Intel ADX
Intel ADX ( Multi-Precision Add-Carry Instruction Extensions ) is Intel's arbitrary-precision arithmetic extension to the x86 instruction set architecture ( ISA ) . 
<triplet> Intel ADX <subj> x86 <obj> part of <subj> instruction set architecture <obj> instance of <triplet> x86 <subj> Intel <obj> designed by <subj> instruction set architecture <obj> subclass of