From 73d1cf36c39a5b6fa1fb311962c1f2b4612e8d9d Mon Sep 17 00:00:00 2001
From: MerryMage <MerryMage@users.noreply.github.com>
Date: Sat, 18 Feb 2017 19:27:18 +0000
Subject: [PATCH] extension: Simplify UXTB16

---
 src/frontend/translate/translate_arm/extension.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/frontend/translate/translate_arm/extension.cpp b/src/frontend/translate/translate_arm/extension.cpp
index 2e1f0cac..81ec7ae5 100644
--- a/src/frontend/translate/translate_arm/extension.cpp
+++ b/src/frontend/translate/translate_arm/extension.cpp
@@ -141,9 +141,7 @@ bool ArmTranslatorVisitor::arm_UXTB16(Cond cond, Reg d, SignExtendRotation rotat
     // UXTB16 <Rd>, <Rm>, <rotate>
     if (ConditionPassed(cond)) {
         auto rotated = Rotate(ir, m, rotate);
-        auto lower_half = ir.ZeroExtendByteToWord(ir.LeastSignificantByte(rotated));
-        auto upper_half = ir.And(rotated, ir.Imm32(0x00FF0000));
-        auto result = ir.Or(lower_half, upper_half);
+        auto result = ir.And(rotated, ir.Imm32(0x00FF00FF));
         ir.SetRegister(d, result);
     }
     return true;