addze
Add to Zero Extended
Preliminary PPC440x5 CPU Core User’s Manual
instrset.fm.
September 12, 2002 Page 263 of 589
addze
Add to Zero Extended
(RT) ← (RA) + XER[CA]
if (RA) + XER[CA] 2
32
– 1 then
XER[CA]
← 1
else
XER[CA]
← 0
The sum of the contents of register RA and XER[CA] 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] if Rc contains 1
• XER[SO, OV] if OE contains 1
Invalid Instruction Forms
• Reserved fields
addze RT, RA OE=0, Rc=0
addze. RT, RA OE=0, Rc=1
addzeo RT, RA OE=1, Rc=0
addzeo. RT, RA OE=1, Rc=1
31 RT RA OE 202 Rc
0 6 11 16 21 22 31
>
u