Better support for different and unknown architectures

shogun-toolbox · Apr 30, 2017 · 06e1905 · 06e1905
1 parent df0eb1c
commit 06e1905
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/src/shogun/lib/cpu.h b/src/shogun/lib/cpu.h
@@ -37,8 +37,18 @@ SG_FORCED_INLINE static void CpuRelax()
 {
 #ifdef _MSC_VER
         _mm_pause();
+#elif defined(__i386__) || defined(__x86_64__)
+        asm volatile("pause");
+#elif defined(__arm__) || defined(__aarch64__)
+        asm volatile("yield");
+#elif defined(__powerpc__) || defined(__ppc__)
+        asm volatile("or 27,27,27");
+#elif defined(__s390__) || defined(__s390x__)
+        asm volatile("": : :"memory");
 #else
-        asm("pause");
+        static uint32_t bar = 13;
+        static uint32_t *foo = &bar;
+        for (int i = 0; i < 100000; i++) {*foo = (*foo * 33) + 17;}
 #endif
 }