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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 74951139573a0dc20dcd9bd85f41198b77d5592b..b204f8268a201b479fbe63f18117ba6bd8f8ac40 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+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.

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d2877e72304b8f4bab287b5b315320c3646ebbea..f1b50fa39d0393dcbb6ce7f4dd48fd47b78c9b3e 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+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

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr52891-1.c b/gcc/testsuite/gcc.c-torture/compile/pr52891-1.c
new file mode 100644 (file)
index 0000000..e695d1c
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr52891-1.c
@@ -0,0 +1,20 @@
+/* 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);
+}

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr52891-2.c b/gcc/testsuite/gcc.c-torture/compile/pr52891-2.c
new file mode 100644 (file)
index 0000000..d9fcbd6
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr52891-2.c
@@ -0,0 +1,12 @@
+/* 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;
+}

diff --git a/gcc/tree-vect-patterns.c b/gcc/tree-vect-patterns.c
index 6372a36b3fd1afae33a73b6e7a4f38f47159caee..79357f51f5f66b4efd37c5df102c462b930f320c 100644 (file)
--- a/gcc/tree-vect-patterns.c
+++ b/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