Enable RCR tests.


git-svn-id: svn://svn.valgrind.org/vex/trunk@1293 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/test/test-amd64.c b/test/test-amd64.c
index 507d945..b6d1d13 100644
--- a/test/test-amd64.c
+++ b/test/test-amd64.c
@@ -1,3 +1,13 @@
+
+/* To build: 
+
+     gcc -O -g -o test-amd64 test-amd64.c -lm
+
+ */
+
+/* Contrary to what the next comment says, this is now an amd64 CPU
+   test. */
+
 /*
  *  x86 CPU test
  * 
@@ -120,11 +130,9 @@
 #define OP ror
 #include "test-amd64-shift.h"
 
-#if 0
 #define OP rcr
 #define OP_CC
 #include "test-amd64-shift.h"
-#endif
 
 #if 0
 #define OP rcl