid)
break;
- gcc_assert (next_ps_i);
- gcc_assert (remove_node_from_ps (ps, next_ps_i));
+ remove_node_from_ps (ps, next_ps_i);
success =
try_scheduling_node_in_cycle (ps, g->closing_branch,
g->closing_branch->cuid, c,
@@ -1485,8 +1484,8 @@
if (dump_file)
{
fprintf (dump_file,
- "SMS succeeded %d %d (with ii, sc)\n", ps->ii,
- stage_count);
+ "%s:%d SMS succeeded %d %d (with ii, sc)\n",
+ insn_file (tail), insn_line (tail), ps->ii, stage_count);
print_partial_schedule (ps, dump_file);
}
@@ -2810,22 +2809,18 @@
}
-/* Removes the given PS_INSN from the partial schedule. Returns false if the
- node is not found in the partial schedule, else returns true. */
-static bool
+/* Removes the given PS_INSN from the partial schedule. */
+static void
remove_node_from_ps (partial_schedule_ptr ps, ps_insn_ptr ps_i)
{
int row;
- if (!ps || !ps_i)
- return false;
-
+ gcc_assert (ps && ps_i);
+
row = SMODULO (ps_i->cycle, ps->ii);
if (! ps_i->prev_in_row)
{
- if (ps_i != ps->rows[row])
- return false;
-
+ gcc_assert (ps_i == ps->rows[row]);
ps->rows[row] = ps_i->next_in_row;
if (ps->rows[row])
ps->rows[row]->prev_in_row = NULL;
@@ -2839,7 +2834,7 @@
ps->rows_length[row] -= 1;
free (ps_i);
- return true;
+ return;
}
/* Unlike what literature describes for modulo scheduling (which focuses
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