1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/bitintext.h b/gcc/testsuite/gcc.dg/bitintext.h
new file mode 100644
index 0000000..99fedb3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/bitintext.h
@@ -0,0 +1,29 @@
+[[gnu::noipa]] void
+do_copy (void *p, const void *q, __SIZE_TYPE__ r)
+{
+  __builtin_memcpy (p, q, r);
+}
+
+/* Macro to test whether (on targets where psABI requires it) _BitInt
+   with padding bits have those filled with sign or zero extension.  */
+#if defined(__s390x__) || defined(__arm__) || defined(__loongarch__)
+#define BEXTC(x) \
+  do {								\
+    if ((typeof (x)) -1 < 0)					\
+      {								\
+	_BitInt(sizeof (x) * __CHAR_BIT__) __x;			\
+	do_copy (&__x, &(x), sizeof (__x));			\
+	if (__x != (x))						\
+	  __builtin_abort ();					\
+      }								\
+    else							\
+      {								\
+	unsigned _BitInt(sizeof (x) * __CHAR_BIT__) __x;	\
+	do_copy (&__x, &(x), sizeof (__x));			\
+	if (__x != (x))						\
+	  __builtin_abort ();					\
+      }								\
+  } while (0)
+#else
+#define BEXTC(x) do { (void) (x); } while (0)
+#endif