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macro_rules! impl_from_cast_ {
($id:ident[$test_tt:tt]: $from_ty:ident) => {
impl crate::api::cast::FromCast<$from_ty> for $id {
#[inline]
fn from_cast(x: $from_ty) -> Self {
use crate::llvm::simd_cast;
debug_assert_eq!($from_ty::lanes(), $id::lanes());
Simd(unsafe { simd_cast(x.0) })
}
}
test_if!{
$test_tt:
paste::item! {
pub mod [<$id _from_cast_ $from_ty>] {
use super::*;
#[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn test() {
assert_eq!($id::lanes(), $from_ty::lanes());
}
}
}
}
};
}
macro_rules! impl_from_cast {
($id:ident[$test_tt:tt]: $($from_ty:ident),*) => {
$(
impl_from_cast_!($id[$test_tt]: $from_ty);
)*
}
}
macro_rules! impl_from_cast_mask_ {
($id:ident[$test_tt:tt]: $from_ty:ident) => {
impl crate::api::cast::FromCast<$from_ty> for $id {
#[inline]
fn from_cast(x: $from_ty) -> Self {
debug_assert_eq!($from_ty::lanes(), $id::lanes());
x.ne($from_ty::default())
.select($id::splat(true), $id::splat(false))
}
}
test_if!{
$test_tt:
paste::item! {
pub mod [<$id _from_cast_ $from_ty>] {
use super::*;
#[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn test() {
assert_eq!($id::lanes(), $from_ty::lanes());
let x = $from_ty::default();
let m: $id = x.cast();
assert!(m.none());
}
}
}
}
};
}
macro_rules! impl_from_cast_mask {
($id:ident[$test_tt:tt]: $($from_ty:ident),*) => {
$(
impl_from_cast_mask_!($id[$test_tt]: $from_ty);
)*
}
}
#[allow(unused)]
macro_rules! impl_into_cast {
($id:ident[$test_tt:tt]: $($from_ty:ident),*) => {
$(
impl_from_cast_!($from_ty[$test_tt]: $id);
)*
}
}