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Manually implement some traits, instead of derive

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This commit is contained in:
Caleb Zulawski 2020-09-26 14:12:30 -04:00
parent 167c3c8100
commit d817b56f1d
1 changed files with 27 additions and 2 deletions
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29
crates/core_simd/src/macros.rs
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@ -138,6 +138,32 @@ macro_rules! call_counting_args {
/// Implements common traits on the specified vector `$name`, holding multiple `$lanes` of `$type`.
macro_rules! base_vector_traits {
{ $name:path => [$type:ty; $lanes:literal] } => {
impl Copy for $name {}
impl Clone for $name {
fn clone(&self) -> Self {
*self
}
}
impl Default for $name {
fn default() -> Self {
Self::splat(<$type>::default())
}
}
impl PartialEq for $name {
fn eq(&self, other: &Self) -> bool {
AsRef::<[$type]>::as_ref(self) == AsRef::<[$type]>::as_ref(other)
}
}
impl PartialOrd for $name {
fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
AsRef::<[$type]>::as_ref(self).partial_cmp(AsRef::<[$type]>::as_ref(other))
}
}
// array references
impl AsRef<[$type; $lanes]> for $name {
#[inline]
@ -196,7 +222,6 @@ macro_rules! define_vector {
{ def $(#[$attr:meta])* | $name:ident | $($itype:ty)* } => {
$(#[$attr])*
#[allow(non_camel_case_types)]
#[derive(Copy, Clone, Default, PartialEq, PartialOrd)]
#[repr(simd)]
pub struct $name($($itype),*);
};
@ -233,7 +258,7 @@ macro_rules! define_mask_vector {
{ def $(#[$attr:meta])* | $name:ident | $($itype:ty)* } => {
$(#[$attr])*
#[allow(non_camel_case_types)]
#[derive(Copy, Clone, Default, PartialEq, PartialOrd, Eq, Ord)]
#[derive(Eq, Ord)]
#[repr(simd)]
pub struct $name($($itype),*);
};