===================================================================
@@ -75,6 +75,16 @@
#define bit_RDSEED (1 << 18)
#define bit_ADX (1 << 19)
+/* Signatures for different CPU implementations as returned in uses
+ of cpuid with level 0. */
+#define signature_INTEL_ebx 0x756e6547
+#define signature_INTEL_ecx 0x6c65746e
+#define signature_INTEL_edx 0x49656e69
+
+#define signature_AMD_ebx 0x68747541
+#define signature_AMD_ecx 0x444d4163
+#define signature_AMD_edx 0x69746e65
+
#if defined(__i386__) && defined(__PIC__)
/* %ebx may be the PIC register. */
#if __GNUC__ >= 3