Re: Inserting NOP instructions and branch delay slots

2008-01-31 Thread Richard Sandiford
Boris Boesler <[EMAIL PROTECTED]> writes: > I have to insert NOP-instructions into the insn-stream in my back- > end. I do this with something ala emit_insn_after(gen_nop, xyz). This > works so far. > > GCC leaves control-flow operations as they are, if it there are no > instructions which

Inserting NOP instructions and branch delay slots

2008-01-31 Thread Boris Boesler
Hi! I have to insert NOP-instructions into the insn-stream in my back- end. I do this with something ala emit_insn_after(gen_nop, xyz). This works so far. GCC leaves control-flow operations as they are, if it there are no instructions which can be used to fill the branch delay slots. My