Mips assembler: Improve set register alias handling

[oota-llvm.git] / lib / Target / Mips / MipsSEInstrInfo.h

diff --git a/lib/Target/Mips/MipsSEInstrInfo.h b/lib/Target/Mips/MipsSEInstrInfo.h
index 0bf7876f0fe00d2f77f5f4312bde4a09c15a9f90..e44ff42b706e84e837b320b5b8a9dbd13f497ea0 100644 (file)
--- a/lib/Target/Mips/MipsSEInstrInfo.h
+++ b/lib/Target/Mips/MipsSEInstrInfo.h
@@ -65,7 +65,7 @@ public:
 
   virtual bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const;
 
-  virtual unsigned GetOppositeBranchOpc(unsigned Opc) const;
+  virtual unsigned getOppositeBranchOpc(unsigned Opc) const;
 
   /// Adjust SP by Amount bytes.
   void adjustStackPtr(unsigned SP, int64_t Amount, MachineBasicBlock &MBB,
@@ -79,15 +79,33 @@ public:
                          unsigned *NewImm) const;
 
 private:
-  virtual unsigned GetAnalyzableBrOpc(unsigned Opc) const;
+  virtual unsigned getAnalyzableBrOpc(unsigned Opc) const;
 
-  void ExpandRetRA(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+  void expandRetRA(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                    unsigned Opc) const;
-  void ExpandExtractElementF64(MachineBasicBlock &MBB,
+
+  /// Expand pseudo Int-to-FP conversion instructions.
+  ///
+  /// For example, the following pseudo instruction
+  ///  PseudoCVT_D32_W D2, A5
+  /// gets expanded into these two instructions:
+  ///  MTC1 F4, A5
+  ///  CVT_D32_W D2, F4
+  ///
+  /// We do this expansion post-RA to avoid inserting a floating point copy
+  /// instruction between MTC1 and CVT_D32_W.
+  void expandCvtFPInt(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+                      unsigned CvtOpc, unsigned MovOpc, bool DstIsLarger,
+                      bool SrcIsLarger, bool IsI64) const;
+
+  void expandExtractElementF64(MachineBasicBlock &MBB,
                                MachineBasicBlock::iterator I) const;
-  void ExpandBuildPairF64(MachineBasicBlock &MBB,
+  void expandBuildPairF64(MachineBasicBlock &MBB,
                           MachineBasicBlock::iterator I) const;
-  void ExpandEhReturn(MachineBasicBlock &MBB,
+  void expandDPLoadStore(MachineBasicBlock &MBB,
+                         MachineBasicBlock::iterator I, unsigned OpcD,
+                         unsigned OpcS) const;
+  void expandEhReturn(MachineBasicBlock &MBB,
                       MachineBasicBlock::iterator I) const;
 };