1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/980709-1.c b/gcc/testsuite/gcc.dg/980709-1.c
new file mode 100755
index 0000000..a435930
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/980709-1.c
@@ -0,0 +1,20 @@
+/* { dg-do compile { target i?86-*-* } } */
+/* { dg-options -O2 } */
+
+extern __inline__ int test_and_set_bit(int nr, volatile void * addr)
+{
+	int oldbit;
+	__asm__ __volatile__( "" 
+		"btsl %2,%1\n\tsbbl %0,%0"
+		:"=r" (oldbit),"=m" (addr)
+		:"ir" (nr));
+	return oldbit;
+}
+struct buffer_head {
+	unsigned long b_state;		 
+};
+extern void lock_buffer(struct buffer_head * bh)
+{
+	while (test_and_set_bit(2 , &bh->b_state))
+		__wait_on_buffer(bh);
+}