1 files changed, 5 insertions, 3 deletions

diff --git a/src/lib/libcrypto/rand/rand_win.c b/src/lib/libcrypto/rand/rand_win.c
index 9f2dcff9a9..3d137badd0 100644
--- a/src/lib/libcrypto/rand/rand_win.c
+++ b/src/lib/libcrypto/rand/rand_win.c
@@ -570,14 +570,15 @@ static void readtimer(void)
         DWORD w;
         LARGE_INTEGER l;
         static int have_perfc = 1;
-#ifndef __GNUC__
+#ifdef _MSC_VER
         static int have_tsc = 1;
         DWORD cyclecount;
 
         if (have_tsc) {
           __try {
             __asm {
-              rdtsc
+              _emit 0x0f
+              _emit 0x31
               mov cyclecount, eax
               }
             RAND_add(&cyclecount, sizeof(cyclecount), 1);
@@ -725,8 +726,9 @@ int RAND_poll(void)
 
 #ifdef DEVRANDOM
         return 1;
-#endif
+#else
         return 0;
+#endif
 }
 
 #endif