rex.b ( m op -- n )

Vocabulary

cpu.x86.assembler.private

Inputs

m	an object
op	an object

Outputs

n

an object

Definition

USING: accessors cpu.x86.assembler.operands.private kernel math
;

IN: cpu.x86.assembler.private

: rex.b ( m op -- n )
    [ extended? [ 1 bitor ] when ] keep dup indirect?
    [ index>> extended? [ 2 bitor ] when ] [ drop ] if ;