[PATCH] D93125: Update AMDGPU PAL usage documentation

[Colin Hughes via Phabricator via llvm-commits]

cohughes added inline comments.


================
Comment at: llvm/docs/AMDGPUUsage.rst:11251
 
-  `amdgpu_gfx` Function calls are currently in development and are
-  subject to major changes.
+  Currently, USER_DATA_0 and USER_DATA_1 are reserved for the GlobalTable
+  and PerShaderTable addresses respectively, and should be programmed
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cohughes wrote:
> t-tye wrote:
> > Is USER_DATA_0 and USER_DATA_1 defined somewhere?
> Specifically, it refers to SPI_SHADER_USER_DATA_*_0 (based on the shader stage) and COMPUTE_USER_DATA_0.
Also, we refer to "any USER_DATA" register right above this with the same kind of generalization. Not sure if its worth being super specific or not. 


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https://reviews.llvm.org/D93125