llvm/docs/AMDGPU/gfx9_vdata_21b58d.rst

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   8 .. _amdgpu_synid_gfx9_vdata_21b58d:
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  10 vdata
  11 =====
  12
  13 Image data to store by an *image_store* instruction.
  14
  15 *Size:* depends on :ref:`dmask<amdgpu_synid_dmask>` and :ref:`d16<amdgpu_synid_d16>`:
  16
  17 * :ref:`dmask<amdgpu_synid_dmask>` may specify from 1 to 4 data elements. Each data element occupies either 32 bits or 16 bits, depending on :ref:`d16<amdgpu_synid_d16>`.
  18 * :ref:`d16<amdgpu_synid_d16>` specifies that data in registers are packed; each value occupies 16 bits.
  19
  20 *Operands:* :ref:`v<amdgpu_synid_v>`