feat: Disable gsharedvt by default, add EnableAotGSharedVT to restore it

gsharedvt enabled reduces AOT Dictionary<,> by 2.5x times, since net7.

src/Uno.Wasm.Bootstrap/ShellTask.cs

@@ -193,6 +193,10 @@ public partial class ShellTask_v0 : Microsoft.Build.Utilities.Task
 
 		public bool EnableAOTDeduplication { get; set; } = true;
 
+		public bool EnableAotGSharedVT { get; set; } = false;
+
+		public string? AotCompilerOptions { get; set; }
+
 		public bool GenerateAOTProfile { get; set; } = false;
 
 		public string? NinjaAdditionalParameters { get; set; }
@@ -811,6 +815,11 @@ private void RunPackager()
 					referencePathsParameter += $" \"{AlignPath(aotProfilerSupport)}\"";
 				}
 
+				if(string.IsNullOrEmpty(AotCompilerOptions) && EnableAotGSharedVT)
+				{
+					AotCompilerOptions = $"-O=gsharedvt";
+				}
+
 				if (EnableLogProfiler)
 				{
 					var logProfilerSupport = Path.Combine(BuildTaskBasePath, "..", "tools", "support", "Uno.Wasm.LogProfiler.dll");
@@ -829,6 +838,7 @@ private void RunPackager()
 				packagerParams.Add($"--runtime-config={RuntimeConfiguration} ");
 				packagerParams.Add(aotOptions);
 				packagerParams.Add(aotProfile);
+				packagerParams.Add($"--aot-compiler-opts=\"{AotCompilerOptions}\"");
 				packagerParams.Add(EmccLinkOptimization ? "--emcc-link-optimization" : "");
 				packagerParams.Add(MonoILLinker ? "--linker --link-mode=all" : "");
 				packagerParams.Add(referencePathsParameter);

src/Uno.Wasm.Bootstrap/build/Uno.Wasm.Bootstrap.targets

@@ -213,6 +213,8 @@
         GenerateAOTProfile="$(WasmShellGenerateAOTProfile)"
         AotProfile="@(WasmShellEnableAotProfile)"
         AOTProfileExcludedMethods="$(WasmShellAOTProfileExcludedMethods)"
+		EnableAotGSharedVT="$(WasmShellEnableAotGSharedVT)"
+        AotCompilerOptions="$(WasmShellAotCompilerOptions)"
         GenerateAOTProfileDebugList="$(WasmShellGenerateAOTProfileDebugList)"
         EnableLogProfiler="$(WasmShellEnableLogProfiler)"
         LogProfilerOptions="$(WasmShellLogProfilerOptions)"

src/Uno.Wasm.Packager/packager.cs

@@ -142,6 +142,7 @@ enum AssemblyKind {
 		Console.WriteLine ("\t--runtime-config=x  sets the mono runtime to use (defaults to release).");
 		Console.WriteLine ("\t--aot-assemblies=x List of assemblies to AOT in AOT+INTERP mode.");
 		Console.WriteLine ("\t--skip-aot-assemblies=x List of assemblies to skip AOT in AOT+INTERP mode.");
+		Console.WriteLine ("\t--aot-compiler-opts=x Adjust aot compiler options.");
 		Console.WriteLine ("\t--aot-profile=x Use 'x' as the AOT profile.");
 		Console.WriteLine ("\t--link-mode=sdkonly|all        Set the link type used for AOT. (EXPERIMENTAL)");
 		Console.WriteLine ("\t--pinvoke-libs=x DllImport libraries used.");
@@ -457,6 +458,7 @@ class WasmOptions {
 		var runtimepack_dir = "";
 		string coremode, usermode;
 		string aot_profile = null;
+		string aot_compiler_options = "";
 		string wasm_runtime_path = null;
 		var runtime_config = "release";
 		string extra_emccflags = "";
@@ -504,6 +506,7 @@ class WasmOptions {
 				{ "aot-profile=", s => aot_profile = s },
 				{ "runtime-config=", s => runtime_config = s },
 				{ "skip-aot-assemblies=", s => skip_aot_assemblies = s },
+				{ "aot-compiler-opts=", s => aot_compiler_options = s },
 				{ "link-mode=", s => linkModeParm = s },
 				{ "link-descriptor=", s => linkDescriptor = s },
 				{ "pinvoke-libs=", s => pinvoke_libs = s },
@@ -1160,10 +1163,10 @@ class WasmOptions {
 
 		// Rules
 		ninja.WriteLine ("rule aot");
-		ninja.WriteLine ($"  command = {aot_cross_prefix} $cross --debug {profiler_aot_args} -O=gsharedvt --aot=$aot_args,$aot_base_args,depfile=$depfile,llvm-outfile=$outfile $src_file");
+		ninja.WriteLine ($"  command = {aot_cross_prefix} $cross --debug {profiler_aot_args} {aot_compiler_options} --aot=$aot_args,$aot_base_args,depfile=$depfile,llvm-outfile=$outfile $src_file");
 		ninja.WriteLine ("  description = [AOT] $src_file -> $outfile");
 		ninja.WriteLine ("rule aot-instances");
-		ninja.WriteLine ($"  command = {aot_cross_prefix} $cross --debug {profiler_aot_args} -O=gsharedvt --aot=$aot_base_args,llvm-outfile=$outfile,dedup-include=$dedup_image $src_files");
+		ninja.WriteLine ($"  command = {aot_cross_prefix} $cross --debug {profiler_aot_args} {aot_compiler_options} --aot=$aot_base_args,llvm-outfile=$outfile,dedup-include=$dedup_image $src_files");
 		ninja.WriteLine ("  description = [AOT-INSTANCES] $outfile");
 		ninja.WriteLine ("rule mkdir");