Algorithm for Packing Registers?

From: lynto (lynch_at_agere.com)
Date: 07/27/04 

Date: 27 Jul 2004 12:48:36 -0700

Greetings:

   Does anyone have an algorithm for packing registers? For
example, if i had a string like (4, 8, 28, 30, 17, 5, 2, 1)
I would like to pack it for 32 bits like so:

- 30:1
- 4:28
- 17:5:2

Any ideas?

Thanks