[mips] Forbid the use of registers t6, t7 and t8 if the target is NaCl.

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

diff --git a/lib/Target/Mips/MipsSEInstrInfo.h b/lib/Target/Mips/MipsSEInstrInfo.h
index 416fff8a60206d3c7040aef52fb0ad0b53a73f69..6d2dd901f33b66eb942fa891dea706010d2d7fa2 100644 (file)
--- a/lib/Target/Mips/MipsSEInstrInfo.h
+++ b/lib/Target/Mips/MipsSEInstrInfo.h
@@ -83,13 +83,34 @@ private:
 
   void expandRetRA(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                    unsigned Opc) const;
+
+  std::pair<bool, bool> compareOpndSize(unsigned Opc,
+                                        const MachineFunction &MF) const;
+
+  void expandPseudoMFHiLo(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+                          unsigned NewOpc) const;
+
+  void expandPseudoMTLoHi(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
+                          unsigned LoOpc, unsigned HiOpc,
+                          bool HasExplicitDef) const;
+
+  /// 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 IsI64) const;
+
   void expandExtractElementF64(MachineBasicBlock &MBB,
-                               MachineBasicBlock::iterator I) const;
+                               MachineBasicBlock::iterator I, bool FP64) const;
   void expandBuildPairF64(MachineBasicBlock &MBB,
-                          MachineBasicBlock::iterator I) const;
-  void expandDPLoadStore(MachineBasicBlock &MBB,
-                         MachineBasicBlock::iterator I, unsigned OpcD,
-                         unsigned OpcS) const;
+                          MachineBasicBlock::iterator I, bool FP64) const;
   void expandEhReturn(MachineBasicBlock &MBB,
                       MachineBasicBlock::iterator I) const;
 };