Method zeroInitialiseMemoryArray

libsolidity/codegen/CompilerUtils.cpp:637–663

}

void CompilerUtils::zeroInitialiseMemoryArray(ArrayType const& _type)
{
	if (_type.baseType()->hasSimpleZeroValueInMemory())
	{
		solAssert(_type.baseType()->isValueType());
		Whiskers templ(R"({
			let size := mul(length, <element_size>)
			// cheap way of zero-initializing a memory range
			calldatacopy(memptr, calldatasize(), size)
			memptr := add(memptr, size)
		})");
		templ("element_size", std::to_string(_type.memoryStride()));
		m_context.appendInlineAssembly(templ.render(), {"length", "memptr"});
	}
	else
	{
		auto repeat = m_context.newTag();
		m_context << repeat;
		pushZeroValue(*_type.baseType());
		storeInMemoryDynamic(*_type.baseType());
		m_context << Instruction::SWAP1 << u256(1) << Instruction::SWAP1;
		m_context << Instruction::SUB << Instruction::SWAP1;
		m_context << Instruction::DUP2;
		m_context.appendConditionalJumpTo(repeat);
	}
	m_context << Instruction::SWAP1 << Instruction::POP;
}

void CompilerUtils::memoryCopy32()
{