struct obstack obst;
set *spill_ctxs;
set *spills; /**< all spill_info_t's, which must be placed */
- pset *mem_phis; /**< set of all special spilled phis. allocated and freed seperately */
+ pset *mem_phis; /**< set of all special spilled phis. allocated and freed separately */
decide_irn_t is_mem_phi; /**< callback func to decide if a phi needs special spilling */
void *data; /**< data passed to all callbacks */
DEBUG_ONLY(firm_dbg_module_t *dbg;)
DEBUG_ONLY(firm_dbg_module_t *dbg;)
} ss_env_t;
-
+/**
+ * Walker: compute the spill slots
+ */
static void compute_spill_slots_walker(ir_node *spill, void *env) {
ss_env_t *ssenv = env;
ir_node *ctx;
entry = pmap_find(ssenv->slots, ctx);
if (!entry) {
+ struct _arch_env_t *arch_env = ssenv->cenv->birg->main_env->arch_env;
+ ir_node *spilled = get_irn_n(spill, be_pos_Spill_val);
+ const arch_register_t *reg = arch_get_irn_register(arch_env, spilled);
+ const arch_register_class_t *cls = arch_register_get_class(reg);
+ ir_mode *largest_mode = arch_register_class_mode(cls);
+
/* this is a new spill context */
ss = obstack_alloc(&ssenv->ob, sizeof(*ss));
- ss->members = pset_new_ptr(8);
- ss->largest_mode = get_irn_mode(get_irn_n(spill, be_pos_Spill_val));
- ss->size = get_mode_size_bytes(ss->largest_mode);
- ss->align = ss->size; /* TODO Assumed for now */
+ ss->members = pset_new_ptr(8);
+ ss->largest_mode = largest_mode;
+ ss->size = get_mode_size_bytes(ss->largest_mode);
+ ss->align = arch_isa_get_reg_class_alignment(arch_env->isa, cls);
pmap_insert(ssenv->slots, ctx, ss);
} else {
ir_node *irn;