[Webkit-unassigned] [Bug 41920] Avoid slow-path for put() in Array.splice()

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jul 13 15:37:15 PDT 2010


https://bugs.webkit.org/show_bug.cgi?id=41920


Andreas Kling <andreas.kling at nokia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #61299|0                           |1
        is obsolete|                            |
  Attachment #61424|                            |review?, commit-queue?
               Flag|                            |




--- Comment #18 from Andreas Kling <andreas.kling at nokia.com>  2010-07-13 15:37:14 PST ---
Created an attachment (id=61424)
 --> (https://bugs.webkit.org/attachment.cgi?id=61424)
Proposed patch v5

Updated patch, sorry about the delay!

* Brief explanation about CreateCompact mode added to JSArray.h
* m_inCompactInitialization flag added to ArrayStorage (only with CHECK_ARRAY_CONSISTENCY)
* ASSERT(m_inCompactInitialization) added to uncheckedSetIndex()
* setLength() won't call checkConsistency() on entry at the first call after CreateCompact initialization.

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