tree-ssa-address.c (create_mem_ref): Put the symbol reference into the base register if possible.

2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>

	* tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
	base register if possible.

From-SVN: r104446

gcc/ChangeLog

+2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+	* tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
+	base register if possible.
+
 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
 
 	PR tree-optimization/18463

gcc/tree-ssa-address.c

@@ -525,10 +525,18 @@ create_mem_ref (block_stmt_iterator *bsi, tree type,
     
       /* Add the symbol to base, eventually forcing it to register.  */
       if (parts.base)
-	parts.base = force_gimple_operand_bsi (bsi,
-					       build2 (PLUS_EXPR, addr_type,
-						       parts.base, tmp),
-					       true, NULL_TREE);
+	{
+	  if (parts.index)
+	    parts.base = force_gimple_operand_bsi (bsi,
+						   build2 (PLUS_EXPR, addr_type,
+							   parts.base, tmp),
+						   true, NULL_TREE);
+	  else
+	    {
+	      parts.index = parts.base;
+	      parts.base = tmp;
+	    }
+	}
       else
 	parts.base = tmp;
       parts.symbol = NULL_TREE;