Re: [MiNT] M68020 bn_asm

["Howard Chu" <hyc@highlandsun.com>]

I just checked the 68060 user manual, you're right. That means the plain
68000 code is needed on the 68060. (What a crock...)

  -- Howard Chu
  Chief Architect, Symas Corp.       Director, Highland Sun
  http://www.symas.com               http://highlandsun.com/hyc
  Symas: Premier OpenSource Development and Support 

> -----Original Message-----
> From: mint-bounce@lists.fishpool.fi
> [mailto:mint-bounce@lists.fishpool.fi]On Behalf Of Richard Zidlicky
> Sent: Tuesday, February 19, 2002 9:58 AM
> To: openssl-dev@openssl.org
> Cc: mint@fishpool.com
> Subject: Re: [MiNT] M68020 bn_asm
> 
> 
> On Mon, Feb 18, 2002 at 11:43:56AM -0800, Howard Chu wrote:
> > Here is a more thorough assembly implementation of bn_asm for 
> Motorola 680x0
> > processors. On a 68030 the RSA/DSA test is over 4x faster than 
> gcc -O3 code.
> > I am releasing this version under the terms of the OpenSSL license.
> 
> thanks, I will test it on linux-m68k as soon as my CPU will have 
> a few spare cycles.
> 
> One thing I have noted, you use the 64 bit variants of mul/div in 
> many places. This will probbaly make the code much slower than gcc
> generated code on 68060 CPUs as they do not implemente this insns 
> in hardware and need to emulate them in the OS.
> 
> Bye
> Richard
>