re PR middle-end/91725 (ICE in get_nonzero_bits starting with r275587)

	PR middle-end/91725
	* match.pd ((A / (1 << B)) -> (A >> B)): Call tree_nonzero_bits instead
	of get_nonzero_bits, only call it for integral types.

	* gcc.c-torture/compile/pr91725.c: New test.

From-SVN: r275633

gcc/ChangeLog

+2019-09-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/91725
+	* match.pd ((A / (1 << B)) -> (A >> B)): Call tree_nonzero_bits instead
+	of get_nonzero_bits, only call it for integral types.
+
 2019-09-11  Richard Biener  <rguenther@suse.de>
 
 	Revert

gcc/match.pd

@@ -325,9 +325,11 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
 	      && (TYPE_UNSIGNED (TREE_TYPE (@1))
 		  || (element_precision (type)
 		      == element_precision (TREE_TYPE (@1)))
-		  || (get_nonzero_bits (@0)
-		      & wi::mask (element_precision (TREE_TYPE (@1)) - 1, true,
-				  element_precision (type))) == 0))))
+		  || (INTEGRAL_TYPE_P (type)
+		      && (tree_nonzero_bits (@0)
+			  & wi::mask (element_precision (TREE_TYPE (@1)) - 1,
+				      true,
+				      element_precision (type))) == 0)))))
   (rshift @0 @2)))
 
 /* Preserve explicit divisions by 0: the C++ front-end wants to detect

gcc/testsuite/ChangeLog

+2019-09-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/91725
+	* gcc.c-torture/compile/pr91725.c: New test.
+
 2019-09-11  Richard Biener  <rguenther@suse.de>
 
 	Revert

gcc/testsuite/gcc.c-torture/compile/pr91725.c

+/* PR middle-end/91725 */
+
+unsigned long long
+foo (unsigned long long x, unsigned long long y, int z)
+{
+  return (x + y) / (1 << z);
+}