For all ppc compilers, implement compare_exchange and fetch_add with asm.

Noah Misch <noah@leadboat.com>

Commit: 30ee5d17c20dbb282a9952b3048d6ad52d56c371
Author: Noah Misch <noah@leadboat.com>
Date: 2019-10-19T03:20:52Z
Releases: 13.0
For all ppc compilers, implement compare_exchange and fetch_add with asm.

This is more like how we handle s_lock.h and arch-x86.h.

Reviewed by Tom Lane.

Discussion: https://postgr.es/m/20191005173400.GA3979129@rfd.leadboat.com

Files

Discussion