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Commits on Jan 26, 2026

• [JSC] Embed RTT* into WasmGC object and use it instead of Structure

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• [JSC] Use BinaryNinja's ARM64 disassembler

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Commits on Jan 23, 2026

• [JSC] Introduce B3 WasmRefCast / WasmRefTest values

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• Unreviewed, suppress warnings around B3 values StructType* which is held by the compiler global data structure throught B3 compilation

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Commits on Jan 22, 2026

• [JSC] Remove the B3 Air linear scan register allocator

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Commits on Jan 21, 2026

• [JSC] WasmStructNew can always get non-null allocator from instance

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• [JSC][GreedyRegAlloc] Add --airGreedyRegAllocSpillsEverything option

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• [JSC] Add WasmStruct related B3 Values

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Commits on Jan 16, 2026

• [JSC] More precise TBAA for WasmGC Struct

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Commits on Jan 14, 2026

• [JSC] Extend Float16, Float, Double, V128 constant materialization

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Commits on Jan 13, 2026

• Unreviewed, add value after null check

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• [JSC] Implement ccmp / ccmn chain

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Commits on Jan 9, 2026

• [JSC] Remove dominator and loop computation from IonGraph generation

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Commits on Jan 5, 2026

• [JSC] GreedyRegAlloc: fix asserts with overlapping tmps coalesced to a pinned register

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Commits on Jan 3, 2026

• [JSC] Add dumpIonGraph option

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Commits on Dec 24, 2025

• [Swift in WebKit] Work towards having a proper JSC module (part 2)

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• Unreviewed, reverting 304910@main.

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Commits on Dec 23, 2025

• Remove the need to explicitly pass a EXPORT macro to TZONE_ALLOCATED_EXPORT macros.

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  Mark Lam

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• [JSC] GreedyRegAlloc: support coalescing with pinned registers

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Commits on Dec 22, 2025

• [Swift in WebKit] Work towards having a proper JSC module (part 1)

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Commits on Dec 20, 2025

• Use WTF::move() instead of WTFMove() macro in Source/JavaScriptCore

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Commits on Dec 11, 2025

• [JSC] Add an Air::TmpMap accessor with bank as a template parameter

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Commits on Dec 10, 2025

• [JSC] GreedyRegAlloc: implement intra-block live range splitting

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Commits on Dec 9, 2025

• [JSC] GreedyRegAlloc: introduce gap points between instructions

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Commits on Dec 5, 2025

• [JSC] Fix successor block processing in Air generation

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Commits on Nov 27, 2025

• Use C++20 std::ranges projections in JavaScriptCore

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  darinadler

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Commits on Nov 21, 2025

• Use C++20 std::ranges::sort in JavaScriptCore

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Commits on Nov 12, 2025

• OMG Wasm memory access should emit a full 64-bit immediate

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  danlliu

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  robert-jenner

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• [JSC] Improve BlockOrder by handling finished chains better and optimize specific common block structures.

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Commits on Nov 11, 2025

• [JSC] GreedyRegAlloc: remove dead defs of remateralized spilled Tmps

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• Use std::minmax() where appropriate

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Commits on Nov 10, 2025

• [JSC] Implement B3 UDiv optimization

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Commits on Nov 7, 2025

• [JSC] GreedyRegAlloc: adjust the spill cost heuristic

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• [JSC] Make B3::IsLegalOffset actually enforce signed 32-bit types

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Commits on Nov 5, 2025

• [JSC] GreedyRegAlloc: handle use/def count overflow gracefully

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