================
@@ -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
+ Triple Processors Features
+ Architecture Restrictions
+
+
+
+
+
+
+
+
+ ==================== ============== =================
=================================
+ ``gfx9-generic`` ``amdgcn`` - ``gfx900`` - ``v_mad_mix``
instructions
+ - ``gfx902`` are not available
on
+ - ``gfx904`` ``gfx900``,
``gfx902``,
+ - ``gfx906`` ``gfx909``,
``gfx90c``
+ - ``gfx909`` - ``v_fma_mix``
instructions
+ - ``gfx90c`` are not available
on ``gfx904``
+ - sramecc is not
available on
+ ``gfx906``
+ - The following
instructions
+ are not available
on ``gfx906``:
+
+ - ``v_fmac_f32``
+ - ``v_xnor_b32``
+ -
``v_dot4_i32_i8``
+ -
``v_dot8_i32_i4``
+ -
``v_dot2_i32_i16``
+ -
``v_dot2_u32_u16``
+ -
``v_dot4_u32_u8``
+ -
``v_dot8_u32_u4``
+ -
``v_dot2_f32_f16``
+
+
+ ``gfx10.1-generic`` ``amdgcn`` - ``gfx1010`` - The following
instructions are
+ - ``gfx1011`` not available on
``gfx1011``
+ - ``gfx1012`` and ``gfx1012``
+ - ``gfx1013``
+ -
``v_dot4_i32_i8``
----------------
Pierre-vh wrote:
gfx1010 and gfx1012 are indeed not identical, but gfx1011 and gfx1012 are:
```
def FeatureISAVersion10_1_0 : FeatureSet<
!listconcat(FeatureISAVersion10_1_Common.Features,
[])>;
def FeatureISAVersion10_1_2 : FeatureSet<
!listconcat(FeatureISAVersion10_1_Common.Features,
[FeatureDot1Insts,
FeatureDot2Insts,
FeatureDot5Insts,
FeatureDot6Insts,
FeatureDot7Insts,
FeatureDot10Insts])>;
```
https://github.com/llvm/llvm-project/pull/76955
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