Move types back to the 2.5 API.

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

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index 65d07d89526780fdd6e2a640e0dacd97335d9ad6..f633cc6d2da4c2f9bc385f24a36d5ac0b1548ee9 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -2,8 +2,8 @@
 //
 //                     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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -19,11 +19,15 @@
 
 #include <string>
 
+// GCC #defines PPC on Linux but we use it as our namespace name
+#undef PPC
+
 namespace llvm {
 
 namespace PPC {
   // -m directive values.
   enum {
+    DIR_NONE,
     DIR_32,
     DIR_601, 
     DIR_602, 
@@ -40,6 +44,10 @@ class GlobalValue;
 class TargetMachine;
   
 class PPCSubtarget : public TargetSubtarget {
+public:
+  enum AsmWriterFlavorTy {
+    OldMnemonic, NewMnemonic, Unset
+  };
 protected:
   const TargetMachine &TM;
   
@@ -53,6 +61,9 @@ protected:
   /// Which cpu directive was used.
   unsigned DarwinDirective;
 
+  /// AsmFlavor - Which PPC asm dialect to use.
+  AsmWriterFlavorTy AsmFlavor;
+
   /// Used by the ISel to turn in optimizations for POWER4-derived architectures
   bool IsGigaProcessor;
   bool Has64BitSupport;
@@ -61,8 +72,11 @@ protected:
   bool HasAltivec;
   bool HasFSQRT;
   bool HasSTFIWX;
-  bool IsDarwin;
   bool HasLazyResolverStubs;
+  
+  /// DarwinVers - Nonzero if this is a darwin platform.  Otherwise, the numeric
+  /// version of the platform, e.g. 8 = 10.4 (Tiger), 9 = 10.5 (Leopard), etc.
+  unsigned char DarwinVers; // Is any darwin-ppc platform.
 public:
   /// This constructor initializes the data members to match that
   /// of the specified module.
@@ -72,7 +86,9 @@ 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);
+  std::string ParseSubtargetFeatures(const std::string &FS,
+                                     const std::string &CPU);
+
   
   /// SetJITMode - This is called to inform the subtarget info that we are
   /// producing code for the JIT.
@@ -94,7 +110,10 @@ public:
   /// getTargetDataString - 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";
+    // 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"
+                     : "E-p:32:32-f64:32:64-i64:32:64-f128:64:128";
   }
 
   /// isPPC64 - Return true if we are generating code for 64-bit pointer mode.
@@ -120,8 +139,21 @@ public:
   bool hasSTFIWX() const { return HasSTFIWX; }
   bool hasAltivec() const { return HasAltivec; }
   bool isGigaProcessor() const { return IsGigaProcessor; }
-  
-  bool isDarwin() const { return IsDarwin; }
+
+  /// isDarwin - True if this is any darwin platform.
+  bool isDarwin() const { return DarwinVers != 0; }
+  /// isDarwin - True if this is darwin9 (leopard, 10.5) or above.
+  bool isDarwin9() const { return DarwinVers >= 9; }
+
+  /// getDarwinVers - Return the darwin version number, 8 = tiger, 9 = leopard.
+  unsigned getDarwinVers() const { return DarwinVers; }
+
+  bool isDarwinABI() const { return isDarwin() || IsPPC64; }
+  bool isSVR4ABI() const { return !isDarwin() && !IsPPC64; }
+
+  unsigned getAsmFlavor() const {
+    return AsmFlavor != Unset ? unsigned(AsmFlavor) : 0;
+  }
 };
 } // End llvm namespace