Fix missing Detection for AVX OS Support

2018-03-23 23:08:13 +01:00
parent 32d38a4633
commit c5caaa9211
2 changed files with 14 additions and 3 deletions
@@ -16,6 +16,17 @@ namespace utils
 		return {0u+regs[0], 0u+regs[1], 0u+regs[2], 0u+regs[3]};
 	}

+	inline u64 get_xgetbv(u32 xcr)
+	{
+#ifdef _MSC_VER
+		return _xgetbv(xcr);
+#else
+		u32 eax, edx;
+		__asm__ volatile( "xgetbv" : "=a"(eax), "=d"(edx) : "c"(xcr));
+		return eax | (u64(edx) << 32);
+#endif
+	}
+
 	bool has_ssse3();

 	bool has_avx();