Fix subleaf in Intel CPUID

Author: AntoinePrv

include/xsimd/config/xsimd_cpu_features_x86.hpp

@@ -523,16 +523,11 @@ namespace xsimd
         inline cpuid_reg_t x86_cpuid(int leaf, int subleaf) noexcept
         {
             cpuid_reg_t reg = {};
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
             int buf[4];
             __cpuidex(buf, leaf, subleaf);
             std::memcpy(reg.data(), buf, sizeof(buf));
 
-#elif defined(__INTEL_COMPILER)
-            int buf[4];
-            __cpuid(buf, leaf);
-            std::memcpy(reg.data(), buf, sizeof(buf));
-
 #elif defined(__GNUC__) || defined(__clang__)
 
 #if defined(__i386__) && defined(__PIC__)