X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsSEInstrInfo.cpp;h=374837e37d2c123cbf56b684737a8bffd3eb4e94;hb=bf7f7b5e0eae40bb47a410c90f9f0885c0f38b2c;hp=24a68362fd159c23e6ef774ae6223991189f9578;hpb=cbaf6d0cc3d3f363f269346817a90d3cbc8d1084;p=oota-llvm.git

diff --git a/lib/Target/Mips/MipsSEInstrInfo.cpp b/lib/Target/Mips/MipsSEInstrInfo.cpp
index 24a68362fd1..374837e37d2 100644
--- a/lib/Target/Mips/MipsSEInstrInfo.cpp
+++ b/lib/Target/Mips/MipsSEInstrInfo.cpp
@@ -49,10 +49,8 @@ isLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const
 {
   unsigned Opc = MI->getOpcode();
 
-  if ((Opc == Mips::LW)    || (Opc == Mips::LW_P8)  || (Opc == Mips::LD) ||
-      (Opc == Mips::LD_P8) || (Opc == Mips::LWC1)   || (Opc == Mips::LWC1_P8) ||
-      (Opc == Mips::LDC1)  || (Opc == Mips::LDC164) ||
-      (Opc == Mips::LDC164_P8)) {
+  if ((Opc == Mips::LW)   || (Opc == Mips::LD)   ||
+      (Opc == Mips::LWC1) || (Opc == Mips::LDC1) || (Opc == Mips::LDC164)) {
     if ((MI->getOperand(1).isFI()) && // is a stack slot
         (MI->getOperand(2).isImm()) &&  // the imm is zero
         (isZeroImm(MI->getOperand(2)))) {
@@ -74,10 +72,8 @@ isStoreToStackSlot(const MachineInstr *MI, int &FrameIndex) const
 {
   unsigned Opc = MI->getOpcode();
 
-  if ((Opc == Mips::SW)    || (Opc == Mips::SW_P8)  || (Opc == Mips::SD) ||
-      (Opc == Mips::SD_P8) || (Opc == Mips::SWC1)   || (Opc == Mips::SWC1_P8) ||
-      (Opc == Mips::SDC1)  || (Opc == Mips::SDC164) ||
-      (Opc == Mips::SDC164_P8)) {
+  if ((Opc == Mips::SW)   || (Opc == Mips::SD)   ||
+      (Opc == Mips::SWC1) || (Opc == Mips::SDC1) || (Opc == Mips::SDC164)) {
     if ((MI->getOperand(1).isFI()) && // is a stack slot
         (MI->getOperand(2).isImm()) &&  // the imm is zero
         (isZeroImm(MI->getOperand(2)))) {
@@ -114,6 +110,8 @@ void MipsSEInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
         .addReg(SrcReg, RegState::Implicit | getKillRegState(KillSrc));
       return;
     }
+    else if (Mips::MSACtrlRegClass.contains(SrcReg))
+      Opc = Mips::CFCMSA;
   }
   else if (Mips::GPR32RegClass.contains(SrcReg)) { // Copy from CPU Reg.
     if (Mips::CCRRegClass.contains(DestReg))
@@ -134,6 +132,8 @@ void MipsSEInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
         .addReg(DestReg, RegState::ImplicitDefine);
       return;
     }
+    else if (Mips::MSACtrlRegClass.contains(DestReg))
+      Opc = Mips::CTCMSA;
   }
   else if (Mips::FGR32RegClass.contains(DestReg, SrcReg))
     Opc = Mips::FMOV_S;
@@ -186,23 +186,31 @@ storeRegToStack(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
   unsigned Opc = 0;
 
