1 files changed, 88 insertions, 40 deletions

diff --git a/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp b/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp
index 9260b4a27661..d8b9a2567eeb 100644
--- a/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp
+++ b/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp
@@ -18,27 +18,77 @@
 
 using namespace llvm;
 
+std::unique_ptr <MCInstrInfo const> HexagonMCInst::MCII;
+
+HexagonMCInst::HexagonMCInst() : MCInst() {}
+HexagonMCInst::HexagonMCInst(MCInstrDesc const &mcid) : MCInst() {}
+
+void HexagonMCInst::AppendImplicitOperands(MCInst &MCI) {
+  MCI.addOperand(MCOperand::CreateImm(0));
+  MCI.addOperand(MCOperand::CreateInst(nullptr));
+}
+
+std::bitset<16> HexagonMCInst::GetImplicitBits(MCInst const &MCI) {
+  SanityCheckImplicitOperands(MCI);
+  std::bitset<16> Bits(MCI.getOperand(MCI.getNumOperands() - 2).getImm());
+  return Bits;
+}
+
+void HexagonMCInst::SetImplicitBits(MCInst &MCI, std::bitset<16> Bits) {
+  SanityCheckImplicitOperands(MCI);
+  MCI.getOperand(MCI.getNumOperands() - 2).setImm(Bits.to_ulong());
+}
+
+void HexagonMCInst::setPacketBegin(bool f) {
+  std::bitset<16> Bits(GetImplicitBits(*this));
+  Bits.set(packetBeginIndex, f);
+  SetImplicitBits(*this, Bits);
+}
+
+bool HexagonMCInst::isPacketBegin() const {
+  std::bitset<16> Bits(GetImplicitBits(*this));
+  return Bits.test(packetBeginIndex);
+}
+
+void HexagonMCInst::setPacketEnd(bool f) {
+  std::bitset<16> Bits(GetImplicitBits(*this));
+  Bits.set(packetEndIndex, f);
+  SetImplicitBits(*this, Bits);
+}
+
+bool HexagonMCInst::isPacketEnd() const {
+  std::bitset<16> Bits(GetImplicitBits(*this));
+  return Bits.test(packetEndIndex);
+}
+
+void HexagonMCInst::resetPacket() {
+  setPacketBegin(false);
+  setPacketEnd(false);
+}
+
 // Return the slots used by the insn.
-unsigned HexagonMCInst::getUnits(const HexagonTargetMachine* TM) const {
-  const HexagonInstrInfo* QII = TM->getInstrInfo();
-  const InstrItineraryData* II = TM->getInstrItineraryData();
-  const InstrStage*
-    IS = II->beginStage(QII->get(this->getOpcode()).getSchedClass());
+unsigned HexagonMCInst::getUnits(const HexagonTargetMachine *TM) const {
+  const HexagonInstrInfo *QII = TM->getSubtargetImpl()->getInstrInfo();
+  const InstrItineraryData *II =
+      TM->getSubtargetImpl()->getInstrItineraryData();
+  const InstrStage *IS =
+      II->beginStage(QII->get(this->getOpcode()).getSchedClass());
 
   return (IS->getUnits());
 }
 
+MCInstrDesc const& HexagonMCInst::getDesc() const { return (MCII->get(getOpcode())); }
+
 // Return the Hexagon ISA class for the insn.
 unsigned HexagonMCInst::getType() const {
-  const uint64_t F = MCID->TSFlags;
+  const uint64_t F = getDesc().TSFlags;
 
   return ((F >> HexagonII::TypePos) & HexagonII::TypeMask);
 }
 
 // Return whether the insn is an actual insn.
 bool HexagonMCInst::isCanon() const {
-  return (!MCID->isPseudo() &&
-          !isPrefix() &&
+  return (!getDesc().isPseudo() && !isPrefix() &&
           getType() != HexagonII::TypeENDLOOP);
 }
 
@@ -49,30 +99,30 @@ bool HexagonMCInst::isPrefix() const {
 
 // Return whether the insn is solo, i.e., cannot be in a packet.
 bool HexagonMCInst::isSolo() const {
-  const uint64_t F = MCID->TSFlags;
+  const uint64_t F = getDesc().TSFlags;
   return ((F >> HexagonII::SoloPos) & HexagonII::SoloMask);
 }
 
 // Return whether the insn is a new-value consumer.
 bool HexagonMCInst::isNewValue() const {
-  const uint64_t F = MCID->TSFlags;
+  const uint64_t F = getDesc().TSFlags;
   return ((F >> HexagonII::NewValuePos) & HexagonII::NewValueMask);
 }
 
