Don't use rdrand engine as default unless explicitly requested.

[openssl.git] / crypto / ppccap.c

diff --git a/crypto/ppccap.c b/crypto/ppccap.c
index 531f1b3be84005d74075e0445b198f42da13b87d..d78bfbcdbb88265e1906ba03fa1b92280dcc9f34 100644 (file)
--- a/crypto/ppccap.c
+++ b/crypto/ppccap.c
@@ -4,7 +4,7 @@
 #include <setjmp.h>
 #include <signal.h>
 #include <unistd.h>
-#ifdef __linux
+#if defined(__linux) || defined(_AIX)
 #include <sys/utsname.h>
 #endif
 #include <crypto.h>
@@ -13,7 +13,7 @@
 #define PPC_FPU64      (1<<0)
 #define PPC_ALTIVEC    (1<<1)
 
-static int OPENSSL_ppccap_P = 0;
+unsigned int OPENSSL_ppccap_P = 0;
 
 static sigset_t all_masked;
 
@@ -25,7 +25,7 @@ int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_U
 
        if (sizeof(size_t)==4)
                {
-#if (defined(__APPLE__) && defined(__MACH__))
+#if 1 || (defined(__APPLE__) && defined(__MACH__))
                if (num>=8 && (num&3)==0 && (OPENSSL_ppccap_P&PPC_FPU64))
                        return bn_mul_mont_fpu64(rp,ap,bp,np,n0,num);
 #else
@@ -88,12 +88,14 @@ void OPENSSL_cpuid_setup(void)
        OPENSSL_ppccap_P = 0;
 
 #if defined(_AIX)
-       if (sizeof(size_t)==4
+       if (sizeof(size_t)==4)
+               {
+               struct utsname uts;
 # if defined(_SC_AIX_KERNEL_BITMODE)
-           && sysconf(_SC_AIX_KERNEL_BITMODE)!=64
+               if (sysconf(_SC_AIX_KERNEL_BITMODE)!=64)        return;
 # endif
-          )
-               return;
+               if (uname(&uts)!=0 || atoi(uts.version)<6)      return;
+               }
 #endif
 
        memset(&ill_act,0,sizeof(ill_act));