[Webkit-unassigned] [Bug 70278] New: DFG bytecode parser should understand inline stacks

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70278

           Summary: DFG bytecode parser should understand inline stacks
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fpizlo at apple.com


The lowest-overhead way to do inlining is to have it occur on-the-fly as part of bytecode parsing.  The parser will simply switch from parsing the original code block to the code block being inlined.  This requires having a notion of an inline stack in the parser, and the ability to remap operand according to the meta-data in the inline stack.

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