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B-20 PPC405 Core User’s Manual
bun [cr_field,]
target
Branch if unordered.
Use CR0 if cr_field is omitted.
Extended mnemonic for
bc 12,4∗cr_field+3,target
9-20
buna
Extended mnemonic for
bca 12,4∗cr_field+3,target
bunl
Extended mnemonic for
bcl 12,4∗cr_field+3,target
(LR)
← CIA + 4.
bunla
Extended mnemonic for
bcla 12,4∗cr_field+3,target
(LR)
← CIA + 4.
bunctr [cr_field] Branch, if unordered, to address in CTR.
Use CR0 if cr_field is omitted.
Extended mnemonic for
bcctr 12,4∗cr_field+3
9-26
bunctrl
Extended mnemonic
for
bcctrl 12,4∗cr_field+3
(LR) ← CIA + 4.
bunlr [cr_field] Branch, if unordered, to address in LR.
Use CR0 if cr_field is omitted.
Extended mnemonic for
bclr 12,4∗cr_field+3
9-30
bunlrl
Extended mnemonic for
bclrl 12,4∗cr_field+3
(LR)
← CIA + 4.
clrlwi RA, RS, n Clear left immediate. (n < 32)
(RA)
0:n−1
←
n
0
Extended mnemonic for
rlwinm RA,RS,0,n,31
9-147
clrlwi.
Extended mnemonic for
rlwinm. RA,RS,0,n,31
CR[CR0]
clrlslwi RA, RS, b, n Clear left and shift left immediate.
(n ≤ b < 32)
(RA)
b−n:31−n
← (RS)
b:31
(RA)
32−n:31
←
n
0
(RA)
0:b−n−1
←
b−n
0
Extended mnemonic for
rlwinm RA,RS,n,b−n,31−n
9-147
clrlslwi.
Extended mnemonic for
rlwinm. RA,RS,n,b−n,31−n
CR[CR0]
clrrwi RA, RS, n Clear right immediate. (n < 32)
(RA)
32−n:31
←
n
0
Extended mnemonic for
rlwinm RA,RS,0,0,31−n
9-147
clrrwi.
Extended mnemonic for
rlwinm. RA,RS,0,0,31−n
CR[CR0]
Table B-5. Extended Mnemonics for PPC405 (continued)
Mnemonic Operands Function
Other Registers
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