bit.cmp (arity 5)

Three-way compare on bits: jumps to lt if a<b, eq if a==b, gt if a>b. a, b are bits; lt, eq, gt are addresses.

Signature

def cmp a, b, lt, eq, gt @ a_is1_label { ... }

Defined in bit/cond_jumps.fj — lines 66–71 (view on GitHub).

Complexity

• Time: 2@+4

• Space: 3@+6

See the complexity glossary for what @, w, dw, dbit, n mean.

Source

Click to view the macro body

def cmp a, b, lt, eq, gt @ a_is1_label {
    .if1 a, a_is1_label
    .if b, eq, lt
  a_is1_label:
    .if b, gt, eq
}

Depends on

• bit.if/3

• bit.if1/2

Used by

• bit._.cmp_next_eq

• bit.cmp/6

Example uses

• bit.cmp in bit/cond_jumps.fj

• bit._.cmp_next_eq in bit/cond_jumps.fj

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