From b7a68a8f79fda9cf8f63c6bc96e9dee160f3b50f Mon Sep 17 00:00:00 2001
From: Martin Evans <martindevans@gmail.com>
Date: Thu, 17 Sep 2026 15:47:27 +0100
Subject: [PATCH] Added `WithBranchHinting` config

---
 src/Config.cs        | 14 ++++++++++++++
 tests/ConfigTests.cs | 10 ++++++++++
 2 files changed, 24 insertions(+)

diff --git a/src/Config.cs b/src/Config.cs
index e22974d9..8e136f23 100644
--- a/src/Config.cs
+++ b/src/Config.cs
@@ -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>
@@ -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);
             
diff --git a/tests/ConfigTests.cs b/tests/ConfigTests.cs
index a779d0f1..b83d22ae 100644
--- a/tests/ConfigTests.cs
+++ b/tests/ConfigTests.cs
@@ -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()
         {