Subtract Two Unsigned Integers Without Saturation SUBU
3-267 Instruction SetSPRU733
Example SUBU .L1 A1,A2,A5:A4
Before instruction 1 cycle after instruction
A1
0000 325Ah 12810
†
A1
0000 325Ah
A2
FFFF FF12h 4294967058
†
A2
FFFF FF12h
A5:A4 xxxx xxxxh xxxx xxxxh A5:A4
0000 00FFh 0000 3348h −4294954168
‡
†
Unsigned 32-bit integer
‡
Signed 40-bit (long) integer
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