Minor fixes

Author: calebzulawski

crates/core_simd/src/lib.rs

@@ -1,6 +1,5 @@
 #![no_std]
 #![feature(
-    core_intrinsics,
     const_intrinsic_copy,
     const_refs_to_cell,
     const_maybe_uninit_as_mut_ptr,

crates/core_simd/src/masks.rs

@@ -33,7 +33,7 @@ mod sealed {
 
         fn eq(self, other: Self) -> bool;
 
-        fn as_usize(self) -> usize;
+        fn to_usize(self) -> usize;
 
         type Unsigned: SimdElement;
 
@@ -65,7 +65,7 @@ macro_rules! impl_element {
             fn eq(self, other: Self) -> bool { self == other }
 
             #[inline]
-            fn as_usize(self) -> usize {
+            fn to_usize(self) -> usize {
                 self as usize
             }
 
@@ -394,7 +394,7 @@ where
         if min_index.eq(T::TRUE) {
             None
         } else {
-            Some(min_index.as_usize())
+            Some(min_index.to_usize())
         }
     }
 }