transparent way of inserting insns

[Jim Wilson]

Johnny Huynh wrote:
> I am trying to add another pass in gcc (for my own purposes) that needs to
> add some simple, non-control insns in a basic block before the register
> allocation pass. Is there a simple,transparent way of doing this?

See the comment immediately before the emit_insn_before function in 
emit-rtl.c.  There is also emit_insn_after.
-- 
Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com