On Apr 4, 2019, at 10:13 AM, Gary Zibrat via Groups.Io <gzibrat=google.com@groups.io> wrote:Does anyone know why -mno-sse is specified on Clang x64?There doesn't seem to be a corresponding flag for other compilers.I ask because a commit in LLVM breaks compilation of EDK2:https://reviews.llvm.org/rL357317#change-QSW9B7DqCGUI