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Simplify signed leading_ones/trailing_ones

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This commit is contained in:
Caleb Zulawski 2023-08-01 07:58:44 -04:00
parent b1245ffb12
commit c948b703ff
1 changed files with 4 additions and 6 deletions
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10
crates/core_simd/src/elements/int.rs
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@ -213,7 +213,7 @@ pub trait SimdInt: Copy + Sealed {
} }
macro_rules! impl_trait { macro_rules! impl_trait {
{ $($ty:ident ($unsigned:ident)),* } => { { $($ty:ty),* } => {
$( $(
impl<const LANES: usize> Sealed for Simd<$ty, LANES> impl<const LANES: usize> Sealed for Simd<$ty, LANES>
where where
@ -353,18 +353,16 @@ fn trailing_zeros(self) -> Self {
#[inline] #[inline]
fn leading_ones(self) -> Self { fn leading_ones(self) -> Self {
use crate::simd::SimdUint; (!self).leading_zeros()
self.cast::<$unsigned>().leading_ones().cast()
} }
#[inline] #[inline]
fn trailing_ones(self) -> Self { fn trailing_ones(self) -> Self {
use crate::simd::SimdUint; (!self).trailing_zeros()
self.cast::<$unsigned>().trailing_ones().cast()
} }
} }
)* )*
} }
} }
impl_trait! { i8 (u8), i16 (u16), i32 (u32), i64 (u64), isize (usize) } impl_trait! { i8, i16, i32, i64, isize }