Test if the CPUID instruction is available.
returns 1 if so, 0 otherwise. */
+/* Only compile this file if we're on a x86 machine. */
+#if defined(__i386__) || defined(__i386) || defined(__x86_64) \
+ || defined(_M_AMD64) || defined(__M_X64)
+
.section .text
.global cpuid_is_supported
.type cpuid_is_supported, @function
ret
.size cpuid_is_supported, .-cpuid_is_supported
+#endif