[Embtk] ARM: getARMTargetCPU(): return default configured cpu if -march and -mcpu are not specified

Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 112c61fcbc..7a07b13072 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -25,6 +25,7 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Twine.h"
+#include "llvm/Config/config.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
@@ -497,10 +498,18 @@ static std::string getARMTargetCPU(const ArgList &Args,
       return MCPU;
   }
 
+#ifdef DEFAULT_TARGET_MCPU
+	bool useDefaultCPU = true;
+#else
+	bool useDefaultCPU = false;
+#endif
+
   StringRef MArch;
   if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
     // Otherwise, if we have -march= choose the base CPU for that arch.
     MArch = A->getValue();
+  } else if (useDefaultCPU) {
+    return DEFAULT_TARGET_MCPU;
   } else {
     // Otherwise, use the Arch from the triple.
     MArch = Triple.getArchName();