Re: m68k compound instructions

2007-06-27 Thread Andreas Schwab
Maxim Kuvyrkov <[EMAIL PROTECTED]> writes: > Option '2' looks more favorable to me, though implies greater initial > effort of simplifying complex machine description without loosing precious > bits of fine tuning. Following this path define_split will be my best > friend and helper. I agree wit

m68k compound instructions

2007-06-25 Thread Maxim Kuvyrkov
Hello Andreas, Hello Jeff, I have recently started on implementing processor pipeline model for m68k target. At this point I am trying to figure out the best way of annotating instructions in m68k.md, so that appropriate cpu unit reservations could be assigned to each one of them. The probl