bit position of the addressing extension. BUFFER contains the
instruction. ADDR is where BUFFER was read from. Put the disassembled
version of the operand in RESULT. INDEX_OFFSET is the bit position
- of the index byte (it contains garbage if this operand is not a
+ of the index byte (it contains -1 if this operand is not a
general operand using scaled indexed addressing mode). */
static int
if (*d)
{
/* Offset in bits of the first thing beyond each index byte.
- Element 0 is for operand A and element 1 is for operand B.
- The rest are irrelevant, but we put them here so we don't
- index outside the array. */
- int index_offset[MAX_ARGS];
+ Element 0 is for operand A and element 1 is for operand B. */
+ int index_offset[2];
/* 0 for operand A, 1 for operand B, greater for other args. */
int whicharg = 0;
if we are using scaled indexed addressing mode, since the index
bytes occur right after the basic instruction, not as part
of the addressing extension. */
+ index_offset[0] = -1;
+ index_offset[1] = -1;
if (Is_gen (d[1]))
{
int bitoff = d[1] == 'f' ? 10 : 5;
while (*d)
{
argnum = *d - '1';
+ if (argnum >= MAX_ARGS)
+ abort ();
d++;
- if (argnum > maxarg && argnum < MAX_ARGS)
+ if (argnum > maxarg)
maxarg = argnum;
ioffset = print_insn_arg (*d, ioffset, &aoffset, buffer,
memaddr, arg_bufs[argnum],
- index_offset[whicharg]);
+ whicharg > 1 ? -1 : index_offset[whicharg]);
d++;
- if (whicharg++ >= 1)
- break;
+ whicharg++;
}
for (argnum = 0; argnum <= maxarg; argnum++)