On Fri, Oct 4, 2024 at 1:47 PM Sid Maxwell via Gcc <gcc@gcc.gnu.org> wrote: > > I haven't found anything in my digging, so I'd like to ask if anyone knows > of any mechanism in GCC for conducting peephole optimization on generated > code. I can imagine doing this as a pass over the generated code from > within the backend, or as a separate process between cc1 and as. I'm > working with a derivative of 4.3.
There's define_peephole and define_peephole2 in the machine description. It works on RTL of course but is essentially what you are looking for? Richard. > > -+- Sid
