Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: bafc1f2d7f1e8c6c2eb2ebc395c8f94af5f35c33
https://github.com/WebKit/WebKit/commit/bafc1f2d7f1e8c6c2eb2ebc395c8f94af5f35c33
Author: Yusuke Suzuki <[email protected]>
Date: 2026-07-17 (Fri, 17 Jul 2026)
Changed paths:
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
M Source/JavaScriptCore/heap/Heap.cpp
M Source/JavaScriptCore/interpreter/MicrotaskCall.cpp
M Source/JavaScriptCore/interpreter/MicrotaskCall.h
M Source/JavaScriptCore/jit/JITCall.cpp
M Source/JavaScriptCore/jit/JITOperations.cpp
M Source/JavaScriptCore/jit/JITOperations.h
M Source/JavaScriptCore/llint/LLIntSlowPaths.cpp
M Source/JavaScriptCore/runtime/AsyncGeneratorPrototype.cpp
M Source/JavaScriptCore/runtime/JSAsyncGenerator.h
M Source/JavaScriptCore/runtime/JSMicrotask.cpp
M Source/JavaScriptCore/runtime/JSMicrotask.h
M Source/JavaScriptCore/runtime/VM.cpp
M Source/JavaScriptCore/runtime/VM.h
Log Message:
-----------
[JSC] Introduce MicrotaskCallCache for async generator driver path
https://bugs.webkit.org/show_bug.cgi?id=319650
rdar://182472828
Reviewed by Sosuke Suzuki.
Let's have per-VM MicrotaskCallCache for async generator driver path.
Since MicrotaskCallCache is no longer on the stack, we need to finalize
the MicrotaskCall when GC happens. When it is used on-stack, we do not
need it since everything is alive via conservative scanning. But now
VM's one is not so we should purge invalid entries.
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp:
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileCompareStrictEq):
* Source/JavaScriptCore/heap/Heap.cpp:
(JSC::Heap::finalizeUnconditionalFinalizers):
* Source/JavaScriptCore/interpreter/MicrotaskCall.cpp:
(JSC::MicrotaskCall::visitWeak):
* Source/JavaScriptCore/interpreter/MicrotaskCall.h:
* Source/JavaScriptCore/jit/JITCall.cpp:
(JSC::JIT::emit_op_async_iterator_next):
* Source/JavaScriptCore/jit/JITOperations.cpp:
(JSC::JSC_DEFINE_JIT_OPERATION):
* Source/JavaScriptCore/jit/JITOperations.h:
* Source/JavaScriptCore/llint/LLIntSlowPaths.cpp:
(JSC::LLInt::LLINT_SLOW_PATH_DECL):
* Source/JavaScriptCore/runtime/AsyncGeneratorPrototype.cpp:
(JSC::asyncGeneratorNext):
(JSC::JSC_DEFINE_HOST_FUNCTION):
* Source/JavaScriptCore/runtime/JSAsyncGenerator.h:
* Source/JavaScriptCore/runtime/JSMicrotask.cpp:
(JSC::enqueueAsyncGeneratorDriver):
(JSC::asyncIteratorNextWithDriver):
* Source/JavaScriptCore/runtime/JSMicrotask.h:
* Source/JavaScriptCore/runtime/VM.cpp:
(JSC::VM::VM):
(JSC::VM::finalizeUnconditionally):
* Source/JavaScriptCore/runtime/VM.h:
(JSC::VM::syncResumeCallCache):
Canonical link: https://commits.webkit.org/317384@main
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