From 6e4a1b55b1e783573d51386f2612c85b345bf938 Mon Sep 17 00:00:00 2001
From: Sven Steinbauer <sven@unlogic.co.uk>
Date: Tue, 7 Jun 2016 10:01:35 +0100
Subject: [PATCH] Error if moving 64bit val to 32bit reg (#5088)

mov eax, 0x1122334455667788 now errors if trying to assemble with -b64.
---
 libr/asm/p/asm_x86_nz.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libr/asm/p/asm_x86_nz.c b/libr/asm/p/asm_x86_nz.c
index e4ec7f94e5..24b3cff901 100644
--- a/libr/asm/p/asm_x86_nz.c
+++ b/libr/asm/p/asm_x86_nz.c
@@ -1108,8 +1108,12 @@ SETNP/SETPO - Set if No Parity / Set if Parity Odd (386+)
 			ptr = (ut8 *)&dst;
 			if (dst > UT32_MAX) {
 				if (a->bits == 64) {
-					if (*arg == 'r')
+					if (*arg == 'r') {
 						data[l++] = 0x48;
+					} else {
+						eprintf ("Error: destination register is not 64 bit\n");
+						return -1;
+					}
 					data[1] = 0xb8 | getreg (arg);
 					data[2] = ptr[0];
 					data[3] = ptr[1];