[testsuite] new test case to rx generation with adds and subs instruction for plain H8/300 targets [COFF/ELF] tool chains.

[Nick Clifton]

Hi Nitin,

> 2004-08-04  Nitin Yewale <nitiny@kpitcummins.com>
> 
> 	  * h8300/h8300.exp: Addition of new test case to check rx 
>         generation with adds and subs instruction for plain H8/300 target.
> 	  * h8300/addsubrxcheck.s: New test source file.

Approved and applied.

Cheers
   Nick