[mips] Add assembler support for .set msa/nomsa directive.

[oota-llvm.git] / lib / Target / Mips / Mips16FrameLowering.cpp

diff --git a/lib/Target/Mips/Mips16FrameLowering.cpp b/lib/Target/Mips/Mips16FrameLowering.cpp
index 028b049f9a3147947cff6c51961317bb45a0dd7a..6070276529e3d9687daf4ab7a78f209604560d01 100644 (file)
--- a/lib/Target/Mips/Mips16FrameLowering.cpp
+++ b/lib/Target/Mips/Mips16FrameLowering.cpp
@@ -16,6 +16,7 @@
 #include "Mips16InstrInfo.h"
 #include "MipsInstrInfo.h"
 #include "MipsRegisterInfo.h"
+#include "MipsSubtarget.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
@@ -28,11 +29,14 @@
 
 using namespace llvm;
 
+Mips16FrameLowering::Mips16FrameLowering(const MipsSubtarget &STI)
+    : MipsFrameLowering(STI, STI.stackAlignment()) {}
+
 void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
   MachineBasicBlock &MBB = MF.front();
   MachineFrameInfo *MFI = MF.getFrameInfo();
   const Mips16InstrInfo &TII =
-    *static_cast<const Mips16InstrInfo*>(MF.getTarget().getInstrInfo());
+      *static_cast<const Mips16InstrInfo *>(MF.getSubtarget().getInstrInfo());
   MachineBasicBlock::iterator MBBI = MBB.begin();
   DebugLoc dl = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
   uint64_t StackSize = MFI->getStackSize();
@@ -71,7 +75,7 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
   }
   if (hasFP(MF))
     BuildMI(MBB, MBBI, dl, TII.get(Mips::MoveR3216), Mips::S0)
-      .addReg(Mips::SP);
+      .addReg(Mips::SP).setMIFlag(MachineInstr::FrameSetup);
 
 }
 
@@ -80,7 +84,7 @@ void Mips16FrameLowering::emitEpilogue(MachineFunction &MF,
   MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
   MachineFrameInfo *MFI = MF.getFrameInfo();
   const Mips16InstrInfo &TII =
-    *static_cast<const Mips16InstrInfo*>(MF.getTarget().getInstrInfo());
+      *static_cast<const Mips16InstrInfo *>(MF.getSubtarget().getInstrInfo());
   DebugLoc dl = MBBI->getDebugLoc();
   uint64_t StackSize = MFI->getStackSize();
 
@@ -150,7 +154,7 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
       Amount = -Amount;
 
     const Mips16InstrInfo &TII =
-      *static_cast<const Mips16InstrInfo*>(MF.getTarget().getInstrInfo());
+        *static_cast<const Mips16InstrInfo *>(MF.getSubtarget().getInstrInfo());
 
     TII.adjustStackPtr(Mips::SP, Amount, MBB, I);
   }
@@ -170,7 +174,7 @@ void Mips16FrameLowering::
 processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
                                      RegScavenger *RS) const {
   const Mips16InstrInfo &TII =
-    *static_cast<const Mips16InstrInfo*>(MF.getTarget().getInstrInfo());
+      *static_cast<const Mips16InstrInfo *>(MF.getSubtarget().getInstrInfo());
   const MipsRegisterInfo &RI = TII.getRegisterInfo();
   const BitVector Reserved = RI.getReservedRegs(MF);
   bool SaveS2 = Reserved[Mips::S2];