MUL dst, src1, src2 |
nanoMIPS, availability varies by format. |
Multiply |
Multiply. Multiply signed word values in registers $src1 and $src2, and place bits 31..0 ofthe result in register $dst.
nanoMIPS, availability varies by format.
|
001000 |
rt |
rs |
rd |
x |
0000011 |
000 |
|
6 |
5 |
5 |
5 |
1 |
7 |
3 |
dst = rd src1 = rs src2 = rt not_in_mms = False
|
001111 |
rt4[3] |
0 |
rt4[2:0] |
rs4[3] |
1 |
rs4[2:0] |
|
6 |
1 |
1 |
3 |
1 |
1 |
3 |
dst = decode_gpr(rt4, 'gpr4') src1 = decode_gpr(rt4, 'gpr4') src2 = decode_gpr(rs4, 'gpr4') not_in_mms = True
if not_in_mms and C0.Config5.NMS == 1:
raise exception('RI')
result = GPR[src1] * GPR[src2]
GPR[dst] = sign_extend(result, from_nbits=32)
Reserved Instruction for MUL[4X4] format on NMS cores.