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fix FASTCALL stack push, optimized size for multiple immediate value arguments
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DataHoarder 2021-01-04 17:09:19 +01:00
parent e76befaed7
commit 22b72ede9f
1 changed files with 40 additions and 17 deletions
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57
src/instructions/virtual/FastCall.cpp
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@ -62,29 +62,52 @@ namespace Instruction{
}
void FastCall::initData(const std::vector<Token> &data) {
uint32_t offset = 0;
bool isAllData = true;
for(auto& t : data){
//TODO: optimize for immediate values
if(offset >= 2){
if(t.getType() == Token::Type::RegisterLocation){
isAllData = false;
break;
}else{
if(t.getType() == Token::Type::RegisterLocation){
instructions.push_back(std::make_unique<Copy>(AddressWithOffset{(uint32_t)MgmtRegisters::MGMT_SCRATCH_0 + offset, 0}, AddressWithOffset{t.getNumericValue(), 0}, 1)); //TODO: allow offsets
}else{
instructions.push_back(std::make_unique<Write>(AddressWithOffset{(uint32_t)MgmtRegisters::MGMT_SCRATCH_0 + offset, 0}, std::vector<uint32_t>{t.getNumericValue()}));
}
}
++offset;
}
if(data.size() > 2){
//Left to right
for(uint32_t i = data.size() - 1; i > 2; --i){
auto& t = data.at(i);
if(t.getType() == Token::Type::RegisterLocation){
instructions.push_back(std::make_unique<Stack::Push>(AddressWithOffset{t.getNumericValue(), 0})); //TODO: allow offsets
if(isAllData){
std::vector<uint32_t> scratchData;
std::vector<uint32_t> stackData;
for(uint32_t i = 0; i < data.size(); ++i){
if(i < 2){
scratchData.push_back(data.at(i).getNumericValue());
}else{
instructions.push_back(std::make_unique<Stack::PushImm>(t.getNumericValue()));
stackData.push_back(data.at(i).getNumericValue());
}
}
instructions.push_back(std::make_unique<Write>(AddressWithOffset{(uint32_t)MgmtRegisters::MGMT_SCRATCH_0, 0}, scratchData));
if(!stackData.empty()){
instructions.push_back(std::make_unique<Stack::PushImm>(stackData));
}
}else{
uint32_t offset = 0;
for(auto& t : data){
if(offset >= 2){
break;
}else{
if(t.getType() == Token::Type::RegisterLocation){
instructions.push_back(std::make_unique<Copy>(AddressWithOffset{(uint32_t)MgmtRegisters::MGMT_SCRATCH_0 + offset, 0}, AddressWithOffset{t.getNumericValue(), 0}, 1)); //TODO: allow offsets
}else{
instructions.push_back(std::make_unique<Write>(AddressWithOffset{(uint32_t)MgmtRegisters::MGMT_SCRATCH_0 + offset, 0}, std::vector<uint32_t>{t.getNumericValue()}));
}
}
++offset;
}
if(data.size() > 2){
//Left to right
for(uint32_t i = data.size() - 1; i >= 2; --i){
auto& t = data.at(i);
if(t.getType() == Token::Type::RegisterLocation){
instructions.push_back(std::make_unique<Stack::Push>(AddressWithOffset{t.getNumericValue(), 0})); //TODO: allow offsets
}else{
instructions.push_back(std::make_unique<Stack::PushImm>(t.getNumericValue()));
}
}
}
}