#ifndef __PPC_ARCH_H__
-#define __PPC_ARCH_H__
+# define __PPC_ARCH_H__
extern unsigned int OPENSSL_ppccap_P;
-#define PPC_FPU64 (1<<0)
-#define PPC_ALTIVEC (1<<1)
-#define PPC_CRYPTO207 (1<<2)
+/*
+ * Flags' usage can appear ambiguous, because they are set rather
+ * to reflect OpenSSL performance preferences than actual processor
+ * capabilities.
+ */
+# define PPC_FPU64 (1<<0)
+# define PPC_ALTIVEC (1<<1)
+# define PPC_CRYPTO207 (1<<2)
+# define PPC_FPU (1<<3)
+# define PPC_MADD300 (1<<4)
#endif