gh0s7/mysysy
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[midend][backend]同步后端逻辑，修复编译错误

Browse Source
This commit is contained in:
Lixuanwang
2025-07-26 12:53:21 +08:00
parent 3df9b3bb06
commit 4b181261ce
2 changed files with 42 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
src/RISCv64AsmPrinter.cpp
View File

@@ -47,45 +47,45 @@ void RISCv64AsmPrinter::printPrologue() {
*OS << " addi s0, sp, " << aligned_stack_size << "\n";
}
// 为函数参数分配寄存器
Function* F = MFunc->getFunc();
if (F && F->getEntryBlock()) {
int arg_idx = 0;
RISCv64ISel* isel = MFunc->getISel();
// // 为函数参数分配寄存器
// Function* F = MFunc->getFunc();
// if (F && F->getEntryBlock()) {
// int arg_idx = 0;
// RISCv64ISel* isel = MFunc->getISel();
// 获取函数所有参数的类型列表
auto param_types = F->getParamTypes();
// // 获取函数所有参数的类型列表
// auto param_types = F->getParamTypes();
for (AllocaInst* alloca_for_param : F->getEntryBlock()->getArguments()) {
if (arg_idx >= 8) break;
// for (AllocaInst* alloca_for_param : F->getEntryBlock()->getArguments()) {
// if (arg_idx >= 8) break;
unsigned vreg = isel->getVReg(alloca_for_param);
if (frame_info.alloca_offsets.count(vreg)) {
int offset = frame_info.alloca_offsets.at(vreg);
auto arg_reg = static_cast<PhysicalReg>(static_cast<int>(PhysicalReg::A0) + arg_idx);
// unsigned vreg = isel->getVReg(alloca_for_param);
// if (frame_info.alloca_offsets.count(vreg)) {
// int offset = frame_info.alloca_offsets.at(vreg);
// auto arg_reg = static_cast<PhysicalReg>(static_cast<int>(PhysicalReg::A0) + arg_idx);
// 1. 获取当前参数的真实类型
// 注意：F->getParamTypes() 返回的是一个 range-based view，需要转换为vector或直接使用
Type* current_param_type = nullptr;
int temp_idx = 0;
for(auto p_type : param_types) {
if (temp_idx == arg_idx) {
current_param_type = p_type;
break;
}
temp_idx++;
}
assert(current_param_type && "Could not find parameter type.");
// // 1. 获取当前参数的真实类型
// // 注意：F->getParamTypes() 返回的是一个 range-based view，需要转换为vector或直接使用
// Type* current_param_type = nullptr;
// int temp_idx = 0;
// for(auto p_type : param_types) {
// if (temp_idx == arg_idx) {
// current_param_type = p_type;
// break;
// }
// temp_idx++;
// }
// assert(current_param_type && "Could not find parameter type.");
// 2. 根据类型决定使用 "sw" 还是 "sd"
const char* store_op = current_param_type->isPointer() ? "sd" : "sw";
// // 2. 根据类型决定使用 "sw" 还是 "sd"
// const char* store_op = current_param_type->isPointer() ? "sd" : "sw";
// 3. 打印正确的存储指令
*OS << " " << store_op << " " << regToString(arg_reg) << ", " << offset << "(s0)\n";
}
arg_idx++;
}
}
// // 3. 打印正确的存储指令
// *OS << " " << store_op << " " << regToString(arg_reg) << ", " << offset << "(s0)\n";
// }
// arg_idx++;
// }
// }
}
void RISCv64AsmPrinter::printEpilogue() {