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Commits on Jun 5, 2026

• [JSC] Optimize the layout of Parser and Lexer

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• Use `WTF::toArray()` instead of C-style arrays in JavaScriptCore

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• [JSC] Optimize the layout of InlineCacheHandler

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Commits on Jun 4, 2026

• Unreviewed, reverting 314513@main (de8227087714)

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  JonWBedard

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• [JSC] Optimize the layout of InlineCacheHandler

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Commits on Jun 1, 2026

• [JSC] DFG `NewTypedArrayWithSize` should zero-fill the storage 8 bytes at a time

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Commits on May 31, 2026

• [JSC] Make RegExp tolerant against excessive stress

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Commits on May 13, 2026

• [JSC] array_sort_comparator_return_trampoline should be registered for JITCage

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• [JSC] Use std::integral in RISCV64 immediate helpers

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Commits on May 7, 2026

• Optimize JavaScriptCore #includes

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  geoffreygaren

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• [Wasm] Use a lazy restore frame when returning from tail calls

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  kmiller68

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Commits on May 6, 2026

• [OMG] Tail call shuffler should be able to handle registers

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  kmiller68

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Commits on May 3, 2026

• [JSC] Add multiply-accumulate instruction selection

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Commits on Apr 27, 2026

• [Build Speed] Fix compilation issues in JSC headers

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Commits on Apr 24, 2026

• [JSC] Set ARM64 CPU feature bits in Windows

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Commits on Apr 21, 2026

• Unreviewed, disable ARM64E dotprod

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• [JSC] Implement relaxed Wasm SIMD

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Commits on Apr 17, 2026

• Optimize isInteger slightly

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  kmiller68

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Commits on Apr 16, 2026

• Add wasm wide arithmetic proposal

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  kmiller68

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Commits on Apr 10, 2026

• Reserve and/or give JSC vectors inline capacity

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  nipunshukla21

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Commits on Mar 30, 2026

• Adopt NODELETE in more places in Source/**

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  geoffreygaren

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Commits on Mar 26, 2026

• Adopt C++20's std::popcount()

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Commits on Mar 21, 2026

• [JSC] Lazily save/restore LR in HandlerIC

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Commits on Mar 19, 2026

• [JSC] Use wasm SIMD optimizations in x64 too

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• [JSC] Flush ProfilerSupport queue at jsc shell exit

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Commits on Mar 16, 2026

• [JSC] Add more SIMD lowering

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Commits on Mar 15, 2026

• [JSC] Use simple ARM64 shl, ushr, sshr

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• [CSS JIT] Add dumpCSSJITDisassembly runtime option

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  nullhook

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Commits on Mar 14, 2026

• [JSC] Implement SIMD Shuffle reduction

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Commits on Mar 9, 2026

• [JSC] Add SourceDump option to JITDump

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• Adopt LIFETIME_BOUND in more places in JavaScriptCore

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  cdumez

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Commits on Mar 6, 2026

• [JSC] Add IRDump option with JITDump

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Commits on Mar 5, 2026

• [JSC] Bytecode profiler should include JIT comments

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Commits on Feb 19, 2026

• Adopt `NODELETE` annotation in more places in JavaScriptCore/

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  cdumez

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Commits on Feb 14, 2026

• Unreviewed, reverting 307528@main.

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  webkit-commit-queue

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  rreno

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