C++ (Cpp) ARMSubtarget::hasDivideInARMMode Examples

Example #1

File: ARMLegalizerInfo.cpp Project: jroelofs/llvm

ARMLegalizerInfo::ARMLegalizerInfo(const ARMSubtarget &ST) {
  using namespace TargetOpcode;

  const LLT p0 = LLT::pointer(0, 32);

  const LLT s1 = LLT::scalar(1);
  const LLT s8 = LLT::scalar(8);
  const LLT s16 = LLT::scalar(16);
  const LLT s32 = LLT::scalar(32);
  const LLT s64 = LLT::scalar(64);

  setAction({G_FRAME_INDEX, p0}, Legal);

  for (unsigned Op : {G_LOAD, G_STORE}) {
    for (auto Ty : {s1, s8, s16, s32, p0})
      setAction({Op, Ty}, Legal);
    setAction({Op, 1, p0}, Legal);
  }

  for (unsigned Op : {G_ADD, G_SUB, G_MUL})
    for (auto Ty : {s1, s8, s16, s32})
      setAction({Op, Ty}, Legal);

  for (unsigned Op : {G_SDIV, G_UDIV}) {
    for (auto Ty : {s8, s16})
      // FIXME: We need WidenScalar here, but in the case of targets with
      // software division we'll also need Libcall afterwards. Treat as Custom
      // until we have better support for chaining legalization actions.
      setAction({Op, Ty}, Custom);
    if (ST.hasDivideInARMMode())
      setAction({Op, s32}, Legal);
    else
      setAction({Op, s32}, Libcall);
  }

  for (unsigned Op : {G_SEXT, G_ZEXT}) {
    setAction({Op, s32}, Legal);
    for (auto Ty : {s1, s8, s16})
      setAction({Op, 1, Ty}, Legal);
  }

  setAction({G_GEP, p0}, Legal);
  setAction({G_GEP, 1, s32}, Legal);

  setAction({G_CONSTANT, s32}, Legal);

  if (!ST.useSoftFloat() && ST.hasVFP2()) {
    setAction({G_FADD, s32}, Legal);
    setAction({G_FADD, s64}, Legal);

    setAction({G_LOAD, s64}, Legal);
    setAction({G_STORE, s64}, Legal);
  } else {
    for (auto Ty : {s32, s64})
      setAction({G_FADD, Ty}, Libcall);
  }

  for (unsigned Op : {G_FREM, G_FPOW})
    for (auto Ty : {s32, s64})
      setAction({Op, Ty}, Libcall);

  computeTables();
}

Example #2

File: ARMLegalizerInfo.cpp Project: filcab/llvm

ARMLegalizerInfo::ARMLegalizerInfo(const ARMSubtarget &ST) {
  using namespace TargetOpcode;

  const LLT p0 = LLT::pointer(0, 32);

  const LLT s1 = LLT::scalar(1);
  const LLT s8 = LLT::scalar(8);
  const LLT s16 = LLT::scalar(16);
  const LLT s32 = LLT::scalar(32);
  const LLT s64 = LLT::scalar(64);

  setAction({G_GLOBAL_VALUE, p0}, Legal);
  setAction({G_FRAME_INDEX, p0}, Legal);

  for (unsigned Op : {G_LOAD, G_STORE}) {
    for (auto Ty : {s1, s8, s16, s32, p0})
      setAction({Op, Ty}, Legal);
    setAction({Op, 1, p0}, Legal);
  }

  for (unsigned Op : {G_ADD, G_SUB, G_MUL, G_AND, G_OR, G_XOR}) {
    for (auto Ty : {s1, s8, s16})
      setAction({Op, Ty}, WidenScalar);
    setAction({Op, s32}, Legal);
  }

  for (unsigned Op : {G_SDIV, G_UDIV}) {
    for (auto Ty : {s8, s16})
      setAction({Op, Ty}, WidenScalar);
    if (ST.hasDivideInARMMode())
      setAction({Op, s32}, Legal);
    else
      setAction({Op, s32}, Libcall);
  }

  for (unsigned Op : {G_SREM, G_UREM}) {
    for (auto Ty : {s8, s16})
      setAction({Op, Ty}, WidenScalar);
    if (ST.hasDivideInARMMode())
      setAction({Op, s32}, Lower);
    else if (AEABI(ST))
      setAction({Op, s32}, Custom);
    else
      setAction({Op, s32}, Libcall);
  }

  for (unsigned Op : {G_SEXT, G_ZEXT}) {
    setAction({Op, s32}, Legal);
    for (auto Ty : {s1, s8, s16})
      setAction({Op, 1, Ty}, Legal);
  }

  for (unsigned Op : {G_ASHR, G_LSHR, G_SHL})
    setAction({Op, s32}, Legal);

  setAction({G_GEP, p0}, Legal);
  setAction({G_GEP, 1, s32}, Legal);

  setAction({G_SELECT, s32}, Legal);
  setAction({G_SELECT, p0}, Legal);
  setAction({G_SELECT, 1, s1}, Legal);

  setAction({G_BRCOND, s1}, Legal);

  setAction({G_CONSTANT, s32}, Legal);
  for (auto Ty : {s1, s8, s16})
    setAction({G_CONSTANT, Ty}, WidenScalar);

  setAction({G_ICMP, s1}, Legal);
  for (auto Ty : {s8, s16})
    setAction({G_ICMP, 1, Ty}, WidenScalar);
  for (auto Ty : {s32, p0})
    setAction({G_ICMP, 1, Ty}, Legal);

  if (!ST.useSoftFloat() && ST.hasVFP2()) {
    setAction({G_FADD, s32}, Legal);
    setAction({G_FADD, s64}, Legal);

    setAction({G_LOAD, s64}, Legal);
    setAction({G_STORE, s64}, Legal);

    setAction({G_FCMP, s1}, Legal);
    setAction({G_FCMP, 1, s32}, Legal);
    setAction({G_FCMP, 1, s64}, Legal);
  } else {
    for (auto Ty : {s32, s64})
      setAction({G_FADD, Ty}, Libcall);

    setAction({G_FCMP, s1}, Legal);
    setAction({G_FCMP, 1, s32}, Custom);
    setAction({G_FCMP, 1, s64}, Custom);

    if (AEABI(ST))
      setFCmpLibcallsAEABI();
    else
      setFCmpLibcallsGNU();
  }

  for (unsigned Op : {G_FREM, G_FPOW})
    for (auto Ty : {s32, s64})
      setAction({Op, Ty}, Libcall);

  computeTables();
}