diff --git a/llvm/docs/AMDGPUUsage.rst b/llvm/docs/AMDGPUUsage.rst
--- a/llvm/docs/AMDGPUUsage.rst
+++ b/llvm/docs/AMDGPUUsage.rst
@@ -1156,6 +1156,7 @@
      *reserved*                           0x03e      Reserved.
      ``EF_AMDGPU_MACH_AMDGCN_GFX90A``     0x03f      ``gfx90a``
      *reserved*                           0x040      Reserved.
+     *reserved*                           0x041      Reserved.
      ==================================== ========== =============================
 
 Sections
diff --git a/llvm/include/llvm/BinaryFormat/ELF.h b/llvm/include/llvm/BinaryFormat/ELF.h
--- a/llvm/include/llvm/BinaryFormat/ELF.h
+++ b/llvm/include/llvm/BinaryFormat/ELF.h
@@ -734,6 +734,7 @@
   EF_AMDGPU_MACH_AMDGCN_RESERVED_0X3E = 0x03e,
   EF_AMDGPU_MACH_AMDGCN_GFX90A        = 0x03f,
   EF_AMDGPU_MACH_AMDGCN_RESERVED_0X40 = 0x040,
+  EF_AMDGPU_MACH_AMDGCN_RESERVED_0X41 = 0x041,
 
   // First/last AMDGCN-based processors.
   EF_AMDGPU_MACH_AMDGCN_FIRST = EF_AMDGPU_MACH_AMDGCN_GFX600,