made code C89 compliant (changed unnamed union in attributes)

[libfirm] / ir / be / becopyheur.c

diff --git a/ir/be/becopyheur.c b/ir/be/becopyheur.c
index 42d4067..7b16fe1 100644 (file)
--- a/ir/be/becopyheur.c
+++ b/ir/be/becopyheur.c
@@ -23,21 +23,20 @@
 #include <malloc.h>
 #endif
 
+#include "debug.h"
 #include "xmalloc.h"
-#include "becopyopt.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
 
-#define SLOTS_PINNED_GLOBAL 256
+#define SLOTS_PINNED_GLOBAL 64
 #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))
 
@@ -104,7 +103,7 @@ static INLINE void qnode_add_conflict(const qnode_t *qn, const ir_node *n1, cons
 static INLINE int qnode_are_conflicting(const qnode_t *qn, const ir_node *n1, const ir_node *n2) {
        conflict_t c;
        /* search for live range interference */
-       if (n1!=n2 && nodes_interfere(qn->ou->co->chordal_env, n1, n2))
+       if (n1!=n2 && nodes_interfere(qn->ou->co->cenv, n1, n2))
                return 1;
        /* search for recoloring conflicts */
        if ((int)n1 < (int)n2) {
@@ -213,9 +212,10 @@ static INLINE void qnode_pin_local(const qnode_t *qn, ir_node *irn) {
  *
  */
 static ir_node *qnode_color_irn(const qnode_t *qn, ir_node *irn, int col, const ir_node *trigger) {
-       const be_chordal_env_t *chordal_env = qn->ou->co->chordal_env;
-       const arch_register_class_t *cls = chordal_env->cls;
-       const arch_env_t *arch_env = chordal_env->main_env->arch_env;
+       copy_opt_t *co = qn->ou->co;
+       const be_chordal_env_t *chordal_env = co->cenv;
+       const arch_register_class_t *cls = co->cls;
+       const arch_env_t *arch_env = co->aenv;
        int irn_col = qnode_get_new_color(qn, irn);
        ir_node *sub_res, *curr;
        be_ifg_t *ifg = chordal_env->ifg;
@@ -455,7 +455,7 @@ static INLINE qnode_t *new_qnode(const unit_t *ou, int color) {
        qnode_t *qn = xmalloc(sizeof(*qn));
        qn->ou = ou;
        qn->color = color;
-       qn->mis = malloc(ou->node_count * sizeof(*qn->mis));
+       qn->mis = xmalloc(ou->node_count * sizeof(*qn->mis));
        qn->conflicts = new_set(set_cmp_conflict_t, SLOTS_CONFLICTS);
        qn->changed_nodes = new_set(set_cmp_node_stat_t, SLOTS_CHANGED_NODES);
        return qn;
@@ -507,8 +507,8 @@ static INLINE void ou_insert_qnode(unit_t *ou, qnode_t *qn) {
 static void ou_optimize(unit_t *ou) {
        int i;
        qnode_t *curr = NULL, *tmp;
-       arch_env_t *aenv = get_arch_env(ou->co);
-       const arch_register_class_t *cls = ou->co->chordal_env->cls;
+       const arch_env_t *aenv = ou->co->aenv;
+       const arch_register_class_t *cls = ou->co->cls;
        bitset_t *pos_regs = bitset_alloca(cls->n_regs);
        bitset_t *ign_regs = bitset_alloca(cls->n_regs);
 
@@ -525,6 +525,8 @@ static void ou_optimize(unit_t *ou) {
        arch_put_non_ignore_regs(aenv, cls, ign_regs);
        bitset_and(pos_regs, ign_regs);
 
+       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));
@@ -576,9 +578,11 @@ static void ou_optimize(unit_t *ou) {
                free_qnode(curr);
 }
 
-void co_heur_opt(copy_opt_t *co) {
+int co_solve_heuristic(copy_opt_t *co) {
        unit_t *curr;
-       dbg = firm_dbg_register("ir.be.copyoptheur");
+       FIRM_DBG_REGISTER(dbg, "ir.be.copyoptheur");
+
+       ASSERT_OU_AVAIL(co);
 
        pinned_global = pset_new_ptr(SLOTS_PINNED_GLOBAL);
        list_for_each_entry(unit_t, curr, &co->units, units)
@@ -586,4 +590,6 @@ void co_heur_opt(copy_opt_t *co) {
                        ou_optimize(curr);
 
        del_pset(pinned_global);
+
+       return 0;
 }