Fix immediate size for REX+66 combinations

2019-11-02 17:08:58 +01:00
parent 915c2296c1
commit a2a28b7342
1 changed files with 1 additions and 1 deletions
--- 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) &&