faster 0.5.2

Explicit SIMD for humans
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// This file is part of faster, the SIMD library for humans.
// Copyright 2017 Adam Niederer <adam.niederer@gmail.com>

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

use crate::arch::current::vecs::*;
use crate::intrin::destride::*;

impl Destride for u8x16 {
    #[inline(always)]
    fn destride_two(self, other: Self) -> (Self, Self) {
        destride_two_polyfill!(self, other, 0, 2, 4, 6, 8, 10, 12, 14)
    }

    #[inline(always)]
    fn destride_four(self, b: Self, c: Self, d: Self) -> (Self, Self, Self, Self) {
        destride_four_polyfill!(self, b, c, d, 0, 4, 8, 12)
    }
}

impl Destride for u8x32 {
    #[inline(always)]
    fn destride_two(self, other: Self) -> (Self, Self) {
        destride_two_polyfill!(self, other, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30)
    }

    #[inline(always)]
    fn destride_four(self, b: Self, c: Self, d: Self) -> (Self, Self, Self, Self) {
        destride_four_polyfill!(self, b, c, d, 0, 4, 8, 12, 16, 20, 24, 28)
    }
}

impl Destride for i8x16 {
    #[inline(always)]
    fn destride_two(self, other: Self) -> (Self, Self) {
        destride_two_polyfill!(self, other, 0, 2, 4, 6, 8, 10, 12, 14)
    }

    #[inline(always)]
    fn destride_four(self, b: Self, c: Self, d: Self) -> (Self, Self, Self, Self) {
        destride_four_polyfill!(self, b, c, d, 0, 4, 8, 12)
    }
}

impl Destride for i8x32 {
    #[inline(always)]
    fn destride_two(self, other: Self) -> (Self, Self) {
        destride_two_polyfill!(self, other, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30)
    }

    #[inline(always)]
    fn destride_four(self, b: Self, c: Self, d: Self) -> (Self, Self, Self, Self) {
        destride_four_polyfill!(self, b, c, d, 0, 4, 8, 12, 16, 20, 24, 28)
    }
}

macro_rules! impl_destride {
    ($t:ty, $($two:expr, $four:expr),*) => {
        impl Destride for $t {
            #[inline(always)]
            fn destride_two(self, other: Self) -> (Self, Self) {
                destride_two_polyfill!(self, other, $($two, $four),*)
            }

            #[inline(always)]
            fn destride_four(self, b: Self, c: Self, d: Self) -> (Self, Self, Self, Self) {
                destride_four_polyfill!(self, b, c, d, $($two),*)
            }
        }
    }
}

impl_destride!(u16x16, 0, 2, 4, 6, 8, 10, 12, 14);
impl_destride!(u16x8, 0, 2, 4, 6);
impl_destride!(i16x16, 0, 2, 4, 6, 8, 10, 12, 14);
impl_destride!(i16x8, 0, 2, 4, 6);

impl_destride!(u32x8, 0, 2, 4, 6);
impl_destride!(u32x4, 0, 2);
impl_destride!(i32x8, 0, 2, 4, 6);
impl_destride!(i32x4, 0, 2);