Replace with ARM64 intrinsics
@@ -35,9 +35,9 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifdef C_MSVC
#include <intrin.h>
-#define MB do {} while (0)
-#define WMB do {} while (0)
-#define RMB
+#define MB __dmb(_ARM64_BARRIER_ISH)
+#define WMB __dmb(_ARM64_BARRIER_ISHST)
+#define RMB __dmb(_ARM64_BARRIER_ISHLD)
#else
#define MB __asm__ __volatile__ ("dmb ish" : : : "memory")
#define WMB __asm__ __volatile__ ("dmb ishst" : : : "memory")
@@ -92,7 +92,12 @@ static void __inline blas_lock(volatile BLASULONG *address){
#if !defined(OS_DARWIN) && !defined (OS_ANDROID)
static __inline BLASULONG rpcc(void){
#ifdef C_MSVC
- return __rdtsc();
+ const int64_t pmccntr_el0 = (((3 & 1) << 14) | // op0
+ ((3 & 7) << 11) | // op1
+ ((9 & 15) << 7) | // crn
+ ((13 & 15) << 3) | // crm
+ ((0 & 7) << 0)); // op2
+ return _ReadStatusReg(pmccntr_el0);
#else
BLASULONG ret = 0;
blasint shift;
