MIPS: Add -mips16 / -mno-mips16 command line support.

llvm-svn: 159747

2 files changed, 11 insertions, 1 deletions

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index f094784c727..5d29417cb41 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -3708,7 +3708,8 @@ public:
     if (Name == "soft-float" || Name == "single-float" ||
         Name == "o32" || Name == "n32" || Name == "n64" || Name == "eabi" ||
         Name == "mips32" || Name == "mips32r2" ||
-        Name == "mips64" || Name == "mips64r2") {
+        Name == "mips64" || Name == "mips64r2" ||
+        Name == "mips16") {
       Features[Name] = Enabled;
       return true;
     }
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index a5e2e401e22..1be4659f614 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -919,6 +919,15 @@ void Clang::AddMIPSTargetArgs(const ArgList &Args,
     CmdArgs.push_back("-mfloat-abi");
     CmdArgs.push_back("hard");
   }
+
+  if (Arg *A = Args.getLastArg(options::OPT_mips16,
+                               options::OPT_mno_mips16)) {
+    CmdArgs.push_back("-target-feature");
+    if (A->getOption().matches(options::OPT_mips16))
+      CmdArgs.push_back("+mips16");
+    else
+      CmdArgs.push_back("-mips16");
+  }
 }
 
 /// getPPCTargetCPU - Get the (LLVM) name of the PowerPC cpu we are targeting.