[RISCV] Add Andes XAndesVDot (Andes Vector Dot Product) extension. (#139849)

The spec can be found at:

https://github.com/andestech/andes-v5-isa/releases/tag/ast-v5_4_0-release.

This patch only supports assembler.

Intrinsics support will be added in a later patch.

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
index ee8aa37..1dab851 100644
--- a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
+++ b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
@@ -728,7 +728,8 @@ static constexpr FeatureBitset XTHeadGroup = {
     RISCV::FeatureVendorXTHeadVdot};
 
 static constexpr FeatureBitset XAndesGroup = {
-    RISCV::FeatureVendorXAndesPerf, RISCV::FeatureVendorXAndesVPackFPH};
+    RISCV::FeatureVendorXAndesPerf, RISCV::FeatureVendorXAndesVPackFPH,
+    RISCV::FeatureVendorXAndesVDot};
 
 static constexpr DecoderListEntry DecoderList32[]{
     // Vendor Extensions