(encode-bitmask) ( imm imm-size -- (N)immrimms )

Vocabulary

cpu.arm.64.assembler.private

Inputs

imm	an object
imm-size	an object

Outputs

(N)immrimms

an object

Definition

USING: kernel math.bitwise ;

IN: cpu.arm.64.assembler.private

: (encode-bitmask) ( imm imm-size -- (N)immrimms )
    [ bits ] [ ?bitmask ] [ element-size ] tri [ ?element ] keep
    [ >Nimms ] [ >immr ] 2bi { 12 0 6 } bitfield* ;