Fix

Author: Yaraslaut

src/libunicode/simd_detector.cpp

@@ -11,12 +11,12 @@
 // auto max_simd_size() -> size_t;
 
 void cpuid(int32_t out[4], int32_t eax, int32_t ecx);
+#if _WIN32
+__int64 xgetbv(unsigned int x)
+#elif defined(__GNUC__) || defined(__clang__)
 uint64_t xgetbv(unsigned int index);
-enum class Simd_Size
-{
-    sse2,
-    avx,
-};
+#endif
+
 auto detect_os_avx() -> bool;
 auto detect_os_avx512() -> bool;
 
@@ -65,7 +65,7 @@ auto detect_os_avx() -> bool
 
     if (osUsesXSAVE_XRSTORE && cpuAVXSuport)
     {
-        uint64_t const xcrFeatureMask = xgetbv(_XCR_XFEATURE_ENABLED_MASK);
+        auto const xcrFeatureMask = xgetbv(_XCR_XFEATURE_ENABLED_MASK);
         avxSupported = (xcrFeatureMask & 0x6) == 0x6;
     }