Improve ext/trunc patterns on PPC64.

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

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index b4e575845686168262df450f88535490e512e43c..a275029d3e5d366fbfda8c22387f68a3d52e94e4 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -1,4 +1,4 @@
-//=====-- PPCSubtarget.h - Define Subtarget for the PPC -------*- C++ -*--====//
+//===-- PPCSubtarget.h - Define Subtarget for the PPC ----------*- C++ -*--===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,37 +7,40 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// 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/TargetSubtarget.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include "llvm/MC/MCInstrItineraries.h"
 #include "llvm/ADT/Triple.h"
 #include <string>
 
 #define GET_SUBTARGETINFO_HEADER
-#include "PPCGenSubtarget.inc"
+#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_64  
   };
 }
@@ -65,6 +68,7 @@ protected:
   bool HasAltivec;
   bool HasFSQRT;
   bool HasSTFIWX;
+  bool IsBookE;
   bool HasLazyResolverStubs;
   bool IsJITCodeModel;
   
@@ -80,8 +84,7 @@ public:
   
   /// 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.
@@ -106,7 +109,7 @@ public:
     // 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-f64:32:64-i64:32:64-f128:64:128-n32";
+                     : "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.
@@ -136,15 +139,22 @@ public:
   bool hasSTFIWX() const { return HasSTFIWX; }
   bool hasAltivec() const { return HasAltivec; }
   bool isGigaProcessor() const { return IsGigaProcessor; }
+  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