2 files changed, 10 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets/Mips.cpp b/clang/lib/Basic/Targets/Mips.cpp
index 840ad1bc627..2cafbe87a99 100644
--- a/clang/lib/Basic/Targets/Mips.cpp
+++ b/clang/lib/Basic/Targets/Mips.cpp
@@ -215,6 +215,14 @@ ArrayRef<Builtin::Info> MipsTargetInfo::getTargetBuiltins() const {
                                              Builtin::FirstTSBuiltin);
 }
 
+unsigned MipsTargetInfo::getUnwindWordWidth() const {
+  return llvm::StringSwitch<unsigned>(ABI)
+      .Case("o32", 32)
+      .Case("n32", 64)
+      .Case("n64", 64)
+      .Default(getPointerWidth(0));
+}
+
 bool MipsTargetInfo::validateTarget(DiagnosticsEngine &Diags) const {
   // microMIPS64R6 backend was removed.
   if (getTriple().isMIPS64() && IsMicromips && (ABI == "n32" || ABI == "n64")) {
diff --git a/clang/lib/Basic/Targets/Mips.h b/clang/lib/Basic/Targets/Mips.h
index ca0a5bf5965..474cda84a40 100644
--- a/clang/lib/Basic/Targets/Mips.h
+++ b/clang/lib/Basic/Targets/Mips.h
@@ -401,6 +401,8 @@ public:
     return (ABI == "n32" || ABI == "n64") || getTargetOpts().ForceEnableInt128;
   }
 
+  unsigned getUnwindWordWidth() const override;
+
   bool validateTarget(DiagnosticsEngine &Diags) const override;
 };
 } // namespace targets