sdata

Input data for an atomic instruction.

Optionally may serve as an output data:

• If :ref:`glc<amdgpu_synid_glc>` is specified, gets the memory value before the operation.

Size: 4 dwords.

Operands: :ref:`s<amdgpu_synid_s>`, :ref:`ttmp<amdgpu_synid_ttmp>`