diff options
Diffstat (limited to 'opcodes/cr16-dis.c')
-rw-r--r-- | opcodes/cr16-dis.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/opcodes/cr16-dis.c b/opcodes/cr16-dis.c index de3eb75..2627141 100644 --- a/opcodes/cr16-dis.c +++ b/opcodes/cr16-dis.c @@ -322,7 +322,7 @@ match_opcode (void) { unsigned long mask; /* The instruction 'constant' opcode doewsn't exceed 32 bits. */ - unsigned long doubleWord = words[1] + (words[0] << 16); + unsigned long doubleWord = (words[1] + (words[0] << 16)) & 0xffffffff; /* Start searching from end of instruction table. */ instruction = &cr16_instruction[NUMOPCODES - 2]; @@ -331,6 +331,10 @@ match_opcode (void) while (instruction >= cr16_instruction) { mask = build_mask (); + /* Adjust mask for bcond with 32-bit size instruction */ + if ((IS_INSN_MNEMONIC("b") && instruction->size == 2)) + mask = 0xff0f0000; + if ((doubleWord & mask) == BIN (instruction->match, instruction->match_bits)) return 1; |