Added missing impl

src/compute/comparison/simd/packed.rs

@@ -2,7 +2,7 @@ use std::convert::TryInto;
 use std::simd::{SimdPartialEq, SimdPartialOrd, ToBitMask};
 
 use crate::types::simd::*;
-use crate::types::{days_ms, f16, months_days_ns};
+use crate::types::{days_ms, f16, i256, months_days_ns};
 
 use super::*;
 
@@ -71,6 +71,7 @@ simd8!(i16, i16x8);
 simd8!(i32, i32x8);
 simd8!(i64, i64x8);
 simd8_native_all!(i128);
+simd8_native_all!(i256);
 simd8_native!(f16);
 simd8_native_partial_eq!(f16);
 simd8!(f32, f32x8);

src/types/native.rs

@@ -587,6 +587,16 @@ impl NativeType for i256 {
         let b = i128::from_be_bytes(b);
         Self(ethnum::I256::from_words(a, b))
     }
+
+    #[inline]
+    fn from_le_bytes(bytes: Self::Bytes) -> Self {
+        let (b, a) = bytes.split_at(16);
+        let a: [u8; 16] = a.try_into().unwrap();
+        let b: [u8; 16] = b.try_into().unwrap();
+        let a = i128::from_le_bytes(a);
+        let b = i128::from_le_bytes(b);
+        Self(ethnum::I256::from_words(a, b))
+    }
 }
 
 #[cfg(test)]