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crnor
Condition Register NOR
Preliminary PPC440x5 CPU Core User’s Manual
instrset.fm.
September 12, 2002 Page 291 of 589
crnor
Condition Register NOR
CR
BT
←¬(CR
BA
∨ CR
BB
)
The CR bit specified by the BA field is ORed with the CR bit specified by the BB field; the ones complement
of the result is placed into the CR bit specified by the BT field.
If instruction bit 31 contains 1, the contents of CR[CR0] are undefined.
Registers Altered
•CR
BT
Invalid Instruction Forms
• Reserved fields
crnor BT, BA, BB
19 BT BA BB 33
0 6 11 16 21 31
Table 9-16. Extended Mnemonics for crnor
Mnemonic Operands Function
Other Registers
Altered
crnot
bx, by
CR not.
Extended mnemonic for
crnor bx,by,by