Manually implement some traits, instead of derive

[rust.git] / crates / core_simd / src / macros.rs

diff --git a/crates/core_simd/src/macros.rs b/crates/core_simd/src/macros.rs
index 33541899ca36cc8d0094564c80641b77321dbbbd..ecf2b76ceb0d315a33cb4388f6cfb3c896f824f7 100644 (file)
--- a/crates/core_simd/src/macros.rs
+++ b/crates/core_simd/src/macros.rs
@@ -135,60 +135,35 @@ macro_rules! call_counting_args {
     };
 }
 
-/// Calls the macro `$mac` with the specified `$args` followed by counting values from 0 to the
-/// specified value.
-macro_rules! call_counting_values {
-    { 1 => $mac:path => $($args:tt)* } => {
-        $mac! {
-            $($args)*
-            0
-        }
-    };
-    { 2 => $mac:path => $($args:tt)* } => {
-        $mac! {
-            $($args)*
-            0 1
-        }
-    };
-    { 4 => $mac:path => $($args:tt)* } => {
-        $mac! {
-            $($args)*
-            0 1 2 3
-        }
-    };
-    { 8 => $mac:path => $($args:tt)* } => {
-        $mac! {
-            $($args)*
-            0 1 2 3 4 5 6 7
+/// Implements common traits on the specified vector `$name`, holding multiple `$lanes` of `$type`.
+macro_rules! base_vector_traits {
+    { $name:path => [$type:ty; $lanes:literal] } => {
+        impl Copy for $name {}
+
+        impl Clone for $name {
+            fn clone(&self) -> Self {
+                *self
+            }
         }
-    };
-    { 16 => $mac:path => $($args:tt)* } => {
-        $mac! {
-            $($args)*
-            0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+
+        impl Default for $name {
+            fn default() -> Self {
+                Self::splat(<$type>::default())
+            }
         }
-    };
-    { 32 => $mac:path => $($args:tt)* } => {
-        $mac! {
-            $($args)*
-            0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15
-            16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
+
+        impl PartialEq for $name {
+            fn eq(&self, other: &Self) -> bool {
+                AsRef::<[$type]>::as_ref(self) == AsRef::<[$type]>::as_ref(other)
+            }
         }
-    };
-    { 64 => $mac:path => $($args:tt)* } => {
-        $mac! {
-            $($args)*
-            0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15
-            16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
-            32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
-            48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
+
+        impl PartialOrd for $name {
+            fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+                AsRef::<[$type]>::as_ref(self).partial_cmp(AsRef::<[$type]>::as_ref(other))
+            }
         }
-    };
-}
 
-/// Implements common traits on the specified vector `$name`, holding multiple `$lanes` of `$type`.
-macro_rules! base_vector_traits {
-    { $name:path => [$type:ty; $lanes:literal] } => {
         // array references
         impl AsRef<[$type; $lanes]> for $name {
             #[inline]
@@ -247,7 +222,6 @@ impl $name {
     { def $(#[$attr:meta])* | $name:ident | $($itype:ty)* } => {
         $(#[$attr])*
         #[allow(non_camel_case_types)]
-        #[derive(Copy, Clone, Default, PartialEq, PartialOrd)]
         #[repr(simd)]
         pub struct $name($($itype),*);
     };
@@ -284,7 +258,7 @@ impl $name {
     { def $(#[$attr:meta])* | $name:ident | $($itype:ty)* } => {
         $(#[$attr])*
         #[allow(non_camel_case_types)]
-        #[derive(Copy, Clone, Default, PartialEq, PartialOrd, Eq, Ord)]
+        #[derive(Eq, Ord)]
         #[repr(simd)]
         pub struct $name($($itype),*);
     };