https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102473
--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Hongtao.liu from comment #13) > (In reply to H.J. Lu from comment #12) > > Are glibc regressions real? Please show the affected glibc assembly codes > > before and after. > > Assembly codes is the same, but DSB coverage drop down. before my commit > front-end bound of libc-2.31.so is 1.2%, after my commit front-end bound > raise up to 21.9%, use -falign-functions=64 doesn't help. > > The below code is copy from one of libc functions which has big front-end > bounds > Which functions in glibc get lower DSB coverage?
