AMDGPU/ELF: Sort MACHs by value and add missing reserved MACHs

[kzhuravl]

Summary

• Sort MACHs by its value
• Add missing reserved MACHs
  • EF_AMDGPU_MACH_AMDGCN_RESERVED_0X3D
  • EF_AMDGPU_MACH_AMDGCN_RESERVED_0X3E

[kzhuravl]

Update docs.

[rampitec]

Thanks, Konstantin!

llvm/docs/AMDGPUUsage.rst

.. table:: AMDGPU ``EF_AMDGPU_MACH`` Values
      ``EF_AMDGPU_MACH_AMDGCN_GFX803``     0x02a      ``gfx803``
      ``EF_AMDGPU_MACH_AMDGCN_GFX810``     0x02b      ``gfx810``
      ``EF_AMDGPU_MACH_AMDGCN_GFX900``     0x02c      ``gfx900``
      ``EF_AMDGPU_MACH_AMDGCN_GFX902``     0x02d      ``gfx902``
      ``EF_AMDGPU_MACH_AMDGCN_GFX904``     0x02e      ``gfx904``
      ``EF_AMDGPU_MACH_AMDGCN_GFX906``     0x02f      ``gfx906``
      ``EF_AMDGPU_MACH_AMDGCN_GFX908``     0x030      ``gfx908``
      ``EF_AMDGPU_MACH_AMDGCN_GFX909``     0x031      ``gfx909``
-     ``EF_AMDGPU_MACH_AMDGCN_GFX90A``     0x03f      ``gfx90a``
      ``EF_AMDGPU_MACH_AMDGCN_GFX90C``     0x032      ``gfx90c``
      ``EF_AMDGPU_MACH_AMDGCN_GFX1010``    0x033      ``gfx1010``
      ``EF_AMDGPU_MACH_AMDGCN_GFX1011``    0x034      ``gfx1011``
      ``EF_AMDGPU_MACH_AMDGCN_GFX1012``    0x035      ``gfx1012``
      ``EF_AMDGPU_MACH_AMDGCN_GFX1030``    0x036      ``gfx1030``
      ``EF_AMDGPU_MACH_AMDGCN_GFX1031``    0x037      ``gfx1031``
      ``EF_AMDGPU_MACH_AMDGCN_GFX1032``    0x038      ``gfx1032``
      ``EF_AMDGPU_MACH_AMDGCN_GFX1033``    0x039      ``gfx1033``
      ``EF_AMDGPU_MACH_AMDGCN_GFX602``     0x03a      ``gfx602``
      ``EF_AMDGPU_MACH_AMDGCN_GFX705``     0x03b      ``gfx705``
      ``EF_AMDGPU_MACH_AMDGCN_GFX805``     0x03c      ``gfx805``
+     *reserved*                           0x03d      Reserved.
+     *reserved*                           0x03e      Reserved.
+     ``EF_AMDGPU_MACH_AMDGCN_GFX90A``     0x03f      ``gfx90a``
      ==================================== ========== =============================
 
 Sections
 --------
 
 An AMDGPU target ELF code object has the standard ELF sections which include:
 
   .. table:: AMDGPU ELF Sections

llvm/include/llvm/BinaryFormat/ELF.h

enum : unsigned {
   EF_AMDGPU_MACH_AMDGCN_GFX803        = 0x02a,
   EF_AMDGPU_MACH_AMDGCN_GFX810        = 0x02b,
   EF_AMDGPU_MACH_AMDGCN_GFX900        = 0x02c,
   EF_AMDGPU_MACH_AMDGCN_GFX902        = 0x02d,
   EF_AMDGPU_MACH_AMDGCN_GFX904        = 0x02e,
   EF_AMDGPU_MACH_AMDGCN_GFX906        = 0x02f,
   EF_AMDGPU_MACH_AMDGCN_GFX908        = 0x030,
   EF_AMDGPU_MACH_AMDGCN_GFX909        = 0x031,
-  EF_AMDGPU_MACH_AMDGCN_GFX90A        = 0x03f,
   EF_AMDGPU_MACH_AMDGCN_GFX90C        = 0x032,
   EF_AMDGPU_MACH_AMDGCN_GFX1010       = 0x033,
   EF_AMDGPU_MACH_AMDGCN_GFX1011       = 0x034,
   EF_AMDGPU_MACH_AMDGCN_GFX1012       = 0x035,
   EF_AMDGPU_MACH_AMDGCN_GFX1030       = 0x036,
   EF_AMDGPU_MACH_AMDGCN_GFX1031       = 0x037,
   EF_AMDGPU_MACH_AMDGCN_GFX1032       = 0x038,
   EF_AMDGPU_MACH_AMDGCN_GFX1033       = 0x039,
   EF_AMDGPU_MACH_AMDGCN_GFX602        = 0x03a,
   EF_AMDGPU_MACH_AMDGCN_GFX705        = 0x03b,
   EF_AMDGPU_MACH_AMDGCN_GFX805        = 0x03c,
+  EF_AMDGPU_MACH_AMDGCN_RESERVED_0X3D = 0x03d,
+  EF_AMDGPU_MACH_AMDGCN_RESERVED_0X3E = 0x03e,
+  EF_AMDGPU_MACH_AMDGCN_GFX90A        = 0x03f,
 
   // First/last AMDGCN-based processors.
   EF_AMDGPU_MACH_AMDGCN_FIRST = EF_AMDGPU_MACH_AMDGCN_GFX600,
   EF_AMDGPU_MACH_AMDGCN_LAST = EF_AMDGPU_MACH_AMDGCN_GFX90A,
 
   // Indicates if the "xnack" target feature is enabled for all code contained
   // in the object.
   EF_AMDGPU_XNACK = 0x100,