X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeinfo.c;h=10ba2e18d4bb3c88192065f61f684f648c2c878e;hb=36e688467f3e9fed2b96e2d7f323edffa4268b53;hp=51f4327b1fd5564c866b0789810a5493c464a94c;hpb=0a4048fbaae21a969b0f03b066dde30a06968814;p=libfirm

diff --git a/ir/be/beinfo.c b/ir/be/beinfo.c
index 51f4327b1..10ba2e18d 100644
--- a/ir/be/beinfo.c
+++ b/ir/be/beinfo.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -35,14 +35,14 @@
 #include "irdump_t.h"
 #include "error.h"
 
-static copy_attr_func  old_phi_copy_attr;
+static copy_attr_func old_phi_copy_attr;
 
 void be_info_new_node(ir_node *node)
 {
 	struct obstack *obst;
 	backend_info_t *info;
 
-	/* Projs need no be info, their tuple holds all information */
+	/* Projs need no be info, all info is fetched from their predecessor */
 	if (is_Proj(node))
 		return;
 
@@ -52,15 +52,32 @@ void be_info_new_node(ir_node *node)
 	assert(node->backend_info == NULL);
 	node->backend_info = info;
 
-	/* Hack! We still have middle end nodes in the backend (which was probably
-	   a bad decision back then), which have no register constraints.
-	   Set some none_requirements here.
+	/*
+	 * Set backend info for some middleend nodes which still appear in
+	 * backend graphs
 	 */
-	if (get_irn_mode(node) != mode_T
-			&& get_irn_opcode(node) <= iro_Last) {
+	switch (get_irn_opcode(node)) {
+	case iro_Block:
+	case iro_Dummy:
+	case iro_NoMem:
+	case iro_Anchor:
+	case iro_Pin:
+	case iro_Sync:
+	case iro_Bad:
+	case iro_End:
+	case iro_Unknown:
+		info->flags |= arch_irn_flags_not_scheduled;
 		info->out_infos = NEW_ARR_D(reg_out_info_t, obst, 1);
 		memset(info->out_infos, 0, 1 * sizeof(info->out_infos[0]));
 		info->out_infos[0].req = arch_no_register_req;
+		break;
+	case iro_Phi:
+		info->out_infos = NEW_ARR_D(reg_out_info_t, obst, 1);
+		memset(info->out_infos, 0, 1 * sizeof(info->out_infos[0]));
+		info->out_infos[0].req = arch_no_register_req;
+		break;
+	default:
+		break;
 	}
 }
 
@@ -75,7 +92,7 @@ static void new_phi_copy_attr(ir_graph *irg, const ir_node *old_node,
 	old_phi_copy_attr(irg, old_node, new_node);
 }
 
-int be_nodes_equal(ir_node *node1, ir_node *node2)
+int be_nodes_equal(const ir_node *node1, const ir_node *node2)
 {
 	const backend_info_t *info1 = be_get_info(node1);
 	const backend_info_t *info2 = be_get_info(node2);