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Instruction Set 9-169
stw
Store Word
stw
Store Word
EA ← (RA|0) + EXTS(D)
MS(EA, 4)
← (RS)
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 when the RA field is 0,
and is the contents of register RA otherwise.
The contents of register RS are stored at the EA.
Registers Altered
• None
Architecture Note
This instruction is part of the PowerPC User Instruction Set Architecture.
stw RS, D(RA)
36 RS RA D
0 6 11 16 31