diff --git a/src/System.Private.CoreLib/shared/System.Private.CoreLib.Shared.projitems b/src/System.Private.CoreLib/shared/System.Private.CoreLib.Shared.projitems
index f1fb38465563..a62c3c89f883 100644
--- a/src/System.Private.CoreLib/shared/System.Private.CoreLib.Shared.projitems
+++ b/src/System.Private.CoreLib/shared/System.Private.CoreLib.Shared.projitems
@@ -1346,6 +1346,7 @@
+
@@ -1353,6 +1354,7 @@
+
diff --git a/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Crc32.PlatformNotSupported.cs b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Crc32.PlatformNotSupported.cs
new file mode 100644
index 000000000000..36aa42e81605
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Crc32.PlatformNotSupported.cs
@@ -0,0 +1,82 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.CompilerServices;
+
+namespace System.Runtime.Intrinsics.Arm
+{
+ ///
+ /// This class provides access to the ARM Crc32 hardware instructions via intrinsics
+ ///
+ [Intrinsic]
+ [CLSCompliant(false)]
+ public abstract class Crc32 : ArmBase
+ {
+ internal Crc32() { }
+
+ public static new bool IsSupported { [Intrinsic] get { return false; } }
+
+ [Intrinsic]
+ public new abstract class Arm64 : ArmBase.Arm64
+ {
+ internal Arm64() { }
+
+ public static new bool IsSupported { [Intrinsic] get { return false; } }
+
+ ///
+ /// uint32_t __crc32d (uint32_t a, uint64_t b)
+ /// A64: CRC32X Wd, Wn, Xm
+ ///
+ public static uint ComputeCrc32(uint crc, ulong data) { throw new PlatformNotSupportedException(); }
+
+ ///
+ /// uint32_t __crc32cd (uint32_t a, uint64_t b)
+ /// A64: CRC32CX Wd, Wn, Xm
+ ///
+ public static uint ComputeCrc32C(uint crc, ulong data) { throw new PlatformNotSupportedException(); }
+ }
+
+ ///
+ /// uint32_t __crc32b (uint32_t a, uint8_t b)
+ /// A32: CRC32B Rd, Rn, Rm
+ /// A64: CRC32B Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32(uint crc, byte data) { throw new PlatformNotSupportedException(); }
+
+ ///
+ /// uint32_t __crc32h (uint32_t a, uint16_t b)
+ /// A32: CRC32H Rd, Rn, Rm
+ /// A64: CRC32H Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32(uint crc, ushort data) { throw new PlatformNotSupportedException(); }
+
+ ///
+ /// uint32_t __crc32w (uint32_t a, uint32_t b)
+ /// A32: CRC32W Rd, Rn, Rm
+ /// A64: CRC32W Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32(uint crc, uint data) { throw new PlatformNotSupportedException(); }
+
+ ///
+ /// uint32_t __crc32cb (uint32_t a, uint8_t b)
+ /// A32: CRC32CB Rd, Rn, Rm
+ /// A64: CRC32CB Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32C(uint crc, byte data) { throw new PlatformNotSupportedException(); }
+
+ ///
+ /// uint32_t __crc32ch (uint32_t a, uint16_t b)
+ /// A32: CRC32CH Rd, Rn, Rm
+ /// A64: CRC32CH Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32C(uint crc, ushort data) { throw new PlatformNotSupportedException(); }
+
+ ///
+ /// uint32_t __crc32cw (uint32_t a, uint32_t b)
+ /// A32: CRC32CW Rd, Rn, Rm
+ /// A64: CRC32CW Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32C(uint crc, uint data) { throw new PlatformNotSupportedException(); }
+ }
+}
diff --git a/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Crc32.cs b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Crc32.cs
new file mode 100644
index 000000000000..8d5684c08cf3
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Crc32.cs
@@ -0,0 +1,82 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.CompilerServices;
+
+namespace System.Runtime.Intrinsics.Arm
+{
+ ///
+ /// This class provides access to the ARM Crc32 hardware instructions via intrinsics
+ ///
+ [Intrinsic]
+ [CLSCompliant(false)]
+ public abstract class Crc32 : ArmBase
+ {
+ internal Crc32() { }
+
+ public static new bool IsSupported { get => IsSupported; }
+
+ [Intrinsic]
+ public new abstract class Arm64 : ArmBase.Arm64
+ {
+ internal Arm64() { }
+
+ public static new bool IsSupported { get => IsSupported; }
+
+ ///
+ /// uint32_t __crc32d (uint32_t a, uint64_t b)
+ /// A64: CRC32X Wd, Wn, Xm
+ ///
+ public static uint ComputeCrc32(uint crc, ulong data) => ComputeCrc32(crc, data);
+
+ ///
+ /// uint32_t __crc32cd (uint32_t a, uint64_t b)
+ /// A64: CRC32CX Wd, Wn, Xm
+ ///
+ public static uint ComputeCrc32C(uint crc, ulong data) => ComputeCrc32C(crc, data);
+ }
+
+ ///
+ /// uint32_t __crc32b (uint32_t a, uint8_t b)
+ /// A32: CRC32B Rd, Rn, Rm
+ /// A64: CRC32B Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32(uint crc, byte data) => ComputeCrc32(crc, data);
+
+ ///
+ /// uint32_t __crc32h (uint32_t a, uint16_t b)
+ /// A32: CRC32H Rd, Rn, Rm
+ /// A64: CRC32H Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32(uint crc, ushort data) => ComputeCrc32(crc, data);
+
+ ///
+ /// uint32_t __crc32w (uint32_t a, uint32_t b)
+ /// A32: CRC32W Rd, Rn, Rm
+ /// A64: CRC32W Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32(uint crc, uint data) => ComputeCrc32(crc, data);
+
+ ///
+ /// uint32_t __crc32cb (uint32_t a, uint8_t b)
+ /// A32: CRC32CB Rd, Rn, Rm
+ /// A64: CRC32CB Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32C(uint crc, byte data) => ComputeCrc32C(crc, data);
+
+ ///
+ /// uint32_t __crc32ch (uint32_t a, uint16_t b)
+ /// A32: CRC32CH Rd, Rn, Rm
+ /// A64: CRC32CH Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32C(uint crc, ushort data) => ComputeCrc32C(crc, data);
+
+ ///
+ /// uint32_t __crc32cw (uint32_t a, uint32_t b)
+ /// A32: CRC32CW Rd, Rn, Rm
+ /// A64: CRC32CW Wd, Wn, Wm
+ ///
+ public static uint ComputeCrc32C(uint crc, uint data) => ComputeCrc32C(crc, data);
+ }
+}