def set.nonroot

bend-osdev-caps@0.1.0.0 · PROOF.bend:702

import Base
import bend-osdev-caps@0.1.0.0/caps.bend as C

702def set.nonroot(+i: C.CapSet(), +b: C.CapSet(), +a: C.CapSet()) -> {C.CapSet.union(C.CapSet.union(C.CapSet.inter(i, C.CapSet.empty()), C.CapSet.inter(C.CapSet.empty(), b)), a) == a : C.CapSet()}:
703  match i b a:
704    case C.CapSetW{U32{+il}, +ih} C.CapSetW{U32{+bl}, +bh} C.CapSetW{U32{+al}, +ah}:
705      set.eq_intro(Word.or(32n, Word.or(32n, Word.and(32n, il, Word.zero(32n)), Word.and(32n, Word.zero(32n), bl)), al), al, Word.or(9n, Word.or(9n, Word.and(9n, ih, Word.zero(9n)), Word.and(9n, Word.zero(9n), bh)), ah), ah, bits.nonroot(32n, il, bl, al), bits.nonroot(9n, ih, bh, ah))