5.2 Giving Symbols Other Values =============================== A symbol can be given an arbitrary value by writing a symbol, followed by an equals sign '=', followed by an expression (Expressions). This is equivalent to using the '.set' directive.
'.set' Set. In the same way, using a double equals sign '=''=' here represents an equivalent of the '.eqv' directive.
'.eqv' Eqv. Blackfin does not support symbol assignment with '='.