ID:236044 If two ports on a module are directly connected, the ports are probably unnecessary. If you change the ports, you may allow some synthesis optimizations that could improve the quality of the compilation.

Contact Altera | Legal Notice

Copyright© 2015 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, HARDCOPY, MAX, MEGACORE, NIOS, QUARTUS, STRATIX, and all other brands, unless noted otherwise, and/or trademarks of Altera Corporation in the U.S. and other countries.