[Issue 23123] New: -vasm wrong result for cmpxchg16b

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23123

          Issue ID: 23123
           Summary: -vasm wrong result for cmpxchg16b
           Product: D
           Version: D2
          Hardware: x86_64
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: maxhaton at gmail.com

Seems to ignore the rex prefix.

--