https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114591
--- Comment #16 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- > > 4952 /* See if a MEM has already been loaded with a widening operation; > 4953 if it has, we can use a subreg of that. Many CISC machines > 4954 also have such operations, but this is only likely to be > 4955 beneficial on these machines. */ Oh, it's pre_reload cse_insn, not postreload gcse
