diff --git a/src/mapleall/maple_be/include/cg/dbg.def b/src/mapleall/maple_be/include/cg/dbg.def
index b49c9093cb005a60ba4fbe57a09e05f2b130993b..b95eefe0c588588023923fd7f8818d11bc94f42f 100644
--- a/src/mapleall/maple_be/include/cg/dbg.def
+++ b/src/mapleall/maple_be/include/cg/dbg.def
@@ -13,5 +13,5 @@
  * See the Mulan PSL v1 for more details.
  */
 /* .loc fileNum lineNum */
-DBG_DEFINE(loc,     , 2, Immediate, Immediate, Undef)
+DBG_DEFINE(loc,     , 3, Immediate, Immediate, Immediate)
 DBG_DEFINE(scope,   , 2, Immediate, Immediate, Undef)
diff --git a/src/mapleall/maple_be/src/cg/aarch64/aarch64_proepilog.cpp b/src/mapleall/maple_be/src/cg/aarch64/aarch64_proepilog.cpp
index 883c14dd17beccb0a2b82f47be12126a6904cf3c..ce1506a0606e1db78e51c7f9ddea37015647e86d 100644
--- a/src/mapleall/maple_be/src/cg/aarch64/aarch64_proepilog.cpp
+++ b/src/mapleall/maple_be/src/cg/aarch64/aarch64_proepilog.cpp
@@ -1438,13 +1438,15 @@ void AArch64GenProEpilog::GenerateProlog(BB &bb) {
           }
         }
         Operand *o1 = cgFunc.CreateDbgImmOperand(lineNum);
-        Insn &loc = currCG->BuildInstruction<mpldbg::DbgInsn>(mpldbg::OP_DBG_loc, *o0, *o1);
+        Operand *o2 = cgFunc.CreateDbgImmOperand(fSym->GetSrcPosition().Column());
+        Insn &loc = currCG->BuildInstruction<mpldbg::DbgInsn>(mpldbg::OP_DBG_loc, *o0, *o1, *o2);
         cgFunc.GetCurBB()->AppendInsn(loc);
       }
     } else {
       Operand *o0 = cgFunc.CreateDbgImmOperand(1);
       Operand *o1 = cgFunc.CreateDbgImmOperand(fSym->GetSrcPosition().MplLineNum());
-      Insn &loc = currCG->BuildInstruction<mpldbg::DbgInsn>(mpldbg::OP_DBG_loc, *o0, *o1);
+      Operand *o2 = cgFunc.CreateDbgImmOperand(0);
+      Insn &loc = currCG->BuildInstruction<mpldbg::DbgInsn>(mpldbg::OP_DBG_loc, *o0, *o1, *o2);
       cgFunc.GetCurBB()->AppendInsn(loc);
     }
   }
diff --git a/src/mapleall/maple_be/src/cg/cgfunc.cpp b/src/mapleall/maple_be/src/cg/cgfunc.cpp
index 788a763a8e258d517b60cee902a55894f07e5f3d..aa4fa05150c5f43b69535c865598ccf3f2453c2e 100644
--- a/src/mapleall/maple_be/src/cg/cgfunc.cpp
+++ b/src/mapleall/maple_be/src/cg/cgfunc.cpp
@@ -1529,7 +1529,8 @@ void CGFunc::GenerateLoc(StmtNode *stmt, SrcPosition &lastSrcPos, SrcPosition &l
     if (cg->GetCGOptions().WithMpl() && !hasLoc && !lastMplPos.IsEqMpl(newSrcPos)) {
       Operand *o0 = CreateDbgImmOperand(1);
       Operand *o1 = CreateDbgImmOperand(newSrcPos.MplLineNum());
-      Insn &loc = cg->BuildInstruction<mpldbg::DbgInsn>(mpldbg::OP_DBG_loc, *o0, *o1);
+      Operand *o2 = CreateDbgImmOperand(0);
+      Insn &loc = cg->BuildInstruction<mpldbg::DbgInsn>(mpldbg::OP_DBG_loc, *o0, *o1, *o2);
       curBB->AppendInsn(loc);
       lastMplPos.UpdateWith(newSrcPos);
     }
diff --git a/src/mapleall/maple_driver/src/driver_runner.cpp b/src/mapleall/maple_driver/src/driver_runner.cpp
index 96dce5e9d0b82a81901c1dc8ef305dff3f697f91..e236c8f25011a46485cdfb479f84ec267b13b6b6 100644
--- a/src/mapleall/maple_driver/src/driver_runner.cpp
+++ b/src/mapleall/maple_driver/src/driver_runner.cpp
@@ -314,6 +314,11 @@ void DriverRunner::ProcessCGPhase(const std::string &output, const std::string &
   if (withDwarf && !theModule->IsWithDbgInfo()) {
     LogInfo::MapleLogger() << "set up debug info " << '\n';
     theMIRModule->GetDbgInfo()->BuildDebugInfo();
+#if DEBUG
+    if (cgOptions) {
+      cgOptions->SetOption(CGOptions::kVerboseAsm);
+    }
+#endif
   }
   if (cgOptions == nullptr) {
     return;
diff --git a/src/mapleall/maple_driver/src/mplcg_compiler.cpp b/src/mapleall/maple_driver/src/mplcg_compiler.cpp
index 19e55113f95efeaa14cc3ded88db4693acd0446e..e24eb66e823472289c36ddcc74fe9dd14ac12bc6 100644
--- a/src/mapleall/maple_driver/src/mplcg_compiler.cpp
+++ b/src/mapleall/maple_driver/src/mplcg_compiler.cpp
@@ -118,6 +118,9 @@ ErrorCode MplcgCompiler::MakeCGOptions(const MplOptions &options) {
   /* use maple flags to set cg flags */
   if (opts::withDwarf) {
     cgOption.SetOption(CGOptions::kWithDwarf);
+#if DEBUG
+    cgOption.SetOption(CGOptions::kVerboseAsm);
+#endif
   }
   cgOption.SetGenerateFlags(CGOptions::kDefaultGflags);