[clang] [llvm] [RISCV] Assembler support for XRivosVizip (PR #127694)

[Philip Reames via cfe-commits]

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@@ -721,6 +721,8 @@ DecodeStatus RISCVDisassembler::getInstruction32(MCInst &MI, uint64_t &Size,
                         "Qualcomm uC Conditional Move custom opcode table");
   TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXqciint, DecoderTableXqciint32,
                         "Qualcomm uC Interrupts custom opcode table");
+  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXRivosVizip, DecoderTableXRivos32,
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preames wrote:

I noticed that many of the existing extensions have one decode table per extension.  I thought the idea was we had one decode table *per vendor* unless and until that vendor had an encoding conflict in their own extension sets?

https://github.com/llvm/llvm-project/pull/127694