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Instruction Set 9-139
nor
NOR
nor
NOR
(RA) ←¬((RS) ∨ (RB))
The contents of register RS is ORed with the contents of register RB; the ones complement of the
result is placed into register RA.
Registers Altered
•RA
• CR[CR0]
LT, GT, EQ, SO
if Rc contains 1
Architecture Note
This instruction is part of the PowerPC User Instruction Set Architecture.
nor RA, RS, RB Rc=0
nor. RA, RS, RB Rc=1
31 RT RA RB 124 Rc
0 6 11 16 21 31
Table 9-24. Extended Mnemonics for nor, nor.
Mnemonic Operands Function
Other Registers
Altered
not
RA, RS Complement register.
(RA)
←¬(RS)
Extended mnemonic for
nor RA,RS,RS
not.
Extended mnemonic for
nor. RA,RS,RS
CR[CR0]