> But I can surely do > if (ret) > df_notes_rescan (insn); > before > return ret; > in remove_reg_equal_equiv_notes. > > Though, combine.c doesn't need that, as it shortly afterward the > remove_reg_equal_equiv_notes call calls full df_insn_rescan, postreload.c > has > if (reg_state[regno].offset != const0_rtx > /* Previous REG_EQUIV / REG_EQUAL notes for PREV > are now invalid. */ > && remove_reg_equal_equiv_notes (prev)) > df_notes_rescan (prev); > and those are the only two callers of this function besides the new one > in combine-stack-adj.c.
OK, let's add a parameter no_rescan to remove_reg_equal_equiv_notes and update the two callers accordingly. -- Eric Botcazou
