[Webkit-unassigned] [Bug 147030] New: Remove DFG::DesiredWriteBarriers because it's just a very difficult way of saying "please barrier the machine code block owner"

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=147030

            Bug ID: 147030
           Summary: Remove DFG::DesiredWriteBarriers because it's just a
                    very difficult way of saying "please barrier the
                    machine code block owner"
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

Just doing:

vm.heap.writeBarrier(codeBlock->ownerExecutable()

somewhere in Plan is equivalent to all of what DesiredWriteBarriers amounts to, since:

- All of the uses of it pass codeBlock->ownerExecutable() as the owner.
- It's guaranteed that a barrier on the owner executable will be executed as a result of compilation, so we might as well just do it unconditionally.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.webkit.org/pipermail/webkit-unassigned/attachments/20150717/d41e090a/attachment-0001.html>