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Handled RegParams and Barriers better in constraint handling
[libfirm]
/
ir
/
be
/
becopyheur.c
diff --git
a/ir/be/becopyheur.c
b/ir/be/becopyheur.c
index
3631a40
..
3f642d2
100644
(file)
--- a/
ir/be/becopyheur.c
+++ b/
ir/be/becopyheur.c
@@
-28,17
+28,15
@@
#include "becopyopt_t.h"
#include "becopystat.h"
#include "bitset.h"
#include "becopyopt_t.h"
#include "becopystat.h"
#include "bitset.h"
-#include "bearch.h"
static firm_dbg_module_t *dbg = NULL;
#define SEARCH_FREE_COLORS
static firm_dbg_module_t *dbg = NULL;
#define SEARCH_FREE_COLORS
-#define SLOTS_PINNED_GLOBAL
256
+#define SLOTS_PINNED_GLOBAL
64
#define SLOTS_CONFLICTS 8
#define SLOTS_CHANGED_NODES 32
#define SLOTS_CONFLICTS 8
#define SLOTS_CHANGED_NODES 32
-#define MIN(a,b) ((a<b)?(a):(b))
#define list_entry_queue(lh) list_entry(lh, qnode_t, queue)
#define HASH_CONFLICT(c) (HASH_PTR(c.n1) ^ HASH_PTR(c.n2))
#define list_entry_queue(lh) list_entry(lh, qnode_t, queue)
#define HASH_CONFLICT(c) (HASH_PTR(c.n1) ^ HASH_PTR(c.n2))
@@
-527,6
+525,8
@@
static void ou_optimize(unit_t *ou) {
arch_put_non_ignore_regs(aenv, cls, ign_regs);
bitset_and(pos_regs, ign_regs);
arch_put_non_ignore_regs(aenv, cls, ign_regs);
bitset_and(pos_regs, ign_regs);
+ assert(bitset_popcnt(pos_regs) != 0 && "No register is allowed for this node !!?");
+
/* create new qnode */
bitset_foreach(pos_regs, i)
ou_insert_qnode(ou, new_qnode(ou, i));
/* create new qnode */
bitset_foreach(pos_regs, i)
ou_insert_qnode(ou, new_qnode(ou, i));