3inputs ( -- vreg1 vreg2 vreg3 )
Generating instructions for accessing the data and retain stacks

Prev:	2inputs ( -- vreg1 vreg2 )
Next:	ds-drop ( -- )

Vocabulary
compiler.cfg.stacks

Inputs
None

Outputs

vreg1	a vreg
vreg2	a vreg
vreg3	a vreg

Word description
Lifts the three topmost values from the datastack and stores them in virtual registers. The datastacks height is decremented by 3.

Definition

USING: compiler.cfg.registers sequences ;

IN: compiler.cfg.stacks

: 3inputs ( -- vreg1 vreg2 vreg3 ) 3 ds-loc load-vregs first3 ;