llvm/docs/AMDGPU/gfx9_vaddr_flat_global.rst
Dmitry Preobrazhensky 78dfeb7de6 [AMDGPU][MC][DOC] Updated AMD GPU assembler description.
Minor bugfixing and improvements.

See bug 36572: https://bugs.llvm.org/show_bug.cgi?id=36572

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350120 91177308-0d34-0410-b5e6-96231b3b80d8
2018-12-28 11:48:23 +00:00

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.. _amdgpu_synid9_vaddr_flat_global:
vaddr
===========================
A 64-bit flat global address or a 32-bit offset depending on addressing mode:
* Address = :ref:`vaddr<amdgpu_synid9_vaddr_flat_global>` + :ref:`offset13s<amdgpu_synid_flat_offset13s>`. :ref:`vaddr<amdgpu_synid9_vaddr_flat_global>` is a 64-bit address. This mode is indicated by :ref:`saddr<amdgpu_synid9_saddr_flat_global>` set to :ref:`off<amdgpu_synid_off>`.
* Address = :ref:`saddr<amdgpu_synid9_saddr_flat_global>` + :ref:`vaddr<amdgpu_synid9_vaddr_flat_global>` + :ref:`offset13s<amdgpu_synid_flat_offset13s>`. :ref:`vaddr<amdgpu_synid9_vaddr_flat_global>` is a 32-bit offset. This mode is used when :ref:`saddr<amdgpu_synid9_saddr_flat_global>` is not :ref:`off<amdgpu_synid_off>`.
.. WARNING:: Assembler currently expects a 64-bit *vaddr* regardless of addressing mode. This have to be fixed.
*Size:* 1 or 2 dwords.
*Operands:* :ref:`v<amdgpu_synid_v>`