rex-prefix ( reg r/m rex.w -- )

Vocabulary

cpu.x86.assembler.private

Inputs

reg	an object
r/m	an object
rex.w	an object

Outputs

None

Definition

USING: kernel make ;

IN: cpu.x86.assembler.private

:: rex-prefix ( reg r/m rex.w -- )
    rex.w reg r/m rex.w? 72 64 ? reg rex.r r/m rex.b
    dup reg r/m no-prefix? [ drop ] [ , ] if ;