144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
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//===--- PPC.cpp - PPC Helpers for Tools ------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "PPC.h"
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#include "ToolChains/CommonArgs.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Options.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Option/ArgList.h"
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using namespace clang::driver;
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using namespace clang::driver::tools;
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using namespace clang;
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using namespace llvm::opt;
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/// getPPCTargetCPU - Get the (LLVM) name of the PowerPC cpu we are targeting.
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std::string ppc::getPPCTargetCPU(const ArgList &Args) {
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if (Arg *A = Args.getLastArg(clang::driver::options::OPT_mcpu_EQ)) {
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StringRef CPUName = A->getValue();
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if (CPUName == "native") {
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std::string CPU = llvm::sys::getHostCPUName();
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if (!CPU.empty() && CPU != "generic")
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return CPU;
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else
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return "";
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}
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return llvm::StringSwitch<const char *>(CPUName)
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.Case("common", "generic")
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.Case("440", "440")
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.Case("440fp", "440")
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.Case("450", "450")
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.Case("601", "601")
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.Case("602", "602")
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.Case("603", "603")
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.Case("603e", "603e")
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.Case("603ev", "603ev")
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.Case("604", "604")
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.Case("604e", "604e")
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.Case("620", "620")
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.Case("630", "pwr3")
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.Case("G3", "g3")
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.Case("7400", "7400")
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.Case("G4", "g4")
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.Case("7450", "7450")
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.Case("G4+", "g4+")
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.Case("750", "750")
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.Case("970", "970")
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.Case("G5", "g5")
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.Case("a2", "a2")
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.Case("a2q", "a2q")
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.Case("e500mc", "e500mc")
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.Case("e5500", "e5500")
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.Case("power3", "pwr3")
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.Case("power4", "pwr4")
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.Case("power5", "pwr5")
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.Case("power5x", "pwr5x")
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.Case("power6", "pwr6")
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.Case("power6x", "pwr6x")
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.Case("power7", "pwr7")
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.Case("power8", "pwr8")
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.Case("power9", "pwr9")
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.Case("pwr3", "pwr3")
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.Case("pwr4", "pwr4")
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.Case("pwr5", "pwr5")
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.Case("pwr5x", "pwr5x")
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.Case("pwr6", "pwr6")
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.Case("pwr6x", "pwr6x")
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.Case("pwr7", "pwr7")
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.Case("pwr8", "pwr8")
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.Case("pwr9", "pwr9")
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.Case("powerpc", "ppc")
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.Case("powerpc64", "ppc64")
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.Case("powerpc64le", "ppc64le")
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.Default("");
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}
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return "";
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}
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const char *ppc::getPPCAsmModeForCPU(StringRef Name) {
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return llvm::StringSwitch<const char *>(Name)
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.Case("pwr7", "-mpower7")
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.Case("power7", "-mpower7")
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.Case("pwr8", "-mpower8")
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.Case("power8", "-mpower8")
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.Case("ppc64le", "-mpower8")
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.Case("pwr9", "-mpower9")
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.Case("power9", "-mpower9")
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.Default("-many");
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}
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void ppc::getPPCTargetFeatures(const Driver &D, const llvm::Triple &Triple,
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const ArgList &Args,
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std::vector<StringRef> &Features) {
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handleTargetFeaturesGroup(Args, Features, options::OPT_m_ppc_Features_Group);
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ppc::FloatABI FloatABI = ppc::getPPCFloatABI(D, Args);
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if (FloatABI == ppc::FloatABI::Soft)
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Features.push_back("-hard-float");
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}
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ppc::FloatABI ppc::getPPCFloatABI(const Driver &D, const ArgList &Args) {
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ppc::FloatABI ABI = ppc::FloatABI::Invalid;
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if (Arg *A =
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Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float,
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options::OPT_mfloat_abi_EQ)) {
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if (A->getOption().matches(options::OPT_msoft_float))
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ABI = ppc::FloatABI::Soft;
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else if (A->getOption().matches(options::OPT_mhard_float))
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ABI = ppc::FloatABI::Hard;
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else {
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ABI = llvm::StringSwitch<ppc::FloatABI>(A->getValue())
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.Case("soft", ppc::FloatABI::Soft)
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.Case("hard", ppc::FloatABI::Hard)
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.Default(ppc::FloatABI::Invalid);
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if (ABI == ppc::FloatABI::Invalid && !StringRef(A->getValue()).empty()) {
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D.Diag(clang::diag::err_drv_invalid_mfloat_abi) << A->getAsString(Args);
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ABI = ppc::FloatABI::Hard;
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}
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}
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}
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// If unspecified, choose the default based on the platform.
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if (ABI == ppc::FloatABI::Invalid) {
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ABI = ppc::FloatABI::Hard;
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}
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return ABI;
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}
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bool ppc::hasPPCAbiArg(const ArgList &Args, const char *Value) {
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Arg *A = Args.getLastArg(options::OPT_mabi_EQ);
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return A && (A->getValue() == StringRef(Value));
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}
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