TIL Intel Pentium Processors used to work with RISC operations by decoding CISC instructions before executing them

https://fanael.github.io/is-x86-risc-internally.html

69 points · 4 comments · view on lemmy.world

4 Comments

kopasz7@sh.itjust.works · 10 pts · 331d (2 replies)

Isn't this the case for decades now? Complex instructions are broken down into micro ops.

B0rax@feddit.org · 8 pts · 331d (1 reply)

The linked article claims that this is no longer the case since about a decade now.

Lojcs@piefed.social · 4 pts · 331d

Risk instruction is not very accurate since even arm has them but microops still exist

acockworkorange@mander.xyz · 5 pts · 331d

TIL that's no longer the case. Thanks, cool article!