From 5f40fc042be6499caf29f4da629fe7cb5ea1cac3 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Sat, 1 Aug 2020 08:45:13 -0700
Subject: Windows platform: fixed ARM compilation issue

---
 Platforms/Win32/interface/Win32PlatformMisc.hpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Platforms/Win32/interface/Win32PlatformMisc.hpp b/Platforms/Win32/interface/Win32PlatformMisc.hpp
index c3e27865..f972e360 100644
--- a/Platforms/Win32/interface/Win32PlatformMisc.hpp
+++ b/Platforms/Win32/interface/Win32PlatformMisc.hpp
@@ -108,14 +108,20 @@ struct WindowsMisc : public BasicPlatformMisc
 
     inline static Diligent::Uint32 CountOneBits(Diligent::Uint32 Val)
     {
+#if _M_ARM
+        auto Bits = _CountOneBits(Val);
+#else
         auto Bits = __popcnt(Val);
+#endif
         VERIFY_EXPR(Bits == BasicPlatformMisc::CountOneBits(Val));
         return Bits;
     }
 
     inline static Diligent::Uint32 CountOneBits(Diligent::Uint64 Val)
     {
-#if _WIN64
+#if _M_ARM
+        auto Bits = _CountOneBits64(Val);
+#elif _WIN64
         auto Bits = __popcnt64(Val);
 #else
         auto Bits =
-- 
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