Altera Designing With Low-Level Primitives - Manual (Page 55)

Altera Corporation 2–33
April 2007 Designing with Low-Level Primitives User Guide
Primitive Reference
Synthesis
Attributes Using synthesis attributes in HDL is an easy way to make assignments to
your design instead of using the Assignment Editor. Synthesis attributes
are also commonly called “pragmas”.
f
For more information, refer to the Quartus II Integrated Synthesis chapter
in volume 1 of the Quartus II Handbook.