Architecture
105
ADDU Add Unsigned ADDU
31 26 25 21 20 1615 11 10 6 5 0
SPECIAL
000000 rs rt rd 0
00000
ADDU
100001
6 5 5 5 5 6
Format :
ADDU rd, rs, rt
Description :
Adds the contents of general-purpose registers rs and rt and puts the result in general-purpose
register rd. The only difference from ADD is that ADDU cannot cause an overflow exception.
Operation :
T: GPR[rd] ← GPR[rs] + GPR[rt]
Exceptions :
None