diff options
Diffstat (limited to 'src/sim/id.cc')
| -rw-r--r-- | src/sim/id.cc | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/sim/id.cc b/src/sim/id.cc index 4a55d04..ddac35b 100644 --- a/src/sim/id.cc +++ b/src/sim/id.cc @@ -48,14 +48,18 @@ void ID::advance_helper() Mnemonic m; Type t; - s1 = curr_instr->get_instr_bits(); - get_instr_fields(s1, s2, s3, m, t); - if (this->status == OK) { - curr_instr->set_s1(s1); - curr_instr->set_s2(s2); - curr_instr->set_s3(s3); - curr_instr->set_mnemonic(m); - curr_instr->set_type(t); + if (curr_instr->get_mnemonic() == NOP) + this->status = OK; + else { + s1 = curr_instr->get_instr_bits(); + get_instr_fields(s1, s2, s3, m, t); + if (this->status == OK) { + curr_instr->set_s1(s1); + curr_instr->set_s2(s2); + curr_instr->set_s3(s3); + curr_instr->set_mnemonic(m); + curr_instr->set_type(t); + } } } |