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Current Path: /usr/src/contrib/llvm-project/llvm/lib/Target/SystemZ

usr / src / contrib / llvm-project / llvm / lib / Target / SystemZ /

📁 ..
📁 AsmParser
📁 Disassembler
📁 MCTargetDesc
📄 README.txt(3.94 KB)
📄 SystemZ.h(8.19 KB)
📄 SystemZ.td(2.86 KB)
📄 SystemZAsmPrinter.cpp(23.49 KB)
📄 SystemZAsmPrinter.h(1.88 KB)
📄 SystemZCallingConv.cpp(710 B)
📄 SystemZCallingConv.h(4.89 KB)
📄 SystemZCallingConv.td(6.99 KB)
📄 SystemZConstantPoolValue.cpp(1.78 KB)
📄 SystemZConstantPoolValue.h(1.75 KB)
📄 SystemZCopyPhysRegs.cpp(3.82 KB)
📄 SystemZElimCompare.cpp(26.21 KB)
📄 SystemZFeatures.td(12.3 KB)
📄 SystemZFrameLowering.cpp(29.88 KB)
📄 SystemZFrameLowering.h(3.02 KB)
📄 SystemZHazardRecognizer.cpp(14.75 KB)
📄 SystemZHazardRecognizer.h(5.86 KB)
📄 SystemZISelDAGToDAG.cpp(68.74 KB)
📄 SystemZISelLowering.cpp(321.22 KB)
📄 SystemZISelLowering.h(28.44 KB)
📄 SystemZInstrBuilder.h(1.63 KB)
📄 SystemZInstrDFP.td(9.3 KB)
📄 SystemZInstrFP.td(26.21 KB)
📄 SystemZInstrFormats.td(182.82 KB)
📄 SystemZInstrHFP.td(9.46 KB)
📄 SystemZInstrInfo.cpp(69.75 KB)
📄 SystemZInstrInfo.h(14.6 KB)
📄 SystemZInstrInfo.td(103.17 KB)
📄 SystemZInstrSystem.td(17.18 KB)
📄 SystemZInstrVector.td(84.36 KB)
📄 SystemZLDCleanup.cpp(4.91 KB)
📄 SystemZLongBranch.cpp(16.04 KB)
📄 SystemZMCInstLower.cpp(3.16 KB)
📄 SystemZMCInstLower.h(1.28 KB)
📄 SystemZMachineFunctionInfo.cpp(508 B)
📄 SystemZMachineFunctionInfo.h(3.77 KB)
📄 SystemZMachineScheduler.cpp(8.76 KB)
📄 SystemZMachineScheduler.h(5.05 KB)
📄 SystemZOperands.td(24.89 KB)
📄 SystemZOperators.td(48.97 KB)
📄 SystemZPatterns.td(8.52 KB)
📄 SystemZPostRewrite.cpp(10.33 KB)
📄 SystemZProcessors.td(1.78 KB)
📄 SystemZRegisterInfo.cpp(16.27 KB)
📄 SystemZRegisterInfo.h(3.52 KB)
📄 SystemZRegisterInfo.td(12.04 KB)
📄 SystemZSchedule.td(2.1 KB)
📄 SystemZScheduleZ13.td(72.43 KB)
📄 SystemZScheduleZ14.td(78.06 KB)
📄 SystemZScheduleZ15.td(80.69 KB)
📄 SystemZScheduleZ196.td(55.68 KB)
📄 SystemZScheduleZEC12.td(57.44 KB)
📄 SystemZSelectionDAGInfo.cpp(12.92 KB)
📄 SystemZSelectionDAGInfo.h(3.15 KB)
📄 SystemZShortenInst.cpp(12 KB)
📄 SystemZSubtarget.cpp(3.67 KB)
📄 SystemZSubtarget.h(9.14 KB)
📄 SystemZTDC.cpp(13.52 KB)
📄 SystemZTargetMachine.cpp(11.58 KB)
📄 SystemZTargetMachine.h(2.09 KB)
📄 SystemZTargetTransformInfo.cpp(43.51 KB)
📄 SystemZTargetTransformInfo.h(4.88 KB)
📁 TargetInfo

