diff options
Diffstat (limited to 'src/id.cc')
| -rw-r--r-- | src/id.cc | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -194,26 +194,33 @@ void ID::decode_I_type(signed int &s1) s0b = REG_SIZE; s1b = s0b + REG_SIZE; s2b = WORD_SPEC - LINE_SPEC - OPCODE_SIZE; + // s3 is immediate s3 = GET_BITS_SIGN_EXTEND(s1, s1b, s2b); switch (this->curr_instr->mnemonic) { case STORE: + this->curr_instr->operands.integer.slot_three = s3; s2 = GET_MID_BITS(s1, s0b, s1b); s1 = GET_LS_BITS(s1, s0b); // both operands are read values + // s1 is base address r1 = this->read_guard(s1); this->curr_instr->operands.integer.slot_one = s1; + // s2 is value to be stored r2 = this->read_guard(s2); this->curr_instr->operands.integer.slot_two = s2; this->status = (r1 == OK && r2 == OK) ? OK : STALLED; return; case STOREV: + this->curr_instr->slot_C = s3; s2 = GET_MID_BITS(s1, s0b, s1b); s1 = GET_LS_BITS(s1, s0b); - // both operands are read values - r1 = this->read_vec_guard(s1,this->curr_instr->operands.vector.slot_one); + // base address + r1 = this->read_guard(s1); + this->curr_instr->slot_B = s1; + // vector value to be stored r2 = this->read_vec_guard(s2,this->curr_instr->operands.vector.slot_two); r3 = this->set_vlen(); @@ -229,6 +236,7 @@ void ID::decode_I_type(signed int &s1) this->status = (r1 == OK && r3 == OK) ? OK : STALLED; return; case LOAD: + this->curr_instr->operands.integer.slot_three = s3; s2 = GET_LS_BITS(s1, s0b); s1 = GET_MID_BITS(s1, s0b, s1b); break; |