SDL: Fix build with SVE2 (#15586)

From 11745aad07bfae129253974df0a94f5a77c842db Mon Sep 17 00:00:00 2001
From: Sylvain Becker <[EMAIL REDACTED]>
Date: Thu, 14 May 2026 20:17:53 +0200
Subject: [PATCH] Fix build with SVE2 (#15586)

---
 include/SDL3/SDL_intrin.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/SDL3/SDL_intrin.h b/include/SDL3/SDL_intrin.h
index e723b02c2d4f8..5f90a9c9e6d37 100644
--- a/include/SDL3/SDL_intrin.h
+++ b/include/SDL3/SDL_intrin.h
@@ -288,7 +288,9 @@ _m_prefetch(void *__P)
 #      define __ARM_FEATURE_SVE2 1 /* Set __ARM_FEATURE_SVE2 so that it can be used elsewhere, at compile time */
 #      define __ARM_ARCH 8
 #    endif
-#  elif !defined(SDL_PLATFORM_MACOS)  /* Apple has no AArch64 device supporting SVE2 */
+#  elif defined(SDL_PLATFORM_MACOS)
+/* Apple has no AArch64 device supporting SVE2 */
+#  elif defined(__ARM_ARCH) && (__ARM_ARCH >= 8) && (defined(__aarch64__) || defined(_M_ARM64))
 #    define SDL_SVE2_INTRINSICS 1
 #    include <arm_sve.h>
 #  endif