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Implement bit operations.

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This commit is contained in:
chriseth 2020-04-16 00:33:32 +02:00
parent 10879bcae6
commit 06adbc2c59
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: case Token::Mod:
fun = m_utils.checkedIntModFunction(*type); fun = m_utils.checkedIntModFunction(*type);
break; break;
case Token::BitOr:
fun = "or";
break;
case Token::BitXor:
fun = "xor";
break;
case Token::BitAnd:
fun = "and";
break;
default: default:
break; break;
} }

19
test/libsolidity/semanticTests/expressions/bit_operators.sol Normal file
View File

@ -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