Hello all, Looking at the internals i couldn't find an answer for my problem.
I have a define_expand with the pattern name mov<mode> and a define_insn mov<mode>_store The predicate in define_expand is general_operand, so that all operands are matched. While in define_insn i have a predicate which allows only two class of registers say 'a' and 'b'. But the constraint for define_insn only allows registers of class 'b'. I also have a pattern for register move from 'a' to 'b', call it mov<mode>a2b. So if for mov<mode>_store define_insn constraint doesn't satisfy why is that the compiler is not trying to match the constraint by generating a mov<mode>a2b pattern? Is there something that i am missing here? Regards, Shafi
