From 92c3ea6000b37737a7caa5876a12a52d61198676 Mon Sep 17 00:00:00 2001
From: Hanjoung Lee <hanjoung.lee@samsung.com>
Date: Thu, 17 Aug 2017 11:55:43 +0900
Subject: [RyuJIT/arm32] Fix LEA codegen

Do not generate `mov` when src and dst are the same
when we generate code for LEA node.

Fix #13418
---
 src/jit/codegenarmarch.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/jit/codegenarmarch.cpp b/src/jit/codegenarmarch.cpp
index 11d2258f51..d7514822cc 100644
--- a/src/jit/codegenarmarch.cpp
+++ b/src/jit/codegenarmarch.cpp
@@ -3235,7 +3235,10 @@ void CodeGen::genLeaInstruction(GenTreeAddrMode* lea)
             }
             else // offset is zero
             {
-                emit->emitIns_R_R(INS_mov, size, lea->gtRegNum, memBase->gtRegNum);
+                if (lea->gtRegNum != memBase->gtRegNum)
+                {
+                    emit->emitIns_R_R(INS_mov, size, lea->gtRegNum, memBase->gtRegNum);
+                }
             }
         }
         else
-- 
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