[llvm-commits] [llvm] r128635 - in /llvm/trunk: lib/Target/ARM/ARMAddressingModes.h lib/Target/ARM/ARMBaseInfo.h lib/Target/ARM/ARMBaseInstrInfo.h lib/Target/ARM/ARMInstrFormats.td lib/Target/ARM/ARMInstrInfo.td lib/Target/ARM/AsmParser/ARMAsmPar

Daniel Dunbar daniel at zuster.org
Thu Mar 31 10:06:24 PDT 2011


Hi Bruno,

FYI, you removed all the contents of arm_addrmode2.s, but didn't
remove the file. This means the test will fail, because it is empty.

I removed the file in r128640.

 - Daniel


On Thu, Mar 31, 2011 at 8:54 AM, Bruno Cardoso Lopes
<bruno.cardoso at gmail.com> wrote:
> Author: bruno
> Date: Thu Mar 31 10:54:36 2011
> New Revision: 128635
>
> URL: http://llvm.org/viewvc/llvm-project?rev=128635&view=rev
> Log:
> Revert r128632 again, until I figure out what break the tests
>
> Modified:
>    llvm/trunk/lib/Target/ARM/ARMAddressingModes.h
>    llvm/trunk/lib/Target/ARM/ARMBaseInfo.h
>    llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h
>    llvm/trunk/lib/Target/ARM/ARMInstrFormats.td
>    llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
>    llvm/trunk/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
>    llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp
>    llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
>    llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.h
>    llvm/trunk/test/MC/ARM/arm_addrmode2.s
>
> Modified: llvm/trunk/lib/Target/ARM/ARMAddressingModes.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMAddressingModes.h?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMAddressingModes.h (original)
> +++ llvm/trunk/lib/Target/ARM/ARMAddressingModes.h Thu Mar 31 10:54:36 2011
> @@ -408,18 +408,16 @@
>   //
>   // The first operand is always a Reg.  The second operand is a reg if in
>   // reg/reg form, otherwise it's reg#0.  The third field encodes the operation
> -  // in bit 12, the immediate in bits 0-11, and the shift op in 13-15. The
> -  // forth operand 16-17 encodes the index mode.
> +  // in bit 12, the immediate in bits 0-11, and the shift op in 13-15.
>   //
>   // If this addressing mode is a frame index (before prolog/epilog insertion
>   // and code rewriting), this operand will have the form:  FI#, reg0, <offs>
>   // with no shift amount for the frame offset.
>   //
> -  static inline unsigned getAM2Opc(AddrOpc Opc, unsigned Imm12, ShiftOpc SO,
> -                                   unsigned IdxMode = 0) {
> +  static inline unsigned getAM2Opc(AddrOpc Opc, unsigned Imm12, ShiftOpc SO) {
>     assert(Imm12 < (1 << 12) && "Imm too large!");
>     bool isSub = Opc == sub;
> -    return Imm12 | ((int)isSub << 12) | (SO << 13) | (IdxMode << 16) ;
> +    return Imm12 | ((int)isSub << 12) | (SO << 13);
>   }
>   static inline unsigned getAM2Offset(unsigned AM2Opc) {
>     return AM2Opc & ((1 << 12)-1);
> @@ -428,10 +426,7 @@
>     return ((AM2Opc >> 12) & 1) ? sub : add;
>   }
>   static inline ShiftOpc getAM2ShiftOpc(unsigned AM2Opc) {
> -    return (ShiftOpc)((AM2Opc >> 13) & 7);
> -  }
> -  static inline unsigned getAM2IdxMode(unsigned AM2Opc) {
> -    return (AM2Opc >> 16);
> +    return (ShiftOpc)(AM2Opc >> 13);
>   }
>
>
>
> Modified: llvm/trunk/lib/Target/ARM/ARMBaseInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMBaseInfo.h?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMBaseInfo.h (original)
