Add fused multiple+add instructions from VFPv4.

[oota-llvm.git] / lib / Target / ARM / ARMSubtarget.cpp

diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp
index 12f12ad862d3c64edb589df7a70814fb5615600a..bb77a3c48ca36c7a6398e74c4c4176014328cb61 100644 (file)
--- a/lib/Target/ARM/ARMSubtarget.cpp
+++ b/lib/Target/ARM/ARMSubtarget.cpp
@@ -18,9 +18,8 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/ADT/SmallVector.h"
 
-#define GET_SUBTARGETINFO_CTOR
-#define GET_SUBTARGETINFO_MC_DESC
 #define GET_SUBTARGETINFO_TARGET_DESC
+#define GET_SUBTARGETINFO_CTOR
 #include "ARMGenSubtargetInfo.inc"
 
 using namespace llvm;
@@ -48,17 +47,21 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &CPU,
   , HasV7Ops(false)
   , HasVFPv2(false)
   , HasVFPv3(false)
+  , HasVFPv4(false)
   , HasNEON(false)
+  , HasNEONVFPv4(false)
   , UseNEONForSinglePrecisionFP(false)
   , SlowFPVMLx(false)
   , HasVMLxForwarding(false)
   , SlowFPBrcc(false)
-  , IsThumb(false)
+  , InThumbMode(false)
   , HasThumb2(false)
+  , IsMClass(false)
   , NoARM(false)
   , PostRAScheduler(false)
   , IsR9Reserved(ReserveR9)
   , UseMovt(false)
+  , SupportsTailCall(false)
   , HasFP16(false)
   , HasD16(false)
   , HasHardwareDivide(false)
@@ -81,14 +84,13 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &CPU,
   // 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.
-  std::string ArchFS = ARM_MC::ParseARMTriple(TT, IsThumb);
+  std::string ArchFS = ARM_MC::ParseARMTriple(TT);
   if (!FS.empty()) {
     if (!ArchFS.empty())
       ArchFS = ArchFS + "," + FS;
     else
       ArchFS = FS;
   }
-
   ParseSubtargetFeatures(CPUString, ArchFS);
 
   // Thumb2 implies at least V6T2. FIXME: Fix tests to explicitly specify a
@@ -108,11 +110,13 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &CPU,
   if (isAAPCS_ABI())
     stackAlignment = 8;
 
-  if (!isTargetDarwin())
+  if (!isTargetIOS())
     UseMovt = hasV6T2Ops();
   else {
     IsR9Reserved = ReserveR9 | !HasV6Ops;
     UseMovt = DarwinUseMOVT && hasV6T2Ops();
+    const Triple &T = getTargetTriple();
+    SupportsTailCall = !T.isOSVersionLT(5, 0);
   }
 
   if (!isThumb() || hasThumb2())