#include "irgwalk.h"
#include "iredges_t.h"
#include "ircons_t.h"
+#include "irprintf.h"
#include "beutil.h"
#include "bearch.h"
loc_t vals[1]; /**< inlined array of the values/distances in this working set */
};
+void workset_print(const workset_t *w)
+{
+ int i;
+
+ for(i = 0; i < w->len; ++i) {
+ ir_printf("%+F %d\n", w->vals[i].irn, w->vals[i].time);
+ }
+}
+
/**
* Alloc a new workset on obstack @p ob with maximum size @p max
*/
* @return The distance to the next use
* Or 0 if irn is an ignore node
*/
-#define get_distance(bel, from, from_step, def, skip_from_uses) \
- ((arch_irn_is_ignore(bel->arch, def) ) ? 0 : be_get_next_use(bel->uses, from, from_step, def, skip_from_uses))
+static INLINE unsigned get_distance(belady_env_t *bel, const ir_node *from, unsigned from_step, const ir_node *def, int skip_from_uses)
+{
+ arch_irn_flags_t fl = arch_irn_get_flags(bel->arch, def);
+ if((fl & (arch_irn_flags_ignore | arch_irn_flags_dont_spill)) != 0)
+ return 0;
+ else
+ return be_get_next_use(bel->uses, from, from_step, def, skip_from_uses);
+}
/**
- * Performs the actions neccessary to grant the request that:
+ * Performs the actions necessary to grant the request that:
* - new_vals can be held in registers
* - as few as possible other values are disposed
* - the worst values get disposed
/* If we have only one predecessor, we want the start_set of blk to be the end_set of pred */
- if (get_irn_arity(blk) == 1 && blk != get_irg_start_block(get_irn_irg(blk))) {
+ if (get_Block_n_cfgpreds(blk) == 1 && blk != get_irg_start_block(get_irn_irg(blk))) {
ir_node *pred_blk = get_Block_cfgpred_block(blk, 0);
block_info_t *pred_info = get_block_info(pred_blk);
/* projs are handled with the tuple value.
- * Phis are no real instr (see insert_starters)
+ * Phis are no real instr (see insert_starters())
* instr_nr does not increase */
if (is_Proj(irn) || is_Phi(irn)) {
DBG((dbg, DBG_DECIDE, " ...%+F skipped\n", irn));
/* init belady env */
obstack_init(&bel.ob);
- bel.arch = chordal_env->main_env->arch_env;
+ bel.arch = chordal_env->birg->main_env->arch_env;
bel.cls = chordal_env->cls;
bel.n_regs = arch_register_class_n_regs(bel.cls);
bel.ws = new_workset(&bel.ob, &bel);
- bel.uses = be_begin_uses(chordal_env->irg, chordal_env->main_env->arch_env, bel.cls);
+ bel.uses = be_begin_uses(chordal_env->irg, chordal_env->birg->main_env->arch_env, bel.cls);
bel.senv = be_new_spill_env(dbg, chordal_env, is_mem_phi, NULL);
bel.reloads = pset_new_ptr_default();
bel.copies = pset_new_ptr_default();