Bug 56292

Summary: Should try to avoid popping return address in leaf functions.
Product: WebKit Reporter: Gavin Barraclough <barraclough>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal    
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: PC   
OS: OS X 10.5   

Description Gavin Barraclough 2011-03-13 23:31:08 PDT
Presently we preserve the return address in the CallFrameHeader in the RegisterFile,
since we don't allow any recursion on the machine stack. We should fairly trivially
be able to avoid the extra push/pop of the return address in leaf functions.