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[backend]适配SLL、SRL指令

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This commit is contained in:
Lixuanwang
2025-08-18 23:49:40 +08:00
parent 094b4c7c39
commit d7bf4b061f
3 changed files with 28 additions and 12 deletions
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16
src/backend/RISCv64/RISCv64Backend.cpp
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@@ -208,12 +208,12 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
std::stringstream ss_after_isel;
RISCv64AsmPrinter printer_isel(mfunc.get());
printer_isel.run(ss_after_isel, true);
DEBUG = 1;
if (DEBUG) {
std::cerr << "====== Intermediate Representation after Instruction Selection ======\n"
<< ss_after_isel.str();
}
DEBUG = 0;
// 阶段 2: 消除帧索引 (展开伪指令，计算局部变量偏移)
EliminateFrameIndicesPass efi_pass;
efi_pass.runOnMachineFunction(mfunc.get());
@@ -231,9 +231,9 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
DivStrengthReduction div_strength_reduction;
div_strength_reduction.runOnMachineFunction(mfunc.get());
// 阶段 2.2: 指令调度 (Instruction Scheduling)
PreRA_Scheduler scheduler;
scheduler.runOnMachineFunction(mfunc.get());
// // 阶段 2.2: 指令调度 (Instruction Scheduling)
// PreRA_Scheduler scheduler;
// scheduler.runOnMachineFunction(mfunc.get());
// 阶段 3: 物理寄存器分配 (Register Allocation)
bool allocation_succeeded = false;
@@ -345,9 +345,9 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
PeepholeOptimizer peephole;
peephole.runOnMachineFunction(mfunc.get());
// 阶段 5: 局部指令调度 (Local Scheduling)
PostRA_Scheduler local_scheduler;
local_scheduler.runOnMachineFunction(mfunc.get());
// // 阶段 5: 局部指令调度 (Local Scheduling)
// PostRA_Scheduler local_scheduler;
// local_scheduler.runOnMachineFunction(mfunc.get());
// 阶段 3.2: 插入序言和尾声
PrologueEpilogueInsertionPass pei_pass;