diff --git a/clang/lib/Basic/Targets/Mips.cpp b/clang/lib/Basic/Targets/Mips.cpp
index 7983455..065138b 100644
--- a/clang/lib/Basic/Targets/Mips.cpp
+++ b/clang/lib/Basic/Targets/Mips.cpp
@@ -166,6 +166,9 @@
   if (HasMSA)
     Builder.defineMacro("__mips_msa", Twine(1));
 
+  if (DisableMadd4)
+    Builder.defineMacro("__mips_no_madd4", Twine(1));
+
   Builder.defineMacro("_MIPS_SZPTR", Twine(getPointerWidth(0)));
   Builder.defineMacro("_MIPS_SZINT", Twine(getIntWidth()));
   Builder.defineMacro("_MIPS_SZLONG", Twine(getLongWidth()));