AMCC Proprietary 161
Revision 1.02 - September 10, 2007
PPC405 Processor
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Preliminary User’s Manual
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(RT) ← (RA) + (RB)
The sum of the contents of register RA and the contents of register RB is placed into register RT.
Registers Altered
•RT
• CR[CR0]
LT, GT, EQ, SO
if Rc contains 1
• XER[SO, OV] if OE contains 1
Architecture Note
This instruction is part of the PowerPC User Instruction Set Architecture.
add RT, RA, RB OE= 0, Rc= 0
add. RT, RA, RB OE= 0, Rc= 1
addo RT, RA, RB OE= 1, Rc=0
addo. RT, RA, RB OE= 1, Rc= 1
31 RT RA RB OE 266 Rc
0 6 11 16 21 22 31
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