rlwinm
Rotate Left Word Immediate then AND with Mask
Preliminary PPC440x5 CPU Core User’s Manual
instrset.fm.
September 12, 2002 Page 401 of 589
clrrwi
RA, RS, n
Clear right immediate. (n < 32)
(RA)32-n:31 ←n0
Extended mnemonic for
rlwinm RA,RS,0,0,31−n
clrrwi. Extended mnemonic for
rlwinm. RA,RS,0,0,31−nCR[CR0]
extlwi
RA, RS, n, b
Extract and left justify immediate. (n > 0)
(RA)0:n-1 ←(RS)b:b+n-1
(RA)n:31 ←32-n0
Extended mnemonic for
rlwinm RA,RS,b,0,n−1
extlwi. Extended mnemonic for
rlwinm. RA,RS,b,0,n−1CR[CR0]
extrwi
RA, RS, n, b
Extract and right justify immediate. (n > 0)
(RA)32-n:31 ←(RS)b:b+n-1
(RA)0:31-n ←32-n0
Extended mnemonic for
rlwinm RA,RS,b+n,32−n,31
extrwi. Extended mnemonic for
rlwinm. RA,RS,b+n,32−n,31 CR[CR0]
rotlwi
RA, RS, n
Rotate left immediate.
(RA) ←ROTL((RS), n)
Extended mnemonic for
rlwinm RA,RS,n,0,31
rotlwi. Extended mnemonic for
rlwinm. RA,RS,n,0,31 CR[CR0]
rotrwi
RA, RS, n
Rotate right immediate.
(RA) ←ROTL((RS), 32−n)
Extended mnemonic for
rlwinm RA,RS,32−n,0,31
rotrwi. Extended mnemonic for
rlwinm. RA,RS,32−n,0,31 CR[CR0]
slwi
RA, RS, n
Shift left immediate. (n < 32)
(RA)0:31-n ←(RS)n:31
(RA)32-n:31 ←n0
Extended mnemonic for
rlwinm RA,RS,n,0,31−n
slwi. Extended mnemonic for
rlwinm. RA,RS,n,0,31−nCR[CR0]
Table9-27. Extended Mnemonics for rlwinm, rlwinm. (continued)
Mnemonic Operands Function Other Registers
Altered