Temporarily Revert "Nuke the old JIT." as it's not quite ready to

[oota-llvm.git] / lib / Target / Sparc / SparcSubtarget.h

diff --git a/lib/Target/Sparc/SparcSubtarget.h b/lib/Target/Sparc/SparcSubtarget.h
index eabf390d378b6c6a6bee929cb0481de368bab06d..0f4a1626f04ed4b97c384473e96cc7934da8d704 100644 (file)
--- a/lib/Target/Sparc/SparcSubtarget.h
+++ b/lib/Target/Sparc/SparcSubtarget.h
@@ -1,4 +1,4 @@
-//=====-- SparcSubtarget.h - Define Subtarget for the SPARC ----*- C++ -*-====//
+//===-- SparcSubtarget.h - Define Subtarget for the SPARC -------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,46 +7,90 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file declares the SPARC specific subclass of TargetSubtarget.
+// This file declares the SPARC specific subclass of TargetSubtargetInfo.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef SPARC_SUBTARGET_H
 #define SPARC_SUBTARGET_H
 
-#include "llvm/Target/TargetSubtarget.h"
+#include "SparcFrameLowering.h"
+#include "SparcInstrInfo.h"
+#include "SparcISelLowering.h"
+#include "SparcJITInfo.h"
+#include "SparcSelectionDAGInfo.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/Target/TargetFrameLowering.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include <string>
 
+#define GET_SUBTARGETINFO_HEADER
+#include "SparcGenSubtargetInfo.inc"
+
 namespace llvm {
+class StringRef;
 
-class SparcSubtarget : public TargetSubtarget {
+class SparcSubtarget : public SparcGenSubtargetInfo {
+  virtual void anchor();
   bool IsV9;
   bool V8DeprecatedInsts;
-  bool IsVIS;
+  bool IsVIS, IsVIS2, IsVIS3;
   bool Is64Bit;
-  
+  bool HasHardQuad;
+  bool UsePopc;
+  const DataLayout DL;       // Calculates type size & alignment
+  SparcInstrInfo InstrInfo;
+  SparcTargetLowering TLInfo;
+  SparcSelectionDAGInfo TSInfo;
+  SparcFrameLowering FrameLowering;
+  SparcJITInfo JITInfo;
+
 public:
   SparcSubtarget(const std::string &TT, const std::string &CPU,
-                 const std::string &FS, bool is64bit);
+                 const std::string &FS, TargetMachine &TM, bool is64bit);
+
+  const SparcInstrInfo *getInstrInfo() const override { return &InstrInfo; }
+  const TargetFrameLowering *getFrameLowering() const override {
+    return &FrameLowering;
+  }
+  const SparcRegisterInfo *getRegisterInfo() const override {
+    return &InstrInfo.getRegisterInfo();
+  }
+  const SparcTargetLowering *getTargetLowering() const override {
+    return &TLInfo;
+  }
+  const SparcSelectionDAGInfo *getSelectionDAGInfo() const override {
+    return &TSInfo;
+  }
+  SparcJITInfo *getJITInfo() override { return &JITInfo; }
+  const DataLayout *getDataLayout() const override { return &DL; }
 
   bool isV9() const { return IsV9; }
   bool isVIS() const { return IsVIS; }
+  bool isVIS2() const { return IsVIS2; }
+  bool isVIS3() const { return IsVIS3; }
   bool useDeprecatedV8Instructions() const { return V8DeprecatedInsts; }
-  
-  /// ParseSubtargetFeatures - Parses features string setting specified 
+  bool hasHardQuad() const { return HasHardQuad; }
+  bool usePopc() const { return UsePopc; }
+
+  /// 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);
+  SparcSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
+
   bool is64Bit() const { return Is64Bit; }
-  std::string getDataLayout() const {
-    const char *p;
-    if (is64Bit()) {
-      p = "E-p:64:64:64-i64:64:64-f64:64:64-f128:128:128-n32:64";
-    } else {
-      p = "E-p:32:32:32-i64:64:64-f64:64:64-f128:64:64-n32";
-    }
-    return std::string(p);
+
+  /// The 64-bit ABI uses biased stack and frame pointers, so the stack frame
+  /// of the current function is the area from [%sp+BIAS] to [%fp+BIAS].
+  int64_t getStackPointerBias() const {
+    return is64Bit() ? 2047 : 0;
   }
+
+  /// Given a actual stack size as determined by FrameInfo, this function
+  /// returns adjusted framesize which includes space for register window
+  /// spills and arguments.
+  int getAdjustedFrameSize(int stackSize) const;
+
 };
 
 } // end namespace llvm