[Bug other/37474] [4.4 Regression] vect_supported_slp_permutation_p memory corruption

[irar at il dot ibm dot com]

------- Comment #4 from irar at il dot ibm dot com  2008-09-11 09:58 -------
Testing:

Index: tree-vect-analyze.c
===================================================================
--- tree-vect-analyze.c (revision 140274)
+++ tree-vect-analyze.c (working copy)
@@ -3200,6 +3200,10 @@ vect_supported_load_permutation_p (slp_i
   /* FORNOW: the only supported permutation is 0..01..1.. of length equal to
      GROUP_SIZE and where each sequence of same drs is of GROUP_SIZE length as
      well.  */
+  if (VEC_length (int, load_permutation)
+      != (unsigned int) (group_size * group_size))
+    return false;
+
   supported = true;
   for (j = 0; j < group_size; j++)
     {


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37474