By: Doug S (foo.delete@this.bar.bar), November 6, 2019 12:47 pm
Room: Moderated Discussions
anon.1 (abc.delete@this.def.com) on November 6, 2019 11:19 am wrote:
> The whole point of RISC was to make
> decode simple. Now they want to add complexity in decode because, well, the ISA is oversimplified.
The RISC concept was created 40 years ago. Things have changed, designers have a transistor budget orders of magnitude larger today so what was appropriate for a decoder in 1980 shouldn't be a limitation on what is appropriate for a decoder in 2020.
> The whole point of RISC was to make
> decode simple. Now they want to add complexity in decode because, well, the ISA is oversimplified.
The RISC concept was created 40 years ago. Things have changed, designers have a transistor budget orders of magnitude larger today so what was appropriate for a decoder in 1980 shouldn't be a limitation on what is appropriate for a decoder in 2020.