Altera Nios II C2H Compiler - Manual (Page 112)

4–18 9.1 Altera Corporation
Nios II C2H Compiler User Guide November 2009
Performance
Figure 4–10. Schedule by State
(State 0)
(State 3)
(State 2)
(State 1)
(State 7)
(State 6)
(State 5)
(State 4)
(State 2)
(State 3)
lut_addr=(crc&0xFF)^*data++;
i++;
(i
lut_addr=(crc&0xFF)^*data++;
0
1
2
(i
lut_addr=(crc&0xFF)^*data++;
lut_addr=(crc&0xFF)^*data++;
3
lut_addr=(crc&0xFF)^*data++;
4
lut_addr=(crc&0xFF)^*data++;
5
lut_addr=(crc&0xFF)^*data++;
crc=(crc>>8)^table[lut_addr];
6
7
8
9
10
11
12
13
14
15
16
17
CPLI
CPLI
Time Iteration 0 Iteration 1
crc=(crc>>8)^table[lut_addr];
(State 8)
crc=(crc>>8)^table[lut_addr];
(State 9)
crc=(crc>>8)^table[lut_addr];
(State 0)
i++;
lut_addr=(crc&0xFF)^*data++;
(State 1)
i++;
(i
lut_addr=(crc&0xFF)^*data++;
(i
lut_addr=(crc&0xFF)^*data++;
lut_addr=(crc&0xFF)^*data++;
(State 4) (State 10)
crc=(crc>>8)^table[lut_addr];
lut_addr=(crc&0xFF)^*data++;
(State 11)
crc=(crc>>8)^table[lut_addr]; (State 5)
lut_addr=(crc&0xFF)^*data++;
(State 6)
lut_addr=(crc&0xFF)^*data++;
crc=(crc>>8)^table[lut_addr];
(State 11)
crc=(crc>>8)^table[lut_addr];
(State 10)
crc=(crc>>8)^table[lut_addr];
(State 9)
crc=(crc>>8)^table[lut_addr];
(State 8)
crc=(crc>>8)^table[lut_addr];
(State 7)
crc=(crc>>8)^table[lut_addr];
i++;