diff --git a/clang/lib/Basic/Targets/RISCV.h b/clang/lib/Basic/Targets/RISCV.h
--- a/clang/lib/Basic/Targets/RISCV.h
+++ b/clang/lib/Basic/Targets/RISCV.h
@@ -32,7 +32,19 @@
   bool HasC = false;
   bool HasB = false;
   bool HasV = false;
+  bool HasZbb = false;
+  bool HasZbc = false;
+  bool HasZbe = false;
+  bool HasZbf = false;
+  bool HasZbm = false;
+  bool HasZbp = false;
+  bool HasZbproposedc = false;
+  bool HasZbr = false;
+  bool HasZbs = false;
+  bool HasZbt = false;
   bool HasZfh = false;
+  bool HasZvamo = false;
+  bool HasZvlsseg = false;
 
 public:
   RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
diff --git a/clang/lib/Basic/Targets/RISCV.cpp b/clang/lib/Basic/Targets/RISCV.cpp
--- a/clang/lib/Basic/Targets/RISCV.cpp
+++ b/clang/lib/Basic/Targets/RISCV.cpp
@@ -109,13 +109,18 @@
   if (ABIName == "ilp32e")
     Builder.defineMacro("__riscv_abi_rve");
 
+  Builder.defineMacro("__riscv_arch_test");
+  Builder.defineMacro("__riscv_i", "2000000");
+
   if (HasM) {
+    Builder.defineMacro("__riscv_m", "2000000");
     Builder.defineMacro("__riscv_mul");
     Builder.defineMacro("__riscv_div");
     Builder.defineMacro("__riscv_muldiv");
   }
 
   if (HasA) {
+    Builder.defineMacro("__riscv_a", "2000000");
     Builder.defineMacro("__riscv_atomic");
     Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
     Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
@@ -125,22 +130,68 @@
   }
 
   if (HasF || HasD) {
+    Builder.defineMacro("__riscv_f", "2000000");
     Builder.defineMacro("__riscv_flen", HasD ? "64" : "32");
     Builder.defineMacro("__riscv_fdiv");
     Builder.defineMacro("__riscv_fsqrt");
   }
 
-  if (HasC)
+  if (HasD)
+    Builder.defineMacro("__riscv_d", "2000000");
+
+  if (HasC) {
+    Builder.defineMacro("__riscv_c", "2000000");
     Builder.defineMacro("__riscv_compressed");
+  }
 
-  if (HasB)
+  if (HasB) {
+    Builder.defineMacro("__riscv_b", "92000");
     Builder.defineMacro("__riscv_bitmanip");
+  }
 
-  if (HasV)
+  if (HasV) {
+    Builder.defineMacro("__riscv_v", "9000");
     Builder.defineMacro("__riscv_vector");
+  }
+
+  if (HasZbb)
+    Builder.defineMacro("__riscv_zbb", "92000");
+
+  if (HasZbc)
+    Builder.defineMacro("__riscv_zbc", "92000");
+
+  if (HasZbe)
+    Builder.defineMacro("__riscv_zbe", "92000");
+
+  if (HasZbf)
+    Builder.defineMacro("__riscv_zbf", "92000");
+
+  if (HasZbm)
+    Builder.defineMacro("__riscv_zbm", "92000");
+
+  if (HasZbp)
+    Builder.defineMacro("__riscv_zbp", "92000");
+
+  if (HasZbproposedc)
+    Builder.defineMacro("__riscv_zbproposedc", "92000");
+
+  if (HasZbr)
+    Builder.defineMacro("__riscv_zbr", "92000");
+
+  if (HasZbs)
+    Builder.defineMacro("__riscv_zbs", "92000");
+
+  if (HasZbt)
+    Builder.defineMacro("__riscv_zbt", "92000");
 
   if (HasZfh)
-    Builder.defineMacro("__riscv_zfh");
+    Builder.defineMacro("__riscv_zfh", "1000");
+
+  if (HasZvamo)
+    Builder.defineMacro("__riscv_zvamo", "9000");
+
+  if (HasZvlsseg)
+    Builder.defineMacro("__riscv_zvlsseg", "9000");
 }
 
