1 files changed, 82 insertions, 0 deletions
diff --git a/vendor/packed_simd_2/src/api/cast/macros.rs b/vendor/packed_simd_2/src/api/cast/macros.rs
new file mode 100644
index 000000000..3bb29f0b8
--- /dev/null
+++ b/vendor/packed_simd_2/src/api/cast/macros.rs
@@ -0,0 +1,82 @@
+//! Macros implementing `FromCast`
+
+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);
+        )*
+    }
+}