From 7b1135239c575b9d191a1b011d2b94ca80da3b74 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Tue, 3 Oct 2017 15:27:07 +0200
Subject: [PATCH] Use rdtscp when there's no intrinsic.

---
 client/TracyProfiler.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/client/TracyProfiler.hpp b/client/TracyProfiler.hpp
index 33912cc8..fa8769d0 100755
--- a/client/TracyProfiler.hpp
+++ b/client/TracyProfiler.hpp
@@ -46,6 +46,12 @@ public:
         const auto t = int64_t( __rdtscp( &ui ) );
         cpu = (int8_t)ui;
         return t;
+#elif defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64
+        uint64_t eax, edx;
+        unsigned int ui;
+        asm volatile ( "rdtscp" : "=a" (eax), "=d" (edx), "=c" (ui) :: );
+        cpu = (int8_t)ui;
+        return ( edx << 32 ) + eax;
 #else
         cpu = -1;
         return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();