Support for "multiply high" instruction, see BN_UMULT_HIGH comment in

[openssl.git] / crypto / md32_common.h

diff --git a/crypto/md32_common.h b/crypto/md32_common.h
index 5e62d405232a8bf12499e00c652f24bdde9e3657..a5b838442b398eb32ac7b901736fe50c850844de 100644 (file)
--- a/crypto/md32_common.h
+++ b/crypto/md32_common.h
@@ -182,7 +182,14 @@
 # if defined(_MSC_VER)
 #  define ROTATE(a,n)  _lrotl(a,n)
 # elif defined(__MWERKS__)
-#  define ROTATE(a,n)  __rol(a,n)
+#  if defined(__POWERPC__)
+#   define ROTATE(a,n) __rlwinm(a,n,0,31)
+#  elif defined(__MC68K__)
+    /* Motorola specific tweak. <appro@fy.chalmers.se> */
+#   define ROTATE(a,n) ( n<24 ? __rol(a,n) : __ror(a,32-n) )
+#  else
+#   define ROTATE(a,n) __rol(a,n)
+#  endif
 # elif defined(__GNUC__) && __GNUC__>=2 && !defined(NO_ASM)
   /*
    * Some GNU C inline assembler templates. Note that these are