Added class MachineCacheInfo.

Also added function to convert float to int by copying via memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1221 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Target/MachineInstrInfo.h

@@ -236,9 +236,9 @@ public:
                                       vector<MachineInstr*>& minstrVec,
                                       vector<TmpInstruction*>& temps) const =0;
 
-  // Create an instruction sequence to copy an integer value `val' from an
+  // Create an instruction sequence to copy an integer value `val'
-  // integer to a floating point register `dest'.  val must be an integral
+  // to a floating point value `dest' by copying to memory and back.
-  // type.  dest must be a Float or Double.
+  // val must be an integral type.  dest must be a Float or Double.
   // The generated instructions are returned in `minstrVec'.
   // Any temp. registers (TmpInstruction) created are returned in `tempVec'.
   // 
@@ -248,6 +248,17 @@ public:
                                            vector<MachineInstr*>& minstrVec,
                                            vector<TmpInstruction*>& tempVec,
                                            TargetMachine& target) const = 0;
+
+  // Similarly, create an instruction sequence to copy an FP value
+  // `val' to an integer value `dest' by copying to memory and back.
+  // See the previous function for information about return values.
+  // 
+  virtual void  CreateCodeToCopyFloatToInt(Method* method,
+                                           Value* val,
+                                           Instruction* dest,
+                                           vector<MachineInstr*>& minstrVec,
+                                           vector<TmpInstruction*>& tempVec,
+                                           TargetMachine& target) const = 0;
 };
 
 #endif

include/llvm/Target/TargetInstrInfo.h

@@ -236,9 +236,9 @@ public:
                                       vector<MachineInstr*>& minstrVec,
                                       vector<TmpInstruction*>& temps) const =0;
 
-  // Create an instruction sequence to copy an integer value `val' from an
+  // Create an instruction sequence to copy an integer value `val'
-  // integer to a floating point register `dest'.  val must be an integral
+  // to a floating point value `dest' by copying to memory and back.
-  // type.  dest must be a Float or Double.
+  // val must be an integral type.  dest must be a Float or Double.
   // The generated instructions are returned in `minstrVec'.
   // Any temp. registers (TmpInstruction) created are returned in `tempVec'.
   // 
@@ -248,6 +248,17 @@ public:
                                            vector<MachineInstr*>& minstrVec,
                                            vector<TmpInstruction*>& tempVec,
                                            TargetMachine& target) const = 0;
+
+  // Similarly, create an instruction sequence to copy an FP value
+  // `val' to an integer value `dest' by copying to memory and back.
+  // See the previous function for information about return values.
+  // 
+  virtual void  CreateCodeToCopyFloatToInt(Method* method,
+                                           Value* val,
+                                           Instruction* dest,
+                                           vector<MachineInstr*>& minstrVec,
+                                           vector<TmpInstruction*>& tempVec,
+                                           TargetMachine& target) const = 0;
 };
 
 #endif

include/llvm/Target/TargetMachine.h

@@ -16,6 +16,7 @@ class MachineInstrDescriptor;
 class MachineSchedInfo;
 class MachineRegInfo;
 class MachineFrameInfo;
+class MachineCacheInfo;
 
 //---------------------------------------------------------------------------
 // Data types used to define information about a single machine instruction
@@ -65,6 +66,7 @@ public:
   virtual const MachineSchedInfo&       getSchedInfo() const = 0;
   virtual const MachineRegInfo&	        getRegInfo()   const = 0;
   virtual const MachineFrameInfo&       getFrameInfo() const = 0;
+  virtual const MachineCacheInfo&       getCacheInfo() const = 0;
   
   //
   // Data storage information