define_split

[Joern Rennecke]

Quoting roy rosen <roy.1rosen@gmail.com>:

> What is the difference when writing define_insn_and_split?
> From what I understood from the docs then if there is such an insn
> then the split does not occur so it would simply match it as an insn
> without splitting and at the end would print the #?
> Can you please elaborate?

The combiner (and other passes) would match it as an insn, but ordinary
splitter passes, e.g. before scheduling, will still split it.