https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121947
--- Comment #4 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- (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.
