Bug 56292 - Should try to avoid popping return address in leaf functions.
: Should try to avoid popping return address in leaf functions.
Status: NEW
: WebKit
JavaScriptCore
: 528+ (Nightly build)
: PC Mac OS X 10.5
: P2 Normal
Assigned To:
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Reported: 2011-03-13 23:31 PST by
Modified: 2011-03-13 23:31 PST (History)


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Description From 2011-03-13 23:31:08 PST
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.