Re: g++-4.4 failings
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On 4/25/2010 8:57 PM, fthain@telegraphics.com.au wrote:
>
> On Sun, 25 Apr 2010, Gayle Lee Fairless wrote:
>
>> [68080] is a Motorola microprocessor chip typically found in Amiga
>> computers and others.
>
> Are you sure? I've never heard of such a device. Anyway, Linux supports
> 68020 with MMU, 68030, 68040 and 68060 processors. It also supports
> Coldfire and some 683XX processors, though Debian does not because these
> Instruction Set Architecures are incompatible with the 680X0 family.
>
> Finn
>
Well, I went to wikipedia, and it appears that, once upon time, it might
have been planned. The M68080 might have been done if the line of
Motorola microprocessors had continued.
But, such a device does not exist, as you suspected.
http://en.wikipedia.org/wiki/Motorola_68000_family
"Motorola 68000 family
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Motorola 68000 Designer Motorola
Bits 16/32-bit
Introduced 1979
Design CISC
Endianness Big
Registers
General purpose 16x32-bit
The Motorola 680x0/m68k/68k/68K is a family of 32-bit CISC
microprocessors. During the 1980s and early 1990s, they were popular in
personal computers and workstations and were the primary competitors of
Intel's x86 microprocessors. They were most well-known as the processors
powering the early Apple Macintosh, the Commodore Amiga, the Sinclair
QL, the Atari ST, and several others. Although no modern desktop
computers are based on the 68k, derivative processors are still widely
used in embedded applications. As of 1998, the 68K family was the
best-selling 32-bit architecture in the world. 79 million 68K chips were
sold in 1997, compared to about 75 million Pentium-based PCs.[1]"
.....
.....
"Last generation
The 4th generation 68060 shared most of the features of the Intel P5
architecture. Had Motorola decided to continue the 680x0 series, the
next processor (68080) would likely have resembled Intel's P6
architecture.[citation needed]"
Bibliography
Search Wikibooks Wikibooks has a book on the topic of
68000 Assembly
* Howe, Dennis, ed. (1983). Free On-Line Dictionary of Computing.
Imperial College, London. http://foldoc.org. Retrieved September 4, 2007.
* This article was originally based on material from the Free
On-line Dictionary of Computing, which is licensed under the GFDL.
1. ^ Turley, Jim (1998). "MCore: Does Motorola Need Another Processor
Family?".
2. ^ "Tradechess". http://www.tradechess.com.br/artigos.htm. 090428
tradechess.com.br
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