`bit.exact_xor`¶

note: pad 2 is needed, but pad 8 is used for wflips-padding optimization and for smaller wflips.
dst(bit_address) ^= src
dst,src are bits.

Signature¶

def exact_xor dst, src @ base_jump_label, cleanup { ... }

Defined in bit/logics.fj — lines 23–31 (view on GitHub).

Complexity¶

Time: @-1
Space: @-1

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

Source¶

Click to view the macro body

def exact_xor dst, src @ base_jump_label, cleanup {
    wflip src+w, base_jump_label, src
    pad 8
  base_jump_label:
    ;cleanup
    dst;
  cleanup:
    wflip src+w, base_jump_label
}

Used by¶

bit.xor/2

Example uses¶

bit.xor in bit/logics.fj

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