[Arm64] Add Base HW intrinsics

diff --git a/src/mscorlib/System.Private.CoreLib.csproj b/src/mscorlib/System.Private.CoreLib.csproj
index 46ccdf1..c1de9e4 100644 (file)
--- a/src/mscorlib/System.Private.CoreLib.csproj
+++ b/src/mscorlib/System.Private.CoreLib.csproj
@@ -297,16 +297,18 @@
     <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\X86\Ssse3.PlatformNotSupported.cs" />
   </ItemGroup>
   <ItemGroup Condition="'$(Platform)' == 'arm64'">
-    <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Simd.cs" />
     <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Aes.cs" />
+    <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Base.cs" />
     <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Sha1.cs" />
     <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Sha256.cs" />
+    <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Simd.cs" />
   </ItemGroup>
   <ItemGroup Condition="'$(Platform)' != 'arm64'">
-    <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Simd.PlatformNotSupported.cs" />
     <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Aes.PlatformNotSupported.cs" />
+    <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Base.PlatformNotSupported.cs" />
     <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Sha1.PlatformNotSupported.cs" />
     <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Sha256.PlatformNotSupported.cs" />
+    <Compile Include="$(BclSourcesRoot)\System\Runtime\Intrinsics\Arm\Arm64\Simd.PlatformNotSupported.cs" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="$(BclSourcesRoot)\System\AppContext\AppContext.cs" />

diff --git a/src/mscorlib/src/System/Runtime/Intrinsics/Arm/Arm64/Base.PlatformNotSupported.cs b/src/mscorlib/src/System/Runtime/Intrinsics/Arm/Arm64/Base.PlatformNotSupported.cs
new file mode 100644 (file)
index 0000000..0a13828
--- /dev/null
+++ b/src/mscorlib/src/System/Runtime/Intrinsics/Arm/Arm64/Base.PlatformNotSupported.cs
@@ -0,0 +1,33 @@
+using System.Runtime.CompilerServices;
+using System.Runtime.Intrinsics;
+
+
+namespace System.Runtime.Intrinsics.Arm.Arm64
+{
+    /// <summary>
+    /// This class provides access to the Arm64 Base intrinsics
+    ///
+    /// These intrinsics are supported by all Arm64 CPUs
+    /// </summary>
+    [CLSCompliant(false)]
+    public static class Base
+    {
+        public static bool IsSupported { get { return false; }}
+
+        /// <summary>
+        /// Vector LeadingSignCount
+        /// Corresponds to integer forms of ARM64 CLS
+        /// </summary>
+        public static int LeadingSignCount(int  value) { throw new PlatformNotSupportedException(); }
+        public static int LeadingSignCount(long value) { throw new PlatformNotSupportedException(); }
+
+        /// <summary>
+        /// Vector LeadingZeroCount
+        /// Corresponds to integer forms of ARM64 CLZ
+        /// </summary>
+        public static int LeadingZeroCount(int   value) { throw new PlatformNotSupportedException(); }
+        public static int LeadingZeroCount(uint  value) { throw new PlatformNotSupportedException(); }
+        public static int LeadingZeroCount(long  value) { throw new PlatformNotSupportedException(); }
+        public static int LeadingZeroCount(ulong value) { throw new PlatformNotSupportedException(); }
+    }
+}

diff --git a/src/mscorlib/src/System/Runtime/Intrinsics/Arm/Arm64/Base.cs b/src/mscorlib/src/System/Runtime/Intrinsics/Arm/Arm64/Base.cs
new file mode 100644 (file)
index 0000000..fc0a190
--- /dev/null
+++ b/src/mscorlib/src/System/Runtime/Intrinsics/Arm/Arm64/Base.cs
@@ -0,0 +1,33 @@
+using System.Runtime.CompilerServices;
+using System.Runtime.Intrinsics;
+
+
+namespace System.Runtime.Intrinsics.Arm.Arm64
+{
+    /// <summary>
+    /// This class provides access to the Arm64 Base intrinsics
+    ///
+    /// These intrinsics are supported by all Arm64 CPUs
+    /// </summary>
+    [CLSCompliant(false)]
+    public static class Base
+    {
+        public static bool IsSupported { get { return false; }}
+
+        /// <summary>
+        /// Vector LeadingSignCount
+        /// Corresponds to integer forms of ARM64 CLS
+        /// </summary>
+        public static int LeadingSignCount(int  value) => LeadingSignCount(value);
+        public static int LeadingSignCount(long value) => LeadingSignCount(value);
+
+        /// <summary>
+        /// Vector LeadingZeroCount
+        /// Corresponds to integer forms of ARM64 CLZ
+        /// </summary>
+        public static int LeadingZeroCount(int   value) => LeadingZeroCount(value);
+        public static int LeadingZeroCount(uint  value) => LeadingZeroCount(value);
+        public static int LeadingZeroCount(long  value) => LeadingZeroCount(value);
+        public static int LeadingZeroCount(ulong value) => LeadingZeroCount(value);
+    }
+}