[llvm] [RISCV] Add Xqci Insn Formats (PR #132986)

[Sam Elliott via llvm-commits]

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@@ -799,12 +799,6 @@ def InsnCJ : DirectiveInsnCJ<(outs), (ins uimm2_opcode:$opcode,
                                           uimm3:$funct3,
                                           simm12_lsb0:$imm11),
                              "$opcode, $funct3, $imm11">;
-def Insn16 : RVInst16<(outs), (ins uimm16:$value), "", "", [], InstFormatOther> {
-  bits<16> value;
-
-  let Inst{15-0} = value;
-  let AsmString = ".insn 0x2, $value";
-}
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lenary wrote:

This was under a predicate, which I wasn't sure was right, so I moved it, with the others, into their own unpredicated block, separate from the `.insn_<format>` instructions/aliases.

https://github.com/llvm/llvm-project/pull/132986