   if (Mips::GPR32RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::SW_P8 : Mips::SW;
+    Opc = Mips::SW;
   else if (Mips::GPR64RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::SD_P8 : Mips::SD;
+    Opc = Mips::SD;
   else if (Mips::ACC64RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::STORE_ACC64_P8 : Mips::STORE_ACC64;
+    Opc = Mips::STORE_ACC64;
   else if (Mips::ACC64DSPRegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::STORE_ACC64DSP_P8 : Mips::STORE_ACC64DSP;
+    Opc = Mips::STORE_ACC64DSP;
   else if (Mips::ACC128RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::STORE_ACC128_P8 : Mips::STORE_ACC128;
+    Opc = Mips::STORE_ACC128;
   else if (Mips::DSPCCRegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::STORE_CCOND_DSP_P8 : Mips::STORE_CCOND_DSP;
+    Opc = Mips::STORE_CCOND_DSP;
   else if (Mips::FGR32RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::SWC1_P8 : Mips::SWC1;
+    Opc = Mips::SWC1;
   else if (Mips::AFGR64RegClass.hasSubClassEq(RC))
     Opc = Mips::SDC1;
   else if (Mips::FGR64RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::SDC164_P8 : Mips::SDC164;
+    Opc = Mips::SDC164;
+  else if (RC->hasType(MVT::v16i8))
+    Opc = Mips::ST_B;
+  else if (RC->hasType(MVT::v8i16) || RC->hasType(MVT::v8f16))
+    Opc = Mips::ST_H;
+  else if (RC->hasType(MVT::v4i32) || RC->hasType(MVT::v4f32))
+    Opc = Mips::ST_W;
+  else if (RC->hasType(MVT::v2i64) || RC->hasType(MVT::v2f64))
+    Opc = Mips::ST_D;
 
   assert(Opc && "Register class not handled!");
   BuildMI(MBB, I, DL, get(Opc)).addReg(SrcReg, getKillRegState(isKill))
@@ -219,23 +227,31 @@ loadRegFromStack(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
   unsigned Opc = 0;
 
   if (Mips::GPR32RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::LW_P8 : Mips::LW;
+    Opc = Mips::LW;
   else if (Mips::GPR64RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::LD_P8 : Mips::LD;
+    Opc = Mips::LD;
   else if (Mips::ACC64RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::LOAD_ACC64_P8 : Mips::LOAD_ACC64;
+    Opc = Mips::LOAD_ACC64;
   else if (Mips::ACC64DSPRegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::LOAD_ACC64DSP_P8 : Mips::LOAD_ACC64DSP;
+    Opc = Mips::LOAD_ACC64DSP;
   else if (Mips::ACC128RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::LOAD_ACC128_P8 : Mips::LOAD_ACC128;
+    Opc = Mips::LOAD_ACC128;
   else if (Mips::DSPCCRegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::LOAD_CCOND_DSP_P8 : Mips::LOAD_CCOND_DSP;
+    Opc = Mips::LOAD_CCOND_DSP;
   else if (Mips::FGR32RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::LWC1_P8 : Mips::LWC1;
+    Opc = Mips::LWC1;
   else if (Mips::AFGR64RegClass.hasSubClassEq(RC))
     Opc = Mips::LDC1;
   else if (Mips::FGR64RegClass.hasSubClassEq(RC))
-    Opc = IsN64 ? Mips::LDC164_P8 : Mips::LDC164;
+    Opc = Mips::LDC164;
+  else if (RC->hasType(MVT::v16i8))
+    Opc = Mips::LD_B;
+  else if (RC->hasType(MVT::v8i16) || RC->hasType(MVT::v8f16))
+    Opc = Mips::LD_H;
+  else if (RC->hasType(MVT::v4i32) || RC->hasType(MVT::v4f32))
+    Opc = Mips::LD_W;
+  else if (RC->hasType(MVT::v2i64) || RC->hasType(MVT::v2f64))
+    Opc = Mips::LD_D;
 
   assert(Opc && "Register class not handled!");
   BuildMI(MBB, I, DL, get(Opc), DestReg).addFrameIndex(FI).addImm(Offset)
@@ -267,10 +283,16 @@ bool MipsSEInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
     expandCvtFPInt(MBB, MI, Mips::CVT_D64_L, Mips::DMTC1, true);
     break;
   case Mips::BuildPairF64:
-    expandBuildPairF64(MBB, MI);
+    expandBuildPairF64(MBB, MI, false);
+    break;
+  case Mips::BuildPairF64_64:
+    expandBuildPairF64(MBB, MI, true);
     break;
   case Mips::ExtractElementF64:
-    expandExtractElementF64(MBB, MI);
+    expandExtractElementF64(MBB, MI, false);
+    break;
+  case Mips::ExtractElementF64_64:
+    expandExtractElementF64(MBB, MI, true);
     break;
   case Mips::PseudoLDC1:
     expandDPLoadStore(MBB, MI, Mips::LDC1, Mips::LWC1);
@@ -408,38 +430,41 @@ void MipsSEInstrInfo::expandCvtFPInt(MachineBasicBlock &MBB,
   unsigned DstReg = Dst.getReg(), SrcReg = Src.getReg(), TmpReg = DstReg;
   unsigned KillSrc =  getKillRegState(Src.isKill());
   DebugLoc DL = I->getDebugLoc();
-  unsigned SubIdx = (IsI64 ? Mips::sub_32 : Mips::sub_fpeven);
   bool DstIsLarger, SrcIsLarger;
 
