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