*** empty log message ***

[libfirm] / ir / be / bearch.c

diff --git a/ir/be/bearch.c b/ir/be/bearch.c
index bd53bd8..7d7cd0f 100644 (file)
--- a/ir/be/bearch.c
+++ b/ir/be/bearch.c
@@ -105,6 +105,12 @@ int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn,
   return 0;
 }
 
+int arch_get_n_operands(const arch_env_t *env, const ir_node *irn, int in_out)
+{
+  const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+       return ops->get_n_operands(ops, irn, in_out);
+}
+
 int arch_is_register_operand(const arch_env_t *env,
     const ir_node *irn, int pos)
 {
@@ -117,12 +123,25 @@ int arch_is_register_operand(const arch_env_t *env,
 int arch_reg_is_allocatable(const arch_env_t *env, const ir_node *irn,
     int pos, const arch_register_t *reg)
 {
-  const arch_register_class_t *cls = arch_register_get_class(reg);
-  int n_regs = arch_register_class_n_regs(cls);
-  bitset_t *bs = bitset_alloca(n_regs);
-
-  arch_get_allocatable_regs(env, irn, pos, cls, bs);
-  return bitset_is_set(bs, arch_register_get_index(reg));
+       int res = 0;
+       arch_register_req_t req;
+
+       arch_get_register_req(env, &req, irn, pos);
+       switch(req.type) {
+               case arch_register_req_type_normal:
+                       res = req.cls == reg->reg_class;
+                       break;
+               case arch_register_req_type_limited:
+                       {
+                               bitset_t *bs = bitset_alloca(req.cls->n_regs);
+                               req.data.limited(irn, pos, bs);
+                               res = bitset_is_set(bs, arch_register_get_index(reg));
+                       }
+               default:
+                       res = 0;
+       }
+
+       return res;
 }
 
 const arch_register_class_t *
@@ -155,3 +174,9 @@ extern arch_irn_class_t arch_irn_classify(const arch_env_t *env, const ir_node *
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);
   return ops->classify(ops, irn);
 }
+
+extern arch_irn_flags_t arch_irn_get_flags(const arch_env_t *env, const ir_node *irn)
+{
+  const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+  return ops->get_flags(ops, irn);
+}