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Diffstat (limited to 'lib/Target/Hexagon/HexagonVLIWPacketizer.cpp')
| -rw-r--r-- | lib/Target/Hexagon/HexagonVLIWPacketizer.cpp | 3642 |
1 files changed, 0 insertions, 3642 deletions
diff --git a/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp b/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp deleted file mode 100644 index c6e7bd1..0000000 --- a/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp +++ /dev/null @@ -1,3642 +0,0 @@ -//===----- HexagonPacketizer.cpp - vliw packetizer ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This implements a simple VLIW packetizer using DFA. The packetizer works on -// machine basic blocks. For each instruction I in BB, the packetizer consults -// the DFA to see if machine resources are available to execute I. If so, the -// packetizer checks if I depends on any instruction J in the current packet. -// If no dependency is found, I is added to current packet and machine resource -// is marked as taken. If any dependency is found, a target API call is made to -// prune the dependence. -// -//===----------------------------------------------------------------------===// -#define DEBUG_TYPE "packets" -#include "llvm/CodeGen/DFAPacketizer.h" -#include "llvm/CodeGen/Passes.h" -#include "llvm/CodeGen/MachineDominators.h" -#include "llvm/CodeGen/MachineFunctionPass.h" -#include "llvm/CodeGen/MachineLoopInfo.h" -#include "llvm/CodeGen/ScheduleDAG.h" -#include "llvm/CodeGen/ScheduleDAGInstrs.h" -#include "llvm/CodeGen/LatencyPriorityQueue.h" -#include "llvm/CodeGen/SchedulerRegistry.h" -#include "llvm/CodeGen/MachineFrameInfo.h" -#include "llvm/CodeGen/MachineInstrBuilder.h" -#include "llvm/CodeGen/MachineRegisterInfo.h" -#include "llvm/CodeGen/MachineFunctionAnalysis.h" -#include "llvm/CodeGen/ScheduleHazardRecognizer.h" -#include "llvm/Target/TargetMachine.h" -#include "llvm/Target/TargetInstrInfo.h" -#include "llvm/Target/TargetRegisterInfo.h" -#include "llvm/ADT/DenseMap.h" -#include "llvm/ADT/Statistic.h" -#include "llvm/Support/MathExtras.h" -#include "llvm/MC/MCInstrItineraries.h" -#include "llvm/Support/Compiler.h" -#include "llvm/Support/CommandLine.h" -#include "llvm/Support/Debug.h" -#include "Hexagon.h" -#include "HexagonTargetMachine.h" -#include "HexagonRegisterInfo.h" -#include "HexagonSubtarget.h" -#include "HexagonMachineFunctionInfo.h" - -#include <map> - -using namespace llvm; - -namespace { - class HexagonPacketizer : public MachineFunctionPass { - - public: - static char ID; - HexagonPacketizer() : MachineFunctionPass(ID) {} - - void getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesCFG(); - AU.addRequired<MachineDominatorTree>(); - AU.addPreserved<MachineDominatorTree>(); - AU.addRequired<MachineLoopInfo>(); - AU.addPreserved<MachineLoopInfo>(); - MachineFunctionPass::getAnalysisUsage(AU); - } - - const char *getPassName() const { - return "Hexagon Packetizer"; - } - - bool runOnMachineFunction(MachineFunction &Fn); - }; - char HexagonPacketizer::ID = 0; - - class HexagonPacketizerList : public VLIWPacketizerList { - - private: - - // Has the instruction been promoted to a dot-new instruction. - bool PromotedToDotNew; - - // Has the instruction been glued to allocframe. - bool GlueAllocframeStore; - - // Has the feeder instruction been glued to new value jump. - bool GlueToNewValueJump; - - // Check if there is a dependence between some instruction already in this - // packet and this instruction. - bool Dependence; - - // Only check for dependence if there are resources available to - // schedule this instruction. - bool FoundSequentialDependence; - - public: - // Ctor. - HexagonPacketizerList(MachineFunction &MF, MachineLoopInfo &MLI, - MachineDominatorTree &MDT); - - // initPacketizerState - initialize some internal flags. - void initPacketizerState(); - - // ignorePseudoInstruction - Ignore bundling of pseudo instructions. - bool ignorePseudoInstruction(MachineInstr *MI, MachineBasicBlock *MBB); - - // isSoloInstruction - return true if instruction MI can not be packetized - // with any other instruction, which means that MI itself is a packet. - bool isSoloInstruction(MachineInstr *MI); - - // isLegalToPacketizeTogether - Is it legal to packetize SUI and SUJ - // together. - bool isLegalToPacketizeTogether(SUnit *SUI, SUnit *SUJ); - - // isLegalToPruneDependencies - Is it legal to prune dependece between SUI - // and SUJ. - bool isLegalToPruneDependencies(SUnit *SUI, SUnit *SUJ); - - MachineBasicBlock::iterator addToPacket(MachineInstr *MI); - private: - bool IsCallDependent(MachineInstr* MI, SDep::Kind DepType, unsigned DepReg); - bool PromoteToDotNew(MachineInstr* MI, SDep::Kind DepType, - MachineBasicBlock::iterator &MII, - const TargetRegisterClass* RC); - bool CanPromoteToDotNew(MachineInstr* MI, SUnit* PacketSU, - unsigned DepReg, - std::map <MachineInstr*, SUnit*> MIToSUnit, - MachineBasicBlock::iterator &MII, - const TargetRegisterClass* RC); - bool CanPromoteToNewValue(MachineInstr* MI, SUnit* PacketSU, - unsigned DepReg, - std::map <MachineInstr*, SUnit*> MIToSUnit, - MachineBasicBlock::iterator &MII); - bool CanPromoteToNewValueStore(MachineInstr* MI, MachineInstr* PacketMI, - unsigned DepReg, - std::map <MachineInstr*, SUnit*> MIToSUnit); - bool DemoteToDotOld(MachineInstr* MI); - bool ArePredicatesComplements(MachineInstr* MI1, MachineInstr* MI2, - std::map <MachineInstr*, SUnit*> MIToSUnit); - bool RestrictingDepExistInPacket(MachineInstr*, - unsigned, std::map <MachineInstr*, SUnit*>); - bool isNewifiable(MachineInstr* MI); - bool isCondInst(MachineInstr* MI); - bool IsNewifyStore (MachineInstr* MI); - bool tryAllocateResourcesForConstExt(MachineInstr* MI); - bool canReserveResourcesForConstExt(MachineInstr *MI); - void reserveResourcesForConstExt(MachineInstr* MI); - bool isNewValueInst(MachineInstr* MI); - bool isDotNewInst(MachineInstr* MI); - }; -} - -// HexagonPacketizerList Ctor. -HexagonPacketizerList::HexagonPacketizerList( - MachineFunction &MF, MachineLoopInfo &MLI,MachineDominatorTree &MDT) - : VLIWPacketizerList(MF, MLI, MDT, true){ -} - -bool HexagonPacketizer::runOnMachineFunction(MachineFunction &Fn) { - const TargetInstrInfo *TII = Fn.getTarget().getInstrInfo(); - MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>(); - MachineDominatorTree &MDT = getAnalysis<MachineDominatorTree>(); - - // Instantiate the packetizer. - HexagonPacketizerList Packetizer(Fn, MLI, MDT); - - // DFA state table should not be empty. - assert(Packetizer.getResourceTracker() && "Empty DFA table!"); - - // - // Loop over all basic blocks and remove KILL pseudo-instructions - // These instructions confuse the dependence analysis. Consider: - // D0 = ... (Insn 0) - // R0 = KILL R0, D0 (Insn 1) - // R0 = ... (Insn 2) - // Here, Insn 1 will result in the dependence graph not emitting an output - // dependence between Insn 0 and Insn 2. This can lead to incorrect - // packetization - // - for (MachineFunction::iterator MBB = Fn.begin(), MBBe = Fn.end(); - MBB != MBBe; ++MBB) { - MachineBasicBlock::iterator End = MBB->end(); - MachineBasicBlock::iterator MI = MBB->begin(); - while (MI != End) { - if (MI->isKill()) { - MachineBasicBlock::iterator DeleteMI = MI; - ++MI; - MBB->erase(DeleteMI); - End = MBB->end(); - continue; - } - ++MI; - } - } - - // Loop over all of the basic blocks. - for (MachineFunction::iterator MBB = Fn.begin(), MBBe = Fn.end(); - MBB != MBBe; ++MBB) { - // Find scheduling regions and schedule / packetize each region. - unsigned RemainingCount = MBB->size(); - for(MachineBasicBlock::iterator RegionEnd = MBB->end(); - RegionEnd != MBB->begin();) { - // The next region starts above the previous region. Look backward in the - // instruction stream until we find the nearest boundary. - MachineBasicBlock::iterator I = RegionEnd; - for(;I != MBB->begin(); --I, --RemainingCount) { - if (TII->isSchedulingBoundary(llvm::prior(I), MBB, Fn)) - break; - } - I = MBB->begin(); - - // Skip empty scheduling regions. - if (I == RegionEnd) { - RegionEnd = llvm::prior(RegionEnd); - --RemainingCount; - continue; - } - // Skip regions with one instruction. - if (I == llvm::prior(RegionEnd)) { - RegionEnd = llvm::prior(RegionEnd); - continue; - } - - Packetizer.PacketizeMIs(MBB, I, RegionEnd); - RegionEnd = I; - } - } - - return true; -} - - -static bool IsIndirectCall(MachineInstr* MI) { - return ((MI->getOpcode() == Hexagon::CALLR) || - (MI->getOpcode() == Hexagon::CALLRv3)); -} - -// Reserve resources for constant extender. Trigure an assertion if -// reservation fail. -void HexagonPacketizerList::reserveResourcesForConstExt(MachineInstr* MI) { - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - MachineInstr *PseudoMI = MI->getParent()->getParent()->CreateMachineInstr( - QII->get(Hexagon::IMMEXT), MI->getDebugLoc()); - - if (ResourceTracker->canReserveResources(PseudoMI)) { - ResourceTracker->reserveResources(PseudoMI); - MI->getParent()->getParent()->DeleteMachineInstr(PseudoMI); - } else { - MI->getParent()->getParent()->DeleteMachineInstr(PseudoMI); - llvm_unreachable("can not reserve resources for constant extender."); - } - return; -} - -bool HexagonPacketizerList::canReserveResourcesForConstExt(MachineInstr *MI) { - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - assert(QII->isExtended(MI) && - "Should only be called for constant extended instructions"); - MachineFunction *MF = MI->getParent()->getParent(); - MachineInstr *PseudoMI = MF->CreateMachineInstr(QII->get(Hexagon::IMMEXT), - MI->getDebugLoc()); - bool CanReserve = ResourceTracker->canReserveResources(PseudoMI); - MF->DeleteMachineInstr(PseudoMI); - return CanReserve; -} - -// Allocate resources (i.e. 4 bytes) for constant extender. If succeed, return -// true, otherwise, return false. -bool HexagonPacketizerList::tryAllocateResourcesForConstExt(MachineInstr* MI) { - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - MachineInstr *PseudoMI = MI->getParent()->getParent()->CreateMachineInstr( - QII->get(Hexagon::IMMEXT), MI->getDebugLoc()); - - if (ResourceTracker->canReserveResources(PseudoMI)) { - ResourceTracker->reserveResources(PseudoMI); - MI->getParent()->getParent()->DeleteMachineInstr(PseudoMI); - return true; - } else { - MI->getParent()->getParent()->DeleteMachineInstr(PseudoMI); - return false; - } -} - - -bool HexagonPacketizerList::IsCallDependent(MachineInstr* MI, - SDep::Kind DepType, - unsigned DepReg) { - - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); - - // Check for lr dependence - if (DepReg == QRI->getRARegister()) { - return true; - } - - if (QII->isDeallocRet(MI)) { - if (DepReg == QRI->getFrameRegister() || - DepReg == QRI->getStackRegister()) - return true; - } - - // Check if this is a predicate dependence - const TargetRegisterClass* RC = QRI->getMinimalPhysRegClass(DepReg); - if (RC == Hexagon::PredRegsRegisterClass) { - return true; - } - - // - // Lastly check for an operand used in an indirect call - // If we had an attribute for checking if an instruction is an indirect call, - // then we could have avoided this relatively brittle implementation of - // IsIndirectCall() - // - // Assumes that the first operand of the CALLr is the function address - // - if (IsIndirectCall(MI) && (DepType == SDep::Data)) { - MachineOperand MO = MI->getOperand(0); - if (MO.isReg() && MO.isUse() && (MO.getReg() == DepReg)) { - return true; - } - } - - return false; -} - -static bool IsRegDependence(const SDep::Kind DepType) { - return (DepType == SDep::Data || DepType == SDep::Anti || - DepType == SDep::Output); -} - -static bool IsDirectJump(MachineInstr* MI) { - return (MI->getOpcode() == Hexagon::JMP); -} - -static bool IsSchedBarrier(MachineInstr* MI) { - switch (MI->getOpcode()) { - case Hexagon::BARRIER: - return true; - } - return false; -} - -static bool IsControlFlow(MachineInstr* MI) { - return (MI->getDesc().isTerminator() || MI->getDesc().isCall()); -} - -bool HexagonPacketizerList::isNewValueInst(MachineInstr* MI) { - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - if (QII->isNewValueJump(MI)) - return true; - - if (QII->isNewValueStore(MI)) - return true; - - return false; -} - -// Function returns true if an instruction can be promoted to the new-value -// store. It will always return false for v2 and v3. -// It lists all the conditional and unconditional stores that can be promoted -// to the new-value stores. - -bool HexagonPacketizerList::IsNewifyStore (MachineInstr* MI) { - const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); - switch (MI->getOpcode()) - { - // store byte - case Hexagon::STrib: - case Hexagon::STrib_indexed: - case Hexagon::STrib_indexed_shl_V4: - case Hexagon::STrib_shl_V4: - case Hexagon::STrib_GP_V4: - case Hexagon::STb_GP_V4: - case Hexagon::POST_STbri: - case Hexagon::STrib_cPt: - case Hexagon::STrib_cdnPt_V4: - case Hexagon::STrib_cNotPt: - case Hexagon::STrib_cdnNotPt_V4: - case Hexagon::STrib_indexed_cPt: - case Hexagon::STrib_indexed_cdnPt_V4: - case Hexagon::STrib_indexed_cNotPt: - case Hexagon::STrib_indexed_cdnNotPt_V4: - case Hexagon::STrib_indexed_shl_cPt_V4: - case Hexagon::STrib_indexed_shl_cdnPt_V4: - case Hexagon::STrib_indexed_shl_cNotPt_V4: - case Hexagon::STrib_indexed_shl_cdnNotPt_V4: - case Hexagon::POST_STbri_cPt: - case Hexagon::POST_STbri_cdnPt_V4: - case Hexagon::POST_STbri_cNotPt: - case Hexagon::POST_STbri_cdnNotPt_V4: - case Hexagon::STb_GP_cPt_V4: - case Hexagon::STb_GP_cNotPt_V4: - case Hexagon::STb_GP_cdnPt_V4: - case Hexagon::STb_GP_cdnNotPt_V4: - case Hexagon::STrib_GP_cPt_V4: - case Hexagon::STrib_GP_cNotPt_V4: - case Hexagon::STrib_GP_cdnPt_V4: - case Hexagon::STrib_GP_cdnNotPt_V4: - - // store halfword - case Hexagon::STrih: - case Hexagon::STrih_indexed: - case Hexagon::STrih_indexed_shl_V4: - case Hexagon::STrih_shl_V4: - case Hexagon::STrih_GP_V4: - case Hexagon::STh_GP_V4: - case Hexagon::POST_SThri: - case Hexagon::STrih_cPt: - case Hexagon::STrih_cdnPt_V4: - case Hexagon::STrih_cNotPt: - case