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llvm-mirror/docs/AMDGPU/gfx10_dst_mimg_gather4.rst
Dmitry Preobrazhensky d2c3f2c3bb [AMDGPU][MC][DOC] Updated AMD GPU assembler syntax description.
Summary of changes:
- added description of GFX10;
- added description of operands sccz, vccz, lds_direct, etc;
- minor bugfixing and improvements.

llvm-svn: 365347
2019-07-08 16:50:11 +00:00

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.. _amdgpu_synid10_dst_mimg_gather4:
vdst
===========================
Image data to load by an *image_gather4* instruction.
*Size:* 4 data elements by default. Each data element occupies either 32 bits or 16 bits depending on :ref:`d16<amdgpu_synid_d16>`.
:ref:`d16<amdgpu_synid_d16>` and :ref:`tfe<amdgpu_synid_tfe>` affect operand size as follows:
* :ref:`d16<amdgpu_synid_d16>` specifies that data elements in registers are packed; each value occupies 16 bits.
* :ref:`tfe<amdgpu_synid_tfe>` adds one dword if specified.
*Operands:* :ref:`v<amdgpu_synid_v>`