Bug 169252

Summary: Consider adding AtomicXchgNeg to B3
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal    
Priority: P2    
Version: WebKit Nightly Build   
Hardware: All   
OS: All   

Description Filip Pizlo 2017-03-06 20:05:49 PST
It's supported by x86 and trivial to implement on ARM64.