On Thu, Oct 6, 2022 at 7:27 PM Eric Botcazou via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > Hi, > > even at -O0 there may be a fair amount of DF computation performed when > compiling large units and part of it appears to be useless. > > Bootstrapped/regtested on x86-64/Linux, OK for the mainline?
OK. > > 2022-10-06 Eric Botcazou <ebotca...@adacore.com> > > * function.cc (thread_prologue_and_epilogue_insns): Update only entry > and exit blocks when not optimizing. Remove dead statement. > > -- > Eric Botcazou