ref: a99cf56c7d670f6af88cab39de91f1d6ac36416f
parent: 5bf09937da68b5b55e33cc24ea021ed08b2ae6e0
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Sun Jun 26 11:13:10 EDT 2016
kernel: more (arm) compiler friendly mul64fract() the arm compiler can lift long->vlong casts on multiplcation and convert 64x64->64 multiplication into a 32x32->64 one with optional 64 bit accumulate.