diff options
Diffstat (limited to 'opcodes/bfin-dis.c')
| -rw-r--r-- | opcodes/bfin-dis.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/opcodes/bfin-dis.c b/opcodes/bfin-dis.c index ef7c7b5..f124f14 100644 --- a/opcodes/bfin-dis.c +++ b/opcodes/bfin-dis.c @@ -1227,44 +1227,57 @@ decode_CC2stat_0 (TIword iw0, disassemble_info *outf) int op = ((iw0 >> CC2stat_op_bits) & CC2stat_op_mask); int cbit = ((iw0 >> CC2stat_cbit_bits) & CC2stat_cbit_mask); + const char *bitname = statbits (cbit); + if (decode_statbits[cbit] == REG_LASTREG) + { + /* All ASTAT bits except CC may be operated on in hardware, but may + not have a dedicated insn, so still decode "valid" insns. */ + static char bitnames[64]; + if (cbit != 5) + sprintf (bitnames, "ASTAT[%i /* unused bit */]", cbit); + else + strcpy (bitnames, "CC /* ... Illegal register ... */"); + bitname = bitnames; + } + if (op == 0 && D == 0) { OUTS (outf, "CC = "); - OUTS (outf, statbits (cbit)); + OUTS (outf, bitname); } else if (op == 1 && D == 0) { OUTS (outf, "CC |= "); - OUTS (outf, statbits (cbit)); + OUTS (outf, bitname); } else if (op == 2 && D == 0) { OUTS (outf, "CC &= "); - OUTS (outf, statbits (cbit)); + OUTS (outf, bitname); } else if (op == 3 && D == 0) { OUTS (outf, "CC ^= "); - OUTS (outf, statbits (cbit)); + OUTS (outf, bitname); } else if (op == 0 && D == 1) { - OUTS (outf, statbits (cbit)); + OUTS (outf, bitname); OUTS (outf, " = CC"); } else if (op == 1 && D == 1) { - OUTS (outf, statbits (cbit)); + OUTS (outf, bitname); OUTS (outf, " |= CC"); } else if (op == 2 && D == 1) { - OUTS (outf, statbits (cbit)); + OUTS (outf, bitname); OUTS (outf, " &= CC"); } else if (op == 3 && D == 1) { - OUTS (outf, statbits (cbit)); + OUTS (outf, bitname); OUTS (outf, " ^= CC"); } else |