http://d.puremagic.com/issues/show_bug.cgi?id=8846

           Summary: Inline Assembler: add support of cmpxchg16b opcode
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: resume755@mail.ru


--- Comment #0 from Weed <resume755@mail.ru> 2012-10-17 20:05:17 PDT ---
It can be useful for compare-and-swap of values (typically pointers), for cas2
(double cas) function implementation which can be used in lock-free code.

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http://d.puremagic.com/issues/show_bug.cgi?id=8846


Don <clugdbug@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |spec
            Summary|Inline Assembler: add       |Specs for Inline Assembler
                   |support for cmpxchg16b      |don't include cmpxchg16b
                   |opcode                      |
           Severity|enhancement                 |normal


--- Comment #1 from Don <clugdbug@yahoo.com.au> 2012-11-12 23:59:27 PST ---
It is implemented, but is missing from the list in the spec. Also cmpxchg8b is incorrectly written as cmpxch8b.

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