More x86 const generics conversions#1047

Amanieu merged 73 commits into

rust-lang:masterrust-lang/stdarch:masterfrom

lqd:const_generics_6_the_const_and_the_furious_tokyo_driftlqd/stdarch:const_generics_6_the_const_and_the_furious_tokyo_driftCopy head branch name to clipboard