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Diffstat (limited to 'lib/Driver/ToolChains/Arch/Sparc.cpp')
-rw-r--r-- | lib/Driver/ToolChains/Arch/Sparc.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/lib/Driver/ToolChains/Arch/Sparc.cpp b/lib/Driver/ToolChains/Arch/Sparc.cpp new file mode 100644 index 000000000000..594ec9986d8e --- /dev/null +++ b/lib/Driver/ToolChains/Arch/Sparc.cpp @@ -0,0 +1,100 @@ +//===--- Sparc.cpp - Tools Implementations ----------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#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" + +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) { + return llvm::StringSwitch<const char *>(Name) + .Case("niagara", "-Av9b") + .Case("niagara2", "-Av9b") + .Case("niagara3", "-Av9d") + .Case("niagara4", "-Av9d") + .Default("-Av9"); + } 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("leon2", "-Av8") + .Case("at697e", "-Av8") + .Case("at697f", "-Av8") + .Case("leon3", "-Av8") + .Case("ut699", "-Av8") + .Case("gr712rc", "-Av8") + .Case("leon4", "-Av8") + .Case("gr740", "-Av8") + .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; +} + +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"); +} |