Add support for LoongArch64.

Author: LuckyXu-HF

README.md

@@ -110,7 +110,7 @@ The measured data can be exported to different formats (md, html, csv, xml, json
 *Supported runtimes:* .NET 5+, .NET Framework 4.6.1+, .NET Core 2.0+, Mono, NativeAOT  
 *Supported languages:* C#, F#, Visual Basic  
 *Supported OS:* Windows, Linux, macOS  
-*Supported architectures:* x86, x64, ARM, ARM64 and Wasm
+*Supported architectures:* x86, x64, ARM, ARM64, Wasm and LoongArch64
 
 ## Features
 

docs/articles/guides/console-args.md

@@ -218,7 +218,7 @@ dotnet run -c Release -- --filter * --runtimes netcoreapp2.0 netcoreapp2.1 --sta
 * `--maxWidth` max parameter column width, the default is 20.
 * `--envVars` colon separated environment variables (key:value).
 * `--strategy` the RunStrategy that should be used. Throughput/ColdStart/Monitoring.
-* `--platform` the Platform that should be used. If not specified, the host process platform is used (default). AnyCpu/X86/X64/Arm/Arm64.
+* `--platform` the Platform that should be used. If not specified, the host process platform is used (default). AnyCpu/X86/X64/Arm/Arm64/LoongArch64.
 * `--runOncePerIteration` run the benchmark exactly once per iteration.
 * `--buildTimeout` build timeout in seconds.
 * `--wasmEngine` full path to a java script engine used to run the benchmarks, used by Wasm toolchain.

docs/index.md

@@ -111,7 +111,7 @@ The measured data can be exported to different formats (md, html, csv, xml, json
 *Supported runtimes:* .NET 5+, .NET Framework 4.6.1+, .NET Core 2.0+, Mono, NativeAOT  
 *Supported languages:* C#, F#, Visual Basic  
 *Supported OS:* Windows, Linux, macOS  
-*Supported architectures:* x86, x64, ARM, ARM64 and Wasm
+*Supported architectures:* x86, x64, ARM, ARM64, Wasm and LoongArch64
 
 ## Features
 

src/BenchmarkDotNet/ConsoleArguments/CommandLineOptions.cs

@@ -133,7 +133,7 @@ public class CommandLineOptions
         [Option("strategy", Required = false, HelpText = "The RunStrategy that should be used. Throughput/ColdStart/Monitoring.")]
         public RunStrategy? RunStrategy { get; set; }
 
-        [Option("platform", Required = false, HelpText = "The Platform that should be used. If not specified, the host process platform is used (default). AnyCpu/X86/X64/Arm/Arm64.")]
+        [Option("platform", Required = false, HelpText = "The Platform that should be used. If not specified, the host process platform is used (default). AnyCpu/X86/X64/Arm/Arm64/LoongArch64.")]
         public Platform? Platform { get; set; }
 
         [Option("runOncePerIteration", Required = false, Default = false, HelpText = "Run the benchmark exactly once per iteration.")]

src/BenchmarkDotNet/Environments/Platform.cs

@@ -35,6 +35,11 @@ public enum Platform
         /// <summary>
         /// S390x
         /// </summary>
-        S390x
+        S390x,
+
+        /// <summary>
+        /// LOONGARCH64
+        /// </summary>
+        LoongArch64
     }
-}
+}

src/BenchmarkDotNet/Extensions/ConfigurationExtensions.cs

@@ -22,11 +22,13 @@ public static string ToConfig(this Platform platform)
                     return "ARM64";
                 case Platform.S390x:
                     return "S390x";
+                case Platform.LoongArch64:
+                    return "LOONGARCH64";
                 default:
                     return "AnyCPU";
             }
         }
 
         public static string ToConfig(this Jit jit) => jit == Jit.LegacyJit ? "1" : "0";
     }
-}
+}

src/BenchmarkDotNet/Portability/RuntimeInformation.cs

@@ -234,6 +234,7 @@ public static Platform GetCurrentPlatform()
             // https://github.com/dotnet/runtime/blob/d81ad044fa6830f5f31f6b6e8224ebf66a3c298c/src/libraries/System.Runtime.InteropServices.RuntimeInformation/src/System/Runtime/InteropServices/RuntimeInformation/Architecture.cs#L12-L13
             const Architecture Wasm = (Architecture)4;
             const Architecture S390x = (Architecture)5;
+            const Architecture LoongArch64 = (Architecture)6;
 
             switch (ProcessArchitecture)
             {
@@ -249,6 +250,8 @@ public static Platform GetCurrentPlatform()
                     return Platform.Wasm;
                 case S390x:
                     return Platform.S390x;
+                case LoongArch64:
+                    return Platform.LoongArch64;
                 default:
                     throw new ArgumentOutOfRangeException();
             }

tests/BenchmarkDotNet.Tests/ConfigParserTests.cs

@@ -476,6 +476,7 @@ public void UserCanSpecifyEnvironmentVariables()
         [InlineData(Platform.X64)]
         [InlineData(Platform.Arm)]
         [InlineData(Platform.Arm64)]
+        [InlineData(Platform.LoongArch64)]
         public void UserCanSpecifyProcessPlatform(Platform platform)
         {
             var parsedConfig = ConfigParser.Parse(new[] { "--platform", platform.ToString() }, new OutputLogger(Output)).config;