From 84e184518f2aecfa347eae4600391d01d875834b Mon Sep 17 00:00:00 2001
From: Shadow Cat <shadowcatzero@protonmail.com>
Date: Sat, 13 Jun 2026 13:47:12 -0400
Subject: [PATCH] small stuff

---
 src/arch/x86_64/encode.rs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/arch/x86_64/encode.rs b/src/arch/x86_64/encode.rs
index 9499c62..978ab44 100644
--- a/src/arch/x86_64/encode.rs
+++ b/src/arch/x86_64/encode.rs
@@ -172,7 +172,7 @@ impl Code {
         self.bytes.push(0xc3);
     }
 
-    pub fn sub(&mut self, mut dst: Reg, src: impl Into<Imm>) -> ERes {
+    pub fn sub(&mut self, dst: Reg, src: impl Into<Imm>) -> ERes {
         let mut src = src.into();
         let mut width = src.width_signed()?;
         let dst_width = dst.width().min(Width::B32);
@@ -188,16 +188,16 @@ impl Code {
             src = src.reinterpret(dst_width);
             width = src.width_signed()?;
         }
+
         if dst.width() == Width::B8 {
             self.bytes.push(0x80);
+        } else if width == Width::B8 {
+            self.bytes.push(0x83);
         } else {
-            if width == Width::B8 {
-                self.bytes.push(0x83);
-            } else {
-                self.bytes.push(0x81);
-                width = dst_width;
-            }
+            self.bytes.push(0x81);
+            width = dst_width;
         }
+
         self.bytes.push(modrm(0b11, 0b101, dst.base()));
         self.imm(src, width);
         Ok(())