Fixed name mangling for private entities
[libfirm] / ir / be / beschednormal.c
index e642435..46aa21b 100644 (file)
 
 #include <stdlib.h>
 
-#include "besched_t.h"
+#include "besched.h"
 #include "belistsched.h"
 #include "belive_t.h"
 #include "beutil.h"
 #include "height.h"
 #include "irtools.h"
 #include "irgwalk.h"
-#include "benode_t.h"
+#include "benode.h"
 #include "array_t.h"
 
 // XXX there is no one time init for schedulers
@@ -42,8 +42,9 @@
 
 /** An instance of the normal scheduler. */
 typedef struct instance_t {
-       ir_graph*      irg;  /**< the IR graph of this instance */
-       struct obstack obst; /**< obstack for temporary data */
+       ir_graph*      irg;          /**< the IR graph of this instance */
+       struct obstack obst;         /**< obstack for temporary data */
+       ir_node*       curr_list;    /**< current block schedule list */
 } instance_t;
 
 static int must_be_scheduled(const ir_node* const irn)
@@ -55,31 +56,30 @@ static int must_be_scheduled(const ir_node* const irn)
 static ir_node *normal_select(void *block_env, ir_nodeset_t *ready_set,
                               ir_nodeset_t *live_set)
 {
+       instance_t* inst = block_env;
+       ir_node*    irn;
+       ir_node*    next;
+       ir_node*    last = NULL;
        ir_nodeset_iterator_t iter;
-       ir_node*  block;
-       ir_node*  irn;
-       ir_node** sched;
-       int sched_count;
 
-       (void)block_env;
        (void)live_set;
 
-       ir_nodeset_iterator_init(&iter, ready_set);
-       irn = ir_nodeset_iterator_next(&iter);
-       block = get_nodes_block(irn);
-       sched = get_irn_link(block);
-       sched_count = ARR_LEN(sched);
-       for (; sched_count-- != 0; ++sched) {
-               ir_node* irn = *sched;
-               if (ir_nodeset_contains(ready_set, irn) &&
-                               !arch_irn_class_is(irn, branch)) {
+       for (irn = inst->curr_list; irn != NULL; last = irn, irn = next) {
+               next = get_irn_link(irn);
+               if (ir_nodeset_contains(ready_set, irn)) {
 #if defined NORMAL_DBG
                        ir_fprintf(stderr, "scheduling %+F\n", irn);
 #endif
+                       if (last == NULL)
+                               inst->curr_list = next;
+                       else
+                               set_irn_link(last, next);
                        return irn;
                }
        }
 
+       ir_nodeset_iterator_init(&iter, ready_set);
+       irn = ir_nodeset_iterator_next(&iter);
        return irn;
 }
 
@@ -154,7 +154,7 @@ static int normal_tree_cost(ir_node* irn, instance_t *inst)
                int            i;
                ir_node*       block = get_nodes_block(irn);
 
-               fc = obstack_alloc(&inst->obst, sizeof(*fc) + sizeof(*fc->costs) * arity);
+               fc = OALLOCF(&inst->obst, flag_and_cost, costs, arity);
                fc->no_root = 0;
                costs = fc->costs;
 
@@ -303,8 +303,8 @@ static int root_cmp(const void* a, const void* b)
 
 static void normal_sched_block(ir_node* block, void* env)
 {
+       ir_node**      roots = get_irn_link(block);
        heights_t*     heights = env;
-       ir_node**      roots   = get_irn_link(block);
        int            root_count;
        irn_cost_pair* root_costs;
        int i;
@@ -371,17 +371,17 @@ static void normal_sched_block(ir_node* block, void* env)
 static void *normal_init_graph(const list_sched_selector_t *vtab,
                                const be_irg_t *birg)
 {
-       instance_t *inst = XMALLOC(instance_t);
-       ir_graph   *irg = be_get_birg_irg(birg);
-       heights_t  *heights;
+       instance_tinst = XMALLOC(instance_t);
+       ir_graph*   irg = be_get_birg_irg(birg);
+       heights_t*  heights;
 
        (void)vtab;
 
-       inst->irg = irg;
-       obstack_init(&inst->obst);
-
        be_clear_links(irg);
 
+       obstack_init(&inst->obst);
+       inst->irg         = irg;
+
        heights = heights_new(irg);
 
        ir_reserve_resources(irg, IR_RESOURCE_IRN_LINK);
@@ -397,13 +397,28 @@ static void *normal_init_graph(const list_sched_selector_t *vtab,
        return inst;
 }
 
-
 static void *normal_init_block(void *graph_env, ir_node *block)
 {
-       (void)graph_env;
-       (void)block;
-
-       return NULL;
+       instance_t* inst  = graph_env;
+       ir_node**   sched = get_irn_link(block);
+       ir_node*    first = NULL;
+       int         i;
+
+       /* turn into a list, so we can easily remove nodes.
+          The link field is used anyway. */
+       for (i = ARR_LEN(sched) - 1; i >= 0; --i) {
+               ir_node* irn = sched[i];
+               if (!is_cfop(irn)) {
+                       set_irn_link(irn, first);
+                       first = irn;
+               }
+       }
+       /* note: we can free sched here, there should be no attempt to schedule
+          a block twice */
+       DEL_ARR_F(sched);
+       set_irn_link(block, sched);
+       inst->curr_list = first;
+       return inst;
 }
 
 void normal_finish_graph(void *env)