Hexagon::STrih_cdnNotPt_V4: - case Hexagon::STrih_indexed_cPt: - case Hexagon::STrih_indexed_cdnPt_V4: - case Hexagon::STrih_indexed_cNotPt: - case Hexagon::STrih_indexed_cdnNotPt_V4: - case Hexagon::STrih_indexed_shl_cPt_V4: - case Hexagon::STrih_indexed_shl_cdnPt_V4: - case Hexagon::STrih_indexed_shl_cNotPt_V4: - case Hexagon::STrih_indexed_shl_cdnNotPt_V4: - case Hexagon::POST_SThri_cPt: - case Hexagon::POST_SThri_cdnPt_V4: - case Hexagon::POST_SThri_cNotPt: - case Hexagon::POST_SThri_cdnNotPt_V4: - case Hexagon::STh_GP_cPt_V4: - case Hexagon::STh_GP_cNotPt_V4: - case Hexagon::STh_GP_cdnPt_V4: - case Hexagon::STh_GP_cdnNotPt_V4: - case Hexagon::STrih_GP_cPt_V4: - case Hexagon::STrih_GP_cNotPt_V4: - case Hexagon::STrih_GP_cdnPt_V4: - case Hexagon::STrih_GP_cdnNotPt_V4: - - // store word - case Hexagon::STriw: - case Hexagon::STriw_indexed: - case Hexagon::STriw_indexed_shl_V4: - case Hexagon::STriw_shl_V4: - case Hexagon::STriw_GP_V4: - case Hexagon::STw_GP_V4: - case Hexagon::POST_STwri: - case Hexagon::STriw_cPt: - case Hexagon::STriw_cdnPt_V4: - case Hexagon::STriw_cNotPt: - case Hexagon::STriw_cdnNotPt_V4: - case Hexagon::STriw_indexed_cPt: - case Hexagon::STriw_indexed_cdnPt_V4: - case Hexagon::STriw_indexed_cNotPt: - case Hexagon::STriw_indexed_cdnNotPt_V4: - case Hexagon::STriw_indexed_shl_cPt_V4: - case Hexagon::STriw_indexed_shl_cdnPt_V4: - case Hexagon::STriw_indexed_shl_cNotPt_V4: - case Hexagon::STriw_indexed_shl_cdnNotPt_V4: - case Hexagon::POST_STwri_cPt: - case Hexagon::POST_STwri_cdnPt_V4: - case Hexagon::POST_STwri_cNotPt: - case Hexagon::POST_STwri_cdnNotPt_V4: - case Hexagon::STw_GP_cPt_V4: - case Hexagon::STw_GP_cNotPt_V4: - case Hexagon::STw_GP_cdnPt_V4: - case Hexagon::STw_GP_cdnNotPt_V4: - case Hexagon::STriw_GP_cPt_V4: - case Hexagon::STriw_GP_cNotPt_V4: - case Hexagon::STriw_GP_cdnPt_V4: - case Hexagon::STriw_GP_cdnNotPt_V4: - return QRI->Subtarget.hasV4TOps(); - } - return false; -} - -static bool IsLoopN(MachineInstr *MI) { - return (MI->getOpcode() == Hexagon::LOOP0_i || - MI->getOpcode() == Hexagon::LOOP0_r); -} - -/// DoesModifyCalleeSavedReg - Returns true if the instruction modifies a -/// callee-saved register. -static bool DoesModifyCalleeSavedReg(MachineInstr *MI, - const TargetRegisterInfo *TRI) { - for (const uint16_t *CSR = TRI->getCalleeSavedRegs(); *CSR; ++CSR) { - unsigned CalleeSavedReg = *CSR; - if (MI->modifiesRegister(CalleeSavedReg, TRI)) - return true; - } - return false; -} - -// Return the new value instruction for a given store. -static int GetDotNewOp(const int opc) { - switch (opc) { - default: llvm_unreachable("Unknown .new type"); - - // store new value byte - case Hexagon::STrib: - return Hexagon::STrib_nv_V4; - - case Hexagon::STrib_indexed: - return Hexagon::STrib_indexed_nv_V4; - - case Hexagon::STrib_indexed_shl_V4: - return Hexagon::STrib_indexed_shl_nv_V4; - - case Hexagon::STrib_shl_V4: - return Hexagon::STrib_shl_nv_V4; - - case Hexagon::STrib_GP_V4: - return Hexagon::STrib_GP_nv_V4; - - case Hexagon::STb_GP_V4: - return Hexagon::STb_GP_nv_V4; - - case Hexagon::POST_STbri: - return Hexagon::POST_STbri_nv_V4; - - case Hexagon::STrib_cPt: - return Hexagon::STrib_cPt_nv_V4; - - case Hexagon::STrib_cdnPt_V4: - return Hexagon::STrib_cdnPt_nv_V4; - - case Hexagon::STrib_cNotPt: - return Hexagon::STrib_cNotPt_nv_V4; - - case Hexagon::STrib_cdnNotPt_V4: - return Hexagon::STrib_cdnNotPt_nv_V4; - - case Hexagon::STrib_indexed_cPt: - return Hexagon::STrib_indexed_cPt_nv_V4; - - case Hexagon::STrib_indexed_cdnPt_V4: - return Hexagon::STrib_indexed_cdnPt_nv_V4; - - case Hexagon::STrib_indexed_cNotPt: - return Hexagon::STrib_indexed_cNotPt_nv_V4; - - case Hexagon::STrib_indexed_cdnNotPt_V4: - return Hexagon::STrib_indexed_cdnNotPt_nv_V4; - - case Hexagon::STrib_indexed_shl_cPt_V4: - return Hexagon::STrib_indexed_shl_cPt_nv_V4; - - case Hexagon::STrib_indexed_shl_cdnPt_V4: - return Hexagon::STrib_indexed_shl_cdnPt_nv_V4; - - case Hexagon::STrib_indexed_shl_cNotPt_V4: - return Hexagon::STrib_indexed_shl_cNotPt_nv_V4; - - case Hexagon::STrib_indexed_shl_cdnNotPt_V4: - return Hexagon::STrib_indexed_shl_cdnNotPt_nv_V4; - - case Hexagon::POST_STbri_cPt: - return Hexagon::POST_STbri_cPt_nv_V4; - - case Hexagon::POST_STbri_cdnPt_V4: - return Hexagon::POST_STbri_cdnPt_nv_V4; - - case Hexagon::POST_STbri_cNotPt: - return Hexagon::POST_STbri_cNotPt_nv_V4; - - case Hexagon::POST_STbri_cdnNotPt_V4: - return Hexagon::POST_STbri_cdnNotPt_nv_V4; - - case Hexagon::STb_GP_cPt_V4: - return Hexagon::STb_GP_cPt_nv_V4; - - case Hexagon::STb_GP_cNotPt_V4: - return Hexagon::STb_GP_cNotPt_nv_V4; - - case Hexagon::STb_GP_cdnPt_V4: - return Hexagon::STb_GP_cdnPt_nv_V4; - - case Hexagon::STb_GP_cdnNotPt_V4: - return Hexagon::STb_GP_cdnNotPt_nv_V4; - - case Hexagon::STrib_GP_cPt_V4: - return Hexagon::STrib_GP_cPt_nv_V4; - - case Hexagon::STrib_GP_cNotPt_V4: - return Hexagon::STrib_GP_cNotPt_nv_V4; - - case Hexagon::STrib_GP_cdnPt_V4: - return Hexagon::STrib_GP_cdnPt_nv_V4; - - case Hexagon::STrib_GP_cdnNotPt_V4: - return Hexagon::STrib_GP_cdnNotPt_nv_V4; - - // store new value halfword - case Hexagon::STrih: - return Hexagon::STrih_nv_V4; - - case Hexagon::STrih_indexed: - return Hexagon::STrih_indexed_nv_V4; - - case Hexagon::STrih_indexed_shl_V4: - return Hexagon::STrih_indexed_shl_nv_V4; - - case Hexagon::STrih_shl_V4: - return Hexagon::STrih_shl_nv_V4; - - case Hexagon::STrih_GP_V4: - return Hexagon::STrih_GP_nv_V4; - - case Hexagon::STh_GP_V4: - return Hexagon::STh_GP_nv_V4; - - case Hexagon::POST_SThri: - return Hexagon::POST_SThri_nv_V4; - - case Hexagon::STrih_cPt: - return Hexagon::STrih_cPt_nv_V4; - - case Hexagon::STrih_cdnPt_V4: - return Hexagon::STrih_cdnPt_nv_V4; - - case Hexagon::STrih_cNotPt: - return Hexagon::STrih_cNotPt_nv_V4; - - case Hexagon::STrih_cdnNotPt_V4: - return Hexagon::STrih_cdnNotPt_nv_V4; - - case Hexagon::STrih_indexed_cPt: - return Hexagon::STrih_indexed_cPt_nv_V4; - - case Hexagon::STrih_indexed_cdnPt_V4: - return Hexagon::STrih_indexed_cdnPt_nv_V4; - - case Hexagon::STrih_indexed_cNotPt: - return Hexagon::STrih_indexed_cNotPt_nv_V4; - - case Hexagon::STrih_indexed_cdnNotPt_V4: - return Hexagon::STrih_indexed_cdnNotPt_nv_V4; - - case Hexagon::STrih_indexed_shl_cPt_V4: - return Hexagon::STrih_indexed_shl_cPt_nv_V4; - - case Hexagon::STrih_indexed_shl_cdnPt_V4: - return Hexagon::STrih_indexed_shl_cdnPt_nv_V4; - - case Hexagon::STrih_indexed_shl_cNotPt_V4: - return Hexagon::STrih_indexed_shl_cNotPt_nv_V4; - - case Hexagon::STrih_indexed_shl_cdnNotPt_V4: - return Hexagon::STrih_indexed_shl_cdnNotPt_nv_V4; - - case Hexagon::POST_SThri_cPt: - return Hexagon::POST_SThri_cPt_nv_V4; - - case Hexagon::POST_SThri_cdnPt_V4: - return Hexagon::POST_SThri_cdnPt_nv_V4; - - case Hexagon::POST_SThri_cNotPt: - return Hexagon::POST_SThri_cNotPt_nv_V4; - - case Hexagon::POST_SThri_cdnNotPt_V4: - return Hexagon::POST_SThri_cdnNotPt_nv_V4; - - case Hexagon::STh_GP_cPt_V4: - return Hexagon::STh_GP_cPt_nv_V4; - - case Hexagon::STh_GP_cNotPt_V4: - return Hexagon::STh_GP_cNotPt_nv_V4; - - case Hexagon::STh_GP_cdnPt_V4: - return Hexagon::STh_GP_cdnPt_nv_V4; - - case Hexagon::STh_GP_cdnNotPt_V4: - return Hexagon::STh_GP_cdnNotPt_nv_V4; - - case Hexagon::STrih_GP_cPt_V4: - return Hexagon::STrih_GP_cPt_nv_V4; - - case Hexagon::STrih_GP_cNotPt_V4: - return Hexagon::STrih_GP_cNotPt_nv_V4; - - case Hexagon::STrih_GP_cdnPt_V4: - return Hexagon::STrih_GP_cdnPt_nv_V4; - - case Hexagon::STrih_GP_cdnNotPt_V4: - return Hexagon::STrih_GP_cdnNotPt_nv_V4; - - // store new value word - case Hexagon::STriw: - return Hexagon::STriw_nv_V4; - - case Hexagon::STriw_indexed: - return Hexagon::STriw_indexed_nv_V4; - - case Hexagon::STriw_indexed_shl_V4: - return Hexagon::STriw_indexed_shl_nv_V4; - - case Hexagon::STriw_shl_V4: - return Hexagon::STriw_shl_nv_V4; - - case Hexagon::STriw_GP_V4: - return Hexagon::STriw_GP_nv_V4; - - case Hexagon::STw_GP_V4: - return Hexagon::STw_GP_nv_V4; - - case Hexagon::POST_STwri: - return Hexagon::POST_STwri_nv_V4; - - case Hexagon::STriw_cPt: - return Hexagon::STriw_cPt_nv_V4; - - case Hexagon::STriw_cdnPt_V4: - return Hexagon::STriw_cdnPt_nv_V4; - - case Hexagon::STriw_cNotPt: - return Hexagon::STriw_cNotPt_nv_V4; - - case Hexagon::STriw_cdnNotPt_V4: - return Hexagon::STriw_cdnNotPt_nv_V4; - - case Hexagon::STriw_indexed_cPt: - return Hexagon::STriw_indexed_cPt_nv_V4; - - case Hexagon::STriw_indexed_cdnPt_V4: - return Hexagon::STriw_indexed_cdnPt_nv_V4; - - case Hexagon::STriw_indexed_cNotPt: - return Hexagon::STriw_indexed_cNotPt_nv_V4; - - case Hexagon::STriw_indexed_cdnNotPt_V4: - return Hexagon::STriw_indexed_cdnNotPt_nv_V4; - - case Hexagon::STriw_indexed_shl_cPt_V4: - return Hexagon::STriw_indexed_shl_cPt_nv_V4; - - case Hexagon::STriw_indexed_shl_cdnPt_V4: - return Hexagon::STriw_indexed_shl_cdnPt_nv_V4; - - case Hexagon::STriw_indexed_shl_cNotPt_V4: - return Hexagon::STriw_indexed_shl_cNotPt_nv_V4; - - case Hexagon::STriw_indexed_shl_cdnNotPt_V4: - return Hexagon::STriw_indexed_shl_cdnNotPt_nv_V4; - - case Hexagon::POST_STwri_cPt: - return Hexagon::POST_STwri_cPt_nv_V4; - - case Hexagon::POST_STwri_cdnPt_V4: - return Hexagon::POST_STwri_cdnPt_nv_V4; - - case Hexagon::POST_STwri_cNotPt: - return Hexagon::POST_STwri_cNotPt_nv_V4; - - case Hexagon::POST_STwri_cdnNotPt_V4: - return Hexagon::POST_STwri_cdnNotPt_nv_V4; - - case Hexagon::STw_GP_cPt_V4: - return Hexagon::STw_GP_cPt_nv_V4; - - case Hexagon::STw_GP_cNotPt_V4: - return Hexagon::STw_GP_cNotPt_nv_V4; - - case Hexagon::STw_GP_cdnPt_V4: - return Hexagon::STw_GP_cdnPt_nv_V4; - - case Hexagon::STw_GP_cdnNotPt_V4: - return Hexagon::STw_GP_cdnNotPt_nv_V4; - - case Hexagon::STriw_GP_cPt_V4: - return Hexagon::STriw_GP_cPt_nv_V4; - - case Hexagon::STriw_GP_cNotPt_V4: - return Hexagon::STriw_GP_cNotPt_nv_V4; - - case Hexagon::STriw_GP_cdnPt_V4: - return Hexagon::STriw_GP_cdnPt_nv_V4; - - case Hexagon::STriw_GP_cdnNotPt_V4: - return Hexagon::STriw_GP_cdnNotPt_nv_V4; - } -} - -// Return .new predicate version for an instruction -static int GetDotNewPredOp(const int opc) { - switch (opc) { - default: llvm_unreachable("Unknown .new type"); - - // Conditional stores - // Store byte conditionally - case Hexagon::STrib_cPt : - return Hexagon::STrib_cdnPt_V4; - - case Hexagon::STrib_cNotPt : - return Hexagon::STrib_cdnNotPt_V4; - - case Hexagon::STrib_indexed_cPt : - return Hexagon::STrib_indexed_cdnPt_V4; - - case Hexagon::STrib_indexed_cNotPt : - return Hexagon::STrib_indexed_cdnNotPt_V4; - - case Hexagon::STrib_imm_cPt_V4 : - return Hexagon::STrib_imm_cdnPt_V4; - - case Hexagon::STrib_imm_cNotPt_V4 : - return Hexagon::STrib_imm_cdnNotPt_V4; - - case Hexagon::POST_STbri_cPt : - return Hexagon::POST_STbri_cdnPt_V4; - - case Hexagon::POST_STbri_cNotPt : - return Hexagon::POST_STbri_cdnNotPt_V4; - - case Hexagon::STrib_indexed_shl_cPt_V4 : - return Hexagon::STrib_indexed_shl_cdnPt_V4; - - case Hexagon::STrib_indexed_shl_cNotPt_V4 : - return Hexagon::STrib_indexed_shl_cdnNotPt_V4; - - case Hexagon::STb_GP_cPt_V4 : - return Hexagon::STb_GP_cdnPt_V4; - - case Hexagon::STb_GP_cNotPt_V4 : - return Hexagon::STb_GP_cdnNotPt_V4; - - case Hexagon::STrib_GP_cPt_V4 : - return Hexagon::STrib_GP_cdnPt_V4; - - case Hexagon::STrib_GP_cNotPt_V4 : - return Hexagon::STrib_GP_cdnNotPt_V4; - - // Store doubleword conditionally - case Hexagon::STrid_cPt : - return Hexagon::STrid_cdnPt_V4; - - case Hexagon::STrid_cNotPt : - return Hexagon::STrid_cdnNotPt_V4; - - case Hexagon::STrid_indexed_cPt : - return Hexagon::STrid_indexed_cdnPt_V4; - - case Hexagon::STrid_indexed_cNotPt : - return Hexagon::STrid_indexed_cdnNotPt_V4; - - case Hexagon::STrid_indexed_shl_cPt_V4 : - return Hexagon::STrid_indexed_shl_cdnPt_V4; - - case Hexagon::STrid_indexed_shl_cNotPt_V4 : - return Hexagon::STrid_indexed_shl_cdnNotPt_V4; - - case Hexagon::POST_STdri_cPt : - return Hexagon::POST_STdri_cdnPt_V4; - - case Hexagon::POST_STdri_cNotPt : - return Hexagon::POST_STdri_cdnNotPt_V4; - - case Hexagon::STd_GP_cPt_V4 : - return Hexagon::STd_GP_cdnPt_V4; - - case Hexagon::STd_GP_cNotPt_V4 : - return Hexagon::STd_GP_cdnNotPt_V4; - - case Hexagon::STrid_GP_cPt_V4 : - return Hexagon::STrid_GP_cdnPt_V4; - - case Hexagon::STrid_GP_cNotPt_V4 : - return Hexagon::STrid_GP_cdnNotPt_V4; - - // Store halfword conditionally - case Hexagon::STrih_cPt : - return Hexagon::STrih_cdnPt_V4; - - case Hexagon::STrih_cNotPt : - return Hexagon::STrih_cdnNotPt_V4; - - case Hexagon::STrih_indexed_cPt : - return Hexagon::STrih_indexed_cdnPt_V4; - - case Hexagon::STrih_indexed_cNotPt : - return Hexagon::STrih_indexed_cdnNotPt_V4; - - case Hexagon::STrih_imm_cPt_V4 : - return Hexagon::STrih_imm_cdnPt_V4; - - case Hexagon::STrih_imm_cNotPt_V4 : - return Hexagon::STrih_imm_cdnNotPt_V4; - - case Hexagon::STrih_indexed_shl_cPt_V4 : - return Hexagon::STrih_indexed_shl_cdnPt_V4; - - case Hexagon::STrih_indexed_shl_cNotPt_V4 : - return Hexagon::STrih_indexed_shl_cdnNotPt_V4; - - case Hexagon::POST_SThri_cPt : - return Hexagon::POST_SThri_cdnPt_V4; - - case Hexagon::POST_SThri_cNotPt : - return Hexagon::POST_SThri_cdnNotPt_V4; - - case Hexagon::STh_GP_cPt_V4 : - return Hexagon::STh_GP_cdnPt_V4; - - case Hexagon::STh_GP_cNotPt_V4 : - return Hexagon::STh_GP_cdnNotPt_V4; - - case Hexagon::STrih_GP_cPt_V4 : - return Hexagon::STrih_GP_cdnPt_V4; - - case Hexagon::STrih_GP_cNotPt_V4 : - return Hexagon::STrih_GP_cdnNotPt_V4; - - // Store word conditionally - case Hexagon::STriw_cPt : - return Hexagon::STriw_cdnPt_V4; - - case Hexagon::STriw_cNotPt : - return Hexagon::STriw_cdnNotPt_V4; - - case Hexagon::STriw_indexed_cPt : - return Hexagon::STriw_indexed_cdnPt_V4; - - case Hexagon::STriw_indexed_cNotPt : - return Hexagon::STriw_indexed_cdnNotPt_V4; - - case Hexagon::STriw_imm_cPt_V4 : - return Hexagon::STriw_imm_cdnPt_V4; - - case Hexagon::STriw_imm_cNotPt_V4 : - return Hexagon::STriw_imm_cdnNotPt_V4; - - case Hexagon::STriw_indexed_shl_cPt_V4 : - return Hexagon::STriw_indexed_shl_cdnPt_V4; - - case Hexagon::STriw_indexed_shl_cNotPt_V4 : - return Hexagon::STriw_indexed_shl_cdnNotPt_V4; - - case Hexagon::POST_STwri_cPt : - return Hexagon::POST_STwri_cdnPt_V4; - - case Hexagon::POST_STwri_cNotPt : - return Hexagon::POST_STwri_cdnNotPt_V4; - - case Hexagon::STw_GP_cPt_V4 : - return Hexagon::STw_GP_cdnPt_V4; - - case Hexagon::STw_GP_cNotPt_V4 : - return Hexagon::STw_GP_cdnNotPt_V4; - - case Hexagon::STriw_GP_cPt_V4 : - return Hexagon::STriw_GP_cdnPt_V4; - - case Hexagon::STriw_GP_cNotPt_V4 : - return Hexagon::STriw_GP_cdnNotPt_V4; - - // Condtional Jumps - case Hexagon::JMP_c: - return Hexagon::JMP_cdnPt; - - case Hexagon::JMP_cNot: - return Hexagon::JMP_cdnNotPt; - - case Hexagon::JMPR_cPt: - return Hexagon::JMPR_cdnPt_V3; - - case Hexagon::JMPR_cNotPt: - return Hexagon::JMPR_cdnNotPt_V3; - - // Conditional Transfers - case Hexagon::TFR_cPt: - return Hexagon::TFR_cdnPt; - - case Hexagon::TFR_cNotPt: - return Hexagon::TFR_cdnNotPt; - - case Hexagon::TFRI_cPt: - return Hexagon::TFRI_cdnPt; - - case Hexagon::TFRI_cNotPt: - return Hexagon::TFRI_cdnNotPt; - - // Load double word - case Hexagon::LDrid_cPt : - return Hexagon::LDrid_cdnPt; - - case Hexagon::LDrid_cNotPt : - return Hexagon::LDrid_cdnNotPt; - - case Hexagon::LDrid_indexed_cPt : - return Hexagon::LDrid_indexed_cdnPt; - - case Hexagon::LDrid_indexed_cNotPt : - return Hexagon::LDrid_indexed_cdnNotPt; - - case Hexagon::POST_LDrid_cPt : - return Hexagon::POST_LDrid_cdnPt_V4; - - case Hexagon::POST_LDrid_cNotPt : - return Hexagon::POST_LDrid_cdnNotPt_V4; - - // Load word - case Hexagon::LDriw_cPt : - return Hexagon::LDriw_cdnPt; - - case Hexagon::LDriw_cNotPt : - return Hexagon::LDriw_cdnNotPt; - - case Hexagon::LDriw_indexed_cPt : - return Hexagon::LDriw_indexed_cdnPt; - - case Hexagon::LDriw_indexed_cNotPt : - return Hexagon::LDriw_indexed_cdnNotPt; - - case Hexagon::POST_LDriw_cPt : - return Hexagon::POST_LDriw_cdnPt_V4; - - case Hexagon::POST_LDriw_cNotPt : - return Hexagon::POST_LDriw_cdnNotPt_V4; - - // Load halfword - case Hexagon::LDrih_cPt : - return Hexagon::LDrih_cdnPt; - - case Hexagon::LDrih_cNotPt : - return Hexagon::LDrih_cdnNotPt; - - case Hexagon::LDrih_indexed_cPt : - return Hexagon::LDrih_indexed_cdnPt; - - case Hexagon::LDrih_indexed_cNotPt : - return Hexagon::LDrih_indexed_cdnNotPt; - - case Hexagon::POST_LDrih_cPt : - return Hexagon::POST_LDrih_cdnPt_V4; - - case Hexagon::POST_LDrih_cNotPt : - return Hexagon::POST_LDrih_cdnNotPt_V4; - - // Load byte - case Hexagon::LDrib_cPt : - return Hexagon::LDrib_cdnPt; - - case Hexagon::LDrib_cNotPt : - return Hexagon::LDrib_cdnNotPt; - - case Hexagon::LDrib_indexed_cPt : - return Hexagon::LDrib_indexed_cdnPt; - - case Hexagon::LDrib_indexed_cNotPt : - return Hexagon::LDrib_indexed_cdnNotPt; - - case Hexagon::POST_LDrib_cPt : - return Hexagon::POST_LDrib_cdnPt_V4; - - case Hexagon::POST_LDrib_cNotPt : - return Hexagon::POST_LDrib_cdnNotPt_V4; - - // Load unsigned halfword - case Hexagon::LDriuh_cPt : - return Hexagon::LDriuh_cdnPt; - - case Hexagon::LDriuh_cNotPt : - return Hexagon::LDriuh_cdnNotPt; - - case Hexagon::LDriuh_indexed_cPt : - return Hexagon::LDriuh_indexed_cdnPt; - - case Hexagon::LDriuh_indexed_cNotPt : - return Hexagon::LDriuh_indexed_cdnNotPt; - - case Hexagon::POST_LDriuh_cPt : - return Hexagon::POST_LDriuh_cdnPt_V4; - - case Hexagon::POST_LDriuh_cNotPt : - return Hexagon::POST_LDriuh_cdnNotPt_V4; - - // Load unsigned byte - case Hexagon::LDriub_cPt : - return Hexagon::LDriub_cdnPt; - - case Hexagon::LDriub_cNotPt : - return Hexagon::LDriub_cdnNotPt; - - case Hexagon::LDriub_indexed_cPt : - return Hexagon::LDriub_indexed_cdnPt; - - case Hexagon::LDriub_indexed_cNotPt : - return Hexagon::LDriub_indexed_cdnNotPt; - - case Hexagon::POST_LDriub_cPt : - return Hexagon::POST_LDriub_cdnPt_V4; - - case Hexagon::POST_LDriub_cNotPt : - return Hexagon::POST_LDriub_cdnNotPt_V4; - - // V4 indexed+scaled load - - case Hexagon::LDrid_indexed_cPt_V4 : - return Hexagon::LDrid_indexed_cdnPt_V4; - - case Hexagon::LDrid_indexed_cNotPt_V4 : - return Hexagon::LDrid_indexed_cdnNotPt_V4; - - case Hexagon::LDrid_indexed_shl_cPt_V4 : - return Hexagon::LDrid_indexed_shl_cdnPt_V4; - - case Hexagon::LDrid_indexed_shl_cNotPt_V4 : - return Hexagon::LDrid_indexed_shl_cdnNotPt_V4; - - case Hexagon::LDrib_indexed_cPt_V4 : - return Hexagon::LDrib_indexed_cdnPt_V4; - - case Hexagon::LDrib_indexed_cNotPt_V4 : - return Hexagon::LDrib_indexed_cdnNotPt_V4; - - case Hexagon::LDrib_indexed_shl_cPt_V4 : - return Hexagon::LDrib_indexed_shl_cdnPt_V4; - - case Hexagon::LDrib_indexed_shl_cNotPt_V4 : - return Hexagon::LDrib_indexed_shl_cdnNotPt_V4; - - case Hexagon::LDriub_indexed_cPt_V4 : - return Hexagon::LDriub_indexed_cdnPt_V4; - - case Hexagon::LDriub_indexed_cNotPt_V4 : - return Hexagon::LDriub_indexed_cdnNotPt_V4; - - case Hexagon::LDriub_indexed_shl_cPt_V4 : - return Hexagon::LDriub_indexed_shl_cdnPt_V4; - - case Hexagon::LDriub_indexed_shl_cNotPt_V4 : - return Hexagon::LDriub_indexed_shl_cdnNotPt_V4; - - case Hexagon::LDrih_indexed_cPt_V4 : - return Hexagon::LDrih_indexed_cdnPt_V4; - - case Hexagon::LDrih_indexed_cNotPt_V4 : - return Hexagon::LDrih_indexed_cdnNotPt_V4; - - case Hexagon::LDrih_indexed_shl_cPt_V4 : - return Hexagon::LDrih_indexed_shl_cdnPt_V4; - - case Hexagon::LDrih_indexed_shl_cNotPt_V4 : - return Hexagon::LDrih_indexed_shl_cdnNotPt_V4; - - case Hexagon::LDriuh_indexed_cPt_V4 : - return Hexagon::LDriuh_indexed_cdnPt_V4; - - case Hexagon::LDriuh_indexed_cNotPt_V4 : - return Hexagon::LDriuh_indexed_cdnNotPt_V4; - - case Hexagon::LDriuh_indexed_shl_cPt_V4 : - return Hexagon::LDriuh_indexed_shl_cdnPt_V4; - - case Hexagon::LDriuh_indexed_shl_cNotPt_V4 : - return Hexagon::LDriuh_indexed_shl_cdnNotPt_V4; - - case Hexagon::LDriw_indexed_cPt_V4 : - return Hexagon::LDriw_indexed_cdnPt_V4; - - case Hexagon::LDriw_indexed_cNotPt_V4 : - return Hexagon::LDriw_indexed_cdnNotPt_V4; - - case Hexagon::LDriw_indexed_shl_cPt_V4 : - return Hexagon::LDriw_indexed_shl_cdnPt_V4; - - case Hexagon::LDriw_indexed_shl_cNotPt_V4 : - return Hexagon::LDriw_indexed_shl_cdnNotPt_V4; - - // V4 global address load - - case Hexagon::LDd_GP_cPt_V4: - return Hexagon::LDd_GP_cdnPt_V4; - - case Hexagon::LDd_GP_cNotPt_V4: - return Hexagon::LDd_GP_cdnNotPt_V4; - - case Hexagon::LDb_GP_cPt_V4: - return Hexagon::LDb_GP_cdnPt_V4; - - case Hexagon::LDb_GP_cNotPt_V4: - return Hexagon::LDb_GP_cdnNotPt_V4; - - case Hexagon::LDub_GP_cPt_V4: - return Hexagon::LDub_GP_cdnPt_V4; - - case Hexagon::LDub_GP_cNotPt_V4: - return Hexagon::LDub_GP_cdnNotPt_V4; - - case Hexagon::LDh_GP_cPt_V4: - return Hexagon::LDh_GP_cdnPt_V4; - - case Hexagon::LDh_GP_cNotPt_V4: - return Hexagon::LDh_GP_cdnNotPt_V4; - - case Hexagon::LDuh_GP_cPt_V4: - return Hexagon::LDuh_GP_cdnPt_V4; - - case Hexagon::LDuh_GP_cNotPt_V4: - return Hexagon::LDuh_GP_cdnNotPt_V4; - - case Hexagon::LDw_GP_cPt_V4: - return Hexagon::LDw_GP_cdnPt_V4; - - case Hexagon::LDw_GP_cNotPt_V4: - return Hexagon::LDw_GP_cdnNotPt_V4; - - case Hexagon::LDrid_GP_cPt_V4: - return Hexagon::LDrid_GP_cdnPt_V4; - - case Hexagon::LDrid_GP_cNotPt_V4: - return Hexagon::LDrid_GP_cdnNotPt_V4; - - case Hexagon::LDrib_GP_cPt_V4: - return Hexagon::LDrib_GP_cdnPt_V4; - - case Hexagon::LDrib_GP_cNotPt_V4: - return Hexagon::LDrib_GP_cdnNotPt_V4; - - case Hexagon::LDriub_GP_cPt_V4: - return Hexagon::LDriub_GP_cdnPt_V4; - - case Hexagon::LDriub_GP_cNotPt_V4: - return Hexagon::LDriub_GP_cdnNotPt_V4; - - case Hexagon::LDrih_GP_cPt_V4: - return Hexagon::LDrih_GP_cdnPt_V4; - - case Hexagon::LDrih_GP_cNotPt_V4: - return Hexagon::LDrih_GP_cdnNotPt_V4; - - case Hexagon::LDriuh_GP_cPt_V4: - return Hexagon::LDriuh_GP_cdnPt_V4; - - case Hexagon::LDriuh_GP_cNotPt_V4: - return Hexagon::LDriuh_GP_cdnNotPt_V4; - - case Hexagon::LDriw_GP_cPt_V4: - return Hexagon::LDriw_GP_cdnPt_V4; - - case Hexagon::LDriw_GP_cNotPt_V4: - return Hexagon::LDriw_GP_cdnNotPt_V4; - - // Conditional store new-value byte - case Hexagon::STrib_cPt_nv_V4 : - return Hexagon::STrib_cdnPt_nv_V4; - case Hexagon::STrib_cNotPt_nv_V4 : - return Hexagon::STrib_cdnNotPt_nv_V4; - - case Hexagon::STrib_indexed_cPt_nv_V4 : - return Hexagon::STrib_indexed_cdnPt_nv_V4; - case Hexagon::STrib_indexed_cNotPt_nv_V4 : - return Hexagon::STrib_indexed_cdnNotPt_nv_V4; - - case Hexagon::STrib_indexed_shl_cPt_nv_V4 : - return Hexagon::STrib_indexed_shl_cdnPt_nv_V4; - case Hexagon::STrib_indexed_shl_cNotPt_nv_V4 : - return Hexagon::STrib_indexed_shl_cdnNotPt_nv_V4; - - case Hexagon::POST_STbri_cPt_nv_V4 : - return Hexagon::POST_STbri_cdnPt_nv_V4; - case Hexagon::POST_STbri_cNotPt_nv_V4 : - return Hexagon::POST_STbri_cdnNotPt_nv_V4; - - case Hexagon::STb_GP_cPt_nv_V4 : - return Hexagon::STb_GP_cdnPt_nv_V4; - - case Hexagon::STb_GP_cNotPt_nv_V4 : - return Hexagon::STb_GP_cdnNotPt_nv_V4; - - case Hexagon::STrib_GP_cPt_nv_V4 : - return Hexagon::STrib_GP_cdnPt_nv_V4; - - case Hexagon::STrib_GP_cNotPt_nv_V4 : - return Hexagon::STrib_GP_cdnNotPt_nv_V4; - - // Conditional store new-value halfword - case Hexagon::STrih_cPt_nv_V4 : - return Hexagon::STrih_cdnPt_nv_V4; - case Hexagon::STrih_cNotPt_nv_V4 : - return Hexagon::STrih_cdnNotPt_nv_V4; - - case Hexagon::STrih_indexed_cPt_nv_V4 : - return Hexagon::STrih_indexed_cdnPt_nv_V4; - case Hexagon::STrih_indexed_cNotPt_nv_V4 : - return Hexagon::STrih_indexed_cdnNotPt_nv_V4; - - case Hexagon::STrih_indexed_shl_cPt_nv_V4 : - return Hexagon::STrih_indexed_shl_cdnPt_nv_V4; - case Hexagon::STrih_indexed_shl_cNotPt_nv_V4 : - return Hexagon::STrih_indexed_shl_cdnNotPt_nv_V4; - - case Hexagon::POST_SThri_cPt_nv_V4 : - return Hexagon::POST_SThri_cdnPt_nv_V4; - case Hexagon::POST_SThri_cNotPt_nv_V4 : - return Hexagon::POST_SThri_cdnNotPt_nv_V4; - - case Hexagon::STh_GP_cPt_nv_V4 : - return Hexagon::STh_GP_cdnPt_nv_V4; - - case Hexagon::STh_GP_cNotPt_nv_V4 : - return Hexagon::STh_GP_cdnNotPt_nv_V4; - - case Hexagon::STrih_GP_cPt_nv_V4 : - return Hexagon::STrih_GP_cdnPt_nv_V4; - - case Hexagon::STrih_GP_cNotPt_nv_V4 : - return Hexagon::STrih_GP_cdnNotPt_nv_V4; - - // Conditional store new-value word - case Hexagon::STriw_cPt_nv_V4 : - return Hexagon::STriw_cdnPt_nv_V4; - case Hexagon::STriw_cNotPt_nv_V4 : - return Hexagon::STriw_cdnNotPt_nv_V4; - - case Hexagon::STriw_indexed_cPt_nv_V4 : - return Hexagon::STriw_indexed_cdnPt_nv_V4; - case Hexagon::STriw_indexed_cNotPt_nv_V4 : - return Hexagon::STriw_indexed_cdnNotPt_nv_V4; - - case Hexagon::STriw_indexed_shl_cPt_nv_V4 : - return Hexagon::STriw_indexed_shl_cdnPt_nv_V4; - case Hexagon::STriw_indexed_shl_cNotPt_nv_V4 : - return Hexagon::STriw_indexed_shl_cdnNotPt_nv_V4; - - case Hexagon::POST_STwri_cPt_nv_V4 : - return Hexagon::POST_STwri_cdnPt_nv_V4; - case Hexagon::POST_STwri_cNotPt_nv_V4: - return Hexagon::POST_STwri_cdnNotPt_nv_V4; - - case Hexagon::STw_GP_cPt_nv_V4 : - return Hexagon::STw_GP_cdnPt_nv_V4; - - case Hexagon::STw_GP_cNotPt_nv_V4 : - return Hexagon::STw_GP_cdnNotPt_nv_V4; - - case Hexagon::STriw_GP_cPt_nv_V4 : - return Hexagon::STriw_GP_cdnPt_nv_V4; - - case Hexagon::STriw_GP_cNotPt_nv_V4 : - return Hexagon::STriw_GP_cdnNotPt_nv_V4; - - // Conditional add - case Hexagon::ADD_ri_cPt : - return Hexagon::ADD_ri_cdnPt; - case Hexagon::ADD_ri_cNotPt : - return Hexagon::ADD_ri_cdnNotPt; - - case Hexagon::ADD_rr_cPt : - return Hexagon::ADD_rr_cdnPt; - case Hexagon::ADD_rr_cNotPt : - return Hexagon::ADD_rr_cdnNotPt; - - // Conditional logical Operations - case Hexagon::XOR_rr_cPt : - return Hexagon::XOR_rr_cdnPt; - case Hexagon::XOR_rr_cNotPt : - return Hexagon::XOR_rr_cdnNotPt; - - case Hexagon::AND_rr_cPt : - return Hexagon::AND_rr_cdnPt; - case Hexagon::AND_rr_cNotPt : - return Hexagon::AND_rr_cdnNotPt; - - case Hexagon::OR_rr_cPt : - return Hexagon::OR_rr_cdnPt; - case Hexagon::OR_rr_cNotPt : - return Hexagon::OR_rr_cdnNotPt; - - // Conditional Subtract - case Hexagon::SUB_rr_cPt : - return Hexagon::SUB_rr_cdnPt; - case Hexagon::SUB_rr_cNotPt : - return Hexagon::SUB_rr_cdnNotPt; - - // Conditional combine - case Hexagon::COMBINE_rr_cPt : - return Hexagon::COMBINE_rr_cdnPt; - case Hexagon::COMBINE_rr_cNotPt : - return Hexagon::COMBINE_rr_cdnNotPt; - - case Hexagon::ASLH_cPt_V4 : - return Hexagon::ASLH_cdnPt_V4; - case Hexagon::ASLH_cNotPt_V4 : - return Hexagon::ASLH_cdnNotPt_V4; - - case Hexagon::ASRH_cPt_V4 : - return Hexagon::ASRH_cdnPt_V4; - case Hexagon::ASRH_cNotPt_V4 : - return Hexagon::ASRH_cdnNotPt_V4; - - case Hexagon::SXTB_cPt_V4 : - return Hexagon::SXTB_cdnPt_V4; - case Hexagon::SXTB_cNotPt_V4 : - return Hexagon::SXTB_cdnNotPt_V4; - - case Hexagon::SXTH_cPt_V4 : - return Hexagon::SXTH_cdnPt_V4; - case Hexagon::SXTH_cNotPt_V4 : - return Hexagon::SXTH_cdnNotPt_V4; - - case Hexagon::ZXTB_cPt_V4 : - return Hexagon::ZXTB_cdnPt_V4; - case Hexagon::ZXTB_cNotPt_V4 : - return Hexagon::ZXTB_cdnNotPt_V4; - - case Hexagon::ZXTH_cPt_V4 : - return Hexagon::ZXTH_cdnPt_V4; - case Hexagon::ZXTH_cNotPt_V4 : - return Hexagon::ZXTH_cdnNotPt_V4; - } -} - -// Returns true if an instruction can be promoted to .new predicate -// or new-value store. -bool HexagonPacketizerList::isNewifiable(MachineInstr* MI) { - if ( isCondInst(MI) || IsNewifyStore(MI)) - return true; - else - return false; -} - -bool HexagonPacketizerList::isCondInst (MachineInstr* MI) { - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - const MCInstrDesc& TID = MI->getDesc(); - // bug 5670: until that is fixed, - // this portion is disabled. - if ( TID.isConditionalBranch() // && !IsRegisterJump(MI)) || - || QII->isConditionalTransfer(MI) - || QII->isConditionalALU32(MI) - || QII->isConditionalLoad(MI) - || QII->isConditionalStore(MI)) { - return true; - } - return false; -} - - -// Promote an instructiont to its .new form. -// At this time, we have already made a call to CanPromoteToDotNew -// and made sure that it can *indeed* be promoted. -bool HexagonPacketizerList::PromoteToDotNew(MachineInstr* MI, - SDep::Kind DepType, MachineBasicBlock::iterator &MII, - const TargetRegisterClass* RC) { - - assert (DepType == SDep::Data); - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - - int