Add a PPC inline asm constraint type for single CR bits

[oota-llvm.git] / lib / Target / PowerPC / PPCSubtarget.h

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index b9e22f43c39e56e1d63bca0ac60d430eed9c206e..a9159fbc73d79d61d51a76dd9e19bf00ad4c218e 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -14,9 +14,9 @@
 #ifndef POWERPCSUBTARGET_H
 #define POWERPCSUBTARGET_H
 
-#include "llvm/Target/TargetSubtargetInfo.h"
-#include "llvm/MC/MCInstrItineraries.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/MC/MCInstrItineraries.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include <string>
 
 #define GET_SUBTARGETINFO_HEADER
@@ -43,7 +43,12 @@ namespace PPC {
     DIR_A2,
     DIR_E500mc,
     DIR_E5500,
+    DIR_PWR3,
+    DIR_PWR4,
+    DIR_PWR5,
+    DIR_PWR5X,
     DIR_PWR6,
+    DIR_PWR6X,
     DIR_PWR7,
     DIR_64
   };
@@ -68,14 +73,28 @@ protected:
   bool HasMFOCRF;
   bool Has64BitSupport;
   bool Use64BitRegs;
+  bool UseCRBits;
   bool IsPPC64;
   bool HasAltivec;
+  bool HasQPX;
+  bool HasVSX;
+  bool HasFCPSGN;
   bool HasFSQRT;
+  bool HasFRE, HasFRES, HasFRSQRTE, HasFRSQRTES;
+  bool HasRecipPrec;
   bool HasSTFIWX;
+  bool HasLFIWAX;
+  bool HasFPRND;
+  bool HasFPCVT;
   bool HasISEL;
+  bool HasPOPCNTD;
+  bool HasLDBRX;
   bool IsBookE;
+  bool DeprecatedMFTB;
+  bool DeprecatedDST;
   bool HasLazyResolverStubs;
   bool IsJITCodeModel;
+  bool IsLittleEndian;
 
   /// TargetTriple - What processor and OS we're targeting.
   Triple TargetTriple;
@@ -85,7 +104,8 @@ public:
   /// of the specified triple.
   ///
   PPCSubtarget(const std::string &TT, const std::string &CPU,
-               const std::string &FS, bool is64Bit);
+               const std::string &FS, bool is64Bit,
+               CodeGenOpt::Level OptLevel);
 
   /// ParseSubtargetFeatures - Parses features string setting specified
   /// subtarget options.  Definition of function is auto generated by tblgen.
@@ -108,22 +128,13 @@ public:
   /// selection.
   const InstrItineraryData &getInstrItineraryData() const { return InstrItins; }
 
-  /// getDataLayoutString - Return the pointer size and type alignment
-  /// properties of this subtarget.
-  const char *getDataLayoutString() const {
-    // Note, the alignment values for f64 and i64 on ppc64 in Darwin
-    // documentation are wrong; these are correct (i.e. "what gcc does").
-    if (isPPC64() && isSVR4ABI()) {
-      if (TargetTriple.getOS() == llvm::Triple::FreeBSD)
-        return "E-p:64:64-f64:64:64-i64:64:64-f128:64:64-v128:128:128-n32:64";
-      else
-        return "E-p:64:64-f64:64:64-i64:64:64-f128:128:128-v128:128:128-n32:64";
-    }
-
-    return isPPC64() ? "E-p:64:64-f64:64:64-i64:64:64-f128:64:128-n32:64"
-                     : "E-p:32:32-f64:64:64-i64:64:64-f128:64:128-n32";
-  }
+  /// \brief Reset the features for the PowerPC target.
+  virtual void resetSubtargetFeatures(const MachineFunction *MF);
+private:
+  void initializeEnvironment();
+  void resetSubtargetFeatures(StringRef CPU, StringRef FS);
 
+public:
   /// isPPC64 - Return true if we are generating code for 64-bit pointer mode.
   ///
   bool isPPC64() const { return IsPPC64; }
@@ -137,6 +148,10 @@ public:
   /// has64BitSupport() returns true.
   bool use64BitRegs() const { return Use64BitRegs; }
 
+  /// useCRBits - Return true if we should store and manipulate i1 values in
+  /// the individual condition register bits.
+  bool useCRBits() const { return UseCRBits; }
+
   /// hasLazyResolverStub - Return true if accesses to the specified global have
   /// to go through a dyld lazy resolution stub.  This means that an extra load
   /// is required to get the address of the global.
@@ -146,13 +161,30 @@ public:
   // isJITCodeModel - True if we're generating code for the JIT
   bool isJITCodeModel() const { return IsJITCodeModel; }
 
+  // isLittleEndian - True if generating little-endian code
+  bool isLittleEndian() const { return IsLittleEndian; }
+
   // Specific obvious features.
+  bool hasFCPSGN() const { return HasFCPSGN; }
   bool hasFSQRT() const { return HasFSQRT; }
+  bool hasFRE() const { return HasFRE; }
+  bool hasFRES() const { return HasFRES; }
+  bool hasFRSQRTE() const { return HasFRSQRTE; }
+  bool hasFRSQRTES() const { return HasFRSQRTES; }
+  bool hasRecipPrec() const { return HasRecipPrec; }
   bool hasSTFIWX() const { return HasSTFIWX; }
+  bool hasLFIWAX() const { return HasLFIWAX; }
+  bool hasFPRND() const { return HasFPRND; }
+  bool hasFPCVT() const { return HasFPCVT; }
   bool hasAltivec() const { return HasAltivec; }
+  bool hasQPX() const { return HasQPX; }
   bool hasMFOCRF() const { return HasMFOCRF; }
   bool hasISEL() const { return HasISEL; }
+  bool hasPOPCNTD() const { return HasPOPCNTD; }
+  bool hasLDBRX() const { return HasLDBRX; }
   bool isBookE() const { return IsBookE; }
+  bool isDeprecatedMFTB() const { return DeprecatedMFTB; }
+  bool isDeprecatedDST() const { return DeprecatedDST; }
 
   const Triple &getTargetTriple() const { return TargetTriple; }
 
@@ -160,6 +192,8 @@ public:
   bool isDarwin() const { return TargetTriple.isMacOSX(); }
   /// isBGP - True if this is a BG/P platform.
   bool isBGP() const { return TargetTriple.getVendor() == Triple::BGP; }
+  /// isBGQ - True if this is a BG/Q platform.
+  bool isBGQ() const { return TargetTriple.getVendor() == Triple::BGQ; }
 
   bool isDarwinABI() const { return isDarwin(); }
   bool isSVR4ABI() const { return !isDarwin(); }
@@ -168,6 +202,14 @@ public:
   bool enablePostRAScheduler(CodeGenOpt::Level OptLevel,
                              TargetSubtargetInfo::AntiDepBreakMode& Mode,
                              RegClassVector& CriticalPathRCs) const;
+
+  // Scheduling customization.
+  bool enableMachineScheduler() const;
+  void overrideSchedPolicy(MachineSchedPolicy &Policy,
+                           MachineInstr *begin,
+                           MachineInstr *end,
+                           unsigned NumRegionInstrs) const;
+  bool useAA() const;
 };
 } // End llvm namespace