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codegen: clean not only booleans but all types before storing them into memory

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Yoichi Hirai committed 2016-11-30 17:42:21 +01:00
1 parent 5d7a1fda39
commit d77c8f730c
2 files changed
+3 -4
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libsolidity/codegen/CompilerUtils.cpp
+2 -3
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@@ -941,7 +941,7 @@ void CompilerUtils::cleanHigherOrderBits(IntegerType const& _typeOnStack)
m_context << ((u256(1) << _typeOnStack.numBits()) - 1) << Instruction::AND;
}
unsigned CompilerUtils::prepareMemoryStore(Type const& _type, bool _padToWordBoundaries) const
unsigned CompilerUtils::prepareMemoryStore(Type const& _type, bool _padToWordBoundaries)
{
unsigned numBytes = _type.calldataEncodedSize(_padToWordBoundaries);
bool leftAligned = _type.category() == Type::Category::FixedBytes;
@@ -950,8 +950,7 @@ unsigned CompilerUtils::prepareMemoryStore(Type const& _type, bool _padToWordBou
else
{
solAssert(numBytes <= 32, "Memory store of more than 32 bytes requested.");
if (_type.category() == Type::Category::Bool)
m_context << Instruction::ISZERO << Instruction::ISZERO;
convertType(_type, _type, true);
if (numBytes != 32 && !leftAligned && !_padToWordBoundaries)
// shift the value accordingly before storing
m_context << (u256(1) << ((32 - numBytes) * 8)) << Instruction::MUL;