"Rohit Arul Raj" <[EMAIL PROTECTED]> writes: > I have used cbranchmode4 instruction to generate combined compare and > branch instruction. > > (define_insn "cbranchmode4" > (set (pc) (if_then_else > (match_operator:CC 0 "comparison_operator" > [ (match_operand:SI 1 "register_operand" "r,r") > (match_operand:SI 2 "nonmemory_operand" "O,r")]) > (label_ref (match_operand 3 "" "")) > (pc)))] > This pattern matches if the code is of the form > > if ( h == 1) > p = 0; > > if the code is of the form > if (h), if (h >= 0) > p = 0; > > Then it matches the seperate compare and branch instructions and not > cbranch instruction. > > Can anyone point out where i am going wrong?
If you have a cbranch insn, and you want that one to always be recognized, then why do you also have separate compare and branch insns? Ian
