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

[kkojima at gcc dot gnu.org]

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

--- Comment #8 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-10-10 01:31:42 UTC ---
(In reply to comment #7)
> Option 2 seems more robust even if it seems less effective, what do you think?

Another combine pass to reduce size less than 0.3% on one target
would be not acceptable, I guess.  ~10 new patterns would be
overkill for that result, though I'm still expecting that a few
patterns of them were dominant.  Could you get numbers which pattern
was used in the former option?