Bug 239264

Summary:	[JSC] Minimize the prologue and epilogue of leaf routines
Product:	WebKit	Reporter:	Robin Morisset <rmorisset>
Component:	JavaScriptCore	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Robin Morisset 2022-04-12 17:02:59 PDT

I think that we currently always generate the same prologue and epilogue, regardless of whether or not that function calls anything or not.
We can probably omit some of that code for functions that call nothing, which I would expect would be a win at least for some Wasm code.

Comment 1 Radar WebKit Bug Importer 2022-04-19 17:03:14 PDT

<rdar://problem/91994888>