> +++ llvm/trunk/lib/Target/ARM/ARMBaseInfo.h Thu Mar 31 10:54:36 2011
> @@ -200,59 +200,6 @@
>  }
>
>  namespace ARMII {
> -
> -  /// ARM Index Modes
> -  enum IndexMode {
> -    IndexModeNone  = 0,
> -    IndexModePre   = 1,
> -    IndexModePost  = 2,
> -    IndexModeUpd   = 3
> -  };
> -
> -  /// ARM Addressing Modes
> -  enum AddrMode {
> -    AddrModeNone    = 0,
> -    AddrMode1       = 1,
> -    AddrMode2       = 2,
> -    AddrMode3       = 3,
> -    AddrMode4       = 4,
> -    AddrMode5       = 5,
> -    AddrMode6       = 6,
> -    AddrModeT1_1    = 7,
> -    AddrModeT1_2    = 8,
> -    AddrModeT1_4    = 9,
> -    AddrModeT1_s    = 10, // i8 * 4 for pc and sp relative data
> -    AddrModeT2_i12  = 11,
> -    AddrModeT2_i8   = 12,
> -    AddrModeT2_so   = 13,
> -    AddrModeT2_pc   = 14, // +/- i12 for pc relative data
> -    AddrModeT2_i8s4 = 15, // i8 * 4
> -    AddrMode_i12    = 16
> -  };
> -
> -  inline static const char *AddrModeToString(AddrMode addrmode) {
> -    switch (addrmode) {
> -    default: llvm_unreachable("Unknown memory operation");
> -    case AddrModeNone:    return "AddrModeNone";
> -    case AddrMode1:       return "AddrMode1";
> -    case AddrMode2:       return "AddrMode2";
> -    case AddrMode3:       return "AddrMode3";
> -    case AddrMode4:       return "AddrMode4";
> -    case AddrMode5:       return "AddrMode5";
> -    case AddrMode6:       return "AddrMode6";
> -    case AddrModeT1_1:    return "AddrModeT1_1";
> -    case AddrModeT1_2:    return "AddrModeT1_2";
> -    case AddrModeT1_4:    return "AddrModeT1_4";
> -    case AddrModeT1_s:    return "AddrModeT1_s";
> -    case AddrModeT2_i12:  return "AddrModeT2_i12";
> -    case AddrModeT2_i8:   return "AddrModeT2_i8";
> -    case AddrModeT2_so:   return "AddrModeT2_so";
> -    case AddrModeT2_pc:   return "AddrModeT2_pc";
> -    case AddrModeT2_i8s4: return "AddrModeT2_i8s4";
> -    case AddrMode_i12:    return "AddrMode_i12";
> -    }
> -  }
> -
>   /// Target Operand Flag enum.
>   enum TOF {
>     //===------------------------------------------------------------------===//
>
> Modified: llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h (original)
> +++ llvm/trunk/lib/Target/ARM/ARMBaseInstrInfo.h Thu Mar 31 10:54:36 2011
> @@ -34,7 +34,25 @@
>
>     //===------------------------------------------------------------------===//
>     // This four-bit field describes the addressing mode used.
> -    AddrModeMask  = 0x1f, // The AddrMode enums are declared in ARMBaseInfo.h
> +
> +    AddrModeMask  = 0x1f,
> +    AddrModeNone    = 0,
> +    AddrMode1       = 1,
> +    AddrMode2       = 2,
> +    AddrMode3       = 3,
> +    AddrMode4       = 4,
> +    AddrMode5       = 5,
> +    AddrMode6       = 6,
> +    AddrModeT1_1    = 7,
> +    AddrModeT1_2    = 8,
> +    AddrModeT1_4    = 9,
> +    AddrModeT1_s    = 10, // i8 * 4 for pc and sp relative data
> +    AddrModeT2_i12  = 11,
> +    AddrModeT2_i8   = 12,
> +    AddrModeT2_so   = 13,
> +    AddrModeT2_pc   = 14, // +/- i12 for pc relative data
> +    AddrModeT2_i8s4 = 15, // i8 * 4
> +    AddrMode_i12    = 16,
>
>     // Size* - Flags to keep track of the size of an instruction.
>     SizeShift     = 5,
> @@ -46,9 +64,11 @@
>
>     // IndexMode - Unindex, pre-indexed, or post-indexed are valid for load
>     // and store ops only.  Generic "updating" flag is used for ld/st multiple.
