Merge pull request #3834 from bylaws/ec-amd64

Windows: Report as an AMD64 processor when targeting ARM64EC

Source/Windows/Common/CPUFeatures.cpp

@@ -5,7 +5,13 @@
 
 namespace FEX::Windows {
 CPUFeatures::CPUFeatures(FEXCore::Context::Context& CTX) {
+#ifdef _M_ARM_64EC
+  // Report as a 64-bit host for ARM64EC.
+  CpuInfo.ProcessorArchitecture = PROCESSOR_ARCHITECTURE_AMD64;
+#else
+  // Report as a 32-bit host for WoW64.
   CpuInfo.ProcessorArchitecture = PROCESSOR_ARCHITECTURE_INTEL;
+#endif
 
   // Baseline FEX feature-set
   CpuInfo.ProcessorFeatureBits = CPU_FEATURE_VME | CPU_FEATURE_TSC | CPU_FEATURE_CMOV | CPU_FEATURE_PGE | CPU_FEATURE_PSE | CPU_FEATURE_MTRR |