diff options
Diffstat (limited to 'parse.py')
-rwxr-xr-x | parse.py | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -126,10 +126,19 @@ def process_enc_line(line, ext): # check if all args of the instruction are present in arg_lut present in # constants.py args = single_fixed.sub(' ', args).split() + encoding_args = ['-'] * 32 for a in args: if a not in arg_lut: logging.error(f' Found variable {a} in instruction {name} whose mapping in arg_lut does not exist') raise SystemExit(1) + else: + (msb, lsb) = arg_lut[a] + for ind in range(lsb, msb): + # overlapping bits + if encoding_args[ind] != '-': + logging.error(f' Found variable {a} in instruction {name} overlapping {encoding_args[ind]} variable') + raise SystemExit(1) + encoding_args[ind] = a # update the fields of the instruction as a dict and return back along with # the name of the instruction |