https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616
--- Comment #55 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Hongyu Wang <hong...@gcc.gnu.org>: https://gcc.gnu.org/g:3a1a141f79c83ad38f7db3a21d8a4dcfe625c176 commit r13-4534-g3a1a141f79c83ad38f7db3a21d8a4dcfe625c176 Author: Hongyu Wang <hongyu.w...@intel.com> Date: Tue Dec 6 09:53:35 2022 +0800 i386: Avoid fma_chain for -march=alderlake and sapphirerapids. For Alderlake there is similar issue like PR 81616, enable avoid_fma256_chain will also benefit on Intel latest platforms Alderlake and Sapphire Rapids. gcc/ChangeLog: * config/i386/x86-tune.def (X86_TUNE_AVOID_256FMA_CHAINS): Add m_SAPPHIRERAPIDS, m_ALDERLAKE and m_CORE_ATOM.