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creqv
Condition Register Equivalent
Preliminary PPC440x5 CPU Core User’s Manual
instrset.fm.
September 12, 2002 Page 289 of 589
creqv
Condition Register Equivalent
CR
BT
←¬(CR
BA
⊕ CR
BB
)
The CR bit specified by the BA field is XORed 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
creqv BT, BA, BB
19 BT BA BB 289
0 6 11 16 21 31
Table 9-15. Extended Mnemonics for creqv
Mnemonic Operands Function
Other Registers
Altered
crset bx
CR set.
Extended mnemonic for
creqv bx,bx,bx