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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1478dd4..16dfb19 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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

diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c
index 0f49a32..2c7738b 100644 (file)
--- a/gcc/tree-vectorizer.c
+++ b/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: