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clang-p2996/llvm/docs/AMDGPU/gfx7_vsrc_533a4e.rst
Dmitry Preobrazhensky 9c7e803f2d [AMDGPU][GFX7][DOC][NFC] Update assembler syntax description
Summary of changes:
- Updated MUBUF lds syntax (see https://reviews.llvm.org/D124485).
- Enabled literals with src0 of v_madak_f32, v_madmk_f32 (see https://reviews.llvm.org/D111067).
- Corrected LGKM_CNT description.
- Minor bug fixing.
2022-06-06 15:50:10 +03:00

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.. _amdgpu_synid_gfx7_vsrc_533a4e:
vsrc
====
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:
* src0 and src1 must specify the first register (or :ref:`off<amdgpu_synid_off>`).
* src2 and src3 must specify the second register (or :ref:`off<amdgpu_synid_off>`).
An example:
.. parsed-literal::
exp mrtz v3, v3, off, off compr
*Size:* 1 dword.
*Operands:* :ref:`v<amdgpu_synid_v>`, :ref:`off<amdgpu_synid_off>`