Just weeks ahead of the GCC 11 stable release we saw Znver3 tuning work out of SUSE for allowing the GNU Compiler Collection to better cater towards the AMD Zen 3 microarchitecture. That tuning work follows the initial patch at the end of last year that introduced “Znver3” and flipped on the new instructions. Now another patch working on the Zen 3 tuning for GCC has been posted and already merged…

Source: Phoronix – GCC 11 Squeezes In Another Zen 3 Optimization