> > > I am doing a port in GCC 4.4.0 for a 32 bit target. As a part of > > > scheduling framework i have to write the move patterns with more > > > clarity, so that i could control the scheduling with the help of > > > attributes. Re-writting the pattern resulted in movsi pattern with 41 > > > alternatives :( > > > > Use rtl expressions instead of alternatives. e.g. arm.md:arith_shiftsi > > Or use the more modern iterators approach.
Aren't iterators for generating multiple insns (e.g. movsi and movdi) from the same pattern, whereas in this case we have a single insn that needs to accept many different operand combinartions? Paul