https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121947
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Hongtao Liu from comment #4) > (In reply to H.J. Lu from comment #3) > > Created attachment 62385 [details] > > A patch > > > > This is a test patch: > > > > 1. Move pass_x86_cse after pass_split_all_insns. > > 2. Split 3 UNSPEC_INSN_FALSE_DEP patterns before RA. > > > > Can we try if it works? > > I'd rather keep the original implementation for below 2 reasons. > > 1) It needs quite a lot of work to do it as splitter way, and more efforts > for maintenance. > > 2) The tune is only for SPR(GLC), and no longer needed for the > successors(P-core) or any E-Core processors. I noticed this with generic tuning. Can we remove it from generic?
