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-rw-r--r--third_party/rust/packed_simd/src/codegen/vPtr.rs35
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);