pset *pre_colored; /**< Set of precolored nodes. */
bitset_t *live; /**< A liveness bitset. */
bitset_t *colors; /**< The color mask. */
- bitset_t *valid_colors; /**< A mask of colors which shall be considered during allocation.
- Registers with the ignore bit on, must not be considered. */
bitset_t *in_colors; /**< Colors used by live in values. */
int colors_n; /**< The number of colors. */
} be_chordal_alloc_env_t;
static INLINE int has_reg_class(const be_chordal_env_t *env, const ir_node *irn)
{
// return arch_irn_has_reg_class(env->main_env->arch_env, irn, -1, env->cls);
- return arch_irn_consider_in_reg_alloc(env->main_env->arch_env, env->cls, irn);
+ return arch_irn_consider_in_reg_alloc(env->birg->main_env->arch_env, env->cls, irn);
}
#define has_limited_constr(req, irn) \
static insn_t *scan_insn(be_chordal_env_t *env, ir_node *irn, struct obstack *obst)
{
- const arch_env_t *arch_env = env->main_env->arch_env;
+ const arch_env_t *arch_env = env->birg->main_env->arch_env;
operand_t o;
insn_t *insn;
int i, n;
if(insn->has_constraints) {
firm_dbg_module_t *dbg = firm_dbg_register("firm.be.chordal.constr");
- const arch_env_t *aenv = env->main_env->arch_env;
+ const arch_env_t *aenv = env->birg->main_env->arch_env;
int n_regs = env->cls->n_regs;
bitset_t *bs = bitset_alloca(n_regs);
ir_node **alloc_nodes = alloca(n_regs * sizeof(alloc_nodes[0]));
bitset_clear_all(bs);
op->req.limited(op->req.limited_env, bs);
- bitset_and(bs, alloc_env->valid_colors);
DBG((dbg, LEVEL_2, "\tallowed registers for %+F: %B\n", op->carrier, bs));
bitset_clear_all(bs);
arch_get_allocatable_regs(aenv, proj, -1, bs);
- bitset_and(bs, alloc_env->valid_colors);
bitset_foreach(bs, col)
bipartite_add(bp, n_alloc, col);
bipartite_matching(bp, assignment);
-
for(i = 0; i < n_alloc; ++i) {
int j;
ir_node *nodes[2];
{
firm_dbg_module_t *dbg = firm_dbg_register("firm.be.chordal.constr");
be_chordal_alloc_env_t *env = data;
- arch_env_t *arch_env = env->chordal_env->main_env->arch_env;
+ arch_env_t *arch_env = env->chordal_env->birg->main_env->arch_env;
ir_node *irn;
for(irn = sched_first(bl); !sched_is_end(irn);) {
be_chordal_alloc_env_t *alloc_env = env_ptr;
be_chordal_env_t *env = alloc_env->chordal_env;
- const arch_env_t *arch_env = env->main_env->arch_env;
+ const arch_env_t *arch_env = env->birg->main_env->arch_env;
bitset_t *live = alloc_env->live;
firm_dbg_module_t *dbg = env->dbg;
ir_node *irn;
bitset_t *live = alloc_env->live;
bitset_t *colors = alloc_env->colors;
bitset_t *in_colors = alloc_env->in_colors;
- const arch_env_t *arch_env = env->main_env->arch_env;
+ const arch_env_t *arch_env = env->birg->main_env->arch_env;
const ir_node *irn;
border_t *b;
struct list_head *head = get_block_border_head(env, block);
pset *live_in = put_live_in(block, pset_new_ptr_default());
+ bitset_clear_all(colors);
bitset_clear_all(live);
bitset_clear_all(in_colors);
- bitset_copy(colors, alloc_env->valid_colors);
- bitset_flip_all(colors);
-
DBG((dbg, LEVEL_4, "Assigning colors for block %+F\n", block));
DBG((dbg, LEVEL_4, "\tusedef chain for block\n"));
list_for_each_entry(border_t, b, head, list) {
}
/*
- * Mind that the sequence of defs from back to front defines a perfect
+ * Mind that the sequence
+ * of defs from back to front defines a perfect
* elimination order. So, coloring the definitions from first to last
* will work.
*/
env.chordal_env = chordal_env;
env.colors_n = colors_n;
env.colors = bitset_malloc(colors_n);
- env.valid_colors = bitset_malloc(colors_n);
env.in_colors = bitset_malloc(colors_n);
env.pre_colored = pset_new_ptr_default();
- arch_put_non_ignore_regs(chordal_env->main_env->arch_env, chordal_env->cls, env.valid_colors);
-
/* Handle register targeting constraints */
dom_tree_walk_irg(irg, constraints, NULL, &env);
-#if 0
if(chordal_env->opts->dump_flags & BE_CH_DUMP_CONSTR) {
snprintf(buf, sizeof(buf), "-%s-constr", chordal_env->cls->name);
dump_ir_block_graph_sched(chordal_env->irg, buf);
}
-#endif
be_numbering(irg);
env.live = bitset_malloc(get_graph_node_count(chordal_env->irg));
be_numbering_done(irg);
-#if 0
if(chordal_env->opts->dump_flags & BE_CH_DUMP_TREE_INTV) {
plotter_t *plotter;
-
ir_snprintf(buf, sizeof(buf), "ifg_%s_%F.eps", chordal_env->cls->name, irg);
plotter = new_plotter_ps(buf);
draw_interval_tree(&draw_chordal_def_opts, chordal_env, plotter);
plotter_free(plotter);
}
-#endif
free(env.live);
free(env.colors);
free(env.in_colors);
- free(env.valid_colors);
-
del_pset(env.pre_colored);
}