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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 10:37:48 +0200
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Xref: csiph.com comp.lang.c++:80951

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.

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