From 45cb4b144f220bc5784ec28400180ac4a25b20ae Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sun, 8 Oct 2017 21:02:09 +0200
Subject: [PATCH] Add bit counter.

---
 server/TracyView.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index d2d95e7f..73d6da77 100755
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -24,6 +24,19 @@
 #  include "../nfd/nfd.h"
 #endif
 
+#ifdef _MSC_VER
+#  include <intrin.h>
+#  define CountBits __popcnt64
+#else
+static int CountBits( uint64_t i )
+{
+    i = i - ( (i >> 1) & 0x5555555555555555 );
+    i = ( i & 0x3333333333333333 ) + ( (i >> 2) & 0x3333333333333333 );
+    i = ( (i + (i >> 4) ) & 0x0F0F0F0F0F0F0F0F );
+    return ( i * (0x0101010101010101) ) >> 56;
+}
+#endif
+
 namespace tracy
 {