[Hexagon] Adding deallocframe and circular addressing loads.

llvm-svn: 224869

1 files changed, 19 insertions, 0 deletions

diff --git a/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp b/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
index 31063173aab..015efea3437 100644
--- a/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
+++ b/llvm/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
@@ -49,6 +49,8 @@ public:
 };
 }
 
+static DecodeStatus DecodeModRegsRegisterClass(MCInst &Inst, unsigned RegNo,
+  uint64_t Address, const void *Decoder);
 static DecodeStatus DecodeCtrRegsRegisterClass(MCInst &Inst, unsigned RegNo,
   uint64_t Address, const void *Decoder);
 
@@ -105,6 +107,23 @@ static DecodeStatus DecodeCtrRegsRegisterClass(MCInst &Inst, unsigned RegNo,
   return MCDisassembler::Success;
 }
 
+static DecodeStatus DecodeModRegsRegisterClass(MCInst &Inst, unsigned RegNo,
+  uint64_t /*Address*/, const void *Decoder) {
+  unsigned Register = 0;
+  switch (RegNo) {
+  case 0:
+    Register = Hexagon::M0;
+    break;
+  case 1:
+    Register = Hexagon::M1;
+    break;
+  default:
+    return MCDisassembler::Fail;
+  }
+  Inst.addOperand(MCOperand::CreateReg(Register));
+  return MCDisassembler::Success;
+}
+
 static DecodeStatus DecodeDoubleRegsRegisterClass(MCInst &Inst, unsigned RegNo,
   uint64_t /*Address*/, const void *Decoder) {
   static const uint16_t DoubleRegDecoderTable[] = {