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

[Konstantin Zhuravlyov via llvm-commits]

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

None

>From 115b439a7c8a4093060131830668fa17d513e491 Mon Sep 17 00:00:00 2001
From: Konstantin Zhuravlyov <kzhuravl_dev at outlook.com>
Date: Tue, 21 May 2024 09:47:45 -0400
Subject: [PATCH] AMDGPU/NFC: Reserve 0x056 and 0x057 EF_AMDGPU_MACHs

---
 llvm/docs/AMDGPUUsage.rst            | 2 ++
 llvm/include/llvm/BinaryFormat/ELF.h | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

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.