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101 lines
3.6 KiB
C++
101 lines
3.6 KiB
C++
//===--- Sparc.cpp - Tools Implementations ----------------------*- 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 "Sparc.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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const char *sparc::getSparcAsmModeForCPU(StringRef Name,
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const llvm::Triple &Triple) {
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if (Triple.getArch() == llvm::Triple::sparcv9) {
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return llvm::StringSwitch<const char *>(Name)
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.Case("niagara", "-Av9b")
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.Case("niagara2", "-Av9b")
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.Case("niagara3", "-Av9d")
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.Case("niagara4", "-Av9d")
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.Default("-Av9");
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} else {
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return llvm::StringSwitch<const char *>(Name)
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.Case("v8", "-Av8")
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.Case("supersparc", "-Av8")
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.Case("sparclite", "-Asparclite")
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.Case("f934", "-Asparclite")
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.Case("hypersparc", "-Av8")
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.Case("sparclite86x", "-Asparclite")
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.Case("sparclet", "-Asparclet")
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.Case("tsc701", "-Asparclet")
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.Case("v9", "-Av8plus")
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.Case("ultrasparc", "-Av8plus")
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.Case("ultrasparc3", "-Av8plus")
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.Case("niagara", "-Av8plusb")
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.Case("niagara2", "-Av8plusb")
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.Case("niagara3", "-Av8plusd")
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.Case("niagara4", "-Av8plusd")
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.Case("leon2", "-Av8")
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.Case("at697e", "-Av8")
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.Case("at697f", "-Av8")
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.Case("leon3", "-Av8")
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.Case("ut699", "-Av8")
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.Case("gr712rc", "-Av8")
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.Case("leon4", "-Av8")
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.Case("gr740", "-Av8")
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.Default("-Av8");
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}
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}
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sparc::FloatABI sparc::getSparcFloatABI(const Driver &D,
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const ArgList &Args) {
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sparc::FloatABI ABI = sparc::FloatABI::Invalid;
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if (Arg *A = Args.getLastArg(clang::driver::options::OPT_msoft_float,
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options::OPT_mhard_float,
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options::OPT_mfloat_abi_EQ)) {
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if (A->getOption().matches(clang::driver::options::OPT_msoft_float))
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ABI = sparc::FloatABI::Soft;
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else if (A->getOption().matches(options::OPT_mhard_float))
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ABI = sparc::FloatABI::Hard;
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else {
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ABI = llvm::StringSwitch<sparc::FloatABI>(A->getValue())
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.Case("soft", sparc::FloatABI::Soft)
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.Case("hard", sparc::FloatABI::Hard)
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.Default(sparc::FloatABI::Invalid);
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if (ABI == sparc::FloatABI::Invalid &&
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!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 = sparc::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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// Only the hard-float ABI on Sparc is standardized, and it is the
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// default. GCC also supports a nonstandard soft-float ABI mode, also
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// implemented in LLVM. However as this is not standard we set the default
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// to be hard-float.
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if (ABI == sparc::FloatABI::Invalid) {
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ABI = sparc::FloatABI::Hard;
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}
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return ABI;
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}
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void sparc::getSparcTargetFeatures(const Driver &D, const ArgList &Args,
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std::vector<StringRef> &Features) {
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sparc::FloatABI FloatABI = sparc::getSparcFloatABI(D, Args);
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if (FloatABI == sparc::FloatABI::Soft)
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Features.push_back("+soft-float");
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}
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