NewOpcode; - if (RC == Hexagon::PredRegsRegisterClass) - NewOpcode = GetDotNewPredOp(MI->getOpcode()); - else - NewOpcode = GetDotNewOp(MI->getOpcode()); - MI->setDesc(QII->get(NewOpcode)); - - return true; -} - -// Returns the most basic instruction for the .new predicated instructions and -// new-value stores. -// For example, all of the following instructions will be converted back to the -// same instruction: -// 1) if (p0.new) memw(R0+#0) = R1.new ---> -// 2) if (p0) memw(R0+#0)= R1.new -------> if (p0) memw(R0+#0) = R1 -// 3) if (p0.new) memw(R0+#0) = R1 ---> -// -// To understand the translation of instruction 1 to its original form, consider -// a packet with 3 instructions. -// { p0 = cmp.eq(R0,R1) -// if (p0.new) R2 = add(R3, R4) -// R5 = add (R3, R1) -// } -// if (p0) memw(R5+#0) = R2 <--- trying to include it in the previous packet -// -// This instruction can be part of the previous packet only if both p0 and R2 -// are promoted to .new values. This promotion happens in steps, first -// predicate register is promoted to .new and in the next iteration R2 is -// promoted. Therefore, in case of dependence check failure (due to R5) during -// next iteration, it should be converted back to its most basic form. - -static int GetDotOldOp(const int opc) { - switch (opc) { - default: llvm_unreachable("Unknown .old type"); - - case Hexagon::TFR_cdnPt: - return Hexagon::TFR_cPt; - - case Hexagon::TFR_cdnNotPt: - return Hexagon::TFR_cNotPt; - - case Hexagon::TFRI_cdnPt: - return Hexagon::TFRI_cPt; - - case Hexagon::TFRI_cdnNotPt: - return Hexagon::TFRI_cNotPt; - - case Hexagon::JMP_cdnPt: - return Hexagon::JMP_c; - - case Hexagon::JMP_cdnNotPt: - return Hexagon::JMP_cNot; - - case Hexagon::JMPR_cdnPt_V3: - return Hexagon::JMPR_cPt; - - case Hexagon::JMPR_cdnNotPt_V3: - return Hexagon::JMPR_cNotPt; - - // Load double word - - case Hexagon::LDrid_cdnPt : - return Hexagon::LDrid_cPt; - - case Hexagon::LDrid_cdnNotPt : - return Hexagon::LDrid_cNotPt; - - case Hexagon::LDrid_indexed_cdnPt : - return Hexagon::LDrid_indexed_cPt; - - case Hexagon::LDrid_indexed_cdnNotPt : - return Hexagon::LDrid_indexed_cNotPt; - - case Hexagon::POST_LDrid_cdnPt_V4 : - return Hexagon::POST_LDrid_cPt; - - case Hexagon::POST_LDrid_cdnNotPt_V4 : - return Hexagon::POST_LDrid_cNotPt; - - // Load word - - case Hexagon::LDriw_cdnPt : - return Hexagon::LDriw_cPt; - - case Hexagon::LDriw_cdnNotPt : - return Hexagon::LDriw_cNotPt; - - case Hexagon::LDriw_indexed_cdnPt : - return Hexagon::LDriw_indexed_cPt; - - case Hexagon::LDriw_indexed_cdnNotPt : - return Hexagon::LDriw_indexed_cNotPt; - - case Hexagon::POST_LDriw_cdnPt_V4 : - return Hexagon::POST_LDriw_cPt; - - case Hexagon::POST_LDriw_cdnNotPt_V4 : - return Hexagon::POST_LDriw_cNotPt; - - // Load half - - case Hexagon::LDrih_cdnPt : - return Hexagon::LDrih_cPt; - - case Hexagon::LDrih_cdnNotPt : - return Hexagon::LDrih_cNotPt; - - case Hexagon::LDrih_indexed_cdnPt : - return Hexagon::LDrih_indexed_cPt; - - case Hexagon::LDrih_indexed_cdnNotPt : - return Hexagon::LDrih_indexed_cNotPt; - - case Hexagon::POST_LDrih_cdnPt_V4 : - return Hexagon::POST_LDrih_cPt; - - case Hexagon::POST_LDrih_cdnNotPt_V4 : - return Hexagon::POST_LDrih_cNotPt; - - // Load byte - - case Hexagon::LDrib_cdnPt : - return Hexagon::LDrib_cPt; - - case Hexagon::LDrib_cdnNotPt : - return Hexagon::LDrib_cNotPt; - - case Hexagon::LDrib_indexed_cdnPt : - return Hexagon::LDrib_indexed_cPt; - - case Hexagon::LDrib_indexed_cdnNotPt : - return Hexagon::LDrib_indexed_cNotPt; - - case Hexagon::POST_LDrib_cdnPt_V4 : - return Hexagon::POST_LDrib_cPt; - - case Hexagon::POST_LDrib_cdnNotPt_V4 : - return Hexagon::POST_LDrib_cNotPt; - - // Load unsigned half - - case Hexagon::LDriuh_cdnPt : - return Hexagon::LDriuh_cPt; - - case Hexagon::LDriuh_cdnNotPt : - return Hexagon::LDriuh_cNotPt; - - case Hexagon::LDriuh_indexed_cdnPt : - return Hexagon::LDriuh_indexed_cPt; - - case Hexagon::LDriuh_indexed_cdnNotPt : - return Hexagon::LDriuh_indexed_cNotPt; - - case Hexagon::POST_LDriuh_cdnPt_V4 : - return Hexagon::POST_LDriuh_cPt; - - case Hexagon::POST_LDriuh_cdnNotPt_V4 : - return Hexagon::POST_LDriuh_cNotPt; - - // Load unsigned byte - case Hexagon::LDriub_cdnPt : - return Hexagon::LDriub_cPt; - - case Hexagon::LDriub_cdnNotPt : - return Hexagon::LDriub_cNotPt; - - case Hexagon::LDriub_indexed_cdnPt : - return Hexagon::LDriub_indexed_cPt; - - case Hexagon::LDriub_indexed_cdnNotPt : - return Hexagon::LDriub_indexed_cNotPt; - - case Hexagon::POST_LDriub_cdnPt_V4 : - return Hexagon::POST_LDriub_cPt; - - case Hexagon::POST_LDriub_cdnNotPt_V4 : - return Hexagon::POST_LDriub_cNotPt; - - // V4 indexed+scaled Load - - case Hexagon::LDrid_indexed_cdnPt_V4 : - return Hexagon::LDrid_indexed_cPt_V4; - - case Hexagon::LDrid_indexed_cdnNotPt_V4 : - return Hexagon::LDrid_indexed_cNotPt_V4; - - case Hexagon::LDrid_indexed_shl_cdnPt_V4 : - return Hexagon::LDrid_indexed_shl_cPt_V4; - - case Hexagon::LDrid_indexed_shl_cdnNotPt_V4 : - return Hexagon::LDrid_indexed_shl_cNotPt_V4; - - case Hexagon::LDrib_indexed_cdnPt_V4 : - return Hexagon::LDrib_indexed_cPt_V4; - - case Hexagon::LDrib_indexed_cdnNotPt_V4 : - return Hexagon::LDrib_indexed_cNotPt_V4; - - case Hexagon::LDrib_indexed_shl_cdnPt_V4 : - return Hexagon::LDrib_indexed_shl_cPt_V4; - - case Hexagon::LDrib_indexed_shl_cdnNotPt_V4 : - return Hexagon::LDrib_indexed_shl_cNotPt_V4; - - case Hexagon::LDriub_indexed_cdnPt_V4 : - return Hexagon::LDriub_indexed_cPt_V4; - - case Hexagon::LDriub_indexed_cdnNotPt_V4 : - return Hexagon::LDriub_indexed_cNotPt_V4; - - case Hexagon::LDriub_indexed_shl_cdnPt_V4 : - return Hexagon::LDriub_indexed_shl_cPt_V4; - - case Hexagon::LDriub_indexed_shl_cdnNotPt_V4 : - return Hexagon::LDriub_indexed_shl_cNotPt_V4; - - case Hexagon::LDrih_indexed_cdnPt_V4 : - return Hexagon::LDrih_indexed_cPt_V4; - - case Hexagon::LDrih_indexed_cdnNotPt_V4 : - return Hexagon::LDrih_indexed_cNotPt_V4; - - case Hexagon::LDrih_indexed_shl_cdnPt_V4 : - return Hexagon::LDrih_indexed_shl_cPt_V4; - - case Hexagon::LDrih_indexed_shl_cdnNotPt_V4 : - return Hexagon::LDrih_indexed_shl_cNotPt_V4; - - case Hexagon::LDriuh_indexed_cdnPt_V4 : - return Hexagon::LDriuh_indexed_cPt_V4; - - case Hexagon::LDriuh_indexed_cdnNotPt_V4 : - return Hexagon::LDriuh_indexed_cNotPt_V4; - - case Hexagon::LDriuh_indexed_shl_cdnPt_V4 : - return Hexagon::LDriuh_indexed_shl_cPt_V4; - - case Hexagon::LDriuh_indexed_shl_cdnNotPt_V4 : - return Hexagon::LDriuh_indexed_shl_cNotPt_V4; - - case Hexagon::LDriw_indexed_cdnPt_V4 : - return Hexagon::LDriw_indexed_cPt_V4; - - case Hexagon::LDriw_indexed_cdnNotPt_V4 : - return Hexagon::LDriw_indexed_cNotPt_V4; - - case Hexagon::LDriw_indexed_shl_cdnPt_V4 : - return Hexagon::LDriw_indexed_shl_cPt_V4; - - case Hexagon::LDriw_indexed_shl_cdnNotPt_V4 : - return Hexagon::LDriw_indexed_shl_cNotPt_V4; - - // V4 global address load - - case Hexagon::LDd_GP_cdnPt_V4: - return Hexagon::LDd_GP_cPt_V4; - - case Hexagon::LDd_GP_cdnNotPt_V4: - return Hexagon::LDd_GP_cNotPt_V4; - - case Hexagon::LDb_GP_cdnPt_V4: - return Hexagon::LDb_GP_cPt_V4; - - case Hexagon::LDb_GP_cdnNotPt_V4: - return Hexagon::LDb_GP_cNotPt_V4; - - case Hexagon::LDub_GP_cdnPt_V4: - return Hexagon::LDub_GP_cPt_V4; - - case Hexagon::LDub_GP_cdnNotPt_V4: - return Hexagon::LDub_GP_cNotPt_V4; - - case Hexagon::LDh_GP_cdnPt_V4: - return Hexagon::LDh_GP_cPt_V4; - - case Hexagon::LDh_GP_cdnNotPt_V4: - return Hexagon::LDh_GP_cNotPt_V4; - - case Hexagon::LDuh_GP_cdnPt_V4: - return Hexagon::LDuh_GP_cPt_V4; - - case Hexagon::LDuh_GP_cdnNotPt_V4: - return Hexagon::LDuh_GP_cNotPt_V4; - - case Hexagon::LDw_GP_cdnPt_V4: - return Hexagon::LDw_GP_cPt_V4; - - case Hexagon::LDw_GP_cdnNotPt_V4: - return Hexagon::LDw_GP_cNotPt_V4; - - case Hexagon::LDrid_GP_cdnPt_V4: - return Hexagon::LDrid_GP_cPt_V4; - - case Hexagon::LDrid_GP_cdnNotPt_V4: - return Hexagon::LDrid_GP_cNotPt_V4; - - case Hexagon::LDrib_GP_cdnPt_V4: - return Hexagon::LDrib_GP_cPt_V4; - - case Hexagon::LDrib_GP_cdnNotPt_V4: - return Hexagon::LDrib_GP_cNotPt_V4; - - case Hexagon::LDriub_GP_cdnPt_V4: - return Hexagon::LDriub_GP_cPt_V4; - - case Hexagon::LDriub_GP_cdnNotPt_V4: - return Hexagon::LDriub_GP_cNotPt_V4; - - case Hexagon::LDrih_GP_cdnPt_V4: - return Hexagon::LDrih_GP_cPt_V4; - - case Hexagon::LDrih_GP_cdnNotPt_V4: - return Hexagon::LDrih_GP_cNotPt_V4; - - case Hexagon::LDriuh_GP_cdnPt_V4: - return Hexagon::LDriuh_GP_cPt_V4; - - case Hexagon::LDriuh_GP_cdnNotPt_V4: - return Hexagon::LDriuh_GP_cNotPt_V4; - - case Hexagon::LDriw_GP_cdnPt_V4: - return Hexagon::LDriw_GP_cPt_V4; - - case Hexagon::LDriw_GP_cdnNotPt_V4: - return Hexagon::LDriw_GP_cNotPt_V4; - - // Conditional add - - case Hexagon::ADD_ri_cdnPt : - return Hexagon::ADD_ri_cPt; - case Hexagon::ADD_ri_cdnNotPt : - return Hexagon::ADD_ri_cNotPt; - - case Hexagon::ADD_rr_cdnPt : - return Hexagon::ADD_rr_cPt; - case Hexagon::ADD_rr_cdnNotPt: - return Hexagon::ADD_rr_cNotPt; - - // Conditional logical Operations - - case Hexagon::XOR_rr_cdnPt : - return Hexagon::XOR_rr_cPt; - case Hexagon::XOR_rr_cdnNotPt : - return Hexagon::XOR_rr_cNotPt; - - case Hexagon::AND_rr_cdnPt : - return Hexagon::AND_rr_cPt; - case Hexagon::AND_rr_cdnNotPt : - return Hexagon::AND_rr_cNotPt; - - case Hexagon::OR_rr_cdnPt : - return Hexagon::OR_rr_cPt; - case Hexagon::OR_rr_cdnNotPt : - return Hexagon::OR_rr_cNotPt; - - // Conditional Subtract - - case Hexagon::SUB_rr_cdnPt : - return Hexagon::SUB_rr_cPt; - case Hexagon::SUB_rr_cdnNotPt : - return Hexagon::SUB_rr_cNotPt; - - // Conditional combine - - case Hexagon::COMBINE_rr_cdnPt : - return Hexagon::COMBINE_rr_cPt; - case Hexagon::COMBINE_rr_cdnNotPt : - return Hexagon::COMBINE_rr_cNotPt; - -// Conditional shift operations - - case Hexagon::ASLH_cdnPt_V4 : - return Hexagon::ASLH_cPt_V4; - case Hexagon::ASLH_cdnNotPt_V4 : - return Hexagon::ASLH_cNotPt_V4; - - case Hexagon::ASRH_cdnPt_V4 : - return Hexagon::ASRH_cPt_V4; - case Hexagon::ASRH_cdnNotPt_V4 : - return Hexagon::ASRH_cNotPt_V4; - - case Hexagon::SXTB_cdnPt_V4 : - return Hexagon::SXTB_cPt_V4; - case Hexagon::SXTB_cdnNotPt_V4 : - return Hexagon::SXTB_cNotPt_V4; - - case Hexagon::SXTH_cdnPt_V4 : - return Hexagon::SXTH_cPt_V4; - case Hexagon::SXTH_cdnNotPt_V4 : - return Hexagon::SXTH_cNotPt_V4; - - case Hexagon::ZXTB_cdnPt_V4 : - return Hexagon::ZXTB_cPt_V4; - case Hexagon::ZXTB_cdnNotPt_V4 : - return Hexagon::ZXTB_cNotPt_V4; - - case Hexagon::ZXTH_cdnPt_V4 : - return Hexagon::ZXTH_cPt_V4; - case Hexagon::ZXTH_cdnNotPt_V4 : - return Hexagon::ZXTH_cNotPt_V4; - - // Store byte - - case Hexagon::STrib_imm_cdnPt_V4 : - return Hexagon::STrib_imm_cPt_V4; - - case Hexagon::STrib_imm_cdnNotPt_V4 : - return Hexagon::STrib_imm_cNotPt_V4; - - case Hexagon::STrib_cdnPt_nv_V4 : - case Hexagon::STrib_cPt_nv_V4 : - case Hexagon::STrib_cdnPt_V4 : - return Hexagon::STrib_cPt; - - case Hexagon::STrib_cdnNotPt_nv_V4 : - case Hexagon::STrib_cNotPt_nv_V4 : - case Hexagon::STrib_cdnNotPt_V4 : - return Hexagon::STrib_cNotPt; - - case Hexagon::STrib_indexed_cdnPt_V4 : - case Hexagon::STrib_indexed_cPt_nv_V4 : - case Hexagon::STrib_indexed_cdnPt_nv_V4 : - return Hexagon::STrib_indexed_cPt; - - case Hexagon::STrib_indexed_cdnNotPt_V4 : - case Hexagon::STrib_indexed_cNotPt_nv_V4 : - case Hexagon::STrib_indexed_cdnNotPt_nv_V4 : - return Hexagon::STrib_indexed_cNotPt; - - case Hexagon::STrib_indexed_shl_cdnPt_nv_V4: - case Hexagon::STrib_indexed_shl_cPt_nv_V4 : - case Hexagon::STrib_indexed_shl_cdnPt_V4 : - return Hexagon::STrib_indexed_shl_cPt_V4; - - case Hexagon::STrib_indexed_shl_cdnNotPt_nv_V4: - case Hexagon::STrib_indexed_shl_cNotPt_nv_V4 : - case Hexagon::STrib_indexed_shl_cdnNotPt_V4 : - return Hexagon::STrib_indexed_shl_cNotPt_V4; - - case Hexagon::POST_STbri_cdnPt_nv_V4 : - case Hexagon::POST_STbri_cPt_nv_V4 : - case Hexagon::POST_STbri_cdnPt_V4 : - return Hexagon::POST_STbri_cPt; - - case Hexagon::POST_STbri_cdnNotPt_nv_V4 : - case Hexagon::POST_STbri_cNotPt_nv_V4: - case Hexagon::POST_STbri_cdnNotPt_V4 : - return Hexagon::POST_STbri_cNotPt; - - case Hexagon::STb_GP_cdnPt_nv_V4: - case Hexagon::STb_GP_cdnPt_V4: - case Hexagon::STb_GP_cPt_nv_V4: - return Hexagon::STb_GP_cPt_V4; - - case Hexagon::STb_GP_cdnNotPt_nv_V4: - case Hexagon::STb_GP_cdnNotPt_V4: - case Hexagon::STb_GP_cNotPt_nv_V4: - return Hexagon::STb_GP_cNotPt_V4; - - case Hexagon::STrib_GP_cdnPt_nv_V4: - case Hexagon::STrib_GP_cdnPt_V4: - case Hexagon::STrib_GP_cPt_nv_V4: - return Hexagon::STrib_GP_cPt_V4; - - case Hexagon::STrib_GP_cdnNotPt_nv_V4: - case Hexagon::STrib_GP_cdnNotPt_V4: - case Hexagon::STrib_GP_cNotPt_nv_V4: - return Hexagon::STrib_GP_cNotPt_V4; - - // Store new-value byte - unconditional - case Hexagon::STrib_nv_V4: - return Hexagon::STrib; - - case Hexagon::STrib_indexed_nv_V4: - return Hexagon::STrib_indexed; - - case Hexagon::STrib_indexed_shl_nv_V4: - return Hexagon::STrib_indexed_shl_V4; - - case Hexagon::STrib_shl_nv_V4: - return Hexagon::STrib_shl_V4; - - case Hexagon::STrib_GP_nv_V4: - return Hexagon::STrib_GP_V4; - - case Hexagon::STb_GP_nv_V4: - return Hexagon::STb_GP_V4; - - case Hexagon::POST_STbri_nv_V4: - return Hexagon::POST_STbri; - - // Store halfword - case Hexagon::STrih_imm_cdnPt_V4 : - return Hexagon::STrih_imm_cPt_V4; - - case Hexagon::STrih_imm_cdnNotPt_V4 : - return Hexagon::STrih_imm_cNotPt_V4; - - case Hexagon::STrih_cdnPt_nv_V4 : - case Hexagon::STrih_cPt_nv_V4 : - case Hexagon::STrih_cdnPt_V4 : - return Hexagon::STrih_cPt; - - case Hexagon::STrih_cdnNotPt_nv_V4 : - case Hexagon::STrih_cNotPt_nv_V4 : - case Hexagon::STrih_cdnNotPt_V4 : - return Hexagon::STrih_cNotPt; - - case Hexagon::STrih_indexed_cdnPt_nv_V4: - case Hexagon::STrih_indexed_cPt_nv_V4 : - case Hexagon::STrih_indexed_cdnPt_V4 : - return Hexagon::STrih_indexed_cPt; - - case Hexagon::STrih_indexed_cdnNotPt_nv_V4: - case Hexagon::STrih_indexed_cNotPt_nv_V4 : - case Hexagon::STrih_indexed_cdnNotPt_V4 : - return Hexagon::STrih_indexed_cNotPt; - - case Hexagon::STrih_indexed_shl_cdnPt_nv_V4 : - case Hexagon::STrih_indexed_shl_cPt_nv_V4 : - case Hexagon::STrih_indexed_shl_cdnPt_V4 : - return Hexagon::STrih_indexed_shl_cPt_V4; - - case Hexagon::STrih_indexed_shl_cdnNotPt_nv_V4 : - case Hexagon::STrih_indexed_shl_cNotPt_nv_V4 : - case Hexagon::STrih_indexed_shl_cdnNotPt_V4 : - return Hexagon::STrih_indexed_shl_cNotPt_V4; - - case Hexagon::POST_SThri_cdnPt_nv_V4 : - case Hexagon::POST_SThri_cPt_nv_V4 : - case Hexagon::POST_SThri_cdnPt_V4 : - return Hexagon::POST_SThri_cPt; - - case Hexagon::POST_SThri_cdnNotPt_nv_V4 : - case Hexagon::POST_SThri_cNotPt_nv_V4 : - case Hexagon::POST_SThri_cdnNotPt_V4 : - return Hexagon::POST_SThri_cNotPt; - - case Hexagon::STh_GP_cdnPt_nv_V4: - case Hexagon::STh_GP_cdnPt_V4: - case Hexagon::STh_GP_cPt_nv_V4: - return Hexagon::STh_GP_cPt_V4; - - case Hexagon::STh_GP_cdnNotPt_nv_V4: - case Hexagon::STh_GP_cdnNotPt_V4: - case Hexagon::STh_GP_cNotPt_nv_V4: - return Hexagon::STh_GP_cNotPt_V4; - - case Hexagon::STrih_GP_cdnPt_nv_V4: - case Hexagon::STrih_GP_cdnPt_V4: - case Hexagon::STrih_GP_cPt_nv_V4: - return Hexagon::STrih_GP_cPt_V4; - - case Hexagon::STrih_GP_cdnNotPt_nv_V4: - case Hexagon::STrih_GP_cdnNotPt_V4: - case Hexagon::STrih_GP_cNotPt_nv_V4: - return Hexagon::STrih_GP_cNotPt_V4; - - // Store new-value halfword - unconditional - - case Hexagon::STrih_nv_V4: - return Hexagon::STrih; - - case Hexagon::STrih_indexed_nv_V4: - return Hexagon::STrih_indexed; - - case Hexagon::STrih_indexed_shl_nv_V4: - return Hexagon::STrih_indexed_shl_V4; - - case Hexagon::STrih_shl_nv_V4: - return Hexagon::STrih_shl_V4; - - case Hexagon::STrih_GP_nv_V4: - return Hexagon::STrih_GP_V4; - - case Hexagon::STh_GP_nv_V4: - return Hexagon::STh_GP_V4; - - case Hexagon::POST_SThri_nv_V4: - return Hexagon::POST_SThri; - - // Store word - - case Hexagon::STriw_imm_cdnPt_V4 : - return Hexagon::STriw_imm_cPt_V4; - - case Hexagon::STriw_imm_cdnNotPt_V4 : - return Hexagon::STriw_imm_cNotPt_V4; - - case Hexagon::STriw_cdnPt_nv_V4 : - case Hexagon::STriw_cPt_nv_V4 : - case Hexagon::STriw_cdnPt_V4 : - return Hexagon::STriw_cPt; - - case Hexagon::STriw_cdnNotPt_nv_V4 : - case Hexagon::STriw_cNotPt_nv_V4 : - case Hexagon::STriw_cdnNotPt_V4 : - return Hexagon::STriw_cNotPt; - - case Hexagon::STriw_indexed_cdnPt_nv_V4 : - case Hexagon::STriw_indexed_cPt_nv_V4 : - case Hexagon::STriw_indexed_cdnPt_V4 : - return Hexagon::STriw_indexed_cPt; - - case Hexagon::STriw_indexed_cdnNotPt_nv_V4 : - case Hexagon::STriw_indexed_cNotPt_nv_V4 : - case Hexagon::STriw_indexed_cdnNotPt_V4 : - return Hexagon::STriw_indexed_cNotPt; - - case Hexagon::STriw_indexed_shl_cdnPt_nv_V4 : - case Hexagon::STriw_indexed_shl_cPt_nv_V4 : - case Hexagon::STriw_indexed_shl_cdnPt_V4 : - return Hexagon::STriw_indexed_shl_cPt_V4; - - case Hexagon::STriw_indexed_shl_cdnNotPt_nv_V4 : - case Hexagon::STriw_indexed_shl_cNotPt_nv_V4 : - case Hexagon::STriw_indexed_shl_cdnNotPt_V4 : - return Hexagon::STriw_indexed_shl_cNotPt_V4; - - case Hexagon::POST_STwri_cdnPt_nv_V4 : - case Hexagon::POST_STwri_cPt_nv_V4 : - case Hexagon::POST_STwri_cdnPt_V4 : - return Hexagon::POST_STwri_cPt; - - case Hexagon::POST_STwri_cdnNotPt_nv_V4 : - case Hexagon::POST_STwri_cNotPt_nv_V4 : - case Hexagon::POST_STwri_cdnNotPt_V4 : - return Hexagon::POST_STwri_cNotPt; - - case Hexagon::STw_GP_cdnPt_nv_V4: - case Hexagon::STw_GP_cdnPt_V4: - case Hexagon::STw_GP_cPt_nv_V4: - return Hexagon::STw_GP_cPt_V4; - - case Hexagon::STw_GP_cdnNotPt_nv_V4: - case Hexagon::STw_GP_cdnNotPt_V4: - case Hexagon::STw_GP_cNotPt_nv_V4: - return Hexagon::STw_GP_cNotPt_V4; - - case Hexagon::STriw_GP_cdnPt_nv_V4: - case Hexagon::STriw_GP_cdnPt_V4: - case Hexagon::STriw_GP_cPt_nv_V4: - return Hexagon::STriw_GP_cPt_V4; - - case Hexagon::STriw_GP_cdnNotPt_nv_V4: - case Hexagon::STriw_GP_cdnNotPt_V4: - case Hexagon::STriw_GP_cNotPt_nv_V4: - return Hexagon::STriw_GP_cNotPt_V4; - - // Store new-value word - unconditional - - case Hexagon::STriw_nv_V4: - return Hexagon::STriw; - - case Hexagon::STriw_indexed_nv_V4: - return Hexagon::STriw_indexed; - - case Hexagon::STriw_indexed_shl_nv_V4: - return Hexagon::STriw_indexed_shl_V4; - - case Hexagon::STriw_shl_nv_V4: - return Hexagon::STriw_shl_V4; - - case Hexagon::STriw_GP_nv_V4: - return Hexagon::STriw_GP_V4; - - case Hexagon::STw_GP_nv_V4: - return Hexagon::STw_GP_V4; - - case Hexagon::POST_STwri_nv_V4: - return Hexagon::POST_STwri; - - // Store doubleword - - case Hexagon::STrid_cdnPt_V4 : - return Hexagon::STrid_cPt; - - case Hexagon::STrid_cdnNotPt_V4 : - return Hexagon::STrid_cNotPt; - - case Hexagon::STrid_indexed_cdnPt_V4 : - return Hexagon::STrid_indexed_cPt; - - case Hexagon::STrid_indexed_cdnNotPt_V4 : - return Hexagon::STrid_indexed_cNotPt; - - case Hexagon::STrid_indexed_shl_cdnPt_V4 : - return Hexagon::STrid_indexed_shl_cPt_V4; - - case Hexagon::STrid_indexed_shl_cdnNotPt_V4 : - return Hexagon::STrid_indexed_shl_cNotPt_V4; - - case Hexagon::POST_STdri_cdnPt_V4 : - return Hexagon::POST_STdri_cPt; - - case Hexagon::POST_STdri_cdnNotPt_V4 : - return Hexagon::POST_STdri_cNotPt; - - case Hexagon::STd_GP_cdnPt_V4 : - return Hexagon::STd_GP_cPt_V4; - - case Hexagon::STd_GP_cdnNotPt_V4 : - return Hexagon::STd_GP_cNotPt_V4; - - case Hexagon::STrid_GP_cdnPt_V4 : - return Hexagon::STrid_GP_cPt_V4; - - case Hexagon::STrid_GP_cdnNotPt_V4 : - return Hexagon::STrid_GP_cNotPt_V4; - } -} - -bool HexagonPacketizerList::DemoteToDotOld(MachineInstr* MI) { - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - int NewOpcode = GetDotOldOp(MI->getOpcode()); - MI->setDesc(QII->get(NewOpcode)); - return true; -} - -// Returns true if an instruction is predicated on p0 and false if it's -// predicated on !p0. - -static bool GetPredicateSense(MachineInstr* MI, - const HexagonInstrInfo *QII) { - - switch (MI->getOpcode()) { - case Hexagon::TFR_cPt: - case Hexagon::TFR_cdnPt: - case Hexagon::TFRI_cPt: - case Hexagon::TFRI_cdnPt: - case Hexagon::STrib_cPt : - case Hexagon::STrib_cdnPt_V4 : - case Hexagon::STrib_indexed_cPt : - case Hexagon::STrib_indexed_cdnPt_V4 : - case Hexagon::STrib_indexed_shl_cPt_V4 : - case Hexagon::STrib_indexed_shl_cdnPt_V4 : - case Hexagon::POST_STbri_cPt : - case Hexagon::POST_STbri_cdnPt_V4 : - case Hexagon::STrih_cPt : - case Hexagon::STrih_cdnPt_V4 : - case Hexagon::STrih_indexed_cPt : - case Hexagon::STrih_indexed_cdnPt_V4 : - case Hexagon::STrih_indexed_shl_cPt_V4 : - case Hexagon::STrih_indexed_shl_cdnPt_V4 : - case Hexagon::POST_SThri_cPt : - case Hexagon::POST_SThri_cdnPt_V4 : - case Hexagon::STriw_cPt : - case Hexagon::STriw_cdnPt_V4 : - case Hexagon::STriw_indexed_cPt : - case Hexagon::STriw_indexed_cdnPt_V4 : - case Hexagon::STriw_indexed_shl_cPt_V4 : - case Hexagon::STriw_indexed_shl_cdnPt_V4 : - case Hexagon::POST_STwri_cPt : - case Hexagon::POST_STwri_cdnPt_V4 : - case Hexagon::STrib_imm_cPt_V4 : - case Hexagon::STrib_imm_cdnPt_V4 : - case Hexagon::STrid_cPt : - case Hexagon::STrid_cdnPt_V4 : - case Hexagon::STrid_indexed_cPt : - case Hexagon::STrid_indexed_cdnPt_V4 : - case Hexagon::STrid_indexed_shl_cPt_V4 : - case Hexagon::STrid_indexed_shl_cdnPt_V4 : - case Hexagon::POST_STdri_cPt : - case Hexagon::POST_STdri_cdnPt_V4 : - case Hexagon::STrih_imm_cPt_V4 : - case Hexagon::STrih_imm_cdnPt_V4 : - case Hexagon::STriw_imm_cPt_V4 : - case Hexagon::STriw_imm_cdnPt_V4 : - case Hexagon::JMP_cdnPt : - case Hexagon::LDrid_cPt : - case Hexagon::LDrid_cdnPt : - case Hexagon::LDrid_indexed_cPt : - case Hexagon::LDrid_indexed_cdnPt : - case Hexagon::POST_LDrid_cPt : - case Hexagon::POST_LDrid_cdnPt_V4 : - case Hexagon::LDriw_cPt : - case Hexagon::LDriw_cdnPt : - case Hexagon::LDriw_indexed_cPt : - case Hexagon::LDriw_indexed_cdnPt : - case Hexagon::POST_LDriw_cPt : - case Hexagon::POST_LDriw_cdnPt_V4 : - case Hexagon::LDrih_cPt : - case Hexagon::LDrih_cdnPt : - case Hexagon::LDrih_indexed_cPt : - case Hexagon::LDrih_indexed_cdnPt : - case Hexagon::POST_LDrih_cPt : - case Hexagon::POST_LDrih_cdnPt_V4 : - case Hexagon::LDrib_cPt : - case Hexagon::LDrib_cdnPt : - case Hexagon::LDrib_indexed_cPt : - case Hexagon::LDrib_indexed_cdnPt : - case Hexagon::POST_LDrib_cPt : - case Hexagon::POST_LDrib_cdnPt_V4 : - case Hexagon::LDriuh_cPt : - case Hexagon::LDriuh_cdnPt : - case Hexagon::LDriuh_indexed_cPt : - case Hexagon::LDriuh_indexed_cdnPt : - case Hexagon::POST_LDriuh_cPt : - case Hexagon::POST_LDriuh_cdnPt_V4 : - case Hexagon::LDriub_cPt : - case Hexagon::LDriub_cdnPt : - case Hexagon::LDriub_indexed_cPt : - case Hexagon::LDriub_indexed_cdnPt : - case Hexagon::POST_LDriub_cPt : - case Hexagon::POST_LDriub_cdnPt_V4 : - case Hexagon::LDrid_indexed_cPt_V4 : - case Hexagon::LDrid_indexed_cdnPt_V4 : - case Hexagon::LDrid_indexed_shl_cPt_V4 : - case Hexagon::LDrid_indexed_shl_cdnPt_V4 : - case Hexagon::LDrib_indexed_cPt_V4 : - case Hexagon::LDrib_indexed_cdnPt_V4 : - case Hexagon::LDrib_indexed_shl_cPt_V4 : - case Hexagon::LDrib_indexed_shl_cdnPt_V4 : - case Hexagon::LDriub_indexed_cPt_V4 : - case Hexagon::LDriub_indexed_cdnPt_V4 : - case Hexagon::LDriub_indexed_shl_cPt_V4 : - case Hexagon::LDriub_indexed_shl_cdnPt_V4 : - case Hexagon::LDrih_indexed_cPt_V4 : - case Hexagon::LDrih_indexed_cdnPt_V4 : - case Hexagon::LDrih_indexed_shl_cPt_V4 : - case Hexagon::LDrih_indexed_shl_cdnPt_V4 : - case Hexagon::LDriuh_indexed_cPt_V4 : - case Hexagon::LDriuh_indexed_cdnPt_V4 : - case Hexagon::LDriuh_indexed_shl_cPt_V4 : - case Hexagon::LDriuh_indexed_shl_cdnPt_V4 : - case Hexagon::LDriw_indexed_cPt_V4 : - case Hexagon::LDriw_indexed_cdnPt_V4 : - case Hexagon::LDriw_indexed_shl_cPt_V4 : - case Hexagon::LDriw_indexed_shl_cdnPt_V4 : - case Hexagon::ADD_ri_cPt : - case Hexagon::ADD_ri_cdnPt : - case Hexagon::ADD_rr_cPt : - case Hexagon::ADD_rr_cdnPt : - case Hexagon::XOR_rr_cPt : - case Hexagon::XOR_rr_cdnPt : - case Hexagon::AND_rr_cPt : - case Hexagon::AND_rr_cdnPt : - case Hexagon::OR_rr_cPt : - case Hexagon::OR_rr_cdnPt : - case Hexagon::SUB_rr_cPt : - case Hexagon::SUB_rr_cdnPt : - case Hexagon::COMBINE_rr_cPt : - case Hexagon::COMBINE_rr_cdnPt : - case Hexagon::ASLH_cPt_V4 : - case Hexagon::ASLH_cdnPt_V4 : - case Hexagon::ASRH_cPt_V4 : - case Hexagon::ASRH_cdnPt_V4 : - case Hexagon::SXTB_cPt_V4 : - case Hexagon::SXTB_cdnPt_V4 : - case Hexagon::SXTH_cPt_V4 : - case Hexagon::SXTH_cdnPt_V4 : - case Hexagon::ZXTB_cPt_V4 : - case Hexagon::ZXTB_cdnPt_V4 : - case Hexagon::ZXTH_cPt_V4 : - case Hexagon::ZXTH_cdnPt_V4 : - case Hexagon::LDrid_GP_cPt_V4 : - case Hexagon::LDrib_GP_cPt_V4 : - case Hexagon::LDriub_GP_cPt_V4 : - case Hexagon::LDrih_GP_cPt_V4 : - case Hexagon::LDriuh_GP_cPt_V4 : - case Hexagon::LDriw_GP_cPt_V4 : - case Hexagon::LDd_GP_cPt_V4 : - case Hexagon::LDb_GP_cPt_V4 : - case Hexagon::LDub_GP_cPt_V4 : - case Hexagon::LDh_GP_cPt_V4 : - case Hexagon::LDuh_GP_cPt_V4 : - case Hexagon::LDw_GP_cPt_V4 : - case Hexagon::STrid_GP_cPt_V4 : - case Hexagon::STrib_GP_cPt_V4 : - case Hexagon::STrih_GP_cPt_V4 : - case Hexagon::STriw_GP_cPt_V4 : - case Hexagon::STd_GP_cPt_V4 : - case Hexagon::STb_GP_cPt_V4 : - case Hexagon::STh_GP_cPt_V4 : - case Hexagon::STw_GP_cPt_V4 : - case Hexagon::LDrid_GP_cdnPt_V4 : - case Hexagon::LDrib_GP_cdnPt_V4 : - case Hexagon::LDriub_GP_cdnPt_V4 : - case Hexagon::LDrih_GP_cdnPt_V4 : - case Hexagon::LDriuh_GP_cdnPt_V4 : - case Hexagon::LDriw_GP_cdnPt_V4 : - case Hexagon::LDd_GP_cdnPt_V4 : - case Hexagon::LDb_GP_cdnPt_V4 : - case Hexagon::LDub_GP_cdnPt_V4 : - case Hexagon::LDh_GP_cdnPt_V4 : - case Hexagon::LDuh_GP_cdnPt_V4 : - case Hexagon::LDw_GP_cdnPt_V4 : - case Hexagon::STrid_GP_cdnPt_V4 : - case Hexagon::STrib_GP_cdnPt_V4 : - case Hexagon::STrih_GP_cdnPt_V4 : - case Hexagon::STriw_GP_cdnPt_V4 : - case Hexagon::STd_GP_cdnPt_V4 : - case Hexagon::STb_GP_cdnPt_V4 : - case Hexagon::STh_GP_cdnPt_V4 : - case Hexagon::STw_GP_cdnPt_V4 : - return true; - - case Hexagon::TFR_cNotPt: - case Hexagon::TFR_cdnNotPt: - case Hexagon::TFRI_cNotPt: - case Hexagon::TFRI_cdnNotPt: - case Hexagon::STrib_cNotPt : - case Hexagon::STrib_cdnNotPt_V4 : - case Hexagon::STrib_indexed_cNotPt : - case Hexagon::STrib_indexed_cdnNotPt_V4 : - case Hexagon::STrib_indexed_shl_cNotPt_V4 : - case Hexagon::STrib_indexed_shl_cdnNotPt_V4 : - case Hexagon::POST_STbri_cNotPt : - case Hexagon::POST_STbri_cdnNotPt_V4 : - case Hexagon::STrih_cNotPt : - case Hexagon::STrih_cdnNotPt_V4 : - case Hexagon::STrih_indexed_cNotPt : - case Hexagon::STrih_indexed_cdnNotPt_V4 : - case Hexagon::STrih_indexed_shl_cNotPt_V4 : - case Hexagon::STrih_indexed_shl_cdnNotPt_V4 : - case Hexagon::POST_SThri_cNotPt : - case Hexagon::POST_SThri_cdnNotPt_V4 : - case Hexagon::STriw_cNotPt : - case Hexagon::STriw_cdnNotPt_V4 : - case Hexagon::STriw_indexed_cNotPt : - case Hexagon::STriw_indexed_cdnNotPt_V4 : - case Hexagon::STriw_indexed_shl_cNotPt_V4 : - case Hexagon::STriw_indexed_shl_cdnNotPt_V4 : - case Hexagon::POST_STwri_cNotPt : - case Hexagon::POST_STwri_cdnNotPt_V4 : - case Hexagon::STrib_imm_cNotPt_V4 : - case Hexagon::STrib_imm_cdnNotPt_V4 : - case Hexagon::STrid_cNotPt : - case Hexagon::STrid_cdnNotPt_V4 : - case Hexagon::STrid_indexed_cdnNotPt_V4 : - case Hexagon::STrid_indexed_cNotPt : - case Hexagon::STrid_indexed_shl_cNotPt_V4 : - case Hexagon::STrid_indexed_shl_cdnNotPt_V4 : - case Hexagon::POST_STdri_cNotPt : - case Hexagon::POST_STdri_cdnNotPt_V4 : - case Hexagon::STrih_imm_cNotPt_V4 : - case Hexagon::STrih_imm_cdnNotPt_V4 : - case Hexagon::STriw_imm_cNotPt_V4 : - case Hexagon::STriw_imm_cdnNotPt_V4 : - case Hexagon::JMP_cdnNotPt : - case Hexagon::LDrid_cNotPt : - case Hexagon::LDrid_cdnNotPt : - case Hexagon::LDrid_indexed_cNotPt : - case Hexagon::LDrid_indexed_cdnNotPt : - case Hexagon::POST_LDrid_cNotPt : - case Hexagon::POST_LDrid_cdnNotPt_V4 : - case Hexagon::LDriw_cNotPt : - case Hexagon::LDriw_cdnNotPt : - case Hexagon::LDriw_indexed_cNotPt : - case Hexagon::LDriw_indexed_cdnNotPt : - case Hexagon::POST_LDriw_cNotPt : - case Hexagon::POST_LDriw_cdnNotPt_V4 : - case Hexagon::LDrih_cNotPt : - case Hexagon::LDrih_cdnNotPt : - case Hexagon::LDrih_indexed_cNotPt : - case Hexagon::LDrih_indexed_cdnNotPt : - case Hexagon::POST_LDrih_cNotPt : - case Hexagon::POST_LDrih_cdnNotPt_V4 : - case Hexagon::LDrib_cNotPt : - case Hexagon::LDrib_cdnNotPt : - case Hexagon::LDrib_indexed_cNotPt : - case Hexagon::LDrib_indexed_cdnNotPt : - case Hexagon::POST_LDrib_cNotPt : - case Hexagon::POST_LDrib_cdnNotPt_V4 : - case Hexagon::LDriuh_cNotPt : - case Hexagon::LDriuh_cdnNotPt : - case Hexagon::LDriuh_indexed_cNotPt : - case Hexagon::LDriuh_indexed_cdnNotPt : - case Hexagon::POST_LDriuh_cNotPt : - case Hexagon::POST_LDriuh_cdnNotPt_V4 : - case Hexagon::LDriub_cNotPt : - case Hexagon::LDriub_cdnNotPt : - case Hexagon::LDriub_indexed_cNotPt : - case Hexagon::LDriub_indexed_cdnNotPt : - case Hexagon::POST_LDriub_cNotPt : - case Hexagon::POST_LDriub_cdnNotPt_V4 : - case Hexagon::LDrid_indexed_cNotPt_V4 : - case Hexagon::LDrid_indexed_cdnNotPt_V4 : - case Hexagon::LDrid_indexed_shl_cNotPt_V4 : - case Hexagon::LDrid_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDrib_indexed_cNotPt_V4 : - case Hexagon::LDrib_indexed_cdnNotPt_V4 : - case Hexagon::LDrib_indexed_shl_cNotPt_V4 : - case Hexagon::LDrib_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDriub_indexed_cNotPt_V4 : - case Hexagon::LDriub_indexed_cdnNotPt_V4 : - case Hexagon::LDriub_indexed_shl_cNotPt_V4 : - case Hexagon::LDriub_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDrih_indexed_cNotPt_V4 : - case Hexagon::LDrih_indexed_cdnNotPt_V4 : - case Hexagon::LDrih_indexed_shl_cNotPt_V4 : - case Hexagon::LDrih_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDriuh_indexed_cNotPt_V4 : - case Hexagon::LDriuh_indexed_cdnNotPt_V4 : - case Hexagon::LDriuh_indexed_shl_cNotPt_V4 : - case Hexagon::LDriuh_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDriw_indexed_cNotPt_V4 : - case Hexagon::LDriw_indexed_cdnNotPt_V4 : - case Hexagon::LDriw_indexed_shl_cNotPt_V4 : - case Hexagon::LDriw_indexed_shl_cdnNotPt_V4 : - case Hexagon::ADD_ri_cNotPt : - case Hexagon::ADD_ri_cdnNotPt : - case Hexagon::ADD_rr_cNotPt : - case Hexagon::ADD_rr_cdnNotPt : - case Hexagon::XOR_rr_cNotPt : - case Hexagon::XOR_rr_cdnNotPt : - case Hexagon::AND_rr_cNotPt : - case Hexagon::AND_rr_cdnNotPt : - case Hexagon::OR_rr_cNotPt : - case Hexagon::OR_rr_cdnNotPt : - case Hexagon::SUB_rr_cNotPt : - case Hexagon::SUB_rr_cdnNotPt : - case Hexagon::COMBINE_rr_cNotPt : - case Hexagon::COMBINE_rr_cdnNotPt : - case Hexagon::ASLH_cNotPt_V4 : - case Hexagon::ASLH_cdnNotPt_V4 : - case Hexagon::ASRH_cNotPt_V4 : - case Hexagon::ASRH_cdnNotPt_V4 : - case Hexagon::SXTB_cNotPt_V4 : - case Hexagon::SXTB_cdnNotPt_V4 : - case Hexagon::SXTH_cNotPt_V4 : - case Hexagon::SXTH_cdnNotPt_V4 : - case Hexagon::ZXTB_cNotPt_V4 : - case Hexagon::ZXTB_cdnNotPt_V4 : - case Hexagon::ZXTH_cNotPt_V4 : - case Hexagon::ZXTH_cdnNotPt_V4 : - - case Hexagon::LDrid_GP_cNotPt_V4 : - case Hexagon::LDrib_GP_cNotPt_V4 : - case Hexagon::LDriub_GP_cNotPt_V4 : - case Hexagon::LDrih_GP_cNotPt_V4 : - case Hexagon::LDriuh_GP_cNotPt_V4 : - case Hexagon::LDriw_GP_cNotPt_V4 : - case Hexagon::LDd_GP_cNotPt_V4 : - case Hexagon::LDb_GP_cNotPt_V4 : - case Hexagon::LDub_GP_cNotPt_V4 : - case Hexagon::LDh_GP_cNotPt_V4 : - case Hexagon::LDuh_GP_cNotPt_V4 : - case Hexagon::LDw_GP_cNotPt_V4 : - case Hexagon::STrid_GP_cNotPt_V4 : - case Hexagon::STrib_GP_cNotPt_V4 : - case Hexagon::STrih_GP_cNotPt_V4 : - case Hexagon::STriw_GP_cNotPt_V4 : - case Hexagon::STd_GP_cNotPt_V4 : - case Hexagon::STb_GP_cNotPt_V4 : - case Hexagon::STh_GP_cNotPt_V4 : - case Hexagon::STw_GP_cNotPt_V4 : - case Hexagon::LDrid_GP_cdnNotPt_V4 : - case Hexagon::LDrib_GP_cdnNotPt_V4 : - case Hexagon::LDriub_GP_cdnNotPt_V4 : - case Hexagon::LDrih_GP_cdnNotPt_V4 : - case Hexagon::LDriuh_GP_cdnNotPt_V4 : - case Hexagon::LDriw_GP_cdnNotPt_V4 : - case Hexagon::LDd_GP_cdnNotPt_V4 : - case Hexagon::LDb_GP_cdnNotPt_V4 : - case Hexagon::LDub_GP_cdnNotPt_V4 : - case Hexagon::LDh_GP_cdnNotPt_V4 : - case Hexagon::LDuh_GP_cdnNotPt_V4 : - case Hexagon::LDw_GP_cdnNotPt_V4 : - case Hexagon::STrid_GP_cdnNotPt_V4 : - case Hexagon::STrib_GP_cdnNotPt_V4 : - case Hexagon::STrih_GP_cdnNotPt_V4 : - case Hexagon::STriw_GP_cdnNotPt_V4 : - case Hexagon::STd_GP_cdnNotPt_V4 : - case Hexagon::STb_GP_cdnNotPt_V4 : - case Hexagon::STh_GP_cdnNotPt_V4 : - case Hexagon::STw_GP_cdnNotPt_V4 : - return false; - - default: - assert (false && "Unknown predicate sense of the instruction"); - } - // return *some value* to avoid compiler warning - return false; -} - -bool HexagonPacketizerList::isDotNewInst(MachineInstr* MI) { - if (isNewValueInst(MI)) - return true; - - switch (MI->getOpcode()) { - case Hexagon::TFR_cdnNotPt: - case Hexagon::TFR_cdnPt: - case Hexagon::TFRI_cdnNotPt: - case Hexagon::TFRI_cdnPt: - case Hexagon::LDrid_cdnPt : - case Hexagon::LDrid_cdnNotPt : - case Hexagon::LDrid_indexed_cdnPt : - case Hexagon::LDrid_indexed_cdnNotPt : - case Hexagon::POST_LDrid_cdnPt_V4 : - case Hexagon::POST_LDrid_cdnNotPt_V4 : - case Hexagon::LDriw_cdnPt : - case Hexagon::LDriw_cdnNotPt : - case Hexagon::LDriw_indexed_cdnPt : - case Hexagon::LDriw_indexed_cdnNotPt : - case Hexagon::POST_LDriw_cdnPt_V4 : - case Hexagon::POST_LDriw_cdnNotPt_V4 : - case Hexagon::LDrih_cdnPt : - case Hexagon::LDrih_cdnNotPt : - case Hexagon::LDrih_indexed_cdnPt : - case Hexagon::LDrih_indexed_cdnNotPt : - case Hexagon::POST_LDrih_cdnPt_V4 : - case Hexagon::POST_LDrih_cdnNotPt_V4 : - case Hexagon::LDrib_cdnPt : - case Hexagon::LDrib_cdnNotPt : - case Hexagon::LDrib_indexed_cdnPt : - case Hexagon::LDrib_indexed_cdnNotPt : - case Hexagon::POST_LDrib_cdnPt_V4 : - case Hexagon::POST_LDrib_cdnNotPt_V4 : - case Hexagon::LDriuh_cdnPt : - case Hexagon::LDriuh_cdnNotPt : - case Hexagon::LDriuh_indexed_cdnPt : - case Hexagon::LDriuh_indexed_cdnNotPt : - case Hexagon::POST_LDriuh_cdnPt_V4 : - case Hexagon::POST_LDriuh_cdnNotPt_V4 : - case Hexagon::LDriub_cdnPt : - case Hexagon::LDriub_cdnNotPt : - case Hexagon::LDriub_indexed_cdnPt : - case Hexagon::LDriub_indexed_cdnNotPt : - case Hexagon::POST_LDriub_cdnPt_V4 : - case Hexagon::POST_LDriub_cdnNotPt_V4 : - - case Hexagon::LDrid_indexed_cdnPt_V4 : - case Hexagon::LDrid_indexed_cdnNotPt_V4 : - case Hexagon::LDrid_indexed_shl_cdnPt_V4 : - case Hexagon::LDrid_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDrib_indexed_cdnPt_V4 : - case Hexagon::LDrib_indexed_cdnNotPt_V4 : - case Hexagon::LDrib_indexed_shl_cdnPt_V4 : - case Hexagon::LDrib_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDriub_indexed_cdnPt_V4 : - case Hexagon::LDriub_indexed_cdnNotPt_V4 : - case Hexagon::LDriub_indexed_shl_cdnPt_V4 : - case Hexagon::LDriub_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDrih_indexed_cdnPt_V4 : - case Hexagon::LDrih_indexed_cdnNotPt_V4 : - case Hexagon::LDrih_indexed_shl_cdnPt_V4 : - case Hexagon::LDrih_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDriuh_indexed_cdnPt_V4 : - case Hexagon::LDriuh_indexed_cdnNotPt_V4 : - case Hexagon::LDriuh_indexed_shl_cdnPt_V4 : - case Hexagon::LDriuh_indexed_shl_cdnNotPt_V4 : - case Hexagon::LDriw_indexed_cdnPt_V4 : - case Hexagon::LDriw_indexed_cdnNotPt_V4 : - case Hexagon::LDriw_indexed_shl_cdnPt_V4 : - case Hexagon::LDriw_indexed_shl_cdnNotPt_V4 : - -// Coditional add - case Hexagon::ADD_ri_cdnPt: - case Hexagon::ADD_ri_cdnNotPt: - case Hexagon::ADD_rr_cdnPt: - case Hexagon::ADD_rr_cdnNotPt: - - // Conditional logical operations - case Hexagon::XOR_rr_cdnPt : - case Hexagon::XOR_rr_cdnNotPt : - case Hexagon::AND_rr_cdnPt : - case Hexagon::AND_rr_cdnNotPt : - case Hexagon::OR_rr_cdnPt : - case Hexagon::OR_rr_cdnNotPt : - - // Conditonal subtract - case Hexagon::SUB_rr_cdnPt : - case Hexagon::SUB_rr_cdnNotPt : - - // Conditional combine - case Hexagon::COMBINE_rr_cdnPt : - case Hexagon::COMBINE_rr_cdnNotPt : - - // Conditional shift operations - case Hexagon::ASLH_cdnPt_V4: - case Hexagon::ASLH_cdnNotPt_V4: - case Hexagon::ASRH_cdnPt_V4: - case Hexagon::ASRH_cdnNotPt_V4: - case Hexagon::SXTB_cdnPt_V4: - case Hexagon::SXTB_cdnNotPt_V4: - case Hexagon::SXTH_cdnPt_V4: - case Hexagon::SXTH_cdnNotPt_V4: - case Hexagon::ZXTB_cdnPt_V4: - case Hexagon::ZXTB_cdnNotPt_V4: - case Hexagon::ZXTH_cdnPt_V4: - case Hexagon::ZXTH_cdnNotPt_V4: - - // Conditional stores - case Hexagon::STrib_imm_cdnPt_V4 : - case Hexagon::STrib_imm_cdnNotPt_V4 : - case Hexagon::STrib_cdnPt_V4 : - case Hexagon::STrib_cdnNotPt_V4 : - case Hexagon::STrib_indexed_cdnPt_V4 : - case Hexagon::STrib_indexed_cdnNotPt_V4 : - case Hexagon::POST_STbri_cdnPt_V4 : - case Hexagon::POST_STbri_cdnNotPt_V4 : - case Hexagon::STrib_indexed_shl_cdnPt_V4 : - case Hexagon::STrib_indexed_shl_cdnNotPt_V4 : - - // Store doubleword conditionally - case Hexagon::STrid_indexed_cdnPt_V4 : - case Hexagon::STrid_indexed_cdnNotPt_V4 : - case Hexagon::STrid_indexed_shl_cdnPt_V4 : - case Hexagon::STrid_indexed_shl_cdnNotPt_V4 : - case Hexagon::POST_STdri_cdnPt_V4 : - case Hexagon::POST_STdri_cdnNotPt_V4 : - - // Store halfword conditionally - case Hexagon::STrih_cdnPt_V4 : - case Hexagon::STrih_cdnNotPt_V4 : - case Hexagon::STrih_indexed_cdnPt_V4 : - case Hexagon::STrih_indexed_cdnNotPt_V4 : - case Hexagon::STrih_imm_cdnPt_V4 : - case Hexagon::STrih_imm_cdnNotPt_V4 : - case Hexagon::STrih_indexed_shl_cdnPt_V4 : - case Hexagon::STrih_indexed_shl_cdnNotPt_V4 : - case Hexagon::POST_SThri_cdnPt_V4 : - case Hexagon::POST_SThri_cdnNotPt_V4 : - - // Store word conditionally - case Hexagon::STriw_cdnPt_V4 : - case Hexagon::STriw_cdnNotPt_V4 : - case Hexagon::STriw_indexed_cdnPt_V4 : - case Hexagon::STriw_indexed_cdnNotPt_V4 : - case Hexagon::STriw_imm_cdnPt_V4 : - case Hexagon::STriw_imm_cdnNotPt_V4 : - case Hexagon::STriw_indexed_shl_cdnPt_V4 : - case Hexagon::STriw_indexed_shl_cdnNotPt_V4 : - case Hexagon::POST_STwri_cdnPt_V4 : - case Hexagon::POST_STwri_cdnNotPt_V4 : - - case Hexagon::LDd_GP_cdnPt_V4: - case Hexagon::LDd_GP_cdnNotPt_V4: - case Hexagon::LDb_GP_cdnPt_V4: - case Hexagon::LDb_GP_cdnNotPt_V4: - case Hexagon::LDub_GP_cdnPt_V4: - case Hexagon::LDub_GP_cdnNotPt_V4: - case Hexagon::LDh_GP_cdnPt_V4: - case Hexagon::LDh_GP_cdnNotPt_V4: - case Hexagon::LDuh_GP_cdnPt_V4: - case Hexagon::LDuh_GP_cdnNotPt_V4: - case Hexagon::LDw_GP_cdnPt_V4: - case Hexagon::LDw_GP_cdnNotPt_V4: - case Hexagon::LDrid_GP_cdnPt_V4: - case Hexagon::LDrid_GP_cdnNotPt_V4: - case Hexagon::LDrib_GP_cdnPt_V4: - case Hexagon::LDrib_GP_cdnNotPt_V4: - case Hexagon::LDriub_GP_cdnPt_V4: - case Hexagon::LDriub_GP_cdnNotPt_V4: - case Hexagon::LDrih_GP_cdnPt_V4: - case Hexagon::LDrih_GP_cdnNotPt_V4: - case Hexagon::LDriuh_GP_cdnPt_V4: - case Hexagon::LDriuh_GP_cdnNotPt_V4: - case Hexagon::LDriw_GP_cdnPt_V4: - case Hexagon::LDriw_GP_cdnNotPt_V4: - - case Hexagon::STrid_GP_cdnPt_V4: - case Hexagon::STrid_GP_cdnNotPt_V4: - case Hexagon::STrib_GP_cdnPt_V4: - case Hexagon::STrib_GP_cdnNotPt_V4: - case Hexagon::STrih_GP_cdnPt_V4: - case Hexagon::STrih_GP_cdnNotPt_V4: - case Hexagon::STriw_GP_cdnPt_V4: - case Hexagon::STriw_GP_cdnNotPt_V4: - case Hexagon::STd_GP_cdnPt_V4: - case Hexagon::STd_GP_cdnNotPt_V4: - case Hexagon::STb_GP_cdnPt_V4: - case Hexagon::STb_GP_cdnNotPt_V4: - case Hexagon::STh_GP_cdnPt_V4: - case Hexagon::STh_GP_cdnNotPt_V4: - case Hexagon::STw_GP_cdnPt_V4: - case Hexagon::STw_GP_cdnNotPt_V4: - - return true; - } - return false; -} - -static MachineOperand& GetPostIncrementOperand(MachineInstr *MI, - const HexagonInstrInfo *QII) { - assert(QII->isPostIncrement(MI) && "Not a post increment operation."); -#ifndef NDEBUG - // Post Increment means duplicates. Use dense map to find duplicates in the - // list. Caution: Densemap initializes with the minimum of 64 buckets, - // whereas there are at most 5 operands in the post increment. - DenseMap<unsigned, unsigned> DefRegsSet; - for(unsigned opNum = 0; opNum < MI->getNumOperands(); opNum++) - if (MI->getOperand(opNum).isReg() && - MI->getOperand(opNum).isDef()) { - DefRegsSet[MI->getOperand(opNum).getReg()] = 1; - } - - for(unsigned opNum = 0; opNum < MI->getNumOperands(); opNum++) - if (MI->getOperand(opNum).isReg() && - MI->getOperand(opNum).isUse()) { - if (DefRegsSet[MI->getOperand(opNum).getReg()]) { - return MI->getOperand(opNum); - } - } -#else - if (MI->getDesc().mayLoad()) { - // The 2nd operand is always the post increment operand in load. - assert(MI->getOperand(1).isReg() && - "Post increment operand has be to a register."); - return (MI->getOperand(1)); - } - if (MI->getDesc().mayStore()) { - // The 1st operand is always the post increment operand in store. - assert(MI->getOperand(0).isReg() && - "Post increment operand has be to a register."); - return (MI->getOperand(0)); - } -#endif - // we should never come here. - llvm_unreachable("mayLoad or mayStore not set for Post Increment operation"); -} - -// get the value being stored -static MachineOperand& GetStoreValueOperand(MachineInstr *MI) { - // value being stored is always the last operand. - return (MI->getOperand(MI->getNumOperands()-1)); -} - -// can be new value store? -// Following restrictions are to be respected in convert a store into -// a new value store. -// 1. If an instruction uses auto-increment, its address register cannot -// be a new-value register. Arch Spec 5.4.2.1 -// 2. If an instruction uses absolute-set addressing mode, -// its address register cannot be a new-value register. -// Arch Spec 5.4.2.1.TODO: This is not enabled as -// as absolute-set address mode patters are not implemented. -// 3. If an instruction produces a 64-bit result, its registers cannot be used -// as new-value registers. Arch Spec 5.4.2.2. -// 4. If the instruction that sets a new-value register is conditional, then -// the instruction that uses the new-value register must also be conditional, -// and both must always have their predicates evaluate identically. -// Arch Spec 5.4.2.3. -// 5. There is an implied restriction of a packet can not have another store, -// if there is a new value store in the packet. Corollary, if there is -// already a store in a packet, there can not be a new value store. -// Arch Spec: 3.4.4.2 -bool HexagonPacketizerList::CanPromoteToNewValueStore( MachineInstr *MI, - MachineInstr *PacketMI, unsigned DepReg, - std::map <MachineInstr*, SUnit*> MIToSUnit) -{ - // Make sure we are looking at the store - if (!IsNewifyStore(MI)) - return false; - - // Make sure there is dependency and can be new value'ed - if (GetStoreValueOperand(MI).isReg() && - GetStoreValueOperand(MI).getReg() != DepReg) - return false; - - const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); - const MCInstrDesc& MCID = PacketMI->getDesc(); - // first operand is always the result - - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - const TargetRegisterClass* PacketRC = QII->getRegClass(MCID, 0, QRI); - - // if there is already an store in the packet, no can do new value store - // Arch Spec 3.4.4.2. - for (std::vector<MachineInstr*>::iterator VI = CurrentPacketMIs.begin(), - VE = CurrentPacketMIs.end(); - (VI != VE); ++VI) { - SUnit* PacketSU = MIToSUnit[*VI]; - if (PacketSU->getInstr()->getDesc().mayStore() || - // if we have mayStore = 1 set on ALLOCFRAME and DEALLOCFRAME, - // then we don't need this - PacketSU->getInstr()->getOpcode() == Hexagon::ALLOCFRAME || - PacketSU->getInstr()->getOpcode() == Hexagon::DEALLOCFRAME) - return false; - } - - if (PacketRC == Hexagon::DoubleRegsRegisterClass) { - // new value store constraint: double regs can not feed into new value store - // arch spec section: 5.4.2.2 - return false; - } - - // Make sure it's NOT the post increment register that we are going to - // new value. - if (QII->isPostIncrement(MI) && - MI->getDesc().mayStore() && - GetPostIncrementOperand(MI, QII).getReg() == DepReg) { - return false; - } - - if (QII->isPostIncrement(PacketMI) && - PacketMI->getDesc().mayLoad() && - GetPostIncrementOperand(PacketMI, QII).getReg() == DepReg) { - // if source is post_inc, or absolute-set addressing, - // it can not feed into new value store - // r3 = memw(r2++#4) - // memw(r30 + #-1404) = r2.new -> can not be new value store - // arch spec section: 5.4.2.1 - return false; - } - - // If the source that feeds the store is predicated, new value store must also be - // also predicated. - if (QII->isPredicated(PacketMI)) { - if (!QII->isPredicated(MI)) - return false; - - // Check to make sure that they both will have their predicates - // evaluate identically - unsigned predRegNumSrc; - unsigned predRegNumDst; - const TargetRegisterClass* predRegClass; - - // Get predicate register used in the source instruction - for(unsigned opNum = 0; opNum < PacketMI->getNumOperands(); opNum++) { - if ( PacketMI->getOperand(opNum).isReg()) - predRegNumSrc = PacketMI->getOperand(opNum).getReg(); - predRegClass = QRI->getMinimalPhysRegClass(predRegNumSrc); - if (predRegClass == Hexagon::PredRegsRegisterClass) { - break; - } - } - assert ((predRegClass == Hexagon::PredRegsRegisterClass ) && - ("predicate register not found in a predicated PacketMI instruction")); - - // Get predicate register used in new-value store instruction - for(unsigned opNum = 0; opNum < MI->getNumOperands(); opNum++) { - if ( MI->getOperand(opNum).isReg()) - predRegNumDst = MI->getOperand(opNum).getReg(); - predRegClass = QRI->getMinimalPhysRegClass(predRegNumDst); - if (predRegClass == Hexagon::PredRegsRegisterClass) { - break; - } - } - assert ((predRegClass == Hexagon::PredRegsRegisterClass ) && - ("predicate register not found in a predicated MI instruction")); - - // New-value register producer and user (store) need to satisfy these - // constraints: - // 1) Both instructions should be predicated on the same register. - // 2) If producer of the new-value register is .new predicated then store - // should also be .new predicated and if producer is not .new predicated - // then store should not be .new predicated. - // 3) Both new-value register producer and user should have same predicate - // sense, i.e, either both should be negated or both should be none negated. - - if (( predRegNumDst != predRegNumSrc) || - isDotNewInst(PacketMI) != isDotNewInst(MI) || - GetPredicateSense(MI, QII) != GetPredicateSense(PacketMI, QII)) { - return false; - } - } - - // Make sure that other than the new-value register no other store instruction - // register has been modified in the same packet. Predicate registers can be - // modified by they should not be modified between the producer and the store - // instruction as it will make them both conditional on different values. - // We already know this to be true for all the instructions before and - // including PacketMI. Howerver, we need to perform the check for the - // remaining instructions in the packet. - - std::vector<MachineInstr*>::iterator VI; - std::vector<MachineInstr*>::iterator VE; - unsigned StartCheck = 0; - - for (VI=CurrentPacketMIs.begin(), VE = CurrentPacketMIs.end(); - (VI != VE); ++VI) { - SUnit* TempSU = MIToSUnit[*VI]; - MachineInstr* TempMI = TempSU->getInstr(); - - // Following condition is true for all the instructions until PacketMI is - // reached (StartCheck is set to 0 before the for loop). - // StartCheck flag is 1 for all the instructions after PacketMI. - if (TempMI != PacketMI && !StartCheck) // start processing only after - continue; // encountering PacketMI - - StartCheck = 1; - if (TempMI == PacketMI) // We don't want to check PacketMI for dependence - continue; - - for(unsigned opNum = 0; opNum < MI->getNumOperands(); opNum++) { - if (MI->getOperand(opNum).isReg() && - TempSU->getInstr()->modifiesRegister(MI->getOperand(opNum).getReg(), QRI)) - return false; - } - } - - // Make sure that for non POST_INC stores: - // 1. The only use of reg is DepReg and no other registers. - // This handles V4 base+index registers. - // The following store can not be dot new. - // Eg. r0 = add(r0, #3)a - // memw(r1+r0<<#2) = r0 - if (!QII->isPostIncrement(MI) && - GetStoreValueOperand(MI).isReg() && - GetStoreValueOperand(MI).getReg() == DepReg) { - for(unsigned opNum = 0; opNum < MI->getNumOperands()-1; opNum++) { - if (MI->getOperand(opNum).isReg() && - MI->getOperand(opNum).getReg() == DepReg) { - return false; - } - } - // 2. If data definition is because of implicit definition of the register, - // do not newify the store. Eg. - // %R9<def> = ZXTH %R12, %D6<imp-use>, %R12<imp-def> - // STrih_indexed %R8, 2, %R12<kill>; mem:ST2[%scevgep343] - for(unsigned opNum = 0; opNum < PacketMI->getNumOperands(); opNum++) { - if (PacketMI->getOperand(opNum).isReg() && - PacketMI->getOperand(opNum).getReg() == DepReg && - PacketMI->getOperand(opNum).isDef() && - PacketMI->getOperand(opNum).isImplicit()) { - return false; - } - } - } - - // Can be dot new store. - return true; -} - -// can this MI to promoted to either -// new value store or new value jump -bool HexagonPacketizerList::CanPromoteToNewValue( MachineInstr *MI, - SUnit *PacketSU, unsigned DepReg, - std::map <MachineInstr*, SUnit*> MIToSUnit, - MachineBasicBlock::iterator &MII) -{ - - const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); - if (!QRI->Subtarget.hasV4TOps() || - !IsNewifyStore(MI)) - return false; - - MachineInstr *PacketMI = PacketSU->getInstr(); - - // Check to see the store can be new value'ed. - if (CanPromoteToNewValueStore(MI, PacketMI, DepReg, MIToSUnit)) - return true; - - // Check to see the compare/jump can be new value'ed. - // This is done as a pass on its own. Don't need to check it here. - return false; -} - -// Check to see if an instruction can be dot new -// There are three kinds. -// 1. dot new on predicate - V2/V3/V4 -// 2. dot new on stores NV/ST - V4 -// 3. dot new on jump NV/J - V4 -- This is generated in a pass. -bool HexagonPacketizerList::CanPromoteToDotNew( MachineInstr *MI, - SUnit *PacketSU, unsigned DepReg, - std::map <MachineInstr*, SUnit*> MIToSUnit, - MachineBasicBlock::iterator &MII, - const TargetRegisterClass* RC ) -{ - // already a dot new instruction - if (isDotNewInst(MI) && !IsNewifyStore(MI)) - return false; - - if (!isNewifiable(MI)) - return false; - - // predicate .new - if (RC == Hexagon::PredRegsRegisterClass && isCondInst(MI)) - return true; - else if (RC != Hexagon::PredRegsRegisterClass && - !IsNewifyStore(MI)) // MI is not a new-value store - return false; - else { - // Create a dot new machine instruction to see if resources can be - // allocated. If not, bail out now. - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - int NewOpcode = GetDotNewOp(MI->getOpcode()); - const MCInstrDesc &desc = QII->get(NewOpcode); - DebugLoc dl; - MachineInstr *NewMI = MI->getParent()->getParent()->CreateMachineInstr(desc, dl); - bool ResourcesAvailable = ResourceTracker->canReserveResources(NewMI); - MI->getParent()->getParent()->DeleteMachineInstr(NewMI); - - if (!ResourcesAvailable) - return false; - - // new value store only - // new new value jump generated as a passes - if (!CanPromoteToNewValue(MI, PacketSU, DepReg, MIToSUnit, MII)) { - return false; - } - } - return true; -} - -// Go through the packet instructions and search for anti dependency -// between them and DepReg from MI -// Consider this case: -// Trying to add -// a) %R1<def> = TFRI_cdNotPt %P3, 2 -// to this packet: -// { -// b) %P0<def> = OR_pp %P3<kill>, %P0<kill> -// c) %P3<def> = TFR_PdRs %R23 -// d) %R1<def> = TFRI_cdnPt %P3, 4 -// } -// The P3 from a) and d) will be complements after -// a)'s P3 is converted to .new form -// Anti Dep between c) and b) is irrelevant for this case -bool HexagonPacketizerList::RestrictingDepExistInPacket (MachineInstr* MI, - unsigned DepReg, - std::map <MachineInstr*, SUnit*> MIToSUnit) { - - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - SUnit* PacketSUDep = MIToSUnit[MI]; - - for (std::vector<MachineInstr*>::iterator VIN = CurrentPacketMIs.begin(), - VEN = CurrentPacketMIs.end(); (VIN != VEN); ++VIN) { - - // We only care for dependencies to predicated instructions - if(!QII->isPredicated(*VIN)) continue; - - // Scheduling Unit for current insn in the packet - SUnit* PacketSU = MIToSUnit[*VIN]; - - // Look at dependencies between current members of the packet - // and predicate defining instruction MI. - // Make sure that dependency is on the exact register - // we care about. - if (PacketSU->isSucc(PacketSUDep)) { - for (unsigned i = 0; i < PacketSU->Succs.size(); ++i) { - if ((PacketSU->Succs[i].getSUnit() == PacketSUDep) && - (PacketSU->Succs[i].getKind() == SDep::Anti) && - (PacketSU->Succs[i].getReg() == DepReg)) { - return true; - } - } - } - } - - return false; -} - - -// Given two predicated instructions, this function detects whether -// the predicates are complements -bool HexagonPacketizerList::ArePredicatesComplements (MachineInstr* MI1, - MachineInstr* MI2, std::map <MachineInstr*, SUnit*> MIToSUnit) { - - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - // Currently can only reason about conditional transfers - if (!QII->isConditionalTransfer(MI1) || !QII->isConditionalTransfer(MI2)) { - return false; - } - - // Scheduling unit for candidate - SUnit* SU = MIToSUnit[MI1]; - - // One corner case deals with the following scenario: - // Trying to add - // a) %R24<def> = TFR_cPt %P0, %R25 - // to this packet: - // - // { - // b) %R25<def> = TFR_cNotPt %P0, %R24 - // c) %P0<def> = CMPEQri %R26, 1 - // } - // - // On general check a) and b) are complements, but - // presence of c) will convert a) to .new form, and - // then it is not a complement - // We attempt to detect it by analyzing existing - // dependencies in the packet - - // Analyze relationships between all existing members of the packet. - // Look for Anti dependecy on the same predicate reg - // as used in the candidate - for (std::vector<MachineInstr*>::iterator VIN = CurrentPacketMIs.begin(), - VEN = CurrentPacketMIs.end(); (VIN != VEN); ++VIN) { - - // Scheduling Unit for current insn in the packet - SUnit* PacketSU = MIToSUnit[*VIN]; - - // If this instruction in the packet is succeeded by the candidate... - if (PacketSU->isSucc(SU)) { - for (unsigned i = 0; i < PacketSU->Succs.size(); ++i) { - // The corner case exist when there is true data - // dependency between candidate and one of current - // packet members, this dep is on predicate reg, and - // there already exist anti dep on the same pred in - // the packet. - if (PacketSU->Succs[i].getSUnit() == SU && - Hexagon::PredRegsRegisterClass->contains( - PacketSU->Succs[i].getReg()) && - PacketSU->Succs[i].getKind() == SDep::Data && - // Here I know that *VIN is predicate setting instruction - // with true data dep to candidate on the register - // we care about - c) in the above example. - // Now I need to see if there is an anti dependency - // from c) to any other instruction in the - // same packet on the pred reg of interest - RestrictingDepExistInPacket(*VIN,PacketSU->Succs[i].getReg(), - MIToSUnit)) { - return false; - } - } - } - } - - // If the above case does not apply, check regular - // complement condition. - // Check that the predicate register is the same and - // that the predicate sense is different - // We also need to differentiate .old vs. .new: - // !p0 is not complimentary to p0.new - return ((MI1->getOperand(1).getReg() == MI2->getOperand(1).getReg()) && - (GetPredicateSense(MI1, QII) != GetPredicateSense(MI2, QII)) && - (isDotNewInst(MI1) == isDotNewInst(MI2))); -} - -// initPacketizerState - Initialize packetizer flags -void HexagonPacketizerList::initPacketizerState() { - - Dependence = false; - PromotedToDotNew = false; - GlueToNewValueJump = false; - GlueAllocframeStore = false; - FoundSequentialDependence = false; - - return; -} - -// ignorePseudoInstruction - Ignore bundling of pseudo instructions. -bool HexagonPacketizerList::ignorePseudoInstruction(MachineInstr *MI, - MachineBasicBlock *MBB) { - if (MI->isDebugValue()) - return true; - - // We must print out inline assembly - if (MI->isInlineAsm()) - return false; - - // We check if MI has any functional units mapped to it. - // If it doesn't, we ignore the instruction. - const MCInstrDesc& TID = MI->getDesc(); - unsigned SchedClass = TID.getSchedClass(); - const InstrStage* IS = ResourceTracker->getInstrItins()->beginStage(SchedClass); - unsigned FuncUnits = IS->getUnits(); - return !FuncUnits; -} - -// isSoloInstruction: - Returns true for instructions that must be -// scheduled in their own packet. -bool HexagonPacketizerList::isSoloInstruction(MachineInstr *MI) { - - if (MI->isInlineAsm()) - return true; - - if (MI->isEHLabel()) - return true; - - // From Hexagon V4 Programmer's Reference Manual 3.4.4 Grouping constraints: - // trap, pause, barrier, icinva, isync, and syncht are solo instructions. - // They must not be grouped with other instructions in a packet. - if (IsSchedBarrier(MI)) - return true; - - return false; -} - -// isLegalToPacketizeTogether: -// SUI is the current instruction that is out side of the current packet. -// SUJ is the current instruction inside the current packet against which that -// SUI will be packetized. -bool HexagonPacketizerList::isLegalToPacketizeTogether(SUnit *SUI, SUnit *SUJ) { - MachineInstr *I = SUI->getInstr(); - MachineInstr *J = SUJ->getInstr(); - assert(I && J && "Unable to packetize null instruction!"); - - const MCInstrDesc &MCIDI = I->getDesc(); - const MCInstrDesc &MCIDJ = J->getDesc(); - - MachineBasicBlock::iterator II = I; - - const unsigned FrameSize = MF.getFrameInfo()->getStackSize(); - const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - - // Inline asm cannot go in the packet. - if (I->getOpcode() == Hexagon::INLINEASM) - llvm_unreachable("Should not meet inline asm here!"); - - if (isSoloInstruction(I)) - llvm_unreachable("Should not meet solo instr here!"); - - // A save callee-save register function call can only be in a packet - // with instructions that don't write to the callee-save registers. - if ((QII->isSaveCalleeSavedRegsCall(I) && - DoesModifyCalleeSavedReg(J, QRI)) || - (QII->isSaveCalleeSavedRegsCall(J) && - DoesModifyCalleeSavedReg(I, QRI))) { - Dependence = true; - return false; - } - - // Two control flow instructions cannot go in the same packet. - if (IsControlFlow(I) && IsControlFlow(J)) { - Dependence = true; - return false; - } - - // A LoopN instruction cannot appear in the same packet as a jump or call. - if (IsLoopN(I) && ( IsDirectJump(J) - || MCIDJ.isCall() - || QII->isDeallocRet(J))) { - Dependence = true; - return false; - } - if (IsLoopN(J) && ( IsDirectJump(I) - || MCIDI.isCall() - || QII->isDeallocRet(I))) { - Dependence = true; - return false; - } - - // dealloc_return cannot appear in the same packet as a conditional or - // unconditional jump. - if (QII->isDeallocRet(I) && ( MCIDJ.isBranch() - || MCIDJ.isCall() - || MCIDJ.isBarrier())) { - Dependence = true; - return false; - } - - - // V4 allows dual store. But does not allow second store, if the - // first store is not in SLOT0. New value store, new value jump, - // dealloc_return and memop always take SLOT0. - // Arch spec 3.4.4.2 - if (QRI->Subtarget.hasV4TOps()) { - - if (MCIDI.mayStore() && MCIDJ.mayStore() && isNewValueInst(J)) { - Dependence = true; - return false; - } - - if ( (QII->isMemOp(J) && MCIDI.mayStore()) - || (MCIDJ.mayStore() && QII->isMemOp(I)) - || (QII->isMemOp(J) && QII->isMemOp(I))) { - Dependence = true; - return false; - } - - //if dealloc_return - if (MCIDJ.mayStore() && QII->isDeallocRet(I)){ - Dependence = true; - return false; - } - - // If an instruction feeds new value jump, glue it. - MachineBasicBlock::iterator NextMII = I; - ++NextMII; - MachineInstr *NextMI = NextMII; - - if (QII->isNewValueJump(NextMI)) { - - bool secondRegMatch = false; - bool maintainNewValueJump = false; - - if (NextMI->getOperand(1).isReg() && - I->getOperand(0).getReg() == NextMI->getOperand(1).getReg()) { - secondRegMatch = true; - maintainNewValueJump = true; - } - - if (!secondRegMatch && - I->getOperand(0).getReg() == NextMI->getOperand(0).getReg()) { - maintainNewValueJump = true; - } - - for (std::vector<MachineInstr*>::iterator - VI = CurrentPacketMIs.begin(), - VE = CurrentPacketMIs.end(); - (VI != VE && maintainNewValueJump); ++VI) { - SUnit* PacketSU = MIToSUnit[*VI]; - - // NVJ can not be part of the dual jump - Arch Spec: section 7.8 - if (PacketSU->getInstr()->getDesc().isCall()) { - Dependence = true; - break; - } - // Validate - // 1. Packet does not have a store in it. - // 2. If the first operand of the nvj is newified, and the second - // operand is also a reg, it (second reg) is not defined in - // the same packet. - // 3. If the second operand of the nvj is newified, (which means - // first operand is also a reg), first reg is not defined in - // the same packet. - if (PacketSU->getInstr()->getDesc().mayStore() || - PacketSU->getInstr()->getOpcode() == Hexagon::ALLOCFRAME || - // Check #2. - (!secondRegMatch && NextMI->getOperand(1).isReg() && - PacketSU->getInstr()->modifiesRegister( - NextMI->getOperand(1).getReg(), QRI)) || - // Check #3. - (secondRegMatch && - PacketSU->getInstr()->modifiesRegister( - NextMI->getOperand(0).getReg(), QRI))) { - Dependence = true; - break; - } - } - if (!Dependence) - GlueToNewValueJump = true; - else - return false; - } - } - - if (SUJ->isSucc(SUI)) { - for (unsigned i = 0; - (i < SUJ->Succs.size()) && !FoundSequentialDependence; - ++i) { - - if (SUJ->Succs[i].getSUnit() != SUI) { - continue; - } - - SDep::Kind DepType = SUJ->Succs[i].getKind(); - - // For direct calls: - // Ignore register dependences for call instructions for - // packetization purposes except for those due to r31 and - // predicate registers. - // - // For indirect calls: - // Same as direct calls + check for true dependences to the register - // used in the indirect call. - // - // We completely ignore Order dependences for call instructions - // - // For returns: - // Ignore register dependences for return instructions like jumpr, - // dealloc return unless we have dependencies on the explicit uses - // of the registers used by jumpr (like r31) or dealloc return - // (like r29 or r30). - // - // TODO: Currently, jumpr is handling only return of r31. So, the - // following logic (specificaly IsCallDependent) is working fine. - // We need to enable jumpr for register other than r31 and then, - // we need to rework the last part, where it handles indirect call - // of that (IsCallDependent) function. Bug 6216 is opened for this. - // - unsigned DepReg; - const TargetRegisterClass* RC; - if (DepType == SDep::Data) { - DepReg = SUJ->Succs[i].getReg(); - RC = QRI->getMinimalPhysRegClass(DepReg); - } - if ((MCIDI.isCall() || MCIDI.isReturn()) && - (!IsRegDependence(DepType) || - !IsCallDependent(I, DepType, SUJ->Succs[i].getReg()))) { - /* do nothing */ - } - - // For instructions that can be promoted to dot-new, try to promote. - else if ((DepType == SDep::Data) && - CanPromoteToDotNew(I, SUJ, DepReg, MIToSUnit, II, RC) && - PromoteToDotNew(I, DepType, II, RC)) { - PromotedToDotNew = true; - /* do nothing */ - } - - else if ((DepType == SDep::Data) && - (QII->isNewValueJump(I))) { - /* do nothing */ - } - - // For predicated instructions, if the predicates are complements - // then there can be no dependence. - else if (QII->isPredicated(I) && - QII->isPredicated(J) && - ArePredicatesComplements(I, J, MIToSUnit)) { - /* do nothing */ - - } - else if (IsDirectJump(I) && - !MCIDJ.isBranch() && - !MCIDJ.isCall() && - (DepType == SDep::Order)) { - // Ignore Order dependences between unconditional direct branches - // and non-control-flow instructions - /* do nothing */ - } - else if (MCIDI.isConditionalBranch() && (DepType != SDep::Data) && - (DepType != SDep::Output)) { - // Ignore all dependences for jumps except for true and output - // dependences - /* do nothing */ - } - - // Ignore output dependences due to superregs. We can - // write to two different subregisters of R1:0 for instance - // in the same cycle - // - - // - // Let the - // If neither I nor J defines DepReg, then this is a - // superfluous output dependence. The dependence must be of the - // form: - // R0 = ... - // R1 = ... - // and there is an output dependence between the two instructions - // with - // DepReg = D0 - // We want to ignore these dependences. - // Ideally, the dependence constructor should annotate such - // dependences. We can then avoid this relatively expensive check. - // - else if (DepType == SDep::Output) { - // DepReg is the register that's responsible for the dependence. - unsigned DepReg = SUJ->Succs[i].getReg(); - - // Check if I and J really defines DepReg. - if (I->definesRegister(DepReg) || - J->definesRegister(DepReg)) { - FoundSequentialDependence = true; - break; - } - } - - // We ignore Order dependences for - // 1. Two loads unless they are volatile. - // 2. Two stores in V4 unless they are volatile. - else if ((DepType == SDep::Order) && - !I->hasVolatileMemoryRef() && - !J->hasVolatileMemoryRef()) { - if (QRI->Subtarget.hasV4TOps() && - // hexagonv4 allows dual store. - MCIDI.mayStore() && MCIDJ.mayStore()) { - /* do nothing */ - } - // store followed by store-- not OK on V2 - // store followed by load -- not OK on all (OK if addresses - // are not aliased) - // load followed by store -- OK on all - // load followed by load -- OK on all - else if ( !MCIDJ.mayStore()) { - /* do nothing */ - } - else { - FoundSequentialDependence = true; - break; - } - } - - // For V4, special case ALLOCFRAME. Even though there is dependency - // between ALLOCAFRAME and subsequent store, allow it to be - // packetized in a same packet. This implies that the store is using - // caller's SP. Hense, offset needs to be updated accordingly. - else if (DepType == SDep::Data - && QRI->Subtarget.hasV4TOps() - && J->getOpcode() == Hexagon::ALLOCFRAME - && (I->getOpcode() == Hexagon::STrid - || I->getOpcode() == Hexagon::STriw - || I->getOpcode() == Hexagon::STrib) - && I->getOperand(0).getReg() == QRI->getStackRegister() - && QII->isValidOffset(I->getOpcode(), - I->getOperand(1).getImm() - - (FrameSize + HEXAGON_LRFP_SIZE))) - { - GlueAllocframeStore = true; - // Since this store is to be glued with allocframe in the same - // packet, it will use SP of the previous stack frame, i.e - // caller's SP. Therefore, we need to recalculate offset according - // to this change. - I->getOperand(1).setImm(I->getOperand(1).getImm() - - (FrameSize + HEXAGON_LRFP_SIZE)); - } - - // - // Skip over anti-dependences. Two instructions that are - // anti-dependent can share a packet - // - else if (DepType != SDep::Anti) { - FoundSequentialDependence = true; - break; - } - } - - if (FoundSequentialDependence) { - Dependence = true; - return false; - } - } - - return true; -} - -// isLegalToPruneDependencies -bool HexagonPacketizerList::isLegalToPruneDependencies(SUnit *SUI, SUnit *SUJ) { - MachineInstr *I = SUI->getInstr(); - assert(I && SUJ->getInstr() && "Unable to packetize null instruction!"); - - const unsigned FrameSize = MF.getFrameInfo()->getStackSize(); - - if (Dependence) { - - // Check if the instruction was promoted to a dot-new. If so, demote it - // back into a dot-old. - if (PromotedToDotNew) { - DemoteToDotOld(I); - } - - // Check if the instruction (must be a store) was glued with an Allocframe - // instruction. If so, restore its offset to its original value, i.e. use - // curent SP instead of caller's SP. - if (GlueAllocframeStore) { - I->getOperand(1).setImm(I->getOperand(1).getImm() + - FrameSize + HEXAGON_LRFP_SIZE); - } - - return false; - } - return true; -} - -MachineBasicBlock::iterator HexagonPacketizerList::addToPacket(MachineInstr *MI) { - - MachineBasicBlock::iterator MII = MI; - MachineBasicBlock *MBB = MI->getParent(); - - const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - - if (GlueToNewValueJump) { - - ++MII; - MachineInstr *nvjMI = MII; - assert(ResourceTracker->canReserveResources(MI)); - ResourceTracker->reserveResources(MI); - if (QII->isExtended(MI) && - !tryAllocateResourcesForConstExt(MI)) { - endPacket(MBB, MI); - ResourceTracker->reserveResources(MI); - assert(canReserveResourcesForConstExt(MI) && - "Ensure that there is a slot"); - reserveResourcesForConstExt(MI); - // Reserve resources for new value jump constant extender. - assert(canReserveResourcesForConstExt(MI) && - "Ensure that there is a slot"); - reserveResourcesForConstExt(nvjMI); - assert(ResourceTracker->canReserveResources(nvjMI) && - "Ensure that there is a slot"); - - } else if ( // Extended instruction takes two slots in the packet. - // Try reserve and allocate 4-byte in the current packet first. - (QII->isExtended(nvjMI) - && (!tryAllocateResourcesForConstExt(nvjMI) - || !ResourceTracker->canReserveResources(nvjMI))) - || // For non-extended instruction, no need to allocate extra 4 bytes. - (!QII->isExtended(nvjMI) && !ResourceTracker->canReserveResources(nvjMI))) - { - endPacket(MBB, MI); - // A new and empty packet starts. - // We are sure that the resources requirements can be satisfied. - // Therefore, do not need to call "canReserveResources" anymore. - ResourceTracker->reserveResources(MI); - if (QII->isExtended(nvjMI)) - reserveResourcesForConstExt(nvjMI); - } - // Here, we are sure that "reserveResources" would succeed. - ResourceTracker->reserveResources(nvjMI); - CurrentPacketMIs.push_back(MI); - CurrentPacketMIs.push_back(nvjMI); - } else { - if ( QII->isExtended(MI) - && ( !tryAllocateResourcesForConstExt(MI) - || !ResourceTracker->canReserveResources(MI))) - { - endPacket(MBB, MI); - // Check if the instruction was promoted to a dot-new. If so, demote it - // back into a dot-old - if (PromotedToDotNew) { - DemoteToDotOld(MI); - } - reserveResourcesForConstExt(MI); - } - // In case that "MI" is not an extended insn, - // the resource availability has already been checked. - ResourceTracker->reserveResources(MI); - CurrentPacketMIs.push_back(MI); - } - return MII; -} - -//===----------------------------------------------------------------------===// -// Public Constructor Functions -//===----------------------------------------------------------------------===// - -FunctionPass *llvm::createHexagonPacketizer() { - return new HexagonPacketizer(); -} - |
