tcg/arm: align 64-bit arguments in function calls

As specified by the "Procedure Call Standard for the ARM Architecture".

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

tcg/arm/tcg-target.h

diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h
index a0027b5..334edfa 100644
--- a/tcg/arm/tcg-target.h
+++ b/tcg/arm/tcg-target.h
@@ -54,6 +54,7 @@
 /* used for function call generation */
 #define TCG_REG_CALL_STACK		TCG_REG_R13
 #define TCG_TARGET_STACK_ALIGN		8
+#define TCG_TARGET_CALL_ALIGN_ARGS	1
 #define TCG_TARGET_CALL_STACK_OFFSET	0
 
 /* optional instructions */