void be_add_spill(spill_env_t *env, ir_node *to_spill, ir_node *before)
{
+#if 1
spill_info_t *spill_info = get_spillinfo(env, to_spill);
spill_t *spill;
spill_t *s;
spill->spill = NULL;
spill_info->spills = spill;
+#endif
}
void be_add_remat(spill_env_t *env, ir_node *to_spill, ir_node *before,
return last;
}
+static ir_node *skip_keeps_phis(ir_node *node)
+{
+ node = sched_next(node);
+ while(is_Phi(node) || be_is_Keep(node)) {
+ node = sched_next(node);
+ }
+ return node;
+}
+
/**
* Returns the point at which you can insert a node that should be executed
* before block @p block when coming from pred @p pos.
spill = get_spillinfo(env, node);
for(i = 0, arity = get_irn_arity(node); i < arity; ++i) {
ir_node *arg = get_irn_n(node, i);
- ir_node *pred_block = get_Block_cfgpred_block(block, i);
- ir_node *insert = be_get_end_of_block_insertion_point(pred_block);
+ ir_node *insert;
//get_spillinfo(env, arg);
+
+ /* some backends have virtual noreg/unknown nodes that are not scheduled
+ * and simply always available. */
+ if(!sched_is_scheduled(arg)) {
+ ir_node *pred_block = get_Block_cfgpred_block(block, i);
+ insert = be_get_end_of_block_insertion_point(pred_block);
+ } else {
+ insert = skip_keeps_phis(arg);
+ }
+
be_add_spill(env, arg, insert);
}
}
* |_|
*/
-static ir_node *skip_keeps_phis(ir_node *node)
-{
- node = sched_next(node);
- while(is_Phi(node) || be_is_Keep(node)) {
- node = sched_next(node);
- }
- return node;
-}
-
static void determine_spill_costs(spill_env_t *env, spill_info_t *spillinfo);
/**
spill->spill = be_spill(env->arch_env, block, to_spill);
sched_add_before(before, spill->spill);
- DB((dbg, LEVEL_1, "\t%+F before %+F,", spill->spill, before));
+ DB((dbg, LEVEL_1, "\t%+F before %+F\n", spill->spill, before));
#ifdef FIRM_STATISTICS
env->spill_count++;
#endif