llvm-project/llvm/docs/AMDGPU/gfx940_vdata_314509.rst
Dmitry Preobrazhensky b19c26747f [AMDGPU][GFX940][DOC][NFC] Update assembler syntax description
Summary of changes:
- Enable VOP3 variants of dot2c/dot4c/dot8c instructions (https://reviews.llvm.org/D138494).
- Enable abs and neg modifiers for v_cndmask_b32 (https://reviews.llvm.org/D135900).
- Enable omod modifiers for v_max3_f16, v_min3_f16, etc. (https://reviews.llvm.org/D139469).
- Correct v_mov_b32_sdwa (it does not support abs and neg input modifiers yet).
- Enable abs and neg modifiers for v_dot2c_f32_f16_dpp.
- Minor corrections and improvements.
2022-12-13 14:29:09 +03:00

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.. _amdgpu_synid_gfx940_vdata_314509:
vdata
=====
Input data for an atomic instruction.
Optionally, this operand may be used to store output data:
* If :ref:`sc0<amdgpu_synid_sc0>` is specified, gets the memory value before the operation.
*Size:* 1 dword.
*Operands:* :ref:`v<amdgpu_synid_v>`, :ref:`a<amdgpu_synid_a>`