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From: mitchalsup@aol.com (MitchAlsup1)
Newsgroups: comp.arch
Subject: Re: address architecture, not interactive use, The Design of Design
Date: Sat, 11 May 2024 17:21:32 +0000
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Thomas Koenig wrote:
> John Levine schrieb:
>> Brooks said it was ugly that some instructions (RX) had both base and
>> index registers while others (SS) only had base registers, which I
>> expect made it even harder to do what you suggested.
> Depending on base registers for both data and branches was one
> of the ideas that did not age well, I think. We have since
> seen in the RISC machines that having a stack implemented via
> a register, with possibly a frame pointer, a global offset and
> larger offsets (16 bits) works well, and we know how to generate
> position-independent code.
Position independent data is still difficult, though.
> This is, of course, with 20/20 hindsight.