Architecture
186
SUBU Subtract Unsigned SUBU
31 26 25 21 20 1615 1110 65 0
SPECIAL
000000 rs rt rd 0
00000
SUBU
100011
6 5 5 5 5 6
Format :
SUBU rd, rs, rt
Description :
Subtracts the contents of general-purpose register rt from general-purpose register rs and puts the
result in general-purpose register rd. The only difference from SUB is that SUBU cannot cause an
overflow exception.
Operation :
T: GPR[rd] ← GPR[rs] - GPR[rt]
Exceptions :
None