[cfe-commits] r159747 - in /cfe/trunk: include/clang/Driver/Options.td lib/Basic/Targets.cpp lib/Driver/Tools.cpp test/Driver/mips-features.c

[Simon Atanasyan]

Author: atanasyan
Date: Thu Jul  5 09:19:39 2012
New Revision: 159747

URL: http://llvm.org/viewvc/llvm-project?rev=159747&view=rev
Log:
MIPS: Add -mips16 / -mno-mips16 command line support.

Added:
    cfe/trunk/test/Driver/mips-features.c
Modified:
    cfe/trunk/include/clang/Driver/Options.td
    cfe/trunk/lib/Basic/Targets.cpp
    cfe/trunk/lib/Driver/Tools.cpp

Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=159747&r1=159746&r2=159747&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Thu Jul  5 09:19:39 2012
@@ -846,6 +846,8 @@
 def mbmi2 : Flag<"-mbmi2">, Group<m_x86_Features_Group>;
 def mpopcnt : Flag<"-mpopcnt">, Group<m_x86_Features_Group>;
 def mfma4 : Flag<"-mfma4">, Group<m_x86_Features_Group>;
+def mips16 : Flag<"-mips16">, Group<m_Group>;
+def mno_mips16 : Flag<"-mno-mips16">, Group<m_Group>;
 def mthumb : Flag<"-mthumb">, Group<m_Group>;
 def mtune_EQ : Joined<"-mtune=">, Group<m_Group>;
 def multi__module : Flag<"-multi_module">;

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=159747&r1=159746&r2=159747&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Thu Jul  5 09:19:39 2012
@@ -3708,7 +3708,8 @@
     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;
     }

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=159747&r1=159746&r2=159747&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Thu Jul  5 09:19:39 2012
@@ -919,6 +919,15 @@
     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.

Added: cfe/trunk/test/Driver/mips-features.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/mips-features.c?rev=159747&view=auto
==============================================================================
--- cfe/trunk/test/Driver/mips-features.c (added)
+++ cfe/trunk/test/Driver/mips-features.c Thu Jul  5 09:19:39 2012
@@ -0,0 +1,13 @@
+// Check handling MIPS specific features options.
+//
+// -mips16
+// RUN: %clang -target mips-linux-gnu -### -c %s \
+// RUN:     -mno-mips16 -mips16 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-MIPS16 %s
+// CHECK-MIPS16: "-target-feature" "+mips16"
+//
+// -mno-mips16
+// RUN: %clang -target mips-linux-gnu -### -c %s \
+// RUN:     -mips16 -mno-mips16 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-NOMIPS16 %s
+// CHECK-NOMIPS16: "-target-feature" "-mips16"