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[driver] Add a static helper function for handling -mfpu= to remove some code 

duplication.  No functional change intended.

llvm-svn: 154049
This commit is contained in:
Chad Rosier 2012-04-04 20:51:35 +00:00
parent 0b88d815e3
commit cfbfc5827c
1 changed files with 45 additions and 76 deletions
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121
clang/lib/Driver/Tools.cpp
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@ -504,6 +504,47 @@ static bool isSignedCharDefault(const llvm::Triple &Triple) {
}
}
// Handle -mfpu=.
//
// FIXME: Centralize feature selection, defaulting shouldn't be also in the
// frontend target.
static void addFPUArgs(const Driver &D, const Arg *A, const ArgList &Args,
ArgStringList &CmdArgs) {
StringRef FPU = A->getValue(Args);
// Set the target features based on the FPU.
if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
// Disable any default FPU support.
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-vfp2");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+d16");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp2");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp3" || FPU == "vfpv3") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "neon") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+neon");
} else
D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
}
// Handle -mfpmath=.
static void addFPMathArgs(const Driver &D, const Arg *A, const ArgList &Args,
ArgStringList &CmdArgs) {
@ -664,44 +705,8 @@ void Clang::AddARMTargetArgs(const ArgList &Args,
}
// Honor -mfpu=.
//
// FIXME: Centralize feature selection, defaulting shouldn't be also in the
// frontend target.
if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) {
StringRef FPU = A->getValue(Args);
// Set the target features based on the FPU.
if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
// Disable any default FPU support.
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-vfp2");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+d16");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp2");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp3" || FPU == "vfpv3") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "neon") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+neon");
} else
D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
}
if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
addFPUArgs(D, A, Args,CmdArgs);
// Honor -mfpmath=.
if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ))
@ -2671,44 +2676,8 @@ void ClangAs::AddARMTargetArgs(const ArgList &Args,
CmdArgs.push_back(getARMTargetCPU(Args, Triple));
// Honor -mfpu=.
//
// FIXME: Centralize feature selection, defaulting shouldn't be also in the
// frontend target.
if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) {
StringRef FPU = A->getValue(Args);
// Set the target features based on the FPU.
if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
// Disable any default FPU support.
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-vfp2");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+d16");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp2");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp3" || FPU == "vfpv3") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "neon") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+neon");
} else
D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
}
if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
addFPUArgs(D, A, Args,CmdArgs);
// Honor -mfpmath=.
if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ))