From 5c0c3c39c218ad4cd16914cd67c41fcd3d42b577 Mon Sep 17 00:00:00 2001
From: Yoichi Hirai <i@yoichihirai.com>
Date: Wed, 5 Oct 2016 17:45:24 +0200
Subject: [PATCH] Let the optimizer optimize

Following a comment https://github.com/ethereum/solidity/pull/1091#discussion_r81823106
---
 libsolidity/codegen/ExpressionCompiler.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp
index 9fb8cb08a940..ff6e5bbffe73 100644
--- a/libsolidity/codegen/ExpressionCompiler.cpp
+++ b/libsolidity/codegen/ExpressionCompiler.cpp
@@ -1341,8 +1341,7 @@ void ExpressionCompiler::appendArithmeticOperatorCode(Token::Value _operator, Ty
 		if (c_isSigned && _operator == Token::Div)
 		{
 			m_context << Instruction::DUP1 // x
-				<< u256(255) << u256(2) << Instruction::EXP // 2 ** 255
-				<< Instruction::EQ;
+				<< (u256(1) << 255) << Instruction::EQ;
 			// y, x, (x == 2 ** 255)
 			m_context << Instruction::DUP3 << Instruction::NOT //y
 				<< Instruction::ISZERO;