Relax requirement for widening multiply implementation

The specialized instructions are already available with `sse2`.
rust-random · Oct 15, 2020 · c42d027 · c42d027
1 parent fe34550
commit c42d027
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/distributions/utils.rs b/src/distributions/utils.rs
@@ -160,7 +160,7 @@ mod simd_wmul {
 
     wmul_impl! { (u16x2, u32x2),, 16 }
     wmul_impl! { (u16x4, u32x4),, 16 }
-    #[cfg(not(target_feature = "sse4.2"))]
+    #[cfg(not(target_feature = "sse2"))]
     wmul_impl! { (u16x8, u32x8),, 16 }
     #[cfg(not(target_feature = "avx2"))]
     wmul_impl! { (u16x16, u32x16),, 16 }
@@ -185,7 +185,7 @@ mod simd_wmul {
         };
     }
 
-    #[cfg(target_feature = "sse4.2")]
+    #[cfg(target_feature = "sse2")]
     wmul_impl_16! { u16x8, __m128i, _mm_mulhi_epu16, _mm_mullo_epi16 }
     #[cfg(target_feature = "avx2")]
     wmul_impl_16! { u16x16, __m256i, _mm256_mulhi_epu16, _mm256_mullo_epi16 }