Attachment 362036 Details for Bug 194648 – WIP - Patch

[patch] WIP - Patch

llint-entry-code.diff (text/plain), 2.26 KB, created by Caio Lima on 2019-02-14 10:44:23 PST

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Creator: Caio Lima

Created: 2019-02-14 10:44:23 PST

Size: 2.26 KB

patch

obsolete

>diff --git a/Source/JavaScriptCore/llint/LLIntEntrypoint.cpp b/Source/JavaScriptCore/llint/LLIntEntrypoint.cpp
>index f7ad74c5ae2..6e014487369 100644
>--- a/Source/JavaScriptCore/llint/LLIntEntrypoint.cpp
>+++ b/Source/JavaScriptCore/llint/LLIntEntrypoint.cpp
>@@ -38,6 +38,28 @@
> 
> namespace JSC { namespace LLInt {
> 
>+static Ref<JITCode> getFunctionForCallJITCode(VM& vm)
>+{
>+    static DirectJITCode* jitCode;
>+    static std::once_flag onceKey;
>+    std::call_once(onceKey, [&] {
>+        jitCode = new DirectJITCode(vm.getCTIStub(functionForCallEntryThunkGenerator).retagged<JSEntryPtrTag>(), vm.getCTIStub(functionForCallArityCheckThunkGenerator).retaggedCode<JSEntryPtrTag>(), JITCode::InterpreterThunk);
>+    });
>+
>+    return makeRef(*jitCode);
>+}
>+
>+static Ref<JITCode> getFunctionForConstructJITCode(VM& vm)
>+{
>+    static DirectJITCode* jitCode;
>+    static std::once_flag onceKey;
>+    std::call_once(onceKey, [&] {
>+        jitCode = new DirectJITCode(vm.getCTIStub(functionForConstructEntryThunkGenerator).retagged<JSEntryPtrTag>(), vm.getCTIStub(functionForConstructArityCheckThunkGenerator).retaggedCode<JSEntryPtrTag>(), JITCode::InterpreterThunk);
>+    });
>+
>+    return makeRef(*jitCode);
>+}
>+
> static void setFunctionEntrypoint(VM& vm, CodeBlock* codeBlock)
> {
>     CodeSpecializationKind kind = codeBlock->specializationKind();
>@@ -45,13 +67,11 @@ static void setFunctionEntrypoint(VM& vm, CodeBlock* codeBlock)
> #if ENABLE(JIT)
>     if (VM::canUseJIT()) {
>         if (kind == CodeForCall) {
>-            codeBlock->setJITCode(
>-                adoptRef(*new DirectJITCode(vm.getCTIStub(functionForCallEntryThunkGenerator).retagged<JSEntryPtrTag>(), vm.getCTIStub(functionForCallArityCheckThunkGenerator).retaggedCode<JSEntryPtrTag>(), JITCode::InterpreterThunk)));
>+            codeBlock->setJITCode(getFunctionForCallJITCode(vm));
>             return;
>         }
>         ASSERT(kind == CodeForConstruct);
>-        codeBlock->setJITCode(
>-            adoptRef(*new DirectJITCode(vm.getCTIStub(functionForConstructEntryThunkGenerator).retagged<JSEntryPtrTag>(), vm.getCTIStub(functionForConstructArityCheckThunkGenerator).retaggedCode<JSEntryPtrTag>(), JITCode::InterpreterThunk)));
>+        codeBlock->setJITCode(getFunctionForConstructJITCode(vm));
>         return;
>     }
> #endif // ENABLE(JIT)

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mark.lam: review-

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