diff gcc/testsuite/gcc.dg/atomic-noinline.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/atomic-noinline.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,61 @@
+/* Test generic __atomic routines for proper function calling.
+   memory model.  */
+/* { dg-options "-w -fno-inline-atomics" } */
+/* { dg-do run } */
+/* { dg-additional-sources "atomic-noinline-aux.c" } */
+
+/* Test that -fno-inline-atomics works as expected.  
+   atomic-generic-aux provide the expected routines which simply set the
+   value of the first parameter to */
+
+#include <stdlib.h>
+#include <stdbool.h>
+
+extern void abort (void);
+
+short as,bs,cs,ds;
+char ac,bc,cc;
+
+int
+main (void)
+{
+
+  ac = __atomic_exchange_n (&bc, cc, __ATOMIC_RELAXED);
+  if (bc != 1)
+    abort ();
+
+  as = __atomic_load_n (&bs, __ATOMIC_SEQ_CST);
+  if (bs != 1)
+    abort ();
+
+  __atomic_store_n (&ac, bc, __ATOMIC_RELAXED);
+  if (ac != 1)
+    abort ();
+
+  __atomic_compare_exchange_n (&as, &bs, cs, 0, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE);
+  if (as != 1)
+    abort ();
+
+  ac = __atomic_fetch_add (&cc, 15, __ATOMIC_SEQ_CST);
+  if (cc != 1)
+    abort ();
+
+  /* This should be translated to __atomic_fetch_add for the library */
+  as = __atomic_add_fetch (&cs, 10, __ATOMIC_RELAXED);
+  if (cs != 1)
+    abort ();
+
+  /* PR 51040 was caused by arithmetic code not patching up nand_fetch properly
+     when used an an external function.  Look for proper return value here.  */
+  ac = 0x3C;
+  bc = __atomic_nand_fetch (&ac, 0x0f, __ATOMIC_RELAXED);
+  if (bc != ac)
+    abort ();
+
+  if (!__atomic_is_lock_free (2, &ds))
+    abort ();
+  if (ds != 1)
+    abort ();
+
+  return 0;
+}