[llvm-commits] [llvm] r157493 - in /llvm/trunk/lib/Target/Mips: MipsAsmPrinter.cpp MipsMCInstLower.cpp MipsMCInstLower.h

[Akira Hatanaka]

Author: ahatanak
Date: Fri May 25 15:42:55 2012
New Revision: 157493

URL: http://llvm.org/viewvc/llvm-project?rev=157493&view=rev
Log:
Remove the code that emits MIPS' .cprestore directive.


Modified:
    llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
    llvm/trunk/lib/Target/Mips/MipsMCInstLower.cpp
    llvm/trunk/lib/Target/Mips/MipsMCInstLower.h

Modified: llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp?rev=157493&r1=157492&r2=157493&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp Fri May 25 15:42:55 2012
@@ -112,28 +112,6 @@
 
     return;
   }
-  case Mips::CPRESTORE: {
-    const MachineOperand &MO = MI->getOperand(0);
-    assert(MO.isImm() && "CPRESTORE's operand must be an immediate.");
-    int64_t Offset = MO.getImm();
-
-    if (OutStreamer.hasRawTextSupport()) {
-      if (!isInt<16>(Offset)) {
-        EmitInstrWithMacroNoAT(MI);
-        return;
-      }
-    } else {
-      MCInstLowering.LowerCPRESTORE(Offset, MCInsts);
-
-      for (SmallVector<MCInst, 4>::iterator I = MCInsts.begin();
-           I != MCInsts.end(); ++I)
-        OutStreamer.EmitInstruction(*I);
-
-      return;
-    }
-
-    break;
-  }
   default:
     break;
   }

Modified: llvm/trunk/lib/Target/Mips/MipsMCInstLower.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsMCInstLower.cpp?rev=157493&r1=157492&r2=157493&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsMCInstLower.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsMCInstLower.cpp Fri May 25 15:42:55 2012
@@ -140,33 +140,6 @@
   CreateMCInst(MCInsts[2], Mips::ADDu, GPReg, GPReg, T9Reg);
 }
 
-// Lower ".cprestore offset" to "sw $gp, offset($sp)".
-void MipsMCInstLower::LowerCPRESTORE(int64_t Offset,
-                                     SmallVector<MCInst, 4>& MCInsts) {
-  assert(isInt<32>(Offset) && (Offset >= 0) &&
-         "Imm operand of .cprestore must be a non-negative 32-bit value.");
-
-  MCOperand SPReg = MCOperand::CreateReg(Mips::SP), BaseReg = SPReg;
-  MCOperand GPReg = MCOperand::CreateReg(Mips::GP);
-
-  if (!isInt<16>(Offset)) {
-    unsigned Hi = ((Offset + 0x8000) >> 16) & 0xffff;
-    Offset &= 0xffff;
-    MCOperand ATReg = MCOperand::CreateReg(Mips::AT);
-    BaseReg = ATReg;
-
-    // lui   at,hi
-    // addu  at,at,sp
-    MCInsts.resize(2);
-    CreateMCInst(MCInsts[0], Mips::LUi, ATReg, MCOperand::CreateImm(Hi));
-    CreateMCInst(MCInsts[1], Mips::ADDu, ATReg, ATReg, SPReg);
-  }
-
-  MCInst Sw;
-  CreateMCInst(Sw, Mips::SW, GPReg, BaseReg, MCOperand::CreateImm(Offset));
-  MCInsts.push_back(Sw);
-}
-
 MCOperand MipsMCInstLower::LowerOperand(const MachineOperand& MO,
                                         unsigned offset) const {
   MachineOperandType MOTy = MO.getType();

Modified: llvm/trunk/lib/Target/Mips/MipsMCInstLower.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsMCInstLower.h?rev=157493&r1=157492&r2=157493&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsMCInstLower.h (original)
+++ llvm/trunk/lib/Target/Mips/MipsMCInstLower.h Fri May 25 15:42:55 2012
@@ -34,7 +34,6 @@
   void Initialize(Mangler *mang, MCContext* C);
   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
   void LowerCPLOAD(SmallVector<MCInst, 4>& MCInsts);
-  void LowerCPRESTORE(int64_t Offset, SmallVector<MCInst, 4>& MCInsts);
   void LowerUnalignedLoadStore(const MachineInstr *MI,
                                SmallVector<MCInst, 4>& MCInsts);
   void LowerSETGP01(SmallVector<MCInst, 4>& MCInsts);