Bug 302915

Summary: Add MacroAssembler emitters for load of 8, 16, and 32 bit values that sign extend into 32 or 64 bit registers.
Product: WebKit Reporter: Mark Lam <mark.lam>
Component: JavaScriptCoreAssignee: Mark Lam <mark.lam>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Mark Lam
Reported 2025-11-20 21:43:05 PST
Some of these will currently be used to make WasmBBQJIT64 codegen more efficient, and enable us to implement other things in the near future. Also add testmasm tests for all these emitters.
Attachments
Radar WebKit Bug Importer
Comment 1 2025-11-20 21:43:35 PST
Mark Lam
Comment 2 2025-11-20 21:44:09 PST
Mark Lam
Comment 3 2025-11-20 22:00:31 PST
EWS
Comment 4 2025-11-21 12:34:49 PST
Committed 303414@main (466d85255afa): <https://commits.webkit.org/303414@main> Reviewed commits have been landed. Closing PR #54294 and removing active labels.
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