backend: put ignore regs into beirg

[libfirm] / ir / be / bepbqpcoloring.c

diff --git a/ir/be/bepbqpcoloring.c b/ir/be/bepbqpcoloring.c
index 4179704..0ce429a 100644 (file)
--- a/ir/be/bepbqpcoloring.c
+++ b/ir/be/bepbqpcoloring.c
@@ -87,7 +87,7 @@ typedef struct be_pbqp_alloc_env_t {
        ir_graph                    *irg;               /**< The graph under examination. */
        const arch_register_class_t *cls;               /**< Current processed register class */
        be_lv_t                     *lv;
-       bitset_t                    *ignored_regs;
+       bitset_t                    *allocatable_regs;
        pbqp_matrix                 *ife_matrix_template;
        pbqp_matrix                 *aff_matrix_template;
        plist_t                     *rpeo;
@@ -147,7 +147,7 @@ static void create_pbqp_node(be_pbqp_alloc_env_t *pbqp_alloc_env, ir_node *irn)
 {
        const arch_register_class_t *cls = pbqp_alloc_env->cls;
        pbqp     *pbqp_inst              = pbqp_alloc_env->pbqp_inst;
-       bitset_t *ignored_regs           = pbqp_alloc_env->ignored_regs;
+       bitset_t *allocatable_regs       = pbqp_alloc_env->allocatable_regs;
        unsigned  colors_n               = arch_register_class_n_regs(cls);
        unsigned  cntConstrains          = 0;
 
@@ -157,7 +157,7 @@ static void create_pbqp_node(be_pbqp_alloc_env_t *pbqp_alloc_env, ir_node *irn)
        /* set costs depending on register constrains */
        unsigned idx;
        for (idx = 0; idx < colors_n; idx++) {
-               if (bitset_is_set(ignored_regs, idx) || !arch_reg_out_is_allocatable(irn, arch_register_for_index(cls, idx))) {
+               if (!bitset_is_set(allocatable_regs, idx) || !arch_reg_out_is_allocatable(irn, arch_register_for_index(cls, idx))) {
                        /* constrained */
                        vector_set(costs_vector, idx, INF_COSTS);
                        cntConstrains++;
@@ -663,16 +663,16 @@ static void be_pbqp_coloring(be_chordal_env_t *env)
 
 
        /* initialize pbqp allocation data structure */
-       pbqp_alloc_env.pbqp_inst    = alloc_pbqp(get_irg_last_idx(irg));  /* initialize pbqp instance */
-       pbqp_alloc_env.cls          = cls;
-       pbqp_alloc_env.irg          = irg;
-       pbqp_alloc_env.lv           = lv;
-       pbqp_alloc_env.ignored_regs = bitset_malloc(colors_n);
-       pbqp_alloc_env.rpeo         = plist_new();
-       pbqp_alloc_env.restr_nodes  = XMALLOCNZ(unsigned, get_irg_last_idx(irg));
-       pbqp_alloc_env.ife_edge_num = XMALLOCNZ(unsigned, get_irg_last_idx(irg));
-       pbqp_alloc_env.env          = env;
-       be_put_ignore_regs(irg, cls, pbqp_alloc_env.ignored_regs);        /* get ignored registers */
+       pbqp_alloc_env.pbqp_inst        = alloc_pbqp(get_irg_last_idx(irg));  /* initialize pbqp instance */
+       pbqp_alloc_env.cls              = cls;
+       pbqp_alloc_env.irg              = irg;
+       pbqp_alloc_env.lv               = lv;
+       pbqp_alloc_env.allocatable_regs = bitset_malloc(colors_n);
+       pbqp_alloc_env.rpeo             = plist_new();
+       pbqp_alloc_env.restr_nodes      = XMALLOCNZ(unsigned, get_irg_last_idx(irg));
+       pbqp_alloc_env.ife_edge_num     = XMALLOCNZ(unsigned, get_irg_last_idx(irg));
+       pbqp_alloc_env.env              = env;
+       be_put_allocatable_regs(irg, cls, pbqp_alloc_env.allocatable_regs);
 
 
        /* create costs matrix template for interference edges */
@@ -785,7 +785,7 @@ static void be_pbqp_coloring(be_chordal_env_t *env)
 #if KAPS_DUMP
        fclose(file_before);
 #endif
-       bitset_free(pbqp_alloc_env.ignored_regs);
+       bitset_free(pbqp_alloc_env.allocatable_regs);
        free_pbqp(pbqp_alloc_env.pbqp_inst);
        plist_free(pbqp_alloc_env.rpeo);
        xfree(pbqp_alloc_env.restr_nodes);