[llvm] AMDGPU/NFC: Reserve 0x056 and 0x057 EF_AMDGPU_MACHs (PR #92917)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-amdgpu

@llvm/pr-subscribers-llvm-binary-utilities

Author: Konstantin Zhuravlyov (kzhuravl)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/92917.diff


2 Files Affected:

- (modified) llvm/docs/AMDGPUUsage.rst (+2) 
- (modified) llvm/include/llvm/BinaryFormat/ELF.h (+3-1) 


``````````diff
diff --git a/llvm/docs/AMDGPUUsage.rst b/llvm/docs/AMDGPUUsage.rst
index 75536bc5bea67..1004956ac8f10 100644
--- a/llvm/docs/AMDGPUUsage.rst
+++ b/llvm/docs/AMDGPUUsage.rst
@@ -1970,6 +1970,8 @@ The AMDGPU backend uses the following ELF header:
      ``EF_AMDGPU_MACH_AMDGCN_GFX10_3_GENERIC``  0x053      ``gfx10-3-generic``
      ``EF_AMDGPU_MACH_AMDGCN_GFX11_GENERIC``    0x054      ``gfx11-generic``
      *reserved*                                 0x055      Reserved.
+     *reserved*                                 0x056      Reserved.
+     *reserved*                                 0x057      Reserved.
      ========================================== ========== =============================
 
 Sections
diff --git a/llvm/include/llvm/BinaryFormat/ELF.h b/llvm/include/llvm/BinaryFormat/ELF.h
index f296acc2ca4bb..67cacaed2e12e 100644
--- a/llvm/include/llvm/BinaryFormat/ELF.h
+++ b/llvm/include/llvm/BinaryFormat/ELF.h
@@ -796,11 +796,13 @@ enum : unsigned {
   EF_AMDGPU_MACH_AMDGCN_GFX10_3_GENERIC   = 0x053,
   EF_AMDGPU_MACH_AMDGCN_GFX11_GENERIC     = 0x054,
   EF_AMDGPU_MACH_AMDGCN_RESERVED_0X55 = 0x055,
+  EF_AMDGPU_MACH_AMDGCN_RESERVED_0X56 = 0x056,
+  EF_AMDGPU_MACH_AMDGCN_RESERVED_0X57 = 0x057,
   // clang-format on
 
   // First/last AMDGCN-based processors.
   EF_AMDGPU_MACH_AMDGCN_FIRST = EF_AMDGPU_MACH_AMDGCN_GFX600,
-  EF_AMDGPU_MACH_AMDGCN_LAST = EF_AMDGPU_MACH_AMDGCN_GFX11_GENERIC,
+  EF_AMDGPU_MACH_AMDGCN_LAST = EF_AMDGPU_MACH_AMDGCN_RESERVED_0X57,
 
   // Indicates if the "xnack" target feature is enabled for all code contained
   // in the object.

``````````

</details>


https://github.com/llvm/llvm-project/pull/92917