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Data to copy to export buffers. This is an optional operand. Must be specified as :ref:`off<amdgpu_synid_off>` if not used.

:ref:`compr<amdgpu_synid_compr>` modifier indicates use of compressed (16-bit) data. This limits number of source operands from 4 to 2:

An example:

exp mrtz v3, v3, off, off compr

Size: 1 dword.

Operands: :ref:`v<amdgpu_synid_v>`, :ref:`off<amdgpu_synid_off>`