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Date: Sat, 1 Mar 1997 21:00:34 -0400 (AST)
From: The Hermit Hacker <scrappy@hub.org>
To: Amancio Hasty <hasty@rah.star-gate.com>
cc: freebsd-chat@FreeBSD.ORG
Subject: Re: RSA 56-bit key challenge 
In-Reply-To: <199703020031.QAA00365@rah.star-gate.com>
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On Sat, 1 Mar 1997, Amancio Hasty wrote:

> Have you try it with ASM_I486 defined?
>
	Yup, I only changed the -m486 to -mpentium, leaving the
ASM_I486 defined...

	And, since you sort of mentioned it, I've tried disabling it,
which is even more disastrous...

	rc5-client-freebsd (the binary) does ~128500keys/sec
	client (-mpentium compiled w/pgcc-current) does ~58816keys/sec  


> 	Tnks,
> 	Amancio
> 
> >From The Desk Of The Hermit Hacker :
> > On Sat, 1 Mar 1997, Amancio Hasty wrote:
> > 
> > > 
> > > Thats a good question !
> > > 
> > > I would try it out.
> > >
> > 
> > 	After asking, I popped over to the http site for genx.com and
> > grabbed the source code...changed -m486 to -mpentium inside of the Makefile
> > and recompiled/tested it...came out about 10k/sec slower...
> > 
> > 	There *is* a define for ASM_I486 though, which is used inside of
> > client.h, and does as follows.  Anyone with a good knowledge of Pentiums
> > out there this weekend that can suggest a Pentium version for this?
> > 
> >  
> > <stuff cut out>
> > #if defined(ASM_I486) && defined(__GNUC__)
> > 
> > static __inline__ RC5_WORD ROTL(RC5_WORD x, RC5_WORD y)
> > {
> > 	register RC5_WORD res;
> > 
> > 	__asm__ __volatile(
> > 		"roll %%cl,%0\n\t"
> > 		:"=g" (res)
> > 		:"0" (x), "cx" (y)
> > 		:"cx");
> > 
> > 	return res;
> > }
> > 
> > static __inline__ RC5_WORD ROTL3(RC5_WORD x)
> > {
> > 	register RC5_WORD res;
> > 
> > 	__asm__ __volatile(
> > 		"roll $3,%0\n\t"
> > 		:"=g" (res)
> > 		:"0" (x));
> > 
> > 	return res;
> > }
> > 
> > #elif defined(ASM_SPARC) && defined(__GNUC__)
> > <stuff cut out>
> > 
>