diff --git a/src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp b/src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp
index 5c2afe7ea82a2d8c81adb2d304bafe93fdc3e00c..0ead8727fa95ad742d680d87689c61469be46c42 100644
--- a/src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp
+++ b/src/mapleall/maple_be/src/cg/aarch64/aarch64_color_ra.cpp
@@ -91,7 +91,7 @@ bool LiveRange::IsRematerializable(AArch64CGFunc &cgFunc, uint8 rematLevel) cons
       return false;
     }
     const MIRIntConst *intConst = static_cast<const MIRIntConst *>(rematInfo.mirConst);
-    return intConst->GetValue() >= 0 && intConst->GetValue() <= 255;
+    return intConst->GetValue() >= -65538 && intConst->GetValue() <= 65537;
   }
   case OP_addrof: {
     if (rematLevel < rematAddr) {
@@ -148,7 +148,6 @@ std::vector<Insn *> LiveRange::Rematerialize(AArch64CGFunc *cgFunc,
   CG *cg = cgFunc->GetCG();
   switch (op) {
   case OP_constval:
-    break;
     switch (rematInfo.mirConst->GetKind()) {
     case kConstInt: {
       MIRIntConst *intConst = const_cast<MIRIntConst *>(