Date: Sat, 28 Aug 1999 02:01:23 +0100 From: Mark Ovens <mark@ukug.uk.freebsd.org> To: Sergey Babkin <babkin@bellatlantic.net> Cc: Thomas David Rivers <rivers@dignus.com>, freebsd-hackers@freebsd.org, freebsd-questions@freebsd.org, kdrobnac@mission.mvnc.edu Subject: Re: Intel Merced FreeBSD??? Message-ID: <19990828020123.C291@marder-1> In-Reply-To: <37C7312B.EE446A5C@bellatlantic.net>; from Sergey Babkin on Fri, Aug 27, 1999 at 08:45:31PM -0400 References: <199908271229.IAA35280@lakes.dignus.com> <37C7312B.EE446A5C@bellatlantic.net>
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On Fri, Aug 27, 1999 at 08:45:31PM -0400, Sergey Babkin wrote:
> Thomas David Rivers wrote:
>
> > Microsoft needs a "business quality" version of Windows,
> > which it claims is Windows/2000. That version of Windows
> > could benefit from a 64-bit port, if for marketing only; but
> > I don't think it would result in the volume of sales Intel
> > is looking for.
>
> A funny thing is that Microsoft is porting essentially a
> 32-bit version of Windows to Merced. All the programs for
> Windows that want to use 64-bit support will have to be
> modified because the MS compiler defines both int and long
> as 32-bit. On the other hand the Unix compilers (at least
> UnixWare and as far as I understood that's the common Unix
> convention) provide a mode with 64-bit longs that gives
> certain degree of 64-bit awareness just by recompiling.
>
marder-1:/usr/marko{57}% cat > size.c
#include <stdio.h>
int main (void)
{
printf("short == %d\n", sizeof(short));
printf("int == %d\n", sizeof(int));
printf("long == %d\n", sizeof(long));
printf("long long == %d\n", sizeof(long long));
return(0);
}
^D
marder-1:/usr/marko{57}% cc !$
marder-1:/usr/marko{57}% ./a.out
short == 2
int == 4
long == 4
long long == 8
marder-1:/usr/marko{57}%
And the same is true on SunOS 4.1.x as well (although not 100% sure
about "long long").
> > And - let me add - Intel has been down this path before
> > (the i860) - and didn't see the success it wanted (although
> > the i860 is popping up in some interesting places now...)
>
> Merced can run the x86 code. Not as fast as the native code
> but I guess comparable to the Pentiums.
>
> > I suppose what this "rant" is all about is that I'm not
> > convinced Merced is the "chip of the future" that we all
> > need to be worried about. I'm taking a "wait-and-see"
> > attitude. [Also, since Microsoft has been working
> > closely with Intel regarding Merced for several years
> > now, and has yet to do anything `serious' - I believe
> > they are taking the same "wait-and-see" approach. Likely
> > while telling Intel otherwise.]
>
> SCO and IBM with their Monterey-64 project are considering
> Merced quite seriously. Actually, as far as I know, for
> Monterey-64 the availability of the Merceds seems to be
> the limiting factor now.
>
> -SB
>
>
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