diff --git a/clang/lib/Basic/Targets/RISCV.cpp b/clang/lib/Basic/Targets/RISCV.cpp
index 4feac2151327ba..7bf845ce27ca03 100644
--- a/clang/lib/Basic/Targets/RISCV.cpp
+++ b/clang/lib/Basic/Targets/RISCV.cpp
@@ -206,6 +206,8 @@ void RISCVTargetInfo::getTargetDefines(const LangOptions &Opts,
   if (HasXTHeadVector) {
     // https://github.com/riscv-non-isa/rvv-intrinsic-doc/pull/298/files
     Builder.defineMacro("__riscv_th_v_intrinsic", Twine(getVersionValue(0, 11)));
+    // https://github.com/ruyisdk/llvm-project/issues/128
+    Builder.defineMacro("__riscv_vector");
   }
 
   auto VScale = getVScaleRange(Opts);
diff --git a/clang/test/Preprocessor/riscv-target-features.c b/clang/test/Preprocessor/riscv-target-features.c
index f19b319b2ba507..d211fdee3e0e43 100644
--- a/clang/test/Preprocessor/riscv-target-features.c
+++ b/clang/test/Preprocessor/riscv-target-features.c
@@ -230,6 +230,7 @@
 // RUN: -o - | FileCheck --check-prefix=CHECK-V0P7-EXT %s
 // CHECK-V0P7-EXT: __riscv_th_v_intrinsic 11000{{$}}
 // CHECK-V0P7-EXT: __riscv_xtheadvector 1000000{{$}}
+// CHECK-V0P7-EXT: __riscv_vector 1
 
 // RUN: %clang -target riscv32-unknown-linux-gnu \
 // RUN: -march=rv32i_xtheadvector -x c -E -dM %s \