On Sun, Nov 28, 2021 at 6:37 PM Adam Thornton <athornton@gmail.com> wrote:


> PDP-11: There's a very good reason it was used as a model architecture in
> coursework for decades.  Also regular and comfortable.
>

MIPS II / MIPS32 has also been used as a model architecture: it's 32-bit
and supported by current gcc (as is the PDP-11).  A short paper on running
C programs on the JVM is at <http://www.xwt.org/mips2java/>: you compiled
them to MIPS R2K statically linked executables and then compiled the
resulting executables to Java.  The regularity of the MIPS ISA made the
compiled code decently fast even before the JVM JIT.

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