X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.c;h=013376cf8027995b1951dca663dc8b9bcc57d205;hb=f6803e61a5c32b49e3d8f9cdd3ce10d0036c5b37;hp=e5b86a802010eca69601ea5387ad6e18799ff31b;hpb=ac640a8c0df21f777a0dca2b55044412c6e6f534;p=libfirm

diff --git a/ir/be/bearch.c b/ir/be/bearch.c
index e5b86a802..013376cf8 100644
--- a/ir/be/bearch.c
+++ b/ir/be/bearch.c
@@ -82,7 +82,7 @@ const arch_register_req_t *arch_get_register_req(const arch_env_t *env,
 {
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);
   req->type = arch_register_req_type_none;
-  return ops->get_irn_reg_req(ops, req, irn, pos);
+  return ops->impl->get_irn_reg_req(ops, req, irn, pos);
 }
 
 int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn,
@@ -90,15 +90,17 @@ int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn,
 {
   arch_register_req_t local_req;
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);
-  const arch_register_req_t *req = ops->get_irn_reg_req(ops, &local_req, irn, pos);
+  const arch_register_req_t *req = ops->impl->get_irn_reg_req(ops, &local_req, irn, pos);
 
-  if(arch_register_req_is(req, none)) {
+  if(req->type == arch_register_req_type_none) {
 	  bitset_clear_all(bs);
 	  return 0;
   }
 
-  if(arch_register_req_is(req, limited))
-	  return req->limited(irn, pos, bs);
+  if(arch_register_req_is(req, limited)) {
+	  req->limited(irn, pos, bs);
+	  return bitset_popcnt(bs);
+  }
 
   arch_register_class_put(req->cls, bs);
   return req->cls->n_regs;
@@ -109,35 +111,27 @@ int arch_is_register_operand(const arch_env_t *env,
 {
 	arch_register_req_t local_req;
 	const arch_irn_ops_t *ops = get_irn_ops(env, irn);
-	const arch_register_req_t *req = ops->get_irn_reg_req(ops, &local_req, irn, pos);
+	const arch_register_req_t *req = ops->impl->get_irn_reg_req(ops, &local_req, irn, pos);
 	return req != NULL;
 }
 
 int arch_reg_is_allocatable(const arch_env_t *env, const ir_node *irn,
     int pos, const arch_register_t *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:
-		case arch_register_req_type_should_be_different:
-		case arch_register_req_type_should_be_same:
-			res = req.cls == reg->reg_class;
-			break;
-		case arch_register_req_type_limited:
-			{
-				bitset_t *bs = bitset_alloca(req.cls->n_regs);
-				req.limited(irn, pos, bs);
-				res = bitset_is_set(bs, arch_register_get_index(reg));
-			}
-			break;
-		default:
-			res = 0;
+
+	if(req.type == arch_register_req_type_none)
+		return 0;
+
+	if(arch_register_req_is(&req, limited)) {
+		bitset_t *bs = bitset_alloca(req.cls->n_regs);
+		req.limited(irn, pos, bs);
+		return bitset_is_set(bs, arch_register_get_index(reg));
 	}
 
-	return res;
+	return req.cls == reg->reg_class;
 }
 
 const arch_register_class_t *
@@ -145,7 +139,7 @@ arch_get_irn_reg_class(const arch_env_t *env, const ir_node *irn, int pos)
 {
   arch_register_req_t local_req;
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);
-  const arch_register_req_t *req = ops->get_irn_reg_req(ops, &local_req, irn, pos);
+  const arch_register_req_t *req = ops->impl->get_irn_reg_req(ops, &local_req, irn, pos);
   return req ? req->cls : NULL;
 }
 
@@ -153,24 +147,24 @@ extern const arch_register_t *
 arch_get_irn_register(const arch_env_t *env, const ir_node *irn)
 {
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);
-  return ops->get_irn_reg(ops, irn);
+  return ops->impl->get_irn_reg(ops, irn);
 }
 
 extern void arch_set_irn_register(const arch_env_t *env,
     ir_node *irn, const arch_register_t *reg)
 {
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);
-  ops->set_irn_reg(ops, irn, reg);
+  ops->impl->set_irn_reg(ops, irn, reg);
 }
 
 extern arch_irn_class_t arch_irn_classify(const arch_env_t *env, const ir_node *irn)
 {
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);
-  return ops->classify(ops, irn);
+  return ops->impl->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);
+  return ops->impl->get_flags(ops, irn);
 }