diff --git a/clang/test/Driver/riscv-arch.c b/clang/test/Driver/riscv-arch.c
--- a/clang/test/Driver/riscv-arch.c
+++ b/clang/test/Driver/riscv-arch.c
@@ -430,9 +430,9 @@
 // RUN: %clang --target=riscv32-unknown-elf -march=rv32izca0p1 -menable-experimental-extensions -### %s \
 // RUN: -fsyntax-only 2>&1 | FileCheck -check-prefix=RV32-EXPERIMENTAL-BADVERS %s
 // RV32-EXPERIMENTAL-BADVERS: error: invalid arch name 'rv32izca0p1'
-// RV32-EXPERIMENTAL-BADVERS: unsupported version number 0.1 for experimental extension 'zca' (this compiler supports 0.70)
+// RV32-EXPERIMENTAL-BADVERS: unsupported version number 0.1 for experimental extension 'zca' (this compiler supports 1.0)
 
-// RUN: %clang --target=riscv32-unknown-elf -march=rv32izca0p70 -menable-experimental-extensions -### %s \
+// RUN: %clang --target=riscv32-unknown-elf -march=rv32izca1p0 -menable-experimental-extensions -### %s \
 // RUN: -fsyntax-only 2>&1 | FileCheck -check-prefix=RV32-EXPERIMENTAL-GOODVERS %s
 // RV32-EXPERIMENTAL-GOODVERS: "-target-feature" "+experimental-zca"
 
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
@@ -466,25 +466,25 @@
 // RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADVDOT-EXT %s
 // CHECK-XTHEADVDOT-EXT: __riscv_xtheadvdot 1000000{{$}}
 
-// RUN: %clang -target riscv32 -march=rv32izca0p70 -menable-experimental-extensions \
+// RUN: %clang -target riscv32 -march=rv32izca1p0 -menable-experimental-extensions \
 // RUN: -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-ZCA-EXT %s
-// RUN: %clang -target riscv64 -march=rv64izca0p70 -menable-experimental-extensions \
+// RUN: %clang -target riscv64 -march=rv64izca1p0 -menable-experimental-extensions \
 // RUN: -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-ZCA-EXT %s
-// CHECK-ZCA-EXT: __riscv_zca 70000{{$}}
+// CHECK-ZCA-EXT: __riscv_zca 1000000{{$}}
 
-// RUN: %clang -target riscv32 -march=rv32izcb0p70 -menable-experimental-extensions \
+// RUN: %clang -target riscv32 -march=rv32izcb1p0 -menable-experimental-extensions \
 // RUN: -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-ZCB-EXT %s
-// RUN: %clang -target riscv64 -march=rv64izcb0p70 -menable-experimental-extensions \
+// RUN: %clang -target riscv64 -march=rv64izcb1p0 -menable-experimental-extensions \
 // RUN: -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-ZCB-EXT %s
-// CHECK-ZCB-EXT: __riscv_zca 70000{{$}}
-// CHECK-ZCB-EXT: __riscv_zcb 70000{{$}}
+// CHECK-ZCB-EXT: __riscv_zca 1000000{{$}}
+// CHECK-ZCB-EXT: __riscv_zcb 1000000{{$}}
 
-// RUN: %clang -target riscv32 -march=rv32izcd0p70 -menable-experimental-extensions \
+// RUN: %clang -target riscv32 -march=rv32izcd1p0 -menable-experimental-extensions \
 // RUN: -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-ZCD-EXT %s
-// RUN: %clang -target riscv64 -march=rv64izcd0p70 -menable-experimental-extensions \
+// RUN: %clang -target riscv64 -march=rv64izcd1p0 -menable-experimental-extensions \
 // RUN: -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-ZCD-EXT %s
-// CHECK-ZCD-EXT: __riscv_zcd 70000{{$}}
+// CHECK-ZCD-EXT: __riscv_zcd 1000000{{$}}
 
-// RUN: %clang -target riscv32 -march=rv32izcf0p70 -menable-experimental-extensions \
+// RUN: %clang -target riscv32 -march=rv32izcf1p0 -menable-experimental-extensions \
 // RUN: -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-ZCF-EXT %s
-// CHECK-ZCF-EXT: __riscv_zcf 70000{{$}}
+// CHECK-ZCF-EXT: __riscv_zcf 1000000{{$}}
diff --git a/llvm/docs/RISCVUsage.rst b/llvm/docs/RISCVUsage.rst
--- a/llvm/docs/RISCVUsage.rst
+++ b/llvm/docs/RISCVUsage.rst
@@ -136,13 +136,13 @@
   LLVM implements the `1.0-rc3 draft specification <https://github.com/riscv/riscv-zawrs/releases/download/V1.0-rc3/Zawrs.pdf>`_.  Note that have been backwards incompatible changes made between release candidates for the 1.0 draft.
 
