decode_extra RM OrderedDict([('insn', 'add'), ('CONDITIONS', ''), ('Ptype', '1P'), ('Etype', 'EXTRA3'), ('0', 'd:RT;d:CR0'), ('1', 's:RA'), ('2', 's:RB'), ('3', '0'), ('in1', 'RA'), ('in2', 'RB'), ('in3', '0'), ('out', 'RT'), ('CR in', '0'), ('CR out', 'CR0'), ('out2', '0')])
EXTRA field 0 d:RT;d:CR0
EXTRA field 1 s:RA
EXTRA field 2 s:RB
EXTRA field index, src {'RA': 1, 'RB': 2}
EXTRA field index, dest {'RT': 0, 'CR0': 0}
0 5.v RT
    idx find GPR 0 5.v RT None
regname in RT 0
    idx dst 0 None (0, '5.v', 'RT', 'GPR', None)
1 2.v RA
    idx find GPR 1 2.v RA None
    idx src 1 ('s', 1, False) (1, '2.v', 'RA', 'GPR', None)
regname in RA None
2 1.v RB
    idx find GPR 2 1.v RB None
    idx src 2 ('s', 2, False) (2, '1.v', 'RB', 'GPR', None)
regname in RB None