From 86951993f8a4cae2fb26bf8705e2f248a8d6f21e Mon Sep 17 00:00:00 2001
From: Andrew Macleod <amacleod@gcc.gnu.org>
Date: Sun, 6 Nov 2011 14:55:48 +0000
Subject: Check in patch/merge from cxx-mem-model Branch
From-SVN: r181031
---
gcc/testsuite/gcc.dg/atomic-load-1.c | 66 ++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/atomic-load-1.c
(limited to 'gcc/testsuite/gcc.dg/atomic-load-1.c')
diff --git a/gcc/testsuite/gcc.dg/atomic-load-1.c b/gcc/testsuite/gcc.dg/atomic-load-1.c
new file mode 100644
index 0000000..928f9b0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/atomic-load-1.c
@@ -0,0 +1,66 @@
+/* Test __atomic routines for existence and proper execution on 1 byte
+ values with each valid memory model. */
+/* { dg-do run } */
+/* { dg-require-effective-target sync_char_short } */
+
+
+/* Test the execution of the __atomic_load_n builtin for a char. */
+
+extern void abort(void);
+
+char v, count;
+
+main ()
+{
+ v = 0;
+ count = 0;
+
+ if (__atomic_load_n (&v, __ATOMIC_RELAXED) != count++)
+ abort();
+ else
+ v++;
+
+ if (__atomic_load_n (&v, __ATOMIC_ACQUIRE) != count++)
+ abort();
+ else
+ v++;
+
+ if (__atomic_load_n (&v, __ATOMIC_CONSUME) != count++)
+ abort();
+ else
+ v++;
+
+ if (__atomic_load_n (&v, __ATOMIC_SEQ_CST) != count++)
+ abort();
+ else
+ v++;
+
+ /* Now test the generic variants. */
+
+ __atomic_load (&v, &count, __ATOMIC_RELAXED);
+ if (count != v)
+ abort();
+ else
+ v++;
+
+ __atomic_load (&v, &count, __ATOMIC_ACQUIRE);
+ if (count != v)
+ abort();
+ else
+ v++;
+
+ __atomic_load (&v, &count, __ATOMIC_CONSUME);
+ if (count != v)
+ abort();
+ else
+ v++;
+
+ __atomic_load (&v, &count, __ATOMIC_SEQ_CST);
+ if (count != v)
+ abort();
+ else
+ v++;
+
+ return 0;
+}
+
--
cgit v1.1