 ``experimental-zca``
-  LLVM implements the `0.70 draft specification <https://github.com/riscv/riscv-code-size-reduction/releases/tag/V0.70.1-TOOLCHAIN-DEV>`_.
+  LLVM implements the `1.0.1 draft specification <https://github.com/riscv/riscv-code-size-reduction/releases/tag/v1.0.1>`_.
 
 ``experimental-zcd``
-  LLVM implements the `0.70 draft specification <https://github.com/riscv/riscv-code-size-reduction/releases/tag/V0.70.1-TOOLCHAIN-DEV>`_.
+  LLVM implements the `1.0.1 draft specification <https://github.com/riscv/riscv-code-size-reduction/releases/tag/v1.0.1>`_.
 
 ``experimental-zcf``
-  LLVM implements the `0.70 draft specification <https://github.com/riscv/riscv-code-size-reduction/releases/tag/V0.70.1-TOOLCHAIN-DEV>`_.
+  LLVM implements the `1.0.1 draft specification <https://github.com/riscv/riscv-code-size-reduction/releases/tag/v1.0.1>`_.
 
 ``experimental-zcb``
   LLVM implements the `0.70 draft specification <https://github.com/riscv/riscv-code-size-reduction/releases/tag/V0.70.1-TOOLCHAIN-DEV>`_.
diff --git a/llvm/lib/Support/RISCVISAInfo.cpp b/llvm/lib/Support/RISCVISAInfo.cpp
--- a/llvm/lib/Support/RISCVISAInfo.cpp
+++ b/llvm/lib/Support/RISCVISAInfo.cpp
@@ -114,10 +114,10 @@
 static const RISCVSupportedExtension SupportedExperimentalExtensions[] = {
     {"zihintntl", RISCVExtensionVersion{0, 2}},
 
-    {"zca", RISCVExtensionVersion{0, 70}},
-    {"zcb", RISCVExtensionVersion{0, 70}},
-    {"zcd", RISCVExtensionVersion{0, 70}},
-    {"zcf", RISCVExtensionVersion{0, 70}},
+    {"zca", RISCVExtensionVersion{1, 0}},
+    {"zcb", RISCVExtensionVersion{1, 0}},
+    {"zcd", RISCVExtensionVersion{1, 0}},
+    {"zcf", RISCVExtensionVersion{1, 0}},
     {"zvfh", RISCVExtensionVersion{0, 1}},
     {"zawrs", RISCVExtensionVersion{1, 0}},
     {"ztso", RISCVExtensionVersion{0, 1}},
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoZc.td b/llvm/lib/Target/RISCV/RISCVInstrInfoZc.td
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoZc.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoZc.td
@@ -7,7 +7,7 @@
 //===----------------------------------------------------------------------===//
 ///
 /// This file describes the RISC-V instructions from the 'Zc*' compressed
-/// instruction extensions, version 0.70.4.
+/// instruction extensions, version 1.0.1.
 /// This version is still experimental as the 'Zc*' extensions haven't been
 /// ratified yet.
 ///
diff --git a/llvm/test/CodeGen/RISCV/attributes.ll b/llvm/test/CodeGen/RISCV/attributes.ll
--- a/llvm/test/CodeGen/RISCV/attributes.ll
+++ b/llvm/test/CodeGen/RISCV/attributes.ll
@@ -42,6 +42,8 @@
 ; RUN: llc -mtriple=riscv32 -mattr=+svinval %s -o - | FileCheck --check-prefix=RV32SVINVAL %s
 ; RUN: llc -mtriple=riscv32 -mattr=+experimental-zca %s -o - | FileCheck --check-prefix=RV32ZCA %s
 ; RUN: llc -mtriple=riscv32 -mattr=+experimental-zcb %s -o - | FileCheck --check-prefix=RV32ZCB %s
+; RUN: llc -mtriple=riscv32 -mattr=+experimental-zcd %s -o - | FileCheck --check-prefix=RV32ZCD %s
+; RUN: llc -mtriple=riscv32 -mattr=+experimental-zcf %s -o - | FileCheck --check-prefix=RV32ZCF %s
 
