From a2a28b734229760e7cb9a267f8070a28578608ef Mon Sep 17 00:00:00 2001
From: Alexis Engelke <alexis.engelke@googlemail.com>
Date: Sat, 2 Nov 2019 17:08:58 +0100
Subject: [PATCH] Fix immediate size for REX+66 combinations

---
 decode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/decode.c b/decode.c
index 099284c..45a1797 100644
--- a/decode.c
+++ b/decode.c
@@ -526,7 +526,7 @@ fd_decode(const uint8_t* buffer, size_t len_sz, int mode_int, uintptr_t address,
             // Jumps are always 8 or 32 bit on x86-64.
             imm_size = 4;
 #endif
-        else if (prefixes & PREFIX_OPSZ)
+        else if (op_size == 2)
             imm_size = 2;
 #if defined(ARCH_X86_64)
         else if (mode == DECODE_64 && (prefixes & PREFIX_REXW) &&