On Thu, Aug 16, 2018 at 7:14 PM, Segher Boessenkool <> wrote: > There are some patterns that recognise the parallel of an add and a > compare, and split it back to the same two insns. This apparently > helped RIOS machines before RTL scheduling existed? Either way, it > isn't helpful anymore, and even hurts a tiny bit. So, delete it.
It's been there since r251 (initial revision). On the topic of archaeology: Perhaps the time also finally has come to revisit this comment in rs6000.md: 13065; FIXME: This would probably be somewhat simpler if the Cygnus sibcall 13066; stuff was in GCC. <...> :-) Ciao! Steven
