[LLVMdev] thumb2 has divide instructions

[Anton Korobeynikov]

Hello

> OK, here's a patch that follows your suggestion.  I'm not an authorized
> developer, so I can't commit it myself.  The test case is also attached
> again.
"T2Divide" should be a subtarget feature bit. This way it can be
"automatically" assigned to the procesor.
The instruction selection patterns for t2{S,U}DIV should be also
guarded by this predicate.

Also, for cortex-m3 it will be nice to have separate V7M feature profile.

-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University