PowerPC: Fix object creation with PPC::MTCRF8 instruction

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

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index 65d07d89526780fdd6e2a640e0dacd97335d9ad6..c20995afe833063b9760ea4a2bc6b4d2543597f4 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -1,48 +1,59 @@
-//=====-- PPCSubtarget.h - Define Subtarget for the PPC -------*- C++ -*--====//
+//===-- PPCSubtarget.h - Define Subtarget for the PPC ----------*- C++ -*--===//
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Nate Begeman and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
-// This file declares the PowerPC specific subclass of TargetSubtarget.
+// This file declares the PowerPC specific subclass of TargetSubtargetInfo.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef POWERPCSUBTARGET_H
 #define POWERPCSUBTARGET_H
 
-#include "llvm/Target/TargetInstrItineraries.h"
-#include "llvm/Target/TargetSubtarget.h"
-
+#include "llvm/Target/TargetSubtargetInfo.h"
+#include "llvm/MC/MCInstrItineraries.h"
+#include "llvm/ADT/Triple.h"
 #include <string>
 
+#define GET_SUBTARGETINFO_HEADER
+#include "PPCGenSubtargetInfo.inc"
+
+// GCC #defines PPC on Linux but we use it as our namespace name
+#undef PPC
+
 namespace llvm {
+class StringRef;
 
 namespace PPC {
   // -m directive values.
   enum {
+    DIR_NONE,
     DIR_32,
+    DIR_440, 
     DIR_601, 
     DIR_602, 
     DIR_603, 
     DIR_7400,
     DIR_750, 
     DIR_970, 
+    DIR_A2,
+    DIR_E500mc,
+    DIR_E5500,
+    DIR_PWR6,
+    DIR_PWR7,
     DIR_64  
   };
 }
 
-class Module;
 class GlobalValue;
 class TargetMachine;
   
-class PPCSubtarget : public TargetSubtarget {
+class PPCSubtarget : public PPCGenSubtargetInfo {
 protected:
-  const TargetMachine &TM;
-  
   /// stackAlignment - The minimum alignment known to hold of the stack frame on
   /// entry to the function and which must be maintained by every function.
   unsigned StackAlignment;
@@ -54,25 +65,31 @@ protected:
   unsigned DarwinDirective;
 
   /// Used by the ISel to turn in optimizations for POWER4-derived architectures
-  bool IsGigaProcessor;
+  bool HasMFOCRF;
   bool Has64BitSupport;
   bool Use64BitRegs;
   bool IsPPC64;
   bool HasAltivec;
   bool HasFSQRT;
   bool HasSTFIWX;
-  bool IsDarwin;
+  bool HasISEL;
+  bool IsBookE;
   bool HasLazyResolverStubs;
+  bool IsJITCodeModel;
+  
+  /// TargetTriple - What processor and OS we're targeting.
+  Triple TargetTriple;
+
 public:
   /// This constructor initializes the data members to match that
-  /// of the specified module.
+  /// of the specified triple.
   ///
-  PPCSubtarget(const TargetMachine &TM, const Module &M,
+  PPCSubtarget(const std::string &TT, const std::string &CPU,
                const std::string &FS, bool is64Bit);
   
   /// ParseSubtargetFeatures - Parses features string setting specified 
   /// subtarget options.  Definition of function is auto generated by tblgen.
-  void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
+  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
   
   /// SetJITMode - This is called to inform the subtarget info that we are
   /// producing code for the JIT.
@@ -91,10 +108,13 @@ public:
   /// selection.
   const InstrItineraryData &getInstrItineraryData() const { return InstrItins; }
 
-  /// getTargetDataString - Return the pointer size and type alignment
+  /// getDataLayoutString - Return the pointer size and type alignment
   /// properties of this subtarget.
-  const char *getTargetDataString() const {
-    return isPPC64() ? "E-p:64:64-d:32-l:32" : "E-p:32:32-d:32-l:32";
+  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").
+    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";
   }
 
   /// isPPC64 - Return true if we are generating code for 64-bit pointer mode.
@@ -113,15 +133,34 @@ public:
   /// 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.
-  bool hasLazyResolverStub(const GlobalValue *GV) const;
+  bool hasLazyResolverStub(const GlobalValue *GV, 
+                           const TargetMachine &TM) const;
   
+  // isJITCodeModel - True if we're generating code for the JIT
+  bool isJITCodeModel() const { return IsJITCodeModel; }
+
   // Specific obvious features.
   bool hasFSQRT() const { return HasFSQRT; }
   bool hasSTFIWX() const { return HasSTFIWX; }
   bool hasAltivec() const { return HasAltivec; }
-  bool isGigaProcessor() const { return IsGigaProcessor; }
-  
-  bool isDarwin() const { return IsDarwin; }
+  bool hasMFOCRF() const { return HasMFOCRF; }
+  bool hasISEL() const { return HasISEL; }
+  bool isBookE() const { return IsBookE; }
+
+  const Triple &getTargetTriple() const { return TargetTriple; }
+
+  /// isDarwin - True if this is any darwin platform.
+  bool isDarwin() const { return TargetTriple.isMacOSX(); }
+  /// isBGP - True if this is a BG/P platform.
+  bool isBGP() const { return TargetTriple.getVendor() == Triple::BGP; }
+
+  bool isDarwinABI() const { return isDarwin(); }
+  bool isSVR4ABI() const { return !isDarwin(); }
+
+  /// enablePostRAScheduler - True at 'More' optimization.
+  bool enablePostRAScheduler(CodeGenOpt::Level OptLevel,
+                             TargetSubtargetInfo::AntiDepBreakMode& Mode,
+                             RegClassVector& CriticalPathRCs) const;
 };
 } // End llvm namespace