• d-bugmail puremagic.com (24/24) Feb 09 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12121
• d-bugmail puremagic.com (11/11) Feb 12 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12121
• d-bugmail puremagic.com (6/6) Feb 12 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12121
• d-bugmail puremagic.com (13/13) Feb 15 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12121
• d-bugmail puremagic.com (9/9) Feb 15 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12121

d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12121

           Summary: atomicLoad!(MemoryOrder.acq) should not emit
                    additional code on X86
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: druntime
        AssignedTo: nobody puremagic.com
        ReportedBy: stanislav.blinov gmail.com



10:49:48 PST ---
Current implementation of needsLoadBarrier in core.atomic is as follows:

        template needsLoadBarrier( MemoryOrder ms )
        {
            enum bool needsLoadBarrier = ms != MemoryOrder.raw;
        }

On X86, acquire loads should not require fences, release-acquire ordering is
automatic.

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12121


Martin Nowak <code dawg.eu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |code dawg.eu



As discussed here.
http://forum.dlang.org/post/yrysgcclkpeykoefkgev forum.dlang.org

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12121




https://github.com/D-Programming-Language/druntime/pull/723

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12121




Commits pushed to master at https://github.com/D-Programming-Language/druntime

https://github.com/D-Programming-Language/druntime/commit/391573925590cf042d1d10345b0ec39699ccd48a
fix Issue 12121 - atomicLoad!(MemoryOrder.acq) doesn't require load barrier

[Issue 12121 – atomicLoad!(MemoryOrder.acq) should not emit additional code on
X86](https://d.puremagic.com/issues/show_bug.cgi?id=12121)

https://github.com/D-Programming-Language/druntime/commit/9a8a09d6746181350021b06107515013ef2a25ce


fix Issue 12121 - atomicLoad!(MemoryOrder.acq) doesn't require load barrier

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12121


Stanislav Blinov <stanislav.blinov gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


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