diff options
Diffstat (limited to 'llvm/docs/AMDGPUUsage.rst')
| -rw-r--r-- | llvm/docs/AMDGPUUsage.rst | 51 |
1 files changed, 33 insertions, 18 deletions
diff --git a/llvm/docs/AMDGPUUsage.rst b/llvm/docs/AMDGPUUsage.rst index 2692078d28b..bc3caf4448c 100644 --- a/llvm/docs/AMDGPUUsage.rst +++ b/llvm/docs/AMDGPUUsage.rst @@ -207,6 +207,8 @@ names from both the *Processor* and *Alternative Processor* can be used. names. ``gfx906`` ``amdgcn`` dGPU - xnack *TBA* [off] + sram-ecc + [on] .. TODO Add product names. @@ -246,24 +248,26 @@ For example: .. table:: AMDGPU Target Features :name: amdgpu-target-feature-table - ============== ================================================== - Target Feature Description - ============== ================================================== - -m[no-]xnack Enable/disable generating code that has - memory clauses that are compatible with - having XNACK replay enabled. - - This is used for demand paging and page - migration. If XNACK replay is enabled in - the device, then if a page fault occurs - the code may execute incorrectly if the - ``xnack`` feature is not enabled. Executing - code that has the feature enabled on a - device that does not have XNACK replay - enabled will execute correctly, but may - be less performant than code with the - feature disabled. - ============== ================================================== + =============== ================================================== + Target Feature Description + =============== ================================================== + -m[no-]xnack Enable/disable generating code that has + memory clauses that are compatible with + having XNACK replay enabled. + + This is used for demand paging and page + migration. If XNACK replay is enabled in + the device, then if a page fault occurs + the code may execute incorrectly if the + ``xnack`` feature is not enabled. Executing + code that has the feature enabled on a + device that does not have XNACK replay + enabled will execute correctly, but may + be less performant than code with the + feature disabled. + -m[no-]sram-ecc Enable/disable generating code that assumes SRAM + ECC is enabled/disabled. + =============== ================================================== .. _amdgpu-address-spaces: @@ -549,6 +553,17 @@ The AMDGPU backend uses the following ELF header: be 0. See :ref:`amdgpu-target-features`. + ``EF_AMDGPU_SRAM_ECC`` 0x00000200 Indicates if the ``sram-ecc`` + target feature is + enabled for all code + contained in the code object. + If the processor + does not support the + ``sram-ecc`` target + feature then must + be 0. + See + :ref:`amdgpu-target-features`. ================================= ========== ============================= .. table:: AMDGPU ``EF_AMDGPU_MACH`` Values |