   tie(DstIsLarger, SrcIsLarger) = compareOpndSize(CvtOpc, *MBB.getParent());
 
   if (DstIsLarger)
-    TmpReg = getRegisterInfo().getSubReg(DstReg, SubIdx);
+    TmpReg = getRegisterInfo().getSubReg(DstReg, Mips::sub_lo);
 
   if (SrcIsLarger)
-    DstReg = getRegisterInfo().getSubReg(DstReg, SubIdx);
+    DstReg = getRegisterInfo().getSubReg(DstReg, Mips::sub_lo);
 
   BuildMI(MBB, I, DL, MovDesc, TmpReg).addReg(SrcReg, KillSrc);
   BuildMI(MBB, I, DL, CvtDesc, DstReg).addReg(TmpReg, RegState::Kill);
 }
 
 void MipsSEInstrInfo::expandExtractElementF64(MachineBasicBlock &MBB,
-                                          MachineBasicBlock::iterator I) const {
+                                              MachineBasicBlock::iterator I,
+                                              bool FP64) const {
   unsigned DstReg = I->getOperand(0).getReg();
   unsigned SrcReg = I->getOperand(1).getReg();
   unsigned N = I->getOperand(2).getImm();
-  const MCInstrDesc& Mfc1Tdd = get(Mips::MFC1);
   DebugLoc dl = I->getDebugLoc();
 
   assert(N < 2 && "Invalid immediate");
-  unsigned SubIdx = N ? Mips::sub_fpodd : Mips::sub_fpeven;
+  unsigned SubIdx = N ? Mips::sub_hi : Mips::sub_lo;
   unsigned SubReg = getRegisterInfo().getSubReg(SrcReg, SubIdx);
 
-  BuildMI(MBB, I, dl, Mfc1Tdd, DstReg).addReg(SubReg);
+  if (SubIdx == Mips::sub_hi && FP64)
+    BuildMI(MBB, I, dl, get(Mips::MFHC1), DstReg).addReg(SubReg);
+  else
+    BuildMI(MBB, I, dl, get(Mips::MFC1), DstReg).addReg(SubReg);
 }
 
 void MipsSEInstrInfo::expandBuildPairF64(MachineBasicBlock &MBB,
-                                       MachineBasicBlock::iterator I) const {
+                                         MachineBasicBlock::iterator I,
+                                         bool FP64) const {
   unsigned DstReg = I->getOperand(0).getReg();
   unsigned LoReg = I->getOperand(1).getReg(), HiReg = I->getOperand(2).getReg();
   const MCInstrDesc& Mtc1Tdd = get(Mips::MTC1);
@@ -448,10 +473,15 @@ void MipsSEInstrInfo::expandBuildPairF64(MachineBasicBlock &MBB,
 
   // mtc1 Lo, $fp
   // mtc1 Hi, $fp + 1
-  BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_fpeven))
+  BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_lo))
     .addReg(LoReg);
-  BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_fpodd))
-    .addReg(HiReg);
+
+  if (FP64)
+    BuildMI(MBB, I, dl, get(Mips::MTHC1), TRI.getSubReg(DstReg, Mips::sub_hi))
+      .addReg(HiReg);
+  else
+    BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_hi))
+      .addReg(HiReg);
 }
 
 /// Add 4 to the displacement of operand MO.
@@ -486,8 +516,8 @@ void MipsSEInstrInfo::expandDPLoadStore(MachineBasicBlock &MBB,
 
   const TargetRegisterInfo &TRI = getRegisterInfo();
   const MachineOperand &ValReg = I->getOperand(0);
-  unsigned LoReg = TRI.getSubReg(ValReg.getReg(), Mips::sub_fpeven);
-  unsigned HiReg = TRI.getSubReg(ValReg.getReg(), Mips::sub_fpodd);
+  unsigned LoReg = TRI.getSubReg(ValReg.getReg(), Mips::sub_lo);
+  unsigned HiReg = TRI.getSubReg(ValReg.getReg(), Mips::sub_hi);
 
   if (!TM.getSubtarget<MipsSubtarget>().isLittle())
     std::swap(LoReg, HiReg);