So apparently MIPS R6 is a new ISA that's not even backwards compatible with previous MIPS ISA levels. Can anyone confirm?
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Replying to @RichFelker
As I understand it, they quietly re-encoded some insns to new opcodes and reused the old opcode space so you can't even trap & emulate.
1 reply 2 retweets 0 likes -
Replying to @RichFelker
@RichFelker Maybe we can finally supplant MIPS with OpenRISC or RISC-V or something...1 reply 0 retweets 0 likes -
Replying to @RichFelker
@cr1901 Neither has viable real hardware yet, though.1 reply 0 retweets 0 likes -
Replying to @RichFelker
@RichFelker I can live with FPGA impls for now. Even w/ real ASIC impls, it's not going to be easy to use in hobbyist projects :(.1 reply 0 retweets 0 likes -
Replying to @cr1901
@RichFelker I can't SMD solder well. I can pay companies to do it for me after I make a PCB design. Guess how many PCBs I made w/o mistakes?1 reply 0 retweets 0 likes -
Replying to @cr1901
@RichFelker (Zero. Exactly zero. I have yet to make a PCB where I didn't find a mistake after they came back from the fab.)1 reply 0 retweets 0 likes -
Replying to @RichFelker
@RichFelker@cr1901 it takes time, there's not really a way around that1 reply 0 retweets 1 like
@asbradbury @cr1901 Even if it were expensive & suboptimal, having a working board would rapidly accelerate adoption/development.
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