[clang] [llvm] [X86][AVX10.2] Support AVX10.2 option and VMPSADBW/VADDP[D,H,S] new instructions (PR #101452)

[Shengchen Kan via cfe-commits]

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@@ -131,7 +131,7 @@ class X86OpcodePrefixHelper {
   // | RM (VR)  | EVEX_X  | EVEX_B | modrm.r/m | VR      | Dest or Src  |
   // | RM (GPR) | EVEX_B' | EVEX_B | modrm.r/m | GPR     | Dest or Src  |
   // | BASE     | EVEX_B' | EVEX_B | modrm.r/m | GPR     | MA           |
-  // | INDEX    | EVEX_X' | EVEX_X | sib.index | GPR     | MA           |
+  // | INDEX    | EVEX_U  | EVEX_X | sib.index | GPR     | MA           |
----------------
KanRobert wrote:

Keep unchanged?

https://github.com/llvm/llvm-project/pull/101452
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