re PR tree-optimization/85331 (during GIMPLE pass, internal compiler error:…

re PR tree-optimization/85331 (during GIMPLE pass, internal compiler error: Segmentation fault (-O1 and above))

	PR tree-optimization/85331
	* vec-perm-indices.h (vec_perm_indices::clamp): Change input type
	from int to HOST_WIDE_INT.

	* gcc.c-torture/execute/pr85331.c: New test.

From-SVN: r259320

gcc/ChangeLog

+2018-04-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/85331
+	* vec-perm-indices.h (vec_perm_indices::clamp): Change input type
+	from int to HOST_WIDE_INT.
+
 2018-04-11  Martin Jambor  <mjambor@suse.cz>
 
 	PR ipa/84149

gcc/testsuite/ChangeLog

+2018-04-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/85331
+	* gcc.c-torture/execute/pr85331.c: New test.
+
 2018-04-11  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/85032

gcc/testsuite/gcc.c-torture/execute/pr85331.c

+/* PR tree-optimization/85331 */
+
+typedef double V __attribute__((vector_size (2 * sizeof (double))));
+typedef long long W __attribute__((vector_size (2 * sizeof (long long))));
+
+__attribute__((noipa)) void
+foo (V *r)
+{
+  V y = { 1.0, 2.0 };
+  W m = { 10000000001LL, 0LL };
+  *r = __builtin_shuffle (y, m);
+}
+
+int
+main ()
+{
+  V r;
+  foo (&r);
+  if (r[0] != 2.0 || r[1] != 1.0)
+    __builtin_abort ();
+  return 0;
+}

gcc/vec-perm-indices.h

@@ -119,7 +119,7 @@ inline vec_perm_indices::element_type
 vec_perm_indices::clamp (element_type elt) const
 {
   element_type limit = input_nelts (), elem_within_input;
-  int input;
+  HOST_WIDE_INT input;
   if (!can_div_trunc_p (elt, limit, &input, &elem_within_input))
     return elt;