New upstream version 1.52.1+dfsg1

[rustc.git] / vendor / packed_simd / src / codegen / vPtr.rs

diff --git a/vendor/packed_simd/src/codegen/vPtr.rs b/vendor/packed_simd/src/codegen/vPtr.rs
new file mode 100644 (file)
index 0000000..1f2bc77
--- /dev/null
+++ b/vendor/packed_simd/src/codegen/vPtr.rs
@@ -0,0 +1,33 @@
+//! 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>($(crate $tys),*);
+        //^^^^^^^ leaked through SimdArray
+
+        impl<$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::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);