tree-vectorizer.c (vect_analyze_data_refs): Reformat and avoid uninitialized variable.

2004-11-30  Nathan Sidwell  <nathan@codesourcery.com>

        * tree-vectorizer.c (vect_analyze_data_refs): Reformat and avoid
        uninitialized variable.

From-SVN: r91543

gcc/ChangeLog

+2004-11-30  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* tree-vectorizer.c (vect_analyze_data_refs): Reformat and avoid
+	uninitialized variable.
+
 2004-11-30  Eric Christopher  <echristo@redhat.com>
 
 	* fold-const.c (fold_widened_comparison): Make sure that we're

gcc/tree-vectorizer.c

@@ -4899,7 +4899,7 @@ vect_analyze_data_refs (loop_vec_info loop_vinfo)
   int nbbs = loop->num_nodes;
   block_stmt_iterator si;
   int j;
-  struct data_reference *dr, *tmp_dr;
+  struct data_reference *dr;
   tree tag;
   tree address_base;
   bool base_aligned_p;
@@ -5013,17 +5013,25 @@ vect_analyze_data_refs (loop_vec_info loop_vinfo)
 	      switch (TREE_CODE (address_base))
 		{
 		case ARRAY_REF:
-		  tmp_dr = analyze_array (stmt, TREE_OPERAND (symbl, 0), 
-					  DR_IS_READ (tmp_dr));
-		  tag = vect_get_base_and_bit_offset (tmp_dr, DR_BASE_NAME (tmp_dr), 
-			   NULL_TREE, loop_vinfo, &offset, &base_aligned_p);
-		  if (!tag)
-		    {
-		      if (vect_debug_stats (loop) || vect_debug_details (loop))
-			fprintf (dump_file, "not vectorized: no memtag for ref.");
-		      return false;
-		    }
-		  STMT_VINFO_MEMTAG (stmt_info) = tag; 
+		  {
+		    struct data_reference *tmp_dr;
+		    
+		    tmp_dr = analyze_array (stmt, TREE_OPERAND (symbl, 0), 
+					    DR_IS_READ (dr));
+		    tag = vect_get_base_and_bit_offset
+		      (tmp_dr, DR_BASE_NAME (tmp_dr), 
+		       NULL_TREE, loop_vinfo, &offset, &base_aligned_p);
+		    if (!tag)
+		      {
+			if (vect_debug_stats (loop)
+			    || vect_debug_details (loop))
+			  fprintf (dump_file,
+				   "not vectorized: no memtag for ref.");
+			return false;
+		      }
+		    STMT_VINFO_MEMTAG (stmt_info) = tag;
+		  }
+		  
 		  break;
 		  
 		case VAR_DECL: