--- qemu/tcg/i386/tcg-target.h	2018/04/24 16:51:10	1.1
+++ qemu/tcg/i386/tcg-target.h	2018/04/24 17:21:48	1.1.1.2
@@ -44,11 +44,19 @@ enum {
 #define TCG_TARGET_STACK_ALIGN 16
 #define TCG_TARGET_CALL_STACK_OFFSET 0
 
+/* optional instructions */
+#define TCG_TARGET_HAS_bswap16_i32
+#define TCG_TARGET_HAS_bswap32_i32
+#define TCG_TARGET_HAS_neg_i32
+#define TCG_TARGET_HAS_not_i32
+#define TCG_TARGET_HAS_ext8s_i32
+#define TCG_TARGET_HAS_ext16s_i32
+#define TCG_TARGET_HAS_rot_i32
+
 /* Note: must be synced with dyngen-exec.h */
 #define TCG_AREG0 TCG_REG_EBP
 #define TCG_AREG1 TCG_REG_EBX
 #define TCG_AREG2 TCG_REG_ESI
-#define TCG_AREG3 TCG_REG_EDI
 
 static inline void flush_icache_range(unsigned long start, unsigned long stop)
 {