logoalt Hacker News

brucehoulttoday at 4:54 AM0 repliesview on HN

And all modern high performance Arm and x86 cores do more fusion than RISC-V cores that are currently on the market.

Intel has being fusing `CMP` and `Bcc` since Core 2 and AMD since Zen 1.

This is

- already one instruction in RISC-V

- an *extremely* common pattern, often occurring once every 5 or 6 instructions.