vsxu_rpi3.diff

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1e61faf..062914d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -166,7 +166,7 @@ if(VSXU_DEBUG)
   add_definitions(
     -g
     -Wall
-    -mtune=nocona
+    -march=armv8-a
     -Wtype-limits
     -fpermissive
     -Wuninitialized
@@ -178,7 +178,7 @@ else(VSXU_DEBUG)
   if (OPTIMIZATION_FLAGS EQUAL 1)
     add_definitions(
       -DVSX_OPTIMIZATIONS=1
-      -mtune=nocona
+      -march=armv8-a
       -lrt 
       -lm 
       -O3
@@ -291,7 +291,7 @@ else(VSXU_DEBUG)
           -ftree-vectorize
           -fipa-cp-clone
 #general
-          -mtune=nocona
+          -march=armv8-a
           -fmessage-length=0
           -fpermissive
           -ffast-math
@@ -364,7 +364,7 @@ else(VSXU_DEBUG)
           -ftree-vectorize
           -fipa-cp-clone
 #general
-          -mtune=nocona
+          -march=armv8-a
           -fmessage-length=0
           -fpermissive
           -ffast-math
@@ -372,7 +372,7 @@ else(VSXU_DEBUG)
     else()
         add_definitions(
           -O3
-          -mtune=nocona
+          -march=armv8-a
           -fmessage-length=0
           -fpermissive
           -finline-functions
diff --git a/profiler/include/vsx_profiler.h b/profiler/include/vsx_profiler.h
index a4a87cf..0e0d070 100644
--- a/profiler/include/vsx_profiler.h
+++ b/profiler/include/vsx_profiler.h
@@ -73,6 +73,11 @@ inline uint64_t vsx_profiler_rdtsc()
   __asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
   return (d<<32) | a;
 }
+#else
+inline uint64_t vsx_profiler_rdtsc()
+{
+  return 0;
+}
 #endif