daniel tian <daniel.xnt...@gmail.com> writes: > I have a problem about RTL sequence. > If I wanna generate the RTL in sequence, and don't let gcc to schedule > them. > Like the following(all the variable is rtx): > > emit_insn(reg0, operands[0]); > emit_insn(reg1, reg0); > emit_insn(operands[0], reg1); > > But gcc will will reorder the three rtl in optimization. > I just wanna the those rtl in one block as a unit, don't let the > gcc disrupt the sequence. > How can I do it?
Write a single define_insn which emits the instructions you want to treat as a unit. Ian
