[llvm-bugs] [Bug 20339] unsupported ARM asm argument -mimplicit-it

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=20339

Saleem Abdulrasool <compnerd at compnerd.org> changed:

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

--- Comment #6 from Saleem Abdulrasool <compnerd at compnerd.org> ---
I think that using -fno-integrated-as is a reasonable workaround if you have
hand written assembly and do not wish to update it for the explicit IT blocks. 
This extension would be pretty invasive.  Given that modern CPUs support
restricted IT mode, the number of instructions that need to be placed into
explicit IT blocks is relatively small.  This only effects assembly input, not
generated assembly, as LLVM will already generate assembly with the IT blocks. 
We *could* silently ignore the argument, but that might be confusing as we we
wouldn't actually insert the IT blocks.

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