1 files changed, 71 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/s390/bitint-4.c b/gcc/testsuite/gcc.target/s390/bitint-4.c
new file mode 100644
index 0000000..dce72d8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/s390/bitint-4.c
@@ -0,0 +1,71 @@
+/* { dg-do compile { target bitint } } */
+/* { dg-options "-march=z9-109 -O2" } */
+/* { dg-final { check-function-bodies "**" "" "" } } */
+
+/* Verify calling convention. */
+
+struct s_bitint5 {
+  short a;
+  unsigned _BitInt(5) b;
+  char c;
+};
+
+static_assert (sizeof (struct s_bitint5) == 4);
+
+/*
+** s_bitint5_call:
+**         iilf	%r2,2758168
+**         jg	s_bitint5@PLT
+*/
+
+void s_bitint5 (struct s_bitint5 x);
+void s_bitint5_call (void) { s_bitint5 ((struct s_bitint5){42, 22wbu, 24}); }
+
+struct s_bitint9 {
+  short a;
+  unsigned _BitInt(9) b;
+};
+
+static_assert (sizeof (struct s_bitint9) == 4);
+
+/*
+** s_bitint9_call:
+**         iilf	%r2,2752934
+**         jg	s_bitint9@PLT
+*/
+
+void s_bitint9 (struct s_bitint9 x);
+void s_bitint9_call (void) { s_bitint9 ((struct s_bitint9){42, 422wbu}); }
+
+struct s_bitint17 {
+  int a;
+  unsigned _BitInt(17) b;
+};
+
+static_assert (sizeof (struct s_bitint17) == 8);
+
+/*
+** s_bitint17_call:
+**         llihl	%r2,42
+**         oilf	%r2,108198
+**         jg	s_bitint17@PLT
+*/
+
+void s_bitint17 (struct s_bitint17 x);
+void s_bitint17_call (void) { s_bitint17 ((struct s_bitint17){42, 108198wbu}); }
+
+struct s_bitint33 {
+  unsigned _BitInt(33) b;
+};
+
+static_assert (sizeof (struct s_bitint33) == 8);
+
+/*
+** s_bitint33_call:
+**         llihl	%r2,1
+**         oilf	%r2,2795939494
+**         jg	s_bitint33@PLT
+*/
+
+void s_bitint33 (struct s_bitint33 x);
+void s_bitint33_call (void) { s_bitint33 ((struct s_bitint33){7090906790wbu}); }