llvm/docs/AMDGPU/gfx9_src_exp.rst
Dmitry Preobrazhensky 23da110678 [AMDGPU][MC][DOC] A fix for build failure in r349370
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349375 91177308-0d34-0410-b5e6-96231b3b80d8
2018-12-17 18:53:10 +00:00

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.. _amdgpu_synid9_src_exp:
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>`