Nimms ( element-bits element-width -- N imms )

Vocabulary

cpu.arm.64.assembler

Inputs

element-bits	an object
element-width	an object

Outputs

N	an object
imms	an object

Definition

USING: kernel math math.bitwise sequences ;

IN: cpu.arm.64.assembler

:: Nimms ( element-bits element-width -- N imms )
    element-bits [ ] count 1 -
    :> set-bits element-width log2 1 +
    :> width-exponent width-exponent on-bits bitnot set-bits
    bitor 6 toggle-bit [ -6 shift 1 bits ] [ 6 bits ] bi ;