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can rounghly codegen

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This commit is contained in:
ZhuangYumin
2024-10-22 12:09:09 +00:00
parent 4c9d010ff7
commit 17816f2bf0
9 changed files with 597 additions and 27 deletions
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29
src/opt/regalloc.cpp
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@ -154,12 +154,12 @@ void TranslateColorResult(std::shared_ptr<FunctionDefItem> func, CFGType &cfg, C
var = "$reg." + std::to_string(confnode->color);
}
};
func->spilled_vars = 0;
for (auto node : cfg.nodes) {
auto block = node->corresponding_block;
std::vector<size_t> cur_node_use;
std::vector<size_t> cur_node_def;
bool use_def_init = false;
func->spilled_vars = 0;
for (auto act : block->actions) {
if (auto br_act = std::dynamic_pointer_cast<BRAction>(act)) {
if (var_to_id.find(br_act->cond) != var_to_id.end()) {
@ -284,11 +284,12 @@ void TranslateColorResult(std::shared_ptr<FunctionDefItem> func, CFGType &cfg, C
if (move_act->src_full == move_act->dest_full) {
need_remove = true;
}
} else if (auto force_def_act = std::dynamic_pointer_cast<ForceDef>(*act_it)) {
need_remove = true;
} else if (auto force_use_act = std::dynamic_pointer_cast<ForceUse>(*act_it)) {
need_remove = true;
}
// else if (auto force_def_act = std::dynamic_pointer_cast<ForceDef>(*act_it)) {
// need_remove = true;
// } else if (auto force_use_act = std::dynamic_pointer_cast<ForceUse>(*act_it)) {
// need_remove = true;
// }
if (need_remove) {
auto it_next = act_it;
++it_next;
@ -327,6 +328,22 @@ void PairMoveEliminate(std::shared_ptr<FunctionDefItem> func, CFGType &cfg, Conf
}
}
}
void RemoveCallingConventionKeeper(std::shared_ptr<FunctionDefItem> func, CFGType &cfg, ConfGraph &confgraph) {
for (auto node : cfg.nodes) {
auto block = node->corresponding_block;
std::vector<std::list<std::shared_ptr<ActionItem>>::iterator> act_to_move;
for (auto it = block->actions.begin(); it != block->actions.end(); ++it) {
if (std::dynamic_pointer_cast<opt::ForceDef>(*it) || std::dynamic_pointer_cast<opt::ForceUse>(*it)) {
act_to_move.push_back(it);
}
}
for (auto it : act_to_move) {
block->actions.erase(it);
}
}
}
void ConductRegAllocForFunction(std::shared_ptr<FunctionDefItem> func) {
std::cerr << "processing function " << func->func_name_raw << std::endl;
CFGType cfg;
@ -342,7 +359,7 @@ void ConductRegAllocForFunction(std::shared_ptr<FunctionDefItem> func) {
confgraph = BuildConfGraph(cfg);
} while (ConductColoring(func, cfg, confgraph));
TranslateColorResult(func, cfg, confgraph);
// PairMoveEliminate(func, cfg, confgraph);
RemoveCallingConventionKeeper(func, cfg, confgraph);
func->RecursivePrint(std::cerr);
}