 // Return whether the instruction is a legal new-value producer.
 bool HexagonMCInst::hasNewValue() const {
-  const uint64_t F = MCID->TSFlags;
+  const uint64_t F = getDesc().TSFlags;
   return ((F >> HexagonII::hasNewValuePos) & HexagonII::hasNewValueMask);
 }
 
 // Return the operand that consumes or produces a new value.
-const MCOperand& HexagonMCInst::getNewValue() const {
-  const uint64_t F = MCID->TSFlags;
-  const unsigned O = (F >> HexagonII::NewValueOpPos) &
-                     HexagonII::NewValueOpMask;
-  const MCOperand& MCO = getOperand(O);
+const MCOperand &HexagonMCInst::getNewValue() const {
+  const uint64_t F = getDesc().TSFlags;
+  const unsigned O =
+      (F >> HexagonII::NewValueOpPos) & HexagonII::NewValueOpMask;
+  const MCOperand &MCO = getOperand(O);
 
-  assert ((isNewValue() || hasNewValue()) && MCO.isReg());
+  assert((isNewValue() || hasNewValue()) && MCO.isReg());
   return (MCO);
 }
 
@@ -92,9 +142,9 @@ bool HexagonMCInst::isConstExtended(void) const {
     return false;
 
   short ExtOpNum = getCExtOpNum();
-  int MinValue   = getMinValue();
-  int MaxValue   = getMaxValue();
-  const MCOperand& MO = getOperand(ExtOpNum);
+  int MinValue = getMinValue();
+  int MaxValue = getMaxValue();
+  const MCOperand &MO = getOperand(ExtOpNum);
 
   // We could be using an instruction with an extendable immediate and shoehorn
   // a global address into it. If it is a global address it will be constant
@@ -115,46 +165,45 @@ bool HexagonMCInst::isConstExtended(void) const {
 
 // Return whether the instruction must be always extended.
 bool HexagonMCInst::isExtended(void) const {
-  const uint64_t F = MCID->TSFlags;
+  const uint64_t F = getDesc().TSFlags;
   return (F >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask;
 }
 
 // Return true if the instruction may be extended based on the operand value.
 bool HexagonMCInst::isExtendable(void) const {
-  const uint64_t F = MCID->TSFlags;
+  const uint64_t F = getDesc().TSFlags;
   return (F >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask;
 }
 
 // Return number of bits in the constant extended operand.
 unsigned HexagonMCInst::getBitCount(void) const {
-  const uint64_t F = MCID->TSFlags;
+  const uint64_t F = getDesc().TSFlags;
   return ((F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask);
 }
 
 // Return constant extended operand number.
 unsigned short HexagonMCInst::getCExtOpNum(void) const {
-  const uint64_t F = MCID->TSFlags;
+  const uint64_t F = getDesc().TSFlags;
   return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask);
 }
 
 // Return whether the operand can be constant extended.
 bool HexagonMCInst::isOperandExtended(const unsigned short OperandNum) const {
-  const uint64_t F = MCID->TSFlags;
-  return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask)
-          == OperandNum;
+  const uint64_t F = getDesc().TSFlags;
+  return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask) ==
+         OperandNum;
 }
 
 // Return the min value that a constant extendable operand can have
 // without being extended.
 int HexagonMCInst::getMinValue(void) const {
-  const uint64_t F = MCID->TSFlags;
-  unsigned isSigned = (F >> HexagonII::ExtentSignedPos)
-                    & HexagonII::ExtentSignedMask;
-  unsigned bits =  (F >> HexagonII::ExtentBitsPos)
-                    & HexagonII::ExtentBitsMask;
+  const uint64_t F = getDesc().TSFlags;
+  unsigned isSigned =
+      (F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
+  unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
 
   if (isSigned) // if value is signed
-    return -1 << (bits - 1);
+    return -1U << (bits - 1);
   else
     return 0;
 }
@@ -162,14 +211,13 @@ int HexagonMCInst::getMinValue(void) const {
 // Return the max value that a constant extendable operand can have
 // without being extended.
 int HexagonMCInst::getMaxValue(void) const {
-  const uint64_t F = MCID->TSFlags;
-  unsigned isSigned = (F >> HexagonII::ExtentSignedPos)
-                    & HexagonII::ExtentSignedMask;
-  unsigned bits =  (F >> HexagonII::ExtentBitsPos)
-                    & HexagonII::ExtentBitsMask;
+  const uint64_t F = getDesc().TSFlags;
+  unsigned isSigned =
+      (F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
+  unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
 
   if (isSigned) // if value is signed
-    return ~(-1 << (bits - 1));
+    return ~(-1U << (bits - 1));
   else
-    return ~(-1 << bits);
+    return ~(-1U << bits);
 }