Butterfly: Final Merge

Flyby11/CpuCheck.cpp

@@ -0,0 +1,15 @@
+// CpuCheck.cpp
+#include "pch.h"
+#include <intrin.h>
+
+extern "C" __declspec(dllexport) bool __cdecl HasPopcnt()
+{
+    int cpuInfo[4] = { 0 };
+    __cpuid(cpuInfo, 1);
+    // Check if the processor supports SSE4.2 (bit 20 of the ECX register)
+    bool hasSSE42 = (cpuInfo[2] & (1 << 20)) != 0;
+    // Check if the processor supports POPCNT (bit 23 of the ECX register)
+    bool hasPOPCNT = (cpuInfo[2] & (1 << 23)) != 0;
+
+    return hasSSE42 && hasPOPCNT;
+}