Fix no-std builds

nervosnetwork · Sep 17, 2024 · b956608 · b956608
1 parent 6d33a11
commit b956608
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/lib.rs b/src/lib.rs
@@ -156,11 +156,14 @@ unsafe fn avx2_support_no_cache_x86() -> bool {
 #[cfg(target_arch = "aarch64")]
 #[cold]
 fn vectorization_support_no_cache_arm() -> Vectorization {
-    #[cfg(target_arch = "aarch64")]
+    #[cfg(feature = "std")]
     if std::arch::is_aarch64_feature_detected!("neon") {
         return Vectorization::Neon;
     }
+    #[cfg(target_feature = "neon")]
+    return Vectorization::Neon;
 
+    #[allow(unreachable_code)]
     Vectorization::None
 }