[Webkit-unassigned] [Bug 64637] New: DFG JIT operationCompareEqual does not inline JSValue::equalSlowCaseInline

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jul 15 15:37:14 PDT 2011


https://bugs.webkit.org/show_bug.cgi?id=64637

           Summary: DFG JIT operationCompareEqual does not inline
                    JSValue::equalSlowCaseInline
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fpizlo at apple.com


The DFG JIT's slow-case implementation of operationCompareEqual makes an inline call to JSValue::equal, which checks if the operands are integers, and if not, makes a slow call to JSValue::equalSlowCase.  But operationCompareEqual will only be called if the operands are known to not be integers.  Thus, operationCompareEqual should inline the slow-case implementation.

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