From The Free On-line Dictionary of Computing (19 January 2023):
Back End Generator
Back End Generator Language
BEG
BEGL
<tool> (BEG) A code generator developed by H. Emmelmann et
al at GMD, University Karlsruhe, Germany. Its input language
is Back End Generator Language (BEGL).
(ftp://gatekeeper.dec.com/pub/gmd/cocktail/beg).
["BEG - A Generator for Efficient Back Ends", H. Emmelmann et
al, SIGPLAN Notices 24(7):227-237 (Jul 1989)].
["BEG - A Back End Generator - User Manual", H. Emmelmann,
GMD, U Karlsruhe, 1990].
[Summary?]
(2000-12-16)