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From: Bo Persson <bo@bo-persson.se>
Newsgroups: comp.lang.c++
Subject: Re: Examples of current platforms/architectures where sizeof(void*) > sizeof(int*) ?
Date: Wed, 1 Sep 2021 10:48:51 +0200
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Xref: csiph.com comp.lang.c++:80954

On 2021-09-01 at 10:44, Bonita Montero wrote:
> Am 01.09.2021 um 10:37 schrieb Bo Persson:
>> On 2021-09-01 at 10:10, Bonita Montero wrote:
>>> Am 01.09.2021 um 08:55 schrieb Christian Gollwitzer:
>>>
>>>> On the contrary. It makes the hardware design simpler. You can 
>>>> address more memory with a smaller number of bits in the registers.
>>>
>>> Having the same registers with different types of differnt sets of
>>> registers with different types makes them more complex.
>>
>> The famous example is the Cray supercomputers that had vector 
>> registers with 64x64-bits. You never stored pointers in those.
> 
> That's sth. totally different than pointer-typed registers.

Yes, but having different sets of registers with different types made 
the total design *less* complex.

> 
>> By using 64-bit words, they could get away with using only 24-bits in 
>> their dedicated address registers. A simplification of that part.
>>
>>
>