https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82260
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- The -fdump-rtl-final is identical between -Os and -O3 in this case, it is purely the *movqi_internal insn mode choice: (and (eq_attr "type" "imov") (and (eq_attr "alternative" "0,1") (and (match_test "TARGET_PARTIAL_REG_DEPENDENCY") (and (not (match_test "optimize_function_for_size_p (cfun)")) (not (match_test "TARGET_PARTIAL_REG_STALL")))))) (const_string "SI")