aboutsummaryrefslogtreecommitdiff
path: root/gcc/ira-emit.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/ira-emit.c')
-rw-r--r--gcc/ira-emit.c136
1 files changed, 81 insertions, 55 deletions
diff --git a/gcc/ira-emit.c b/gcc/ira-emit.c
index 08d1c34..c75974b 100644
--- a/gcc/ira-emit.c
+++ b/gcc/ira-emit.c
@@ -715,8 +715,8 @@ modify_move_list (move_t list)
&& ALLOCNO_HARD_REGNO
(hard_regno_last_set[hard_regno + i]->to) >= 0)
{
+ int n, j;
ira_allocno_t new_allocno;
- ira_object_t new_obj;
set_move = hard_regno_last_set[hard_regno + i];
/* It does not matter what loop_tree_node (of TO or
@@ -729,19 +729,25 @@ modify_move_list (move_t list)
ALLOCNO_MODE (new_allocno) = ALLOCNO_MODE (set_move->to);
ira_set_allocno_cover_class
(new_allocno, ALLOCNO_COVER_CLASS (set_move->to));
- ira_create_allocno_object (new_allocno);
+ ira_create_allocno_objects (new_allocno);
ALLOCNO_ASSIGNED_P (new_allocno) = true;
ALLOCNO_HARD_REGNO (new_allocno) = -1;
ALLOCNO_REG (new_allocno)
= create_new_reg (ALLOCNO_REG (set_move->to));
- new_obj = ALLOCNO_OBJECT (new_allocno);
-
/* Make it possibly conflicting with all earlier
created allocnos. Cases where temporary allocnos
created to remove the cycles are quite rare. */
- OBJECT_MIN (new_obj) = 0;
- OBJECT_MAX (new_obj) = ira_objects_num - 1;
+ n = ALLOCNO_NUM_OBJECTS (new_allocno);
+ gcc_assert (n == ALLOCNO_NUM_OBJECTS (set_move->to));
+ for (j = 0; j < n; j++)
+ {
+ ira_object_t new_obj = ALLOCNO_OBJECT (new_allocno, j);
+
+ OBJECT_MIN (new_obj) = 0;
+ OBJECT_MAX (new_obj) = ira_objects_num - 1;
+ }
+
new_move = create_move (set_move->to, new_allocno);
set_move->to = new_allocno;
VEC_safe_push (move_t, heap, move_vec, new_move);
@@ -937,21 +943,26 @@ add_range_and_copies_from_move_list (move_t list, ira_loop_tree_node_t node,
{
ira_allocno_t from = move->from;
ira_allocno_t to = move->to;
- ira_object_t from_obj = ALLOCNO_OBJECT (from);
- ira_object_t to_obj = ALLOCNO_OBJECT (to);
- if (OBJECT_CONFLICT_ARRAY (to_obj) == NULL)
- {
- if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
- fprintf (ira_dump_file, " Allocate conflicts for a%dr%d\n",
- ALLOCNO_NUM (to), REGNO (ALLOCNO_REG (to)));
- ira_allocate_object_conflicts (to_obj, n);
- }
+ int nr, i;
+
bitmap_clear_bit (live_through, ALLOCNO_REGNO (from));
bitmap_clear_bit (live_through, ALLOCNO_REGNO (to));
- IOR_HARD_REG_SET (OBJECT_CONFLICT_HARD_REGS (from_obj), hard_regs_live);
- IOR_HARD_REG_SET (OBJECT_CONFLICT_HARD_REGS (to_obj), hard_regs_live);
- IOR_HARD_REG_SET (OBJECT_TOTAL_CONFLICT_HARD_REGS (from_obj), hard_regs_live);
- IOR_HARD_REG_SET (OBJECT_TOTAL_CONFLICT_HARD_REGS (to_obj), hard_regs_live);
+
+ nr = ALLOCNO_NUM_OBJECTS (to);
+ for (i = 0; i < nr; i++)
+ {
+ ira_object_t to_obj = ALLOCNO_OBJECT (to, i);
+ if (OBJECT_CONFLICT_ARRAY (to_obj) == NULL)
+ {
+ if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
+ fprintf (ira_dump_file, " Allocate conflicts for a%dr%d\n",
+ ALLOCNO_NUM (to), REGNO (ALLOCNO_REG (to)));
+ ira_allocate_object_conflicts (to_obj, n);
+ }
+ }
+ ior_hard_reg_conflicts (from, &hard_regs_live);
+ ior_hard_reg_conflicts (to, &hard_regs_live);
+
update_costs (from, true, freq);
update_costs (to, false, freq);
cp = ira_add_allocno_copy (from, to, freq, false, move->insn, NULL);
@@ -960,58 +971,73 @@ add_range_and_copies_from_move_list (move_t list, ira_loop_tree_node_t node,
