* config/arc/arc.c (arc_rewrite_small_data_1):
        Before using pic_offset_table_rtx, assert that
        SDATA_BASE_REGNUM == PIC_OFFSET_TABLE_REGNUM.
        * config/arc/arc.md (UNSPEC_NORM, UNSPEC_NORMW): Delete.
        Change all users to use clrsb.
        (norm): Rename to ..
        (clrsbsi2) .. this.  Changed all generator / insn_code users.
        (clrsbhi2): New define_insn_and_split.
        * config/arc/arc.c (arc_expand_builtin): Adjust to norm->clrsbsi2
        rename as mentioned above.
        * config/arc/arc.md (movdf_insn_nolrsr) Formatting fixes.