[Bug target/49263] SH Target: underutilized "TST #imm, R0" instruction

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49263

--- Comment #28 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #27)
> (In reply to Oleg Endo from comment #26)
> > Author: olegendo
> > Date: Mon Jan 26 23:56:05 2015
> > New Revision: 220144

Well, it fixed some of the cases mentioned in this PR, but not all.  It's quite
a  broad issue actually.