this post was submitted on 24 Jun 2024
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Linux
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yeah, but you could improve the not ideal encoding with a relatively simple update, no need to throw out all the tools, great compatibility, and working binaries that intel and amd already have.
its also not the isa's fault
Well, not exactly. You have to remove instructions at some point. That’s what Intel’s x86-S is supposed to be. You lose some backwards compatibility but they’re chosen to have the least impact on most users.
Would this actually improve efficiency though or just reduce the manufacturing and development cost?
Instruction decoding takes space and power. If there are fewer, smaller transistors dedicated to the task it will take less space and power.