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addic.
Add Immediate Carrying and Record
PPC440x5 CPU Core User’s Manual Preliminary
Page 260 of 589
instrset.fm.
September 12, 2002
addic.
Add Immediate Carrying and Record
(RT) ← (RA) + EXTS(IM)
if (RA) + EXTS(IM) 2
32
– 1 then
XER[CA]
← 1
else
XER[CA]
← 0
The sum of the contents of register RA and the contents of the IM field, sign-extended to 32 bits, is placed
into register RT.
XER[CA] is set to a value determined by the unsigned magnitude of the result of the add operation.
Registers Altered
•RT
• XER[CA]
• CR[CR0]
Programming Note
addic. is one of three instructions that implicitly update CR[CR0] without having an RC field. The other
instructions are andi. and andis..
addic. RT, RA, IM
13 RT RA IM
0 6 11 16 31
Table 9-6. Extended Mnemonics for addic.
Mnemonic Operands Function
Other Registers
Altered
subic.
RT, RA, IM
Subtract EXTS(IM) from (RA).
Place result in RT; place carry-out in XER[CA].
Extended mnemonic for
addic. RT,RA,−IM
CR[CR0]
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