re PR tree-optimization/52891 (ICE in adjust_bool_pattern)

	PR tree-optimizations/52891
	* tree-vect-patterns.c (adjust_bool_pattern): Use
	build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
	but with non-standard precision.

	* gcc.c-torture/compile/pr52891-1.c: New test.	
	* gcc.c-torture/compile/pr52891-2.c: New test.

From-SVN: r186694

gcc/ChangeLog

+2012-04-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimizations/52891
+	* tree-vect-patterns.c (adjust_bool_pattern): Use
+	build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
+	but with non-standard precision.
+
 2012-04-22  Jan Hubicka  <jh@suse.cz>
 
 	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL tree refs.

gcc/testsuite/ChangeLog

+2012-04-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimizations/52891
+	* gcc.c-torture/compile/pr52891-1.c: New test.	
+	* gcc.c-torture/compile/pr52891-2.c: New test.
+
 2012-04-22  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/53051

gcc/testsuite/gcc.c-torture/compile/pr52891-1.c

+/* PR tree-optimizations/52891 */
+
+struct S
+{
+  int a;
+  struct T { unsigned c : 10; } b;
+} s;
+
+void
+bar (short x, short y, int **p)
+{
+  if ((x && y) + **p)
+    while (1);
+}
+
+void
+foo (int **p)
+{
+  bar (s.a, s.b.c, p);
+}

gcc/testsuite/gcc.c-torture/compile/pr52891-2.c

+/* PR tree-optimizations/52891 */
+
+struct __attribute__((packed)) S { unsigned s : 22; };
+struct __attribute__((packed)) T { struct S t; } c;
+int a, b, d;
+
+void
+foo (void)
+{
+  if (1 ? (!c.t.s & (d < 0)) < a : 0)
+    b = 0;
+}

gcc/tree-vect-patterns.c

@@ -2300,7 +2300,9 @@ adjust_bool_pattern (tree var, tree out_type, tree trueval,
     default:
       gcc_assert (TREE_CODE_CLASS (rhs_code) == tcc_comparison);
       if (TREE_CODE (TREE_TYPE (rhs1)) != INTEGER_TYPE
-	  || !TYPE_UNSIGNED (TREE_TYPE (rhs1)))
+	  || !TYPE_UNSIGNED (TREE_TYPE (rhs1))
+	  || (TYPE_PRECISION (TREE_TYPE (rhs1))
+	      != GET_MODE_BITSIZE (TYPE_MODE (TREE_TYPE (rhs1)))))
 	{
 	  enum machine_mode mode = TYPE_MODE (TREE_TYPE (rhs1));
 	  itype