Hacker News new | ask | show | jobs
by p1mrx 1926 days ago
RISC-V does this too: https://five-embeddev.com/riscv-isa-manual/latest/m.html

"If both the high and low bits of the same product are required, then the recommended code sequence is [...]. Microarchitectures can then fuse these into a single multiply operation instead of performing two separate multiplies."