This blog has been updated and formalized into a guide on Arm developer. You can find it here: Coding for Neon - permutation - rearranging vectors This article describes the instructions provided by Neon for rearranging data within vectors. Previous articles in this series: Part 1: Loads and Stores Part 2: Dealing with Leftovers Part 3: Matrix Multiplication Part 4: Shifting Left and Right Introdu