[ARM] Fix typo in subtarget feature list for 7em triple

The list of subtarget features for the 7em triple contains 't2xtpk',
which actually disables that subtarget feature. Correct that to
'+t2xtpk' and test that the instructions enabled by that feature do
actually work.

Differential Revision: http://reviews.llvm.org/D9936

llvm-svn: 238022

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
index 0585e92c06a..ebe881a95fb 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
@@ -177,7 +177,7 @@ std::string ARM_MC::ParseARMTriple(StringRef TT, StringRef CPU) {
     if (NoCPU)
       // v7em: FeatureNoARM, FeatureDB, FeatureHWDiv, FeatureDSPThumb2,
       //       FeatureT2XtPk, FeatureMClass
-      ARMArchFeature = "+v7,+noarm,+db,+hwdiv,+t2dsp,t2xtpk,+mclass";
+      ARMArchFeature = "+v7,+noarm,+db,+hwdiv,+t2dsp,+t2xtpk,+mclass";
     else
       // Use CPU to figure out the exact features.
       ARMArchFeature = "+v7";