[v8][wasm] Add blink flag for Turboshaft wasm compilation

Bug: chromium:1496282 Change-Id: I39d29f4ab0be5298b41dd20c8b184eb89a6b36d5 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4976910 Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#1216538}
chromium · Oct 28, 2023 · 582a5b7 · 582a5b7
1 parent 002c408
commit 582a5b7
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diff --git a/gin/gin_features.cc b/gin/gin_features.cc
@@ -268,4 +268,8 @@ BASE_FEATURE(kWebAssemblyMultipleMemories,
              "WebAssemblyMultipleMemories",
              base::FEATURE_ENABLED_BY_DEFAULT);
 
+BASE_FEATURE(kWebAssemblyTurboshaft,
+             "WebAssemblyTurboshaft",
+             base::FEATURE_DISABLED_BY_DEFAULT);
+
 }  // namespace features
diff --git a/gin/gin_features.h b/gin/gin_features.h
@@ -71,6 +71,7 @@ GIN_EXPORT BASE_DECLARE_FEATURE(kWebAssemblyTailCall);
 GIN_EXPORT BASE_DECLARE_FEATURE(kWebAssemblyInlining);
 GIN_EXPORT BASE_DECLARE_FEATURE(kWebAssemblyGenericWrapper);
 GIN_EXPORT BASE_DECLARE_FEATURE(kWebAssemblyMultipleMemories);
+GIN_EXPORT BASE_DECLARE_FEATURE(kWebAssemblyTurboshaft);
 
 }  // namespace features
 

diff --git a/gin/v8_initializer.cc b/gin/v8_initializer.cc
@@ -417,6 +417,8 @@ void SetFlags(IsolateHolder::ScriptMode mode,
   SetV8FlagsIfOverridden(features::kWebAssemblyMultipleMemories,
                          "--experimental-wasm-multi-memory",
                          "--no-experimental-wasm-multi-memory");
+  SetV8FlagsIfOverridden(features::kWebAssemblyTurboshaft, "--turboshaft-wasm",
+                         "--no-turboshaft-wasm");
 
   if (js_command_line_flags.empty())
     return;