 ; RUN: llc -mtriple=riscv64 -mattr=+m %s -o - | FileCheck --check-prefix=RV64M %s
 ; RUN: llc -mtriple=riscv64 -mattr=+zmmul %s -o - | FileCheck --check-prefix=RV64ZMMUL %s
@@ -89,6 +91,7 @@
 ; RUN: llc -mtriple=riscv64 -mattr=+experimental-ztso %s -o - | FileCheck --check-prefix=RV64ZTSO %s
 ; RUN: llc -mtriple=riscv64 -mattr=+experimental-zca %s -o - | FileCheck --check-prefix=RV64ZCA %s
 ; RUN: llc -mtriple=riscv64 -mattr=+experimental-zcb %s -o - | FileCheck --check-prefix=RV64ZCB %s
+; RUN: llc -mtriple=riscv64 -mattr=+experimental-zcd %s -o - | FileCheck --check-prefix=RV64ZCD %s
 
 ; RV32M: .attribute 5, "rv32i2p0_m2p0"
 ; RV32ZMMUL: .attribute 5, "rv32i2p0_zmmul1p0"
@@ -130,8 +133,10 @@
 ; RV32SVNAPOT: .attribute 5, "rv32i2p0_svnapot1p0"
 ; RV32SVPBMT: .attribute 5, "rv32i2p0_svpbmt1p0"
 ; RV32SVINVAL: .attribute 5, "rv32i2p0_svinval1p0"
-; RV32ZCA: .attribute 5, "rv32i2p0_zca0p70"
-; RV32ZCB: .attribute 5, "rv32i2p0_zca0p70_zcb0p70"
+; RV32ZCA: .attribute 5, "rv32i2p0_zca1p0"
+; RV32ZCB: .attribute 5, "rv32i2p0_zca1p0_zcb1p0"
+; RV32ZCD: .attribute 5, "rv32i2p0_zcd1p0"
+; RV32ZCF: .attribute 5, "rv32i2p0_zcf1p0"
 
 ; RV64M: .attribute 5, "rv64i2p0_m2p0"
 ; RV64ZMMUL: .attribute 5, "rv64i2p0_zmmul1p0"
@@ -177,8 +182,9 @@
 ; RV64XVENTANACONDOPS: .attribute 5, "rv64i2p0_xventanacondops1p0"
 ; RV64XTHEADVDOT: .attribute 5, "rv64i2p0_f2p0_d2p0_v1p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_xtheadvdot1p0"
 ; RV64ZTSO: .attribute 5, "rv64i2p0_ztso0p1"
-; RV64ZCA: .attribute 5, "rv64i2p0_zca0p70"
-; RV64ZCB: .attribute 5, "rv64i2p0_zca0p70_zcb0p70"
+; RV64ZCA: .attribute 5, "rv64i2p0_zca1p0"
+; RV64ZCB: .attribute 5, "rv64i2p0_zca1p0_zcb1p0"
+; RV64ZCD: .attribute 5, "rv64i2p0_zcd1p0"
 
 define i32 @addi(i32 %a) {
   %1 = add i32 %a, 1
diff --git a/llvm/test/MC/RISCV/attribute-arch.s b/llvm/test/MC/RISCV/attribute-arch.s
--- a/llvm/test/MC/RISCV/attribute-arch.s
+++ b/llvm/test/MC/RISCV/attribute-arch.s
@@ -176,11 +176,17 @@
 .attribute arch, "rv32if_zkt1p0_zve32f1p0_zve32x1p0_zvl32b1p0"
 # CHECK: attribute      5, "rv32i2p0_f2p0_zkt1p0_zve32f1p0_zve32x1p0_zvl32b1p0"
 
-.attribute arch, "rv32izca0p70"
-# CHECK: attribute      5, "rv32i2p0_zca0p70"
+.attribute arch, "rv32izca1p0"
+# CHECK: attribute      5, "rv32i2p0_zca1p0"
 
-.attribute arch, "rv32izcb0p70"
-# CHECK: attribute      5, "rv32i2p0_zca0p70_zcb0p70"
+.attribute arch, "rv32izcd1p0"
+# CHECK: attribute      5, "rv32i2p0_zcd1p0"
+
+.attribute arch, "rv32izcf1p0"
+# CHECK: attribute      5, "rv32i2p0_zcf1p0"
+
+.attribute arch, "rv32izcb1p0"
+# CHECK: attribute      5, "rv32i2p0_zca1p0_zcb1p0"
 
 .attribute arch, "rv32izawrs1p0"
 # CHECK: attribute      5, "rv32i2p0_zawrs1p0"