x86: add @rex to cs_x86 struct. updated python & java binding for this change
diff --git a/bindings/java/TestX86.java b/bindings/java/TestX86.java
index b12cb0b..1c17038 100644
--- a/bindings/java/TestX86.java
+++ b/bindings/java/TestX86.java
@@ -49,6 +49,9 @@
 
     System.out.printf("\tOpcode: %s\n", array2hex(operands.opcode));
 
+    // print REX prefix (non-zero value is relevant for x86_64)
+    System.out.printf("\trex: 0x%x\n", operands.rex);
+
     // print address size
     System.out.printf("\taddr_size: %d\n", operands.addrSize);