ppc-get-timebase.c: New file.

2012-09-19  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>

        * gcc.target/powerpc/ppc-get-timebase.c: New file.
        * gcc.target/powerpc/ppc-mftb.c: New file.

From-SVN: r191492

gcc/testsuite/ChangeLog

+2012-09-19  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
+
+	* gcc.target/powerpc/ppc-get-timebase.c: New file.
+	* gcc.target/powerpc/ppc-mftb.c: New file.
+
 2012-09-19  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	PR target/54089

gcc/testsuite/gcc.target/powerpc/ppc-get-timebase.c

+/* { dg-do run { target { powerpc*-*-* } } } */
+
+/* Test if __builtin_ppc_get_timebase () is compatible with the current
+   processor and if it's changing between reads.  A read failure might indicate
+   a Power ISA or binutils change.  */
+
+#include <inttypes.h>
+
+int
+main (void)
+{
+  uint64_t t = __builtin_ppc_get_timebase ();
+  int j;
+
+  for (j = 0; j < 1000000; j++)
+    if (t != __builtin_ppc_get_timebase ())
+      return 0;
+
+  return 1;
+}

gcc/testsuite/gcc.target/powerpc/ppc-mftb.c

+/* { dg-do run { target { powerpc*-*-* } } } */
+
+/* Test if __builtin_ppc_mftb () is compatible with the current processor and
+   if it's changing between reads.  A read failure might indicate a Power
+   ISA or binutils change.  */
+
+int
+main (void)
+{
+  unsigned long t = __builtin_ppc_mftb ();
+  int j;
+
+  for (j = 0; j < 1000000; j++)
+    if (t != __builtin_ppc_mftb ())
+      return 0;
+
+  return 1;
+}