GCC and LLVM have supported multiple code versions based on feature detection fo... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		opencl on June 11, 2019 \| parent \| context \| favorite \| on: AMD Zen 2 Microarchitecture Analysis: Ryzen 3000 a... GCC and LLVM have supported multiple code versions based on feature detection for a few years, they call it function multiversioning. As far as I'm aware MSVC does not have this yet.

wahern on June 12, 2019 [–]

GCC has supported it for over 6 years, since 4.8. It was only added to clang in 7.0, released 8 months ago.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact