emit_shf_indir
emit_shf_indir(nfp_prog, reg_both(dst + 1), reg_a(dst + 1), SHF_OP_NONE,
emit_shf_indir(nfp_prog, reg_both(dst), reg_none(), SHF_OP_NONE,
emit_shf_indir(nfp_prog, reg_both(dst + 1), reg_none(), SHF_OP_NONE,
emit_shf_indir(nfp_prog, reg_both(dst + 1), reg_none(), SHF_OP_NONE,
emit_shf_indir(nfp_prog, reg_both(dst), reg_a(dst + 1), SHF_OP_NONE,
emit_shf_indir(nfp_prog, reg_both(dst), reg_none(), SHF_OP_NONE,
emit_shf_indir(nfp_prog, reg_both(dst + 1), reg_none(), SHF_OP_ASHR,
emit_shf_indir(nfp_prog, reg_both(dst), reg_none(), SHF_OP_ASHR,
emit_shf_indir(nfp_prog, reg_both(dst), reg_none(), SHF_OP_ASHR,
emit_shf_indir(nfp_prog, reg_both(dst), reg_none(), SHF_OP_NONE,