From 0504f759cadb643d50e4eee6e9372d98dd3ac245 Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Sat, 20 Jul 2019 10:55:58 -0700
Subject: these types SHOULD be representable with one byte

---
 src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 24f4299..82a1e48 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -213,6 +213,7 @@ impl Operand {
 
 #[cfg(feature="use-serde")]
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
+#[repr(u8)]
 pub enum RegisterBank {
     Q, D, W, B, rB, // Quadword, Dword, Word, Byte
     CR, DR, S, EIP, RIP, EFlags, RFlags,  // Control reg, Debug reg, Selector, ...
@@ -222,6 +223,7 @@ pub enum RegisterBank {
 #[allow(non_camel_case_types)]
 #[cfg(not(feature="use-serde"))]
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
+#[repr(u8)]
 pub enum RegisterBank {
     Q, D, W, B, rB, // Quadword, Dword, Word, Byte
     CR, DR, S, EIP, RIP, EFlags, RFlags,  // Control reg, Debug reg, Selector, ...
@@ -230,12 +232,14 @@ pub enum RegisterBank {
 }
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
+#[repr(u8)]
 pub enum Segment {
     CS, DS, ES, FS, GS, SS
 }
 
 #[allow(non_camel_case_types)]
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[repr(u8)]
 pub enum Opcode {
     XADD,
     BT,
-- 
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