> -    // The index mode enums are declared in ARMBaseInfo.h
>     IndexModeShift = 8,
>     IndexModeMask  = 3 << IndexModeShift,
> +    IndexModePre   = 1,
> +    IndexModePost  = 2,
> +    IndexModeUpd   = 3,
>
>     //===------------------------------------------------------------------===//
>     // Instruction encoding formats.
>
> Modified: llvm/trunk/lib/Target/ARM/ARMInstrFormats.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrFormats.td?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMInstrFormats.td (original)
> +++ llvm/trunk/lib/Target/ARM/ARMInstrFormats.td Thu Mar 31 10:54:36 2011
> @@ -515,15 +515,15 @@
>   : AI2ldstidx<0, isByte, isPre, oops, iops, im, f, itin, opc, asm, cstr,
>                pattern> {
>   // AM2 store w/ two operands: (GPR, am2offset)
> -  // {17-14}  Rn
>   // {13}     1 == Rm, 0 == imm12
>   // {12}     isAdd
>   // {11-0}   imm12/Rm
> -  bits<18> addr;
> -  let Inst{25} = addr{13};
> -  let Inst{23} = addr{12};
> -  let Inst{19-16} = addr{17-14};
> -  let Inst{11-0} = addr{11-0};
> +  bits<14> offset;
> +  bits<4> Rn;
> +  let Inst{25} = offset{13};
> +  let Inst{23} = offset{12};
> +  let Inst{19-16} = Rn;
> +  let Inst{11-0} = offset{11-0};
>  }
>
>  // addrmode3 instructions
>
> Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.td?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
> +++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Thu Mar 31 10:54:36 2011
> @@ -498,12 +498,6 @@
>   let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
>  }
>
> -def MemMode2AsmOperand : AsmOperandClass {
> -  let Name = "MemMode2";
> -  let SuperClasses = [];
> -  let ParserMethod = "tryParseMemMode2Operand";
> -}
> -
>  // addrmode2 := reg +/- imm12
>  //           := reg +/- reg shop imm
>  //
> @@ -511,7 +505,6 @@
>                 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
>   let EncoderMethod = "getAddrMode2OpValue";
>   let PrintMethod = "printAddrMode2Operand";
> -  let ParserMatchClass = MemMode2AsmOperand;
>   let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
>  }
>
> @@ -1663,21 +1656,20 @@
>     let Inst{23} = addr{12};
>     let Inst{19-16} = addr{17-14};
>     let Inst{11-0} = addr{11-0};
> -    let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
>   }
>   def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
> -                      (ins addrmode2:$addr), IndexModePost, LdFrm, itin,
> -                      opc, "\t$Rt, $addr", "$addr.base = $Rn_wb", []> {
> -    // {17-14}  Rn
> +                      (ins GPR:$Rn, am2offset:$offset),
> +                      IndexModePost, LdFrm, itin,
> +                      opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
>     // {13}     1 == Rm, 0 == imm12
>     // {12}     isAdd
>     // {11-0}   imm12/Rm
> -    bits<18> addr;
> -    let Inst{25} = addr{13};
> -    let Inst{23} = addr{12};
> -    let Inst{19-16} = addr{17-14};
> -    let Inst{11-0} = addr{11-0};
> -    let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
> +    bits<14> offset;
> +    bits<4> Rn;
> +    let Inst{25} = offset{13};
> +    let Inst{23} = offset{12};
> +    let Inst{19-16} = Rn;
> +    let Inst{11-0} = offset{11-0};
>   }
>  }
>
> @@ -1722,35 +1714,17 @@
>
>  // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
>  let mayLoad = 1, neverHasSideEffects = 1 in {
> -def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
> -                   (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
> -                   "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
> -  // {17-14}  Rn
> -  // {13}     1 == Rm, 0 == imm12
> -  // {12}     isAdd
> -  // {11-0}   imm12/Rm
> -  bits<18> addr;
> -  let Inst{25} = addr{13};
> -  let Inst{23} = addr{12};
> +def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
> +                   (ins GPR:$base, am2offset:$offset), IndexModePost,
> +                   LdFrm, IIC_iLoad_ru,
> +                   "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
>   let Inst{21} = 1; // overwrite
> -  let Inst{19-16} = addr{17-14};
> -  let Inst{11-0} = addr{11-0};
> -  let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
> -}
> -def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
> -                  (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
> -                  "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
> -  // {17-14}  Rn
> -  // {13}     1 == Rm, 0 == imm12
> -  // {12}     isAdd
> -  // {11-0}   imm12/Rm
> -  bits<18> addr;
> -  let Inst{25} = addr{13};
> -  let Inst{23} = addr{12};
> +}
> +def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
> +                  (ins GPR:$base, am2offset:$offset), IndexModePost,
> +                  LdFrm, IIC_iLoad_bh_ru,
> +                  "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
>   let Inst{21} = 1; // overwrite
> -  let Inst{19-16} = addr{17-14};
> -  let Inst{11-0} = addr{11-0};
> -  let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
>  }
>  def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
>                  (ins GPR:$base, am3offset:$offset), IndexModePost,
> @@ -1844,20 +1818,20 @@
>
>  // STRT, STRBT, and STRHT are for disassembly only.
