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//===--- Sparc.cpp - Tools Implementations ----------------------*- C++ -*-===//
//
// 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 "Sparc.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"
#include "llvm/Support/Host.h"
using namespace clang::driver;
using namespace clang::driver::tools;
using namespace clang;
using namespace llvm::opt;
const char *sparc::getSparcAsmModeForCPU(StringRef Name,
const llvm::Triple &Triple) {
if (Triple.getArch() == llvm::Triple::sparcv9) {
const char *DefV9CPU;
if (Triple.isOSLinux() || Triple.isOSFreeBSD() || Triple.isOSOpenBSD())
DefV9CPU = "-Av9a";
else
DefV9CPU = "-Av9";
return llvm::StringSwitch<const char *>(Name)
.Case("niagara", "-Av9b")
.Case("niagara2", "-Av9b")
.Case("niagara3", "-Av9d")
.Case("niagara4", "-Av9d")
.Default(DefV9CPU);
} else {
return llvm::StringSwitch<const char *>(Name)
.Case("v8", "-Av8")
.Case("supersparc", "-Av8")
.Case("sparclite", "-Asparclite")
.Case("f934", "-Asparclite")
.Case("hypersparc", "-Av8")
.Case("sparclite86x", "-Asparclite")
.Case("sparclet", "-Asparclet")
.Case("tsc701", "-Asparclet")
.Case("v9", "-Av8plus")
.Case("ultrasparc", "-Av8plus")
.Case("ultrasparc3", "-Av8plus")
.Case("niagara", "-Av8plusb")
.Case("niagara2", "-Av8plusb")
.Case("niagara3", "-Av8plusd")
.Case("niagara4", "-Av8plusd")
.Case("ma2100", "-Aleon")
.Case("ma2150", "-Aleon")
.Case("ma2155", "-Aleon")
.Case("ma2450", "-Aleon")
.Case("ma2455", "-Aleon")
.Case("ma2x5x", "-Aleon")
.Case("ma2080", "-Aleon")
.Case("ma2085", "-Aleon")
.Case("ma2480", "-Aleon")
.Case("ma2485", "-Aleon")
.Case("ma2x8x", "-Aleon")
.Case("myriad2", "-Aleon")
.Case("myriad2.1", "-Aleon")
.Case("myriad2.2", "-Aleon")
.Case("myriad2.3", "-Aleon")
.Case("leon2", "-Av8")
.Case("at697e", "-Av8")
.Case("at697f", "-Av8")
.Case("leon3", "-Aleon")
.Case("ut699", "-Av8")
.Case("gr712rc", "-Aleon")
.Case("leon4", "-Aleon")
.Case("gr740", "-Aleon")
.Default("-Av8");
}
}
sparc::FloatABI sparc::getSparcFloatABI(const Driver &D,
const ArgList &Args) {
sparc::FloatABI ABI = sparc::FloatABI::Invalid;
if (Arg *A = Args.getLastArg(clang::driver::options::OPT_msoft_float,
options::OPT_mhard_float,
options::OPT_mfloat_abi_EQ)) {
if (A->getOption().matches(clang::driver::options::OPT_msoft_float))
ABI = sparc::FloatABI::Soft;
else if (A->getOption().matches(options::OPT_mhard_float))
ABI = sparc::FloatABI::Hard;
else {
ABI = llvm::StringSwitch<sparc::FloatABI>(A->getValue())
.Case("soft", sparc::FloatABI::Soft)
.Case("hard", sparc::FloatABI::Hard)
.Default(sparc::FloatABI::Invalid);
if (ABI == sparc::FloatABI::Invalid &&
!StringRef(A->getValue()).empty()) {
D.Diag(clang::diag::err_drv_invalid_mfloat_abi) << A->getAsString(Args);
ABI = sparc::FloatABI::Hard;
}
}
}
// If unspecified, choose the default based on the platform.
// Only the hard-float ABI on Sparc is standardized, and it is the
// default. GCC also supports a nonstandard soft-float ABI mode, also
// implemented in LLVM. However as this is not standard we set the default
// to be hard-float.
if (ABI == sparc::FloatABI::Invalid) {
ABI = sparc::FloatABI::Hard;
}
return ABI;
}
std::string sparc::getSparcTargetCPU(const Driver &D, const ArgList &Args,
const llvm::Triple &Triple) {
if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_march_EQ)) {
D.Diag(diag::err_drv_unsupported_opt_for_target)
<< A->getSpelling() << Triple.getTriple();
return "";
}
if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_mcpu_EQ)) {
StringRef CPUName = A->getValue();
if (CPUName == "native") {
std::string CPU = std::string(llvm::sys::getHostCPUName());
if (!CPU.empty() && CPU != "generic")
return CPU;
return "";
}
return std::string(CPUName);
}
if (Triple.getArch() == llvm::Triple::sparc && Triple.isOSSolaris())
return "v9";
return "";
}
void sparc::getSparcTargetFeatures(const Driver &D, const ArgList &Args,
std::vector<StringRef> &Features) {
sparc::FloatABI FloatABI = sparc::getSparcFloatABI(D, Args);
if (FloatABI == sparc::FloatABI::Soft)
Features.push_back("+soft-float");
}
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