On 02/14/2012 03:41 PM, Steven Bosscher wrote: > Not sure why this was changed. What I'd like to do, is remove the > divhi3 and movhi3 define_expand and define_insn, and just keep > divmodhi4. You point to s390. I suppose you mean the divmoddi4 > expander there?
Yes. Naturally the TImode stuff becomes SImode in the pdp11 version. >> (define_insn "zero_extendqihi2" >> (define_expand "zero_extendhisi2" > > What do you mean with "generated by generic code"? > And the define_insn has to stay, surely? I mean that optabs.c will generate the right thing by itself without you providing these patterns at all. r~