# REMAP <a name="remap" />
REMAP is an advanced form of Vector "Structure Packing" that
-provides hardware-level support for commonly-used *nested* loop patterns.
+provides hardware-level support for commonly-used *nested* loop patterns
+that would otherwise require full inline loop unrolling.
For more general reordering an Indexed REMAP mode is available.
REMAP allows the usual sequential vector loop `0..VL-1` to be "reshaped" (re-mapped)