cp->num, ALLOCNO_NUM (cp->first),
REGNO (ALLOCNO_REG (cp->first)), ALLOCNO_NUM (cp->second),
REGNO (ALLOCNO_REG (cp->second)));
- r = OBJECT_LIVE_RANGES (from_obj);
- if (r == NULL || r->finish >= 0)
+
+ nr = ALLOCNO_NUM_OBJECTS (from);
+ for (i = 0; i < nr; i++)
{
- OBJECT_LIVE_RANGES (from_obj)
- = ira_create_live_range (from_obj, start, ira_max_point, r);
- if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
- fprintf (ira_dump_file,
- " Adding range [%d..%d] to allocno a%dr%d\n",
- start, ira_max_point, ALLOCNO_NUM (from),
- REGNO (ALLOCNO_REG (from)));
+ ira_object_t from_obj = ALLOCNO_OBJECT (from, i);
+ r = OBJECT_LIVE_RANGES (from_obj);
+ if (r == NULL || r->finish >= 0)
+ {
+ ira_add_live_range_to_object (from_obj, start, ira_max_point);
+ if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
+ fprintf (ira_dump_file,
+ " Adding range [%d..%d] to allocno a%dr%d\n",
+ start, ira_max_point, ALLOCNO_NUM (from),
+ REGNO (ALLOCNO_REG (from)));
+ }
+ else
+ {
+ r->finish = ira_max_point;
+ if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
+ fprintf (ira_dump_file,
+ " Adding range [%d..%d] to allocno a%dr%d\n",
+ r->start, ira_max_point, ALLOCNO_NUM (from),
+ REGNO (ALLOCNO_REG (from)));
+ }
}
- else
+ ira_max_point++;
+ nr = ALLOCNO_NUM_OBJECTS (to);
+ for (i = 0; i < nr; i++)
{
- r->finish = ira_max_point;
- if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
- fprintf (ira_dump_file,
- " Adding range [%d..%d] to allocno a%dr%d\n",
- r->start, ira_max_point, ALLOCNO_NUM (from),
- REGNO (ALLOCNO_REG (from)));
+ ira_object_t to_obj = ALLOCNO_OBJECT (to, i);
+ ira_add_live_range_to_object (to_obj, ira_max_point, -1);
}
ira_max_point++;
- OBJECT_LIVE_RANGES (to_obj)
- = ira_create_live_range (to_obj, ira_max_point, -1,
- OBJECT_LIVE_RANGES (to_obj));
- ira_max_point++;
}
for (move = list; move != NULL; move = move->next)
{
- ira_object_t to_obj = ALLOCNO_OBJECT (move->to);
- r = OBJECT_LIVE_RANGES (to_obj);
- if (r->finish < 0)
+ int nr, i;
+ nr = ALLOCNO_NUM_OBJECTS (move->to);
+ for (i = 0; i < nr; i++)
{
- r->finish = ira_max_point - 1;
- if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
- fprintf (ira_dump_file,
- " Adding range [%d..%d] to allocno a%dr%d\n",
- r->start, r->finish, ALLOCNO_NUM (move->to),
- REGNO (ALLOCNO_REG (move->to)));
+ ira_object_t to_obj = ALLOCNO_OBJECT (move->to, i);
+ r = OBJECT_LIVE_RANGES (to_obj);
+ if (r->finish < 0)
+ {
+ r->finish = ira_max_point - 1;
+ if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
+ fprintf (ira_dump_file,
+ " Adding range [%d..%d] to allocno a%dr%d\n",
+ r->start, r->finish, ALLOCNO_NUM (move->to),
+ REGNO (ALLOCNO_REG (move->to)));
+ }
}
}
EXECUTE_IF_SET_IN_BITMAP (live_through, FIRST_PSEUDO_REGISTER, regno, bi)
{
ira_allocno_t to;
- ira_object_t obj;
+ int nr, i;
+
a = node->regno_allocno_map[regno];
- to = ALLOCNO_MEM_OPTIMIZED_DEST (a);
- if (to != NULL)
+ if ((to = ALLOCNO_MEM_OPTIMIZED_DEST (a)) != NULL)
a = to;
- obj = ALLOCNO_OBJECT (a);
- OBJECT_LIVE_RANGES (obj)
- = ira_create_live_range (obj, start, ira_max_point - 1,
- OBJECT_LIVE_RANGES (obj));
+ nr = ALLOCNO_NUM_OBJECTS (a);
+ for (i = 0; i < nr; i++)
+ {
+ ira_object_t obj = ALLOCNO_OBJECT (a, i);
+ ira_add_live_range_to_object (obj, start, ira_max_point - 1);
+ }
if (internal_flag_ira_verbose > 2 && ira_dump_file != NULL)
fprintf
(ira_dump_file,