Merge branch 'backend-divopt' into midend

2025-08-03 14:53:22 +08:00
parent 32ea24df56 9c5d9ea78c
commit 5b43f208ac
12 changed files with 400 additions and 8 deletions
--- a/src/backend/RISCv64/RISCv64Backend.cpp
+++ b/src/backend/RISCv64/RISCv64Backend.cpp
@@ -182,7 +182,11 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
    RISCv64AsmPrinter printer1(mfunc.get());
    printer1.run(ss1, true);

-    // 阶段 2: 指令调度 (Instruction Scheduling)
+    // 阶段 2: 除法强度削弱优化 (Division Strength Reduction)
+    DivStrengthReduction div_strength_reduction;
+    div_strength_reduction.runOnMachineFunction(mfunc.get());
+
+    // 阶段 2.1: 指令调度 (Instruction Scheduling)
    PreRA_Scheduler scheduler;
    scheduler.runOnMachineFunction(mfunc.get());