6.1.9.42 Rept Directive

The REPT directive temporarily defines an unnamed macro, then expands it a number of times as determined by its argument.

For example:

REPT 3
    addwf fred,w
ENDM

will expand to:

addwf fred,w
addwf fred,w
addwf fred,w

(see 6.1.9.24 Irp And Irpc Directives).