Editing: SystemZSubtarget.cpp

//===-- SystemZSubtarget.cpp - SystemZ subtarget information --------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "SystemZSubtarget.h"
#include "MCTargetDesc/SystemZMCTargetDesc.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/Target/TargetMachine.h"

using namespace llvm;

#define DEBUG_TYPE "systemz-subtarget"

#define GET_SUBTARGETINFO_TARGET_DESC
#define GET_SUBTARGETINFO_CTOR
#include "SystemZGenSubtargetInfo.inc"

static cl::opt<bool> UseSubRegLiveness(
    "systemz-subreg-liveness",
    cl::desc("Enable subregister liveness tracking for SystemZ (experimental)"),
    cl::Hidden);

// Pin the vtable to this file.
void SystemZSubtarget::anchor() {}

SystemZSubtarget &
SystemZSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) {
  StringRef CPUName = CPU;
  if (CPUName.empty())
    CPUName = "generic";
  // Parse features string.
  ParseSubtargetFeatures(CPUName, FS);

// -msoft-float implies -mno-vx.
  if (HasSoftFloat)
    HasVector = false;

return *this;
}

SystemZSubtarget::SystemZSubtarget(const Triple &TT, const std::string &CPU,
                                   const std::string &FS,
                                   const TargetMachine &TM)
    : SystemZGenSubtargetInfo(TT, CPU, FS), HasDistinctOps(false),
      HasLoadStoreOnCond(false), HasHighWord(false), HasFPExtension(false),
      HasPopulationCount(false), HasMessageSecurityAssist3(false),
      HasMessageSecurityAssist4(false), HasResetReferenceBitsMultiple(false),
      HasFastSerialization(false), HasInterlockedAccess1(false),
      HasMiscellaneousExtensions(false),
      HasExecutionHint(false), HasLoadAndTrap(false),
      HasTransactionalExecution(false), HasProcessorAssist(false),
      HasDFPZonedConversion(false), HasEnhancedDAT2(false),
      HasVector(false), HasLoadStoreOnCond2(false),
      HasLoadAndZeroRightmostByte(false), HasMessageSecurityAssist5(false),
      HasDFPPackedConversion(false),
      HasMiscellaneousExtensions2(false), HasGuardedStorage(false),
      HasMessageSecurityAssist7(false), HasMessageSecurityAssist8(false),
      HasVectorEnhancements1(false), HasVectorPackedDecimal(false),
      HasInsertReferenceBitsMultiple(false),
      HasMiscellaneousExtensions3(false), HasMessageSecurityAssist9(false),
      HasVectorEnhancements2(false), HasVectorPackedDecimalEnhancement(false),
      HasEnhancedSort(false), HasDeflateConversion(false), HasSoftFloat(false),
      TargetTriple(TT), InstrInfo(initializeSubtargetDependencies(CPU, FS)),
      TLInfo(TM, *this), TSInfo(), FrameLowering() {}

bool SystemZSubtarget::enableSubRegLiveness() const {
  return UseSubRegLiveness;
}

bool SystemZSubtarget::isPC32DBLSymbol(const GlobalValue *GV,
                                       CodeModel::Model CM) const {
  // PC32DBL accesses require the low bit to be clear.
  //
  // FIXME: Explicitly check for functions: the datalayout is currently
  // missing information about function pointers.
  const DataLayout &DL = GV->getParent()->getDataLayout();
  if (GV->getPointerAlignment(DL) == 1 && !GV->getValueType()->isFunctionTy())
    return false;

// For the small model, all locally-binding symbols are in range.
  if (CM == CodeModel::Small)
    return TLInfo.getTargetMachine().shouldAssumeDSOLocal(*GV->getParent(), GV);

// For Medium and above, assume that the symbol is not within the 4GB range.
  // Taking the address of locally-defined text would be OK, but that
  // case isn't easy to detect.
  return false;
}

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Editing: SystemZSubtarget.cpp

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