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Merge pull request #8679 from ethereum/bitOpsForYul

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[Sol->Yul] Implement bit operations.
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Leonardo 2020-04-16 09:08:19 +02:00 committed by GitHub
commit 0f7a5e8062
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2 changed files with 28 additions and 0 deletions
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9
libsolidity/codegen/ir/IRGeneratorForStatements.cpp
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@ -1537,6 +1537,15 @@ string IRGeneratorForStatements::binaryOperation(
case Token::Mod:
fun = m_utils.checkedIntModFunction(*type);
break;
case Token::BitOr:
fun = "or";
break;
case Token::BitXor:
fun = "xor";
break;
case Token::BitAnd:
fun = "and";
break;
default:
break;
}

19
test/libsolidity/semanticTests/expressions/bit_operators.sol Normal file
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@ -0,0 +1,19 @@
contract test {
uint8 x;
uint v;
function f() public returns (uint x, uint y, uint z) {
uint16 a;
uint32 b;
assembly {
a := 0x0f0f0f0f0f
b := 0xff0fff0fff
}
x = a & b;
y = a | b;
z = a ^ b;
}
}
// ====
// compileViaYul: also
// ----
// f() -> 3855, 268374015, 268370160