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-rw-r--r--opcodes/cr16-dis.c6
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;