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

[Shengchen Kan via llvm-commits]

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@@ -926,7 +951,9 @@ void DisassemblerTables::emitContextTable(raw_ostream &o, unsigned &i) const {
       else
         o << "IC_VEX";
 
-      if ((index & ATTR_EVEX) && (index & ATTR_EVEXL2))
+      if ((index & ATTR_EVEXB) && (index & ATTR_EVEXU))
+        ; // Ignore ATTR_VEXL and ATTR_EVEXL2 under YMM rounding.
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KanRobert wrote:

Do you mean `L`, `L2` bits are ignored if EVEX.U and EVEX.b are set?  If so, should we add decoding test for it?

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