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Update to current nightly portable_simd #3

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Update to current nightly portable_simd #3

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4 changes: 2 additions & 2 deletions src/simd.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,7 @@ where

let lo = shifted.cast::<u8>();
let hi = (shifted >> Simd::splat(8)).cast::<u8>();
let decoded_chunks = lo | hi.rotate_lanes_left::<1>();
let decoded_chunks = lo | hi.rotate_elements_left::<1>();

let output = swizzle!(N; decoded_chunks, array!(N; |i| i + i / 3));

Expand All @@ -158,7 +158,7 @@ where

// Note that we also need to undo the rotate we did to `hi`.
let lo = data & mask;
let hi = (data & !mask).rotate_lanes_right::<1>();
let hi = (data & !mask).rotate_elements_right::<1>();

// Interleave the shuffled pieces and undo the shift.
let shifted = lo.cast::<u16>() | (hi.cast::<u16>() << Simd::splat(8));
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10 changes: 5 additions & 5 deletions src/util.rs
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Expand Up @@ -75,23 +75,23 @@ macro_rules! swizzle {
($N:ident; $x:expr, $index:expr) => {{
use std::simd::*;
struct Swz;
impl<const $N: usize> Swizzle2<$N, $N> for Swz
impl<const $N: usize> Swizzle<$N> for Swz
where
LaneCount<$N>: SupportedLaneCount,
{
const INDEX: [Which; $N] = {
const INDEX: [usize; $N] = {
let index = $index;
array!($N; |i| {
let i = index[i];
if i >= $N {
Which::Second(0)
$N
} else {
Which::First(i)
i
}
})
};
}

Swz::swizzle2($x, Simd::splat(0))
Swz::concat_swizzle($x, Simd::splat(0))
}};
}