[RISCV] Merge DecoderNamespace for T-Head extensions. NFC (#130555)

Consistent with what has been done for Rivos, SiFive, and Qualcomm
extensions.

1 files changed, 10 insertions, 22 deletions

diff --git a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
index 6dfebc1..e488ec3 100644
--- a/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
+++ b/llvm/lib/Target/RISCV/Disassembler/RISCVDisassembler.cpp
@@ -667,6 +667,14 @@ static constexpr FeatureBitset XSfSystemGroup = {
     RISCV::FeatureVendorXSiFivecflushdlone,
 };
 
+static constexpr FeatureBitset XTHeadGroup = {
+    RISCV::FeatureVendorXTHeadBa,      RISCV::FeatureVendorXTHeadBb,
+    RISCV::FeatureVendorXTHeadBs,      RISCV::FeatureVendorXTHeadCondMov,
+    RISCV::FeatureVendorXTHeadCmo,     RISCV::FeatureVendorXTHeadFMemIdx,
+    RISCV::FeatureVendorXTHeadMac,     RISCV::FeatureVendorXTHeadMemIdx,
+    RISCV::FeatureVendorXTHeadMemPair, RISCV::FeatureVendorXTHeadSync,
+    RISCV::FeatureVendorXTHeadVdot};
+
 DecodeStatus RISCVDisassembler::getInstruction32(MCInst &MI, uint64_t &Size,
                                                  ArrayRef<uint8_t> Bytes,
                                                  uint64_t Address,
@@ -681,28 +689,8 @@ DecodeStatus RISCVDisassembler::getInstruction32(MCInst &MI, uint64_t &Size,
 
   TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXVentanaCondOps,
                         DecoderTableXVentana32, "XVentanaCondOps");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadBa, DecoderTableXTHeadBa32,
-                        "XTHeadBa");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadBb, DecoderTableXTHeadBb32,
-                        "XTHeadBb");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadBs, DecoderTableXTHeadBs32,
-                        "XTHeadBs");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadCondMov,
-                        DecoderTableXTHeadCondMov32, "XTHeadCondMov");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadCmo, DecoderTableXTHeadCmo32,
-                        "XTHeadCmo");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadFMemIdx,
-                        DecoderTableXTHeadFMemIdx32, "XTHeadFMemIdx");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadMac, DecoderTableXTHeadMac32,
-                        "XTHeadMac");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadMemIdx,
-                        DecoderTableXTHeadMemIdx32, "XTHeadMemIdx");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadMemPair,
-                        DecoderTableXTHeadMemPair32, "XTHeadMemPair");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadSync,
-                        DecoderTableXTHeadSync32, "XTHeadSync");
-  TRY_TO_DECODE_FEATURE(RISCV::FeatureVendorXTHeadVdot,
-                        DecoderTableXTHeadVdot32, "XTHeadVdot");
+  TRY_TO_DECODE_FEATURE_ANY(XTHeadGroup, DecoderTableXTHead32,
+                            "T-Head extensions");
   TRY_TO_DECODE_FEATURE_ANY(XSfVectorGroup, DecoderTableXSfvector32,
                             "SiFive vector extensions");
   TRY_TO_DECODE_FEATURE_ANY(XSfSystemGroup, DecoderTableXSfsystem32,