From 8cd59562e94881d17bd98dbb155d3b5b6e07e52b Mon Sep 17 00:00:00 2001
From: Naveen Regulla <nregulla@qti.qualcomm.com>
Date: Fri, 13 Mar 2026 14:09:48 +0530
Subject: [PATCH] Add Windows ARM64/ARM64EC intrinsics support and fix build
 failures

---
 cyCore.h | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/cyCore.h b/cyCore.h
index c661e77..83036ee 100644
--- a/cyCore.h
+++ b/cyCore.h
@@ -52,9 +52,18 @@
 #include <type_traits>
 #include <limits>
 
-#if !defined(CY_NO_INTRIN_H) && !defined(CY_NO_EMMINTRIN_H) && !defined(CY_NO_IMMINTRIN_H)
-# include <immintrin.h>
-#endif
+#if !defined(CY_NO_INTRIN_H)
+	#if defined(_M_ARM64) || defined(_M_ARM64EC)
+		#include <intrin.h>
+		#if !defined(CY_NO_ARM_NEON_H)
+			#include <arm64_neon.h>
+		#endif
+	#elif defined(_M_X64) || defined(_M_IX86)
+		#if !defined(CY_NO_IMMINTRIN_H) && !defined(CY_NO_EMMINTRIN_H)
+			#include <immintrin.h>
+		#endif
+	#endif
+#endif // !defined(CY_NO_INTRIN_H)
 
 //-------------------------------------------------------------------------------
 namespace cy {