[Hexagon] Adding vector load with post-increment instructions. Adding decoder functi...

[oota-llvm.git] / lib / Target / Hexagon / Disassembler / HexagonDisassembler.cpp

diff --git a/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp b/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
index 44f9d93e8fc7c30f2e099018f61d5e69c543c6a7..88f633f2acd8382796ce187ebef96f30f56b86ec 100644 (file)
--- a/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
+++ b/lib/Target/Hexagon/Disassembler/HexagonDisassembler.cpp
@@ -51,6 +51,8 @@ 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);
+static DecodeStatus DecodeCtrRegs64RegisterClass(MCInst &Inst, unsigned RegNo,
+                                   uint64_t Address, void const *Decoder);
 
 static const uint16_t IntRegDecoderTable[] = {
   Hexagon::R0, Hexagon::R1, Hexagon::R2, Hexagon::R3, Hexagon::R4,
@@ -105,6 +107,30 @@ static DecodeStatus DecodeCtrRegsRegisterClass(MCInst &Inst, unsigned RegNo,
   return MCDisassembler::Success;
 }
 
+static DecodeStatus DecodeCtrRegs64RegisterClass(MCInst &Inst, unsigned RegNo,
+                                   uint64_t /*Address*/, void const *Decoder) {
+  static const uint16_t CtrlReg64DecoderTable[] = {
+    Hexagon::C1_0, Hexagon::NoRegister,
+    Hexagon::C3_2, Hexagon::NoRegister,
+    Hexagon::NoRegister, Hexagon::NoRegister,
+    Hexagon::C7_6, Hexagon::NoRegister,
+    Hexagon::C9_8, Hexagon::NoRegister,
+    Hexagon::C11_10, Hexagon::NoRegister,
+    Hexagon::CS, Hexagon::NoRegister,
+    Hexagon::UPC, Hexagon::NoRegister
+  };
+
+  if (RegNo >= sizeof(CtrlReg64DecoderTable) / sizeof(CtrlReg64DecoderTable[0]))
+    return MCDisassembler::Fail;
+
+  if (CtrlReg64DecoderTable[RegNo] == Hexagon::NoRegister)
+    return MCDisassembler::Fail;
+
+  unsigned Register = CtrlReg64DecoderTable[RegNo];
+  Inst.addOperand(MCOperand::CreateReg(Register));
+  return MCDisassembler::Success;
+}
+
 static DecodeStatus DecodeModRegsRegisterClass(MCInst &Inst, unsigned RegNo,
   uint64_t /*Address*/, const void *Decoder) {
   unsigned Register = 0;