Compute feature bits at time of MCSubtargetInfo initialization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134606 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp
index 4affc15..12f12ad 100644
--- a/lib/Target/ARM/ARMSubtarget.cpp
+++ b/lib/Target/ARM/ARMSubtarget.cpp
@@ -38,7 +38,7 @@
 
 ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &CPU,
                            const std::string &FS)
-  : ARMGenSubtargetInfo()
+  : ARMGenSubtargetInfo(TT, CPU, FS)
   , ARMProcFamily(Others)
   , HasV4TOps(false)
   , HasV5TOps(false)
@@ -78,9 +78,6 @@
   if (CPUString.empty())
     CPUString = "generic";
 
-  if (TT.find("eabi") != std::string::npos)
-    TargetABI = ARM_ABI_AAPCS;
-
   // Insert the architecture feature derived from the target triple into the
   // feature string. This is important for setting features that are implied
   // based on the architecture version.
@@ -92,7 +89,7 @@
       ArchFS = FS;
   }
 
-  ParseSubtargetFeatures(ArchFS, CPUString);
+  ParseSubtargetFeatures(CPUString, ArchFS);
 
   // Thumb2 implies at least V6T2. FIXME: Fix tests to explicitly specify a
   // ARM version or CPU and then remove this.
@@ -105,6 +102,9 @@
   // After parsing Itineraries, set ItinData.IssueWidth.
   computeIssueWidth();
 
+  if (TT.find("eabi") != std::string::npos)
+    TargetABI = ARM_ABI_AAPCS;
+
   if (isAAPCS_ABI())
     stackAlignment = 8;