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Enable cached interface dispatch by default on non-JIT platforms #123776

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Enable cached interface dispatch by default on non-JIT platforms #123776

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Copilot Jan 29, 2026
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Enable cached interface dispatch support by default on non-jit platforms
Copilot Jan 29, 2026
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2 changes: 1 addition & 1 deletion src/coreclr/tools/aot/crossgen2/Crossgen2RootCommand.cs
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Expand Up @@ -42,7 +42,7 @@ internal class Crossgen2RootCommand : RootCommand
new("--optimize-space", "--Os") { Description = SR.OptimizeSpaceOption };
public Option<bool> OptimizeTime { get; } =
new("--optimize-time", "--Ot") { Description = SR.OptimizeSpeedOption };
public Option<bool> EnableCachedInterfaceDispatchSupport { get; } =
public Option<bool?> EnableCachedInterfaceDispatchSupport { get; } =
new("--enable-cached-interface-dispatch-support", "--CID") { Description = SR.EnableCachedInterfaceDispatchSupport };
public Option<TypeValidationRule> TypeValidation { get; } =
new("--type-validation") { DefaultValueFactory = _ => TypeValidationRule.Automatic, Description = SR.TypeValidation, HelpName = "arg" };
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2 changes: 1 addition & 1 deletion src/coreclr/tools/aot/crossgen2/Program.cs
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Expand Up @@ -623,7 +623,7 @@ private void RunSingleCompilation(Dictionary<string, string> inFilePaths, Instru
nodeFactoryFlags.TypeValidation = Get(_command.TypeValidation);
nodeFactoryFlags.DeterminismStress = Get(_command.DeterminismStress);
nodeFactoryFlags.PrintReproArgs = Get(_command.PrintReproInstructions);
nodeFactoryFlags.EnableCachedInterfaceDispatchSupport = Get(_command.EnableCachedInterfaceDispatchSupport);
nodeFactoryFlags.EnableCachedInterfaceDispatchSupport = Get(_command.EnableCachedInterfaceDispatchSupport) ?? !typeSystemContext.TargetAllowsRuntimeCodeGeneration;

builder
.UseMapFile(Get(_command.Map))
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2 changes: 1 addition & 1 deletion src/coreclr/tools/aot/crossgen2/Properties/Resources.resx
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Expand Up @@ -424,7 +424,7 @@
<value>Number of nested occurrences of a potentially cyclic generic type to cut off</value>
</data>
<data name="EnableCachedInterfaceDispatchSupport" xml:space="preserve">
<value>Enable support for cached interface dispatch</value>
<value>Enable support for cached interface dispatch. Default is true on platforms which do not support runtime code generation</value>
</data>
<data name="OutputFormat" xml:space="preserve">
<value>Target output format for the ReadyToRun image</value>
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