[Issue 17027] New: Add support for tzcnt in x86(64) iasm

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=17027

          Issue ID: 17027
           Summary: Add support for tzcnt in x86(64) iasm
           Product: D
           Version: D2
          Hardware: x86_64
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nob...@puremagic.com
          Reporter: b2.t...@gmx.com

count trailings 0, currently we have to use the trick db/di.

http://www.felixcloutier.com/x86/TZCNT.html

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