[RISCV] Add Andes XAndesVPackFPH (Andes Vector Packed FP16) extension. (#138827)

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 8f1b790..ee8aa37 100644
--- a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
+++ b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
@@ -727,7 +727,8 @@ static constexpr FeatureBitset XTHeadGroup = {
     RISCV::FeatureVendorXTHeadMemPair, RISCV::FeatureVendorXTHeadSync,
     RISCV::FeatureVendorXTHeadVdot};
 
-static constexpr FeatureBitset XAndesGroup = {RISCV::FeatureVendorXAndesPerf};
+static constexpr FeatureBitset XAndesGroup = {
+    RISCV::FeatureVendorXAndesPerf, RISCV::FeatureVendorXAndesVPackFPH};
 
 static constexpr DecoderListEntry DecoderList32[]{
     // Vendor Extensions