pthread_locking vs. transactional memory testsuiteHEADmaster

initial import includes
- Makefile
- codesize.c; a little single threaded test to check compiler support
- asm_diff.sh shows difference of assembler code
- runtime.sh runs both versions and prints out runtime of the tests

Signed-off-by: Manuel Traut <manut@mecka.net>

1 files changed, 23 insertions, 0 deletions

diff --git a/codesize.c b/codesize.c
new file mode 100644
index 0000000..960757c
--- /dev/null
+++ b/codesize.c
@@ -0,0 +1,23 @@
+#ifdef _TM
+#define LOCK __transaction_atomic {
+#define UNLOCK }
+#endif
+
+#ifdef _LOCK
+#include <pthread.h>
+static pthread_mutex_t l = PTHREAD_MUTEX_INITIALIZER;
+#define LOCK pthread_mutex_lock (&l);
+#define UNLOCK pthread_mutex_unlock (&l);
+#endif
+
+int main (int argc, char **argv)
+{
+	int a = 0, b = 1, c = 2;
+
+	LOCK
+	if (a < b)
+		c++;
+	UNLOCK
+
+	return 0;
+}