[llvm-bugs] [Bug 13805] llvm-mc rejects '.w' suffix for Moves-with-shift instructions

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Aug 15 21:36:00 PDT 2015


https://llvm.org/bugs/show_bug.cgi?id=13805

Saleem Abdulrasool <compnerd at compnerd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |compnerd at compnerd.org
         Resolution|---                         |INVALID

--- Comment #1 from Saleem Abdulrasool <compnerd at compnerd.org> ---
As per the ARM ARM:

MOV{S}<c>.W <Rd>, #<const>
MOV{S}<c>.W <Rd>, <Rm>

are the only .W forms for mov.  Supporting register shifted forms must be an
extension.

If you feel that this extension is important, can you indicate what assemblers
support this extension and why you think that this form would be particularly
common enough to support the extension?

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