diff --git a/clang/include/clang/Basic/riscv_vector.td b/clang/include/clang/Basic/riscv_vector.td
--- a/clang/include/clang/Basic/riscv_vector.td
+++ b/clang/include/clang/Basic/riscv_vector.td
@@ -1504,6 +1504,16 @@
 // and LMUL.
 let HeaderCode =
 [{
+#if defined(__riscv_zvfh)
+typedef _Float16 float16_t;
+#endif
+#if defined(__riscv_f)
+typedef float float32_t;
+#endif
+#if defined(__riscv_d)
+typedef double float64_t;
+#endif
+
 #define vsetvl_e8mf8(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 5)
 #define vsetvl_e8mf4(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 6)
 #define vsetvl_e8mf2(avl) __builtin_rvv_vsetvli((size_t)(avl), 0, 7)