stxp
Store Exclusive Pair
STXP <Ws>, <Wt1>, <Wt2>, [<Xn|SP>]
Stores two registers if exclusive monitor matches.
Details
The Store Exclusive Pair instruction stores two registers if exclusive monitor matches.
Pseudocode Operation
Memory[address] ← Wt1
Example
STXP w6, w3, w4, [x1]
Encoding
Binary Layout
10001000
001
00000
Rs
Rt2
Rn
Rt1
Operands
-
Ws
Status -
Wt1
First transfer 32-bit register (load/store pair) -
Wt2
Second transfer 32-bit register (load/store pair) -
Xn
First source / base 64-bit integer register