change pn_XXX_max enum to really be the maximum pn and not maximum+1, add n_XXX_max...

[libfirm] / ir / be / beabihelper.c

diff --git a/ir/be/beabihelper.c b/ir/be/beabihelper.c
index faa6969..5b5fe69 100644 (file)
--- a/ir/be/beabihelper.c
+++ b/ir/be/beabihelper.c
@@ -165,9 +165,9 @@ static void rsm_clear_regs(register_state_mapping_t *rsm,
  * Add a register and its constraint flags to a register state map
  * and return its index inside the map.
  */
-static int rsm_add_reg(register_state_mapping_t *rsm,
-                       const arch_register_t *reg,
-                       arch_register_req_type_t flags)
+static size_t rsm_add_reg(register_state_mapping_t *rsm,
+                          const arch_register_t *reg,
+                           arch_register_req_type_t flags)
 {
        size_t     input_idx = ARR_LEN(rsm->regs);
        int        cls_idx   = reg->reg_class->index;
@@ -324,7 +324,7 @@ void be_epilog_begin(beabi_helper_env_t *env)
 void be_epilog_add_reg(beabi_helper_env_t *env, const arch_register_t *reg,
                        arch_register_req_type_t flags, ir_node *value)
 {
-       int index = rsm_add_reg(&env->epilog, reg, flags);
+       size_t index = rsm_add_reg(&env->epilog, reg, flags);
        rsm_set_value(&env->epilog, index, value);
 }
 
@@ -396,7 +396,6 @@ static bool has_real_user(const ir_node *node)
 static ir_node *add_to_keep(ir_node *last_keep,
                             const arch_register_class_t *cls, ir_node *node)
 {
-       const ir_node *op;
        if (last_keep != NULL) {
                be_Keep_add_node(last_keep, cls, node);
        } else {
@@ -410,7 +409,6 @@ static ir_node *add_to_keep(ir_node *last_keep,
                        sched_add_after(schedpoint, last_keep);
                }
        }
-       op = skip_Proj_const(node);
        return last_keep;
 }