[clang] [lld] [flang] [llvm] [AMDGPU] Introduce GFX9/10.1/10.3/11 Generic Targets (PR #76955)

[Tony Tye via cfe-commits]

================
@@ -520,6 +520,106 @@ Every processor supports every OS ABI (see :ref:`amdgpu-os`) with the following
 
      =========== =============== ============ ===== ================= =============== =============== ======================
 
+Generic processors also exist. They group multiple processors into one,
+allowing to build code once and run it on multiple targets at the cost
+of less features being available.
+
+Generic processors are only available on Code Object V6 and up.
+
+  .. table:: AMDGPU Generic Processors
+     :name: amdgpu-generic-processor-table
+
+     ==================== ============== ================= =================================
+     Processor             Target        Supported         Target
----------------
t-tye wrote:

There needs to be a column for "Target Features Supported" and "Target Properties".

The "Target Features Restrictions" should probably be renamed to "Target Restrictions".

https://github.com/llvm/llvm-project/pull/76955