Introduce macro VX4() used for encoding Altivec instructions.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
---
 tcg/ppc/tcg-target.inc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index 9d678c3bf1..8dc5455600 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -319,6 +319,7 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type,
 #define XO31(opc) (OPCD(31)|((opc)<<1))
 #define XO58(opc) (OPCD(58)|(opc))
 #define XO62(opc) (OPCD(62)|(opc))
+#define VX4(opc)  (OPCD(4)|(opc))
 
 #define B      OPCD( 18)
 #define BC     OPCD( 16)
-- 
2.17.1