tree-vect-patterns.c (search_type_for_mask): Handle comparison of booleans.

gcc/

	* tree-vect-patterns.c (search_type_for_mask): Handle
	comparison of booleans.

gcc/testsuite/

	* gcc.dg/pr70026.c: New test.

From-SVN: r233966

gcc/ChangeLog

+2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	* tree-vect-patterns.c (search_type_for_mask): Handle
+	comparison of booleans.
+
+
 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
 
 	* doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):

gcc/testsuite/ChangeLog

+2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	* gcc.dg/pr70026.c: New test.
+
 2016-03-04  Marek Polacek  <polacek@redhat.com>
 
 	PR c/69798

gcc/testsuite/gcc.dg/pr70026.c

+/* { dg-do compile } */
+/* { dg-options "-O3" } */
+
+unsigned int a[64], b[64], c[64], d[64], e[64];
+
+void
+foo ()
+{
+  int i;
+  for (i = 0; i < 64; i++)
+    {
+      d[i] = a[i];
+      e[i] = ((b[i] < e[i]) != !c[i]) && !a[i];
+    }
+}

gcc/tree-vect-patterns.c

@@ -3220,6 +3220,15 @@ search_type_for_mask (tree var, vec_info *vinfo)
 	{
 	  tree comp_vectype, mask_type;
 
+	  if (TREE_CODE (TREE_TYPE (rhs1)) == BOOLEAN_TYPE)
+	    {
+	      res = search_type_for_mask (rhs1, vinfo);
+	      res2 = search_type_for_mask (gimple_assign_rhs2 (def_stmt), vinfo);
+	      if (!res || (res2 && TYPE_PRECISION (res) > TYPE_PRECISION (res2)))
+		res = res2;
+	      break;
+	    }
+
 	  comp_vectype = get_vectype_for_scalar_type (TREE_TYPE (rhs1));
 	  if (comp_vectype == NULL_TREE)
 	    return NULL_TREE;