USING: kernel locals math math.bitwise ;

IN: cpu.ppc.assembler

:: mds-insn ( rs ra rb mb xo rc opcode -- )
mb [ 31 bitand 1 shift ] [ -5 shift ] bi bitor
:> mb rs ra rb mb xo rc opcode
[ { 0 1 5 11 16 21 } bitfield ] dip insn ;