[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
diff --git a/llvm/docs/AMDGPU/gfx10_addr_buf.rst b/llvm/docs/AMDGPU/gfx10_addr_buf.rst
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+..
+ **************************************************
+ * *
+ * Automatically generated file, do not edit! *
+ * *
+ **************************************************
+
+.. _amdgpu_synid10_addr_buf:
+
+vaddr
+===========================
+
+This is an optional operand which may specify offset and/or index.
+
+*Size:* 0, 1 or 2 dwords. Size is controlled by modifiers :ref:`offen<amdgpu_synid_offen>` and :ref:`idxen<amdgpu_synid_idxen>`:
+
+* If only :ref:`idxen<amdgpu_synid_idxen>` is specified, this operand supplies an index. Size is 1 dword.
+* If only :ref:`offen<amdgpu_synid_offen>` is specified, this operand supplies an offset. Size is 1 dword.
+* If both modifiers are specified, index is in the first register and offset is in the second. Size is 2 dwords.
+* If none of these modifiers are specified, this operand must be set to :ref:`off<amdgpu_synid_off>`.
+
+*Operands:* :ref:`v<amdgpu_synid_v>`, :ref:`off<amdgpu_synid_off>`