diff options
Diffstat (limited to 'third_party/rust/packed_simd/src/codegen/vPtr.rs')
-rw-r--r-- | third_party/rust/packed_simd/src/codegen/vPtr.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/third_party/rust/packed_simd/src/codegen/vPtr.rs b/third_party/rust/packed_simd/src/codegen/vPtr.rs new file mode 100644 index 0000000000..abd3aa8779 --- /dev/null +++ b/third_party/rust/packed_simd/src/codegen/vPtr.rs @@ -0,0 +1,35 @@ +//! Pointer vector types + +macro_rules! impl_simd_ptr { + ([$ptr_ty:ty; $elem_count:expr]: $tuple_id:ident | $ty:ident + | $($tys:ty),*) => { + #[derive(Copy, Clone)] + #[repr(simd)] + pub struct $tuple_id<$ty>($(pub(crate) $tys),*); + //^^^^^^^ leaked through SimdArray + + impl<$ty> crate::sealed::Seal for [$ptr_ty; $elem_count] {} + impl<$ty> crate::sealed::SimdArray for [$ptr_ty; $elem_count] { + type Tuple = $tuple_id<$ptr_ty>; + type T = $ptr_ty; + const N: usize = $elem_count; + type NT = [u32; $elem_count]; + } + + impl<$ty> crate::sealed::Seal for $tuple_id<$ptr_ty> {} + impl<$ty> crate::sealed::Simd for $tuple_id<$ptr_ty> { + type Element = $ptr_ty; + const LANES: usize = $elem_count; + type LanesType = [u32; $elem_count]; + } + + } +} + +impl_simd_ptr!([*const T; 2]: cptrx2 | T | T, T); +impl_simd_ptr!([*const T; 4]: cptrx4 | T | T, T, T, T); +impl_simd_ptr!([*const T; 8]: cptrx8 | T | T, T, T, T, T, T, T, T); + +impl_simd_ptr!([*mut T; 2]: mptrx2 | T | T, T); +impl_simd_ptr!([*mut T; 4]: mptrx4 | T | T, T, T, T); +impl_simd_ptr!([*mut T; 8]: mptrx8 | T | T, T, T, T, T, T, T, T); |