AMD 250 manual 156

Software Optimization Guide for AMD64 Processors 25112 Rev. 3.06 September 2005

If the base addresses of the arrays are held in registers (for example, when the base addresses are passed as the arguments of a function), biasing the base addresses requires additional instructions to perform the biasing at run time, and a small amount of additional overhead is incurred.

156 Scheduling Optimizations Chapter 7