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* rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note. (add_reg_note): Call alloc_reg_note. * rtl.h (alloc_reg_note): Declare. * combine.c (try_combine): Use alloc_reg_note. (recog_for_combine, move_deaths): Likewise. (distribute_notes): Use alloc_reg_note and add_reg_note. * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note. * combine-stack-adj.c (adjust_frame_related_expr): Likewise. * reload1.c (eliminate_regs_1): Use alloc_reg_note. From-SVN: r146201
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