nim-stint/stint/private/int_bitwise_ops.nim

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Nim

# Stint
# Copyright 2018 Status Research & Development GmbH
# Licensed under either of
#
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
#
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import ./datatypes, ./as_words
func `not`*(x: IntImpl): IntImpl {.inline.}=
## Bitwise complement of unsigned integer x
for wr, wx in asWords(result, x):
wr = not wx
func `or`*(x, y: IntImpl): IntImpl {.inline.}=
## `Bitwise or` of numbers x and y
for wr, wx, wy in asWords(result, x, y):
wr = wx or wy
func `and`*(x, y: IntImpl): IntImpl {.inline.}=
## `Bitwise and` of numbers x and y
for wr, wx, wy in asWords(result, x, y):
wr = wx and wy
func `xor`*(x, y: IntImpl): IntImpl {.inline.}=
## `Bitwise xor` of numbers x and y
for wr, wx, wy in asWords(result, x, y):
wr = wx xor wy