Re: gcc m68k improvements

[Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>]

Tamminen Eero <t150315@students.cc.tut.fi> writes:

|>> > Old? I'm still using gcc v2.3.3 and v2.5.8. What's been improved
|>> > on the *C* compiler side?

|>> I've just ask Andreas about it. He told me there had been a lot of
|>> improvements in the m68k part of GCC. And GCC 2.7.x produces
|>> better code than GCC 2.5.8, indeed.

|> Hmm... Could you be a bit specific?  For example does it support
|> now better the full range of 680x0 instructions (like dbra)?

What do you mean with full range?  dbCC is limited anyway, since it only
works for 16 bit counters.

|> Or are improvements on the register allocation / code flow side?

In general, yes (not only for m68k).  Other improvements include better
support for m680[46]0.

-- 
Andreas Schwab                                      "And now for something
schwab@issan.informatik.uni-dortmund.de              completely different"
schwab@gnu.org