 /// Return true if has this feature, need to sync with handleTargetFeatures.
@@ -157,7 +208,19 @@
       .Case("c", HasC)
       .Case("experimental-b", HasB)
       .Case("experimental-v", HasV)
+      .Case("experimental-zbb", HasZbb)
+      .Case("experimental-zbc", HasZbc)
+      .Case("experimental-zbe", HasZbe)
+      .Case("experimental-zbf", HasZbf)
+      .Case("experimental-zbm", HasZbm)
+      .Case("experimental-zbp", HasZbp)
+      .Case("experimental-zbproposedc", HasZbproposedc)
+      .Case("experimental-zbr", HasZbr)
+      .Case("experimental-zbs", HasZbs)
+      .Case("experimental-zbt", HasZbt)
       .Case("experimental-zfh", HasZfh)
+      .Case("experimental-zvamo", HasZvamo)
+      .Case("experimental-zvlsseg", HasZvlsseg)
       .Default(false);
 }
 
@@ -179,8 +242,32 @@
       HasB = true;
     else if (Feature == "+experimental-v")
       HasV = true;
+    else if (Feature == "+experimental-zbb")
+      HasZbb = true;
+    else if (Feature == "+experimental-zbc")
+      HasZbc = true;
+    else if (Feature == "+experimental-zbe")
+      HasZbe = true;
+    else if (Feature == "+experimental-zbf")
+      HasZbf = true;
+    else if (Feature == "+experimental-zbm")
+      HasZbm = true;
+    else if (Feature == "+experimental-zbp")
+      HasZbp = true;
+    else if (Feature == "+experimental-zbproposedc")
+      HasZbproposedc = true;
+    else if (Feature == "+experimental-zbr")
+      HasZbr = true;
+    else if (Feature == "+experimental-zbs")
+      HasZbs = true;
+    else if (Feature == "+experimental-zbt")
+      HasZbt = true;
     else if (Feature == "+experimental-zfh")
       HasZfh = true;
+    else if (Feature == "+experimental-zvamo")
+      HasZvamo = true;
+    else if (Feature == "+experimental-zvlsseg")
+      HasZvlsseg = true;
   }
 
   return true;
diff --git a/clang/lib/Driver/ToolChains/Arch/RISCV.cpp b/clang/lib/Driver/ToolChains/Arch/RISCV.cpp
--- a/clang/lib/Driver/ToolChains/Arch/RISCV.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/RISCV.cpp
@@ -412,9 +412,21 @@
       break;
     case 'b':
       Features.push_back("+experimental-b");
+      Features.push_back("+experimental-zbb");
+      Features.push_back("+experimental-zbb");
+      Features.push_back("+experimental-zbc");
+      Features.push_back("+experimental-zbe");
+      Features.push_back("+experimental-zbf");
+      Features.push_back("+experimental-zbm");
+      Features.push_back("+experimental-zbp");
+      Features.push_back("+experimental-zbr");
+      Features.push_back("+experimental-zbs");
+      Features.push_back("+experimental-zbt");
       break;
     case 'v':
       Features.push_back("+experimental-v");
+      Features.push_back("+experimental-zvamo");
+      Features.push_back("+experimental-zvlsseg");
       break;
     }
 
diff --git a/clang/test/Preprocessor/riscv-target-features.c b/clang/test/Preprocessor/riscv-target-features.c
--- a/clang/test/Preprocessor/riscv-target-features.c
+++ b/clang/test/Preprocessor/riscv-target-features.c
@@ -12,12 +12,26 @@
 // CHECK-NOT: __riscv_fdiv
 // CHECK-NOT: __riscv_fsqrt
 // CHECK-NOT: __riscv_atomic
+// CHECK-NOT: __riscv_zbb
+// CHECK-NOT: __riscv_zbc
+// CHECK-NOT: __riscv_zbe
+// CHECK-NOT: __riscv_zbf
+// CHECK-NOT: __riscv_zbm
+// CHECK-NOT: __riscv_zbp
+// CHECK-NOT: __riscv_zbproposedc
+// CHECK-NOT: __riscv_zbr
+// CHECK-NOT: __riscv_zbs
+// CHECK-NOT: __riscv_zbt
+// CHECK-NOT: __riscv_zfh
+// CHECK-NOT: __riscv_zvamo
+// CHECK-NOT: __riscv_zvlsseg
 
 // RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32im -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-M-EXT %s
 // RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64im -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-M-EXT %s
 // CHECK-M-EXT: __riscv_div 1
+// CHECK-M-EXT: __riscv_m 2000000
 // CHECK-M-EXT: __riscv_mul 1
 // CHECK-M-EXT: __riscv_muldiv 1
 
@@ -25,12 +39,14 @@
 // RUN: -o - | FileCheck --check-prefix=CHECK-A-EXT %s
 // RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64ia -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-A-EXT %s
+// CHECK-A-EXT: __riscv_a 2000000
 // CHECK-A-EXT: __riscv_atomic 1
 
 // RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32if -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-F-EXT %s
 // RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64if -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-F-EXT %s
+// CHECK-F-EXT: __riscv_f 2000000
 // CHECK-F-EXT: __riscv_fdiv 1
 // CHECK-F-EXT: __riscv_flen 32
 // CHECK-F-EXT: __riscv_fsqrt 1
@@ -39,6 +55,8 @@
 // RUN: -o - | FileCheck --check-prefix=CHECK-D-EXT %s
 // RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64ifd -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-D-EXT %s
+// CHECK-D-EXT: __riscv_d 2000000
+// CHECK-D-EXT: __riscv_f 2000000
 // CHECK-D-EXT: __riscv_fdiv 1
 // CHECK-D-EXT: __riscv_flen 64
 // CHECK-D-EXT: __riscv_fsqrt 1
@@ -47,13 +65,24 @@
 // RUN: -o - | FileCheck --check-prefix=CHECK-C-EXT %s
 // RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64ic -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-C-EXT %s
+// CHECK-C-EXT: __riscv_c 2000000
 // CHECK-C-EXT: __riscv_compressed 1
 
 // RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32ib0p92 -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-B-EXT %s
 // RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64ib0p92 -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-B-EXT %s
+// CHECK-B-EXT: __riscv_b 92000
 // CHECK-B-EXT: __riscv_bitmanip 1
+// CHECK-B-EXT: __riscv_zbb 92000
+// CHECK-B-EXT: __riscv_zbc 92000
+// CHECK-B-EXT: __riscv_zbe 92000
+// CHECK-B-EXT: __riscv_zbf 92000
+// CHECK-B-EXT: __riscv_zbm 92000
+// CHECK-B-EXT: __riscv_zbp 92000
+// CHECK-B-EXT: __riscv_zbr 92000
+// CHECK-B-EXT: __riscv_zbs 92000
+// CHECK-B-EXT: __riscv_zbt 92000
 
 // RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32ifd -mabi=ilp32 -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-SOFT %s
@@ -85,10 +114,85 @@
 // RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions \
 // RUN:   -march=rv64iv0p9 -x c -E -dM %s \
 // RUN:   -o - | FileCheck --check-prefix=CHECK-V-EXT %s
+// CHECK-V-EXT: __riscv_v 9000
 // CHECK-V-EXT: __riscv_vector 1
-//
+// CHECK-V-EXT: __riscv_zvamo 9000
+// CHECK-V-EXT: __riscv_zvlsseg 9000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbb0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbb0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
+// CHECK-ZBB-EXT: __riscv_zbb 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbc0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbc0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
+// CHECK-ZBC-EXT: __riscv_zbc 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbe0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBE-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbe0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBE-EXT %s
+// CHECK-ZBE-EXT: __riscv_zbe 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbf0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBF-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbf0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBF-EXT %s
+// CHECK-ZBF-EXT: __riscv_zbf 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbm0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBM-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbm0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBM-EXT %s
+// CHECK-ZBM-EXT: __riscv_zbm 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbp0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBP-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbp0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBP-EXT %s
+// CHECK-ZBP-EXT: __riscv_zbp 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbproposedc0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBPROPOSEDC-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbproposedc0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBPROPOSEDC-EXT %s
+// CHECK-ZBPROPOSEDC-EXT: __riscv_zbproposedc 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbr0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBR-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbr0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBR-EXT %s
+// CHECK-ZBR-EXT: __riscv_zbr 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbs0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbs0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
+// CHECK-ZBS-EXT: __riscv_zbs 92000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izbt0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBT-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izbt0p92 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZBT-EXT %s
+// CHECK-ZBT-EXT: __riscv_zbt 92000
+
 // RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izfh0p1 -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-ZFH-EXT %s
 // RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv64izfh0p1 -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-ZFH-EXT %s
-// CHECK-ZFH-EXT: __riscv_zfh 1
+// CHECK-ZFH-EXT: __riscv_zfh 1000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izvamo0p9 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZVAMO-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv32izvamo0p9 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZVAMO-EXT %s
+// CHECK-ZVAMO-EXT: __riscv_zvamo 9000
+
+// RUN: %clang -target riscv32-unknown-linux-gnu -menable-experimental-extensions -march=rv32izvlsseg0p9 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZVLSSEG-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -menable-experimental-extensions -march=rv32izvlsseg0p9 -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZVLSSEG-EXT %s
+// CHECK-ZVLSSEG-EXT: __riscv_zvlsseg 9000