* tree-data-ref.c (build_classic_dist_vector,

         compute_subscript_distance): Make externally visible.
         * tree-data-ref.h (build_classic_dist_vector,
         compute_subscript_distance): Same.
         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
         Check distance vector against vectorization factor.
         (vect_analyze_loop): Determine vectorizaion factor before
         analyzing data dependences.
         * tree-vectorizer.c (loops_num): Make it externally visible and
         rename ...
         * tree-vectorizer.c (vect_loops_num): ... new name.
         * tree-vectorizer.h  (vect_loops_num): New.

         * tree-vect-analyze.c (vect_analyze_operations): Check
         vectorizable codition.
         * tree-vect-transform.c (vect_is_simple_cond): New function.
         (vectorizable_condition): New function.
         (vect_transform_stmt): Handle condition_vec_info_type.
         * tree-vectorizer.h (enum stmt_vec_info_type): Add
         condition_vec_info_type.
         (vectorizable_condition): New.

         * lib/target-supports.exp (check_effective_target_vect_condition): New.
         * gcc.dg/vect/vect-ifcvt-1.c: New test.
         * gcc.dg/vect/vect-ifcvt-2.c: New test.
         * gcc.dg/vect/vect-ifcvt-3.c: New test.
         * gcc.dg/vect/vect-ifcvt-4.c: New test.
         * gcc.dg/vect/vect-ifcvt-5.c: New test.
         * gcc.dg/vect/vect-ifcvt-6.c: New test.
         * gcc.dg/vect/vect-ifcvt-7.c: New test.
         * gcc.dg/vect/vect-none.c: Now one loop is vectorized.

         * gcc.dg/vect/vect-dv-1.c: New test.
         * gcc.dg/vect/vect-dv-2.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97999 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 5 deletions

diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c
index 63dd2d201d2..c264ee0c4f8 100644
--- a/gcc/tree-vectorizer.c
+++ b/gcc/tree-vectorizer.c
@@ -178,7 +178,8 @@ FILE *vect_dump;
    to mark that it's uninitialized.  */
 enum verbosity_levels vect_verbosity_level = MAX_VERBOSITY_LEVEL;
 
-
+/* Number of loops, at the beginning of vectorization.  */
+unsigned int vect_loops_num;
 
 /*************************************************************************
   Simple Loop Peeling Utilities
@@ -1821,7 +1822,7 @@ vect_is_simple_iv_evolution (unsigned loop_nb, tree access_fn, tree * init,
 void
 vectorize_loops (struct loops *loops)
 {
-  unsigned int i, loops_num;
+  unsigned int i;
   unsigned int num_vectorized_loops = 0;
 
   /* Fix the verbosity level if not defined explicitly by the user.  */
@@ -1841,8 +1842,8 @@ vectorize_loops (struct loops *loops)
   /* If some loop was duplicated, it gets bigger number 
      than all previously defined loops. This fact allows us to run 
      only over initial loops skipping newly generated ones.  */
-  loops_num = loops->num;
-  for (i = 1; i < loops_num; i++)
+  vect_loops_num = loops->num;
+  for (i = 1; i < vect_loops_num; i++)
     {
       loop_vec_info loop_vinfo;
       struct loop *loop = loops->parray[i];
@@ -1866,7 +1867,7 @@ vectorize_loops (struct loops *loops)
 
   /*  ----------- Finalize. -----------  */
 
-  for (i = 1; i < loops_num; i++)
+  for (i = 1; i < vect_loops_num; i++)
     {
       struct loop *loop = loops->parray[i];
       loop_vec_info loop_vinfo;