[Webkit-unassigned] [Bug 91303] New: Rationalize and optimize storage allocation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=91303

           Summary: Rationalize and optimize storage allocation
           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


Currently our storage allocator requires multiple branches, and multiple temporary registers, to be sound.  The code is also duplicated in two places (one for mutator and one for collector).

The code should be unified, and simplified to use backwards bumping allocation, which only requires one branch and one register.

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