From b67c41fa70aee562b40af5e295ce123d0d6f2bfb Mon Sep 17 00:00:00 2001
From: Lynnesbian <lynne@bune.city>
Date: Fri, 27 Sep 2024 09:20:11 +1000
Subject: [PATCH] Gate SSE41 and AVX2 vectorisation behind x86/64

---
 src/decode.rs | 1 -
 src/encode.rs | 1 -
 src/lib.rs    | 3 ++-
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/decode.rs b/src/decode.rs
index b1ded82..86c5bd8 100644
--- a/src/decode.rs
+++ b/src/decode.rs
@@ -120,7 +120,6 @@ pub fn hex_check_with_case(src: &[u8], check_case: CheckCase) -> bool {
         match crate::vectorization_support() {
             crate::Vectorization::Neon => unsafe { hex_check_neon_with_case(src, check_case) },
             crate::Vectorization::None => hex_check_fallback_with_case(src, check_case),
-            _ => unreachable!(),
         }
     }
 
diff --git a/src/encode.rs b/src/encode.rs
index b888728..a5234a2 100644
--- a/src/encode.rs
+++ b/src/encode.rs
@@ -110,7 +110,6 @@ pub fn hex_encode_custom<'a>(
         match crate::vectorization_support() {
             crate::Vectorization::Neon => unsafe { hex_encode_neon(src, dst, upper_case) },
             crate::Vectorization::None => hex_encode_custom_case_fallback(src, dst, upper_case),
-            _ => unreachable!(),
         }
         // Safety: We just wrote valid utf8 hex string into the dst
         return Ok(unsafe { mut_str(dst) });
diff --git a/src/lib.rs b/src/lib.rs
index 97288c0..badfd0e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -40,7 +40,9 @@ pub use crate::decode::{hex_check_neon, hex_check_neon_with_case};
 #[cfg_attr(feature = "defmt-03", derive(defmt::Format))]
 pub(crate) enum Vectorization {
     None = 0,
+    #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
     SSE41 = 1,
+    #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
     AVX2 = 2,
     #[cfg(target_arch = "aarch64")]
     Neon = 3,
@@ -199,7 +201,6 @@ mod tests {
             Vectorization::None => assert!(
                 !cfg!(target_feature = "neon") || !std::arch::is_aarch64_feature_detected!("neon")
             ),
-            _ => unreachable!(),
         }
 
         #[cfg(not(any(target_arch = "x86", target_arch = "x86_64", target_arch = "aarch64")))]