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Replace XOR with self with 0

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Alex Beregszaszi 2016-11-09 02:25:44 +00:00
parent b8bba66220
commit 3fdef92911
1 changed files with 1 additions and 0 deletions
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1
libevmasm/ExpressionClasses.cpp
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@ -262,6 +262,7 @@ Rules::Rules()
// operations involving an expression and itself
{{Instruction::AND, {X, X}}, [=]{ return X; }},
{{Instruction::OR, {X, X}}, [=]{ return X; }},
{{Instruction::XOR, {X, X}}, [=]{ return u256(0); }},
{{Instruction::SUB, {X, X}}, [=]{ return u256(0); }},
{{Instruction::EQ, {X, X}}, [=]{ return u256(1); }},
{{Instruction::LT, {X, X}}, [=]{ return u256(0); }},