crypto/ppccap.c: add SIGILL-free processor capability detection code.

[openssl.git] / crypto / ppc_arch.h

diff --git a/crypto/ppc_arch.h b/crypto/ppc_arch.h
index b50ec996a5a3b4a4af04ce43007614f7448f1931..c0b4f1846bbd1110cb6c510f7fe642f267e4f494 100644 (file)
--- a/crypto/ppc_arch.h
+++ b/crypto/ppc_arch.h
@@ -3,8 +3,14 @@
 
 extern unsigned int OPENSSL_ppccap_P;
 
+/*
+ * 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)
 
 #endif