bool Liveness::SrcRegisterIs(const Registers& regs, myTemp reg) const
{
assert (reg != nullptr);
assert (regs.size() >= 0 && regs.size() <= 1);
if (regs.size() == 1) return regs.at(0) == reg;
else return false;
}
// Compare register sets by name
static inline bool compareRegisterSet(const Registers &r1, const Registers &r2)
{
if (r1.size() != r2.size())
return false;
const int size = r1.size();
for (int r = 0; r < size; r++)
if (r1.at(r).name != r2.at(r).name)
return false;
return true;
}
// NOTE:
// This function also recognize conditions when either of the destination
// register or the source register is used as a memory location:
// mov [reg], reg | mov [reg], [reg] | mov reg, [reg]
// On these conditions, the move instructions are not treated as move pairs.
bool Liveness::IsTwoContentRegOperandMove(
Node node, Registers& leftOperand, Registers& rightOperand) const
{
if (!cfGraph.IsMoveIns(node) ||
leftOperand.size() != 1 || rightOperand.size() != 1)
return false;
// check memory operand type from "[]" characters
string insStr = cfGraph.GetNodeIns(node)->ToString();
return insStr.find('[') == string::npos;
}
std::string gdbmiRegisters(CIDebugRegisters *regs,
CIDebugControl *control,
bool humanReadable,
unsigned flags,
std::string *errorMessage)
{
if (regs == 0 || control == 0) {
*errorMessage = "Required interfaces missing for registers dump.";
return std::string();
}
const Registers registers = getRegisters(regs, flags, errorMessage);
if (registers.empty())
return std::string();
std::ostringstream str;
str << '[';
if (humanReadable)
str << '\n';
const Registers::size_type size = registers.size();
for (Registers::size_type r = 0; r < size; ++r) {
const Register ® = registers.at(r);
if (r)
str << ',';
str << "{number=\"" << r << "\",name=\"" << gdbmiWStringFormat(reg.name) << '"';
if (!reg.description.empty())
str << ",description=\"" << gdbmiWStringFormat(reg.description) << '"';
if (reg.subRegister)
str << ",subregister=\"true\"";
if (reg.pseudoRegister)
str << ",pseudoregister=\"true\"";
str << ",value=\"";
formatDebugValue(str, reg.value, control);
str << "\"}";
if (humanReadable)
str << '\n';
}
str << ']';
if (humanReadable)
str << '\n';
return str.str();
}
bool Liveness::IsSelfMove(Registers& leftOperand, Registers& rightOperand) const
{
assert (leftOperand.size() == 1 && rightOperand.size() == 1);
return leftOperand.at(0) == rightOperand.at(0);
}
