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47 lines
1.4 KiB
47 lines
1.4 KiB
// Copyright 2015 blake2-rfc Developers
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//
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// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
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// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
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// http://opensource.org/licenses/MIT>, at your option. This file may not be
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// copied, modified, or distributed except according to those terms.
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#![allow(unused_macros)]
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#![cfg_attr(feature = "cargo-clippy", allow(inline_always))]
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#[cfg(feature = "simd")]
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macro_rules! transmute_shuffle {
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($tmp:ident, $shuffle:ident, $vec:expr, $idx:expr) => {
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unsafe {
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use simdty::$tmp;
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use simdint::$shuffle;
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use core::mem::transmute;
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let tmp_i: $tmp = transmute($vec);
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let tmp_o: $tmp = $shuffle(tmp_i, tmp_i, $idx);
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transmute(tmp_o)
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}
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}
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}
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#[cfg(feature = "simd")] pub mod u32x4;
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#[cfg(feature = "simd")] pub mod u64x4;
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#[cfg(not(feature = "simd"))]
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macro_rules! simd_opt {
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($vec:ident) => {
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pub mod $vec {
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use simdty::$vec;
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#[inline(always)]
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pub fn rotate_right_const(vec: $vec, n: u32) -> $vec {
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$vec::new(vec.0.rotate_right(n),
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vec.1.rotate_right(n),
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vec.2.rotate_right(n),
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vec.3.rotate_right(n))
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}
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}
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}
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}
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#[cfg(not(feature = "simd"))] simd_opt!(u32x4);
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#[cfg(not(feature = "simd"))] simd_opt!(u64x4);
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