add/sub-register ( Rd Rn Rm -- Rd Rn operand )

Vocabulary

cpu.arm.64.assembler.private

Inputs

Rd	an object
Rn	an object
Rm	an object

Outputs

Rd	an object
Rn	an object
operand	an object

Definition

USING: cpu.arm.64.assembler kernel ;

IN: cpu.arm.64.assembler.private

: add/sub-register ( Rd Rn Rm -- Rd Rn operand )
    0 reach reach [ stack-register? ] either?
    [ <LSL*> ] [ <LSL> ] if ;