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Config branch hinting #378

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Merged
martindevans merged 2 commits into from
Sep 18, 2026
Merged

Config branch hinting #378

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b7a68a8
Added `WithBranchHinting` config
martindevans Sep 17, 2026
108058d
Merge branch 'main' into config_branch_hinting
martindevans Sep 18, 2026
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14 changes: 14 additions & 0 deletions src/Config.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,17 @@ public Config WithWideArithmetic(bool enable)
return this;
}

/// <summary>
/// Sets whether the WebAssembly branch-hinting proposal is enabled.
/// </summary>
/// <param name="enable">True to enable WebAssembly branch hinting support or false to disable.</param>
/// <returns>Returns the current config.</returns>
public Config WithBranchHinting(bool enable)
{
Native.wasmtime_config_wasm_branch_hinting_set(handle, enable);
return this;
}

/// <summary>
/// Configures whether the WebAssembly exceptions proposal is enabled.
/// </summary>
Expand Down Expand Up @@ -595,6 +606,9 @@ private static class Native
[DllImport(Engine.LibraryName)]
public static extern void wasmtime_config_wasm_wide_arithmetic_set(Handle config, [MarshalAs(UnmanagedType.I1)] bool enable);

[DllImport(Engine.LibraryName)]
public static extern void wasmtime_config_wasm_branch_hinting_set(Handle config, [MarshalAs(UnmanagedType.I1)] bool enable);

[DllImport(Engine.LibraryName)]
public static extern void wasmtime_config_wasm_stack_switching_set(Handle config, [MarshalAs(UnmanagedType.I1)] bool enable);

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10 changes: 10 additions & 0 deletions tests/ConfigTests.cs
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Expand Up @@ -104,6 +104,16 @@ public void ItSetsWideArithmetic()
using var engine = new Engine(config);
}

[Fact]
public void ItSetsBranchHinting()
{
var config = new Config();

config.WithBranchHinting(true);

using var engine = new Engine(config);
}

[Fact]
public void ItSetsThreads()
{
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