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Move Clang X86 cpu/feature argument translation into AddX86TargetArgs. 

llvm-svn: 81390
This commit is contained in:
Daniel Dunbar 2009-09-09 22:33:08 +00:00
parent 1ce81538f1
commit 3b3191f23c
2 changed files with 56 additions and 40 deletions
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94
clang/lib/Driver/Tools.cpp
View File

@ -183,6 +183,52 @@ void Clang::AddPreprocessingOptions(const Driver &D,
options::OPT_Xpreprocessor);
}
void Clang::AddX86TargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
// FIXME: We may need some translation here from the options gcc takes to
// names the LLVM backend understand?
CmdArgs.push_back("-mcpu");
CmdArgs.push_back(A->getValue(Args));
} else {
// Select default CPU.
// FIXME: Need target hooks.
if (memcmp(getToolChain().getOS().c_str(), "darwin", 6) == 0) {
if (getToolChain().getArchName() == "x86_64")
CmdArgs.push_back("--mcpu=core2");
else if (getToolChain().getArchName() == "i386")
CmdArgs.push_back("--mcpu=yonah");
} else {
if (getToolChain().getArchName() == "x86_64")
CmdArgs.push_back("--mcpu=x86-64");
else if (getToolChain().getArchName() == "i386")
CmdArgs.push_back("--mcpu=pentium4");
}
}
// FIXME: Use iterator.
for (ArgList::const_iterator
it = Args.begin(), ie = Args.end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(options::OPT_m_x86_Features_Group)) {
llvm::StringRef Name = A->getOption().getName();
// Skip over "-m".
assert(Name.startswith("-m") && "Invalid feature name.");
Name = Name.substr(2);
bool IsNegative = Name.startswith("no-");
if (IsNegative)
Name = Name.substr(3);
A->claim();
CmdArgs.push_back("-target-feature");
CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
}
}
}
void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Job &Dest,
const InputInfo &Output,
@ -352,52 +398,20 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// FIXME: Handle -mtune=.
(void) Args.hasArg(options::OPT_mtune_EQ);
if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
// FIXME: We may need some translation here from the options gcc takes to
// names the LLVM backend understand?
CmdArgs.push_back("-mcpu");
CmdArgs.push_back(A->getValue(Args));
} else {
// Select default CPU.
// FIXME: Need target hooks.
if (memcmp(getToolChain().getOS().c_str(), "darwin", 6) == 0) {
if (getToolChain().getArchName() == "x86_64")
CmdArgs.push_back("--mcpu=core2");
else if (getToolChain().getArchName() == "i386")
CmdArgs.push_back("--mcpu=yonah");
} else {
if (getToolChain().getArchName() == "x86_64")
CmdArgs.push_back("--mcpu=x86-64");
else if (getToolChain().getArchName() == "i386")
CmdArgs.push_back("--mcpu=pentium4");
}
}
if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) {
CmdArgs.push_back("-code-model");
CmdArgs.push_back(A->getValue(Args));
}
// FIXME: Use iterator.
for (ArgList::const_iterator
it = Args.begin(), ie = Args.end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(options::OPT_m_x86_Features_Group)) {
llvm::StringRef Name = A->getOption().getName();
// Add target specific cpu and features flags.
switch(getToolChain().getTriple().getArch()) {
default:
break;
// Skip over "-m".
assert(Name.startswith("-m") && "Invalid feature name.");
Name = Name.substr(2);
bool IsNegative = Name.startswith("no-");
if (IsNegative)
Name = Name.substr(3);
A->claim();
CmdArgs.push_back("-target-feature");
CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
}
case llvm::Triple::x86:
case llvm::Triple::x86_64:
AddX86TargetArgs(Args, CmdArgs);
break;
}
if (Args.hasFlag(options::OPT_fmath_errno,

2
clang/lib/Driver/Tools.h
View File

@ -33,6 +33,8 @@ namespace tools {
const InputInfo &Output,
const InputInfoList &Inputs) const;
void AddX86TargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
public:
Clang(const ToolChain &TC) : Tool("clang", TC) {}