From d30cf438f1f23c3c6e73fc01b7b2d720592e2476 Mon Sep 17 00:00:00 2001
From: serge-sans-paille <sergesanspaille@free.fr>
Date: Mon, 11 May 2026 09:54:21 +0200
Subject: [PATCH] [neon] Fix incorrect guard for system headers on Windows

One need to cope with windows/non-windows header as well as
clang-cl/msvc compatibility.

Courtesy to @komainu8 and @mtl1979 for the patch.

Fix #1346
---
 include/xsimd/types/xsimd_neon_register.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/xsimd/types/xsimd_neon_register.hpp b/include/xsimd/types/xsimd_neon_register.hpp
index aef4bc0d9..82e27a986 100644
--- a/include/xsimd/types/xsimd_neon_register.hpp
+++ b/include/xsimd/types/xsimd_neon_register.hpp
@@ -18,7 +18,7 @@
 #include "./xsimd_register.hpp"
 
 #if XSIMD_WITH_NEON
-#if defined(_WIN32) && XSIMD_WITH_NEON64
+#if defined(_MSC_VER) && !defined(__clang__) && XSIMD_WITH_NEON64
 #include <arm64_neon.h>
 #else
 #include <arm_neon.h>