IBM PPC440X5 Manual do Utilizador descarregar pdf (Página 263)

Add to Zero Extended

Preliminary PPC440x5 CPU Core User’s Manual

instrset.fm.

September 12, 2002 Page 263 of 589

Add to Zero Extended

(RT) ← (RA) + XER[CA]

if (RA) + XER[CA] 2

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

• 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

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IBM PPC440X5 Manual do Utilizador Página 263