diff options
Diffstat (limited to 'src/ex.cc')
| -rw-r--r-- | src/ex.cc | 41 |
1 files changed, 28 insertions, 13 deletions
@@ -240,21 +240,36 @@ void EX::handle_vector_operations( this->set_condition(UF, underflow); } -void EX::handle_i_vector_operations(signed int &s1, signed int s2, Mnemonic m) +void EX::handle_s_vector_operations( + std::array<signed int, V_R_LIMIT> &s1, + signed int s2, + Mnemonic m, + unsigned int v_len) { - switch (m) { - case LOADV: - case STOREV: - s1 = s1 + s2; - break; + unsigned int i, inc1, inc2; - case RET: - case NOP: + switch (m) { + case ROTV: + s2 = s2 % v_len; + if (s2 < 0) + s2 += v_len; + + std::rotate(s1.begin(), s1.begin() + s2, s1.begin() + v_len); + break; + case SRDL: + case SRDS: + inc1 = s1[0]; + s1[0] = s2; + for (i = 1; i < v_len; ++i) { + inc2 = s1[i]; + s1[i] = s1[i - 1] + inc1; + inc1 = inc2; + } break; default: - throw std::invalid_argument("handle_i_vector_operations did not " - "receive a LOADV or STOREV operation!"); + throw std::invalid_argument("handle_s_vector_operations did not " + "receive a SRDL or SRDS operation!"); } } @@ -275,9 +290,9 @@ void EX::advance_helper() this->curr_instr->operands.vector.slot_one, this->curr_instr->operands.vector.slot_two, m, v_len_or_pc); } else { - handle_i_vector_operations( - this->curr_instr->operands.i_vector.slot_one, - this->curr_instr->operands.i_vector.slot_two, m); + handle_s_vector_operations( + this->curr_instr->operands.s_vector.slot_one, + this->curr_instr->operands.s_vector.slot_two, m, v_len_or_pc); } this->status = OK; |