Arm Compiler armasm User Guide : 17.94 STLR

17.94 STLR

Store-Release Register.

STLR Wt, [Xn|SP{,#0}] ; 32-bit

STLR Xt, [Xn|SP{,#0}] ; 64-bit

Where:

Wt: Is the 32-bit name of the general-purpose register to be transferred.
Xt: Is the 64-bit name of the general-purpose register to be transferred.
Xn|SP: Is the 64-bit name of the general-purpose base register or stack pointer.

Store-Release Register stores a 32-bit word or a 64-bit doubleword to a memory location, from a register. The instruction also has memory ordering semantics as described in Load-Acquire, Store-Release in the Arm^® Architecture Reference Manual Arm^®v8, for Arm^®v8‑A architecture profile. For information about memory accesses, see Load/Store addressing modes in the Arm^® Architecture Reference Manual Arm^®v8, for Arm^®v8‑A architecture profile.

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