>
> -def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
> +def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
> +                    (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
>                     IndexModePost, StFrm, IIC_iStore_ru,
> -                    "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
> +                    "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
>                     [/* For disassembly only; pattern left blank */]> {
>   let Inst{21} = 1; // overwrite
> -  let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
>  }
>
> -def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
> +def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
> +                     (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
>                      IndexModePost, StFrm, IIC_iStore_bh_ru,
> -                     "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
> +                     "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
>                      [/* For disassembly only; pattern left blank */]> {
>   let Inst{21} = 1; // overwrite
> -  let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
>  }
>
>  def STRHT: AI3sthpo<(outs GPR:$base_wb),
> @@ -3417,9 +3391,8 @@
>   let Inst{23-20} = opc1;
>  }
>
> -class ACI<dag oops, dag iops, string opc, string asm,
> -          IndexMode im = IndexModeNone>
> -  : I<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
> +class ACI<dag oops, dag iops, string opc, string asm>
> +  : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
>       opc, asm, "", [/* For disassembly only; pattern left blank */]> {
>   let Inst{27-25} = 0b110;
>  }
> @@ -3438,7 +3411,7 @@
>
>   def _PRE : ACI<(outs),
>       (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
> -      opc, "\tp$cop, cr$CRd, $addr!", IndexModePre> {
> +      opc, "\tp$cop, cr$CRd, $addr!"> {
>     let Inst{31-28} = op31_28;
>     let Inst{24} = 1; // P = 1
>     let Inst{21} = 1; // W = 1
> @@ -3447,8 +3420,8 @@
>   }
>
>   def _POST : ACI<(outs),
> -      (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
> -      opc, "\tp$cop, cr$CRd, $addr", IndexModePost> {
> +      (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
> +      opc, "\tp$cop, cr$CRd, [$base], $offset"> {
>     let Inst{31-28} = op31_28;
>     let Inst{24} = 0; // P = 0
>     let Inst{21} = 1; // W = 1
> @@ -3479,7 +3452,7 @@
>
>   def L_PRE : ACI<(outs),
>       (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
> -      !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
> +      !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
>     let Inst{31-28} = op31_28;
>     let Inst{24} = 1; // P = 1
>     let Inst{21} = 1; // W = 1
> @@ -3488,8 +3461,8 @@
>   }
>
>   def L_POST : ACI<(outs),
> -      (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
> -      !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr", IndexModePost> {
> +      (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
> +      !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
>     let Inst{31-28} = op31_28;
>     let Inst{24} = 0; // P = 0
>     let Inst{21} = 1; // W = 1
>
> Modified: llvm/trunk/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/AsmParser/ARMAsmParser.cpp?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/AsmParser/ARMAsmParser.cpp (original)
> +++ llvm/trunk/lib/Target/ARM/AsmParser/ARMAsmParser.cpp Thu Mar 31 10:54:36 2011
> @@ -48,8 +48,7 @@
>   bool TryParseRegisterWithWriteBack(SmallVectorImpl<MCParsedAsmOperand*> &);
>   bool TryParseShiftRegister(SmallVectorImpl<MCParsedAsmOperand*> &);
>   bool ParseRegisterList(SmallVectorImpl<MCParsedAsmOperand*> &);
> -  bool ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &,
> -                   ARMII::AddrMode AddrMode);
> