https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87871
--- Comment #42 from Segher Boessenkool <segher at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #40) > The question is what the code size differences would be with those changes > (i.e. how often does it help not to have *movsi_compare0 make RA decisions > worse vs. how often we actually have those two instructions separated by > other insns). Yeah. If someone writes patches adding the peepholes, I can test it, but I'm no hero at writing peepholes, esp. for an arch I do not fully understand :-/
