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Load Word and Zero
Preliminary PPC440x5 CPU Core User’s Manual
instrset.fm.
September 12, 2002 Page 341 of 589
lwz
Load Word and Zero
EA ← (RA|0) + EXTS(D)
(RT)
← MS(EA,4)
An effective address (EA) is formed by adding a displacement to a base address. The displacement is
obtained by sign-extending the 16-bit D field to 32 bits. The base address is 0 if the RA field is 0 and is the
contents of register RA otherwise.
The word at the EA is placed into register RT.
Registers Altered
•RT
lwz RT, D(RA)
32 RT RA D
0 6 11 16 31