Add in some more MIPS command line options.
Patch by Oleksandr Tymoshenko!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97544 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 145e29e..de9bdcc 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -480,6 +480,65 @@
}
}
+void Clang::AddMIPSTargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ const Driver &D = getToolChain().getDriver();
+
+ // Select the ABI to use.
+ const char *ABIName = 0;
+ if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
+ ABIName = A->getValue(Args);
+ } else {
+ ABIName = "o32";
+ }
+
+ CmdArgs.push_back("-target-abi");
+ CmdArgs.push_back(ABIName);
+
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
+ llvm::StringRef MArch = A->getValue(Args);
+ CmdArgs.push_back("-target-cpu");
+
+ if ((MArch == "r2000") || (MArch == "r3000"))
+ CmdArgs.push_back("mips1");
+ else if (MArch == "r6000")
+ CmdArgs.push_back("mips2");
+ else
+ CmdArgs.push_back(MArch.str().c_str());
+ }
+
+ // Select the float ABI as determined by -msoft-float, -mhard-float, and
+ llvm::StringRef FloatABI;
+ if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
+ options::OPT_mhard_float)) {
+ if (A->getOption().matches(options::OPT_msoft_float))
+ FloatABI = "soft";
+ else if (A->getOption().matches(options::OPT_mhard_float))
+ FloatABI = "hard";
+ }
+
+ // If unspecified, choose the default based on the platform.
+ if (FloatABI.empty()) {
+ switch (getToolChain().getTriple().getOS()) {
+ default:
+ // Assume "soft", but warn the user we are guessing.
+ FloatABI = "soft";
+ D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft";
+ break;
+ }
+ }
+
+ if (FloatABI == "soft") {
+ // Floating point operations and argument passing are soft.
+ //
+ // FIXME: This changes CPP defines, we need -target-soft-float.
+ CmdArgs.push_back("-msoft-float");
+ } else {
+ assert(FloatABI == "hard" && "Invalid float abi!");
+ CmdArgs.push_back("-mhard-float");
+ }
+}
+
void Clang::AddX86TargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
if (!Args.hasFlag(options::OPT_mred_zone,
@@ -839,6 +898,11 @@
AddARMTargetArgs(Args, CmdArgs);
break;
+ case llvm::Triple::mips:
+ case llvm::Triple::mipsel:
+ AddMIPSTargetArgs(Args, CmdArgs);
+ break;
+
case llvm::Triple::x86:
case llvm::Triple::x86_64:
AddX86TargetArgs(Args, CmdArgs);
@@ -2546,6 +2610,13 @@
if (getToolChain().getArchName() == "i386")
CmdArgs.push_back("--32");
+
+ // Set byte order explicitly
+ if (getToolChain().getArchName() == "mips")
+ CmdArgs.push_back("-EB");
+ else if (getToolChain().getArchName() == "mipsel")
+ CmdArgs.push_back("-EL");
+
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
options::OPT_Xassembler);