[clang] [RISCV] Support Xsfvqmaccdod and Xsfvqmaccqoq extensions (PR #68295)

[Craig Topper via cfe-commits]

================
@@ -558,6 +558,12 @@ DecodeStatus RISCVDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
                           "XTHeadVdot custom opcode table");
     TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXSfvcp, DecoderTableXSfvcp32,
                           "SiFive VCIX custom opcode table");
+    TRY_TO_DECODE_FEATURE(
+        RISCV::FeatureVendorXSfvqmaccdod, DecoderTableXSfvqmaccdod32,
+        "SiFive Matrix Multiplication Instruction opcode table");
+    TRY_TO_DECODE_FEATURE(
+        RISCV::FeatureVendorXSfvqmaccqoq, DecoderTableXSfvqmaccqoq32,
+        "SiFive Matrix Multiplication Instruction opcode table");
----------------
topperc wrote:

This should use a different string than the one above.

https://github.com/llvm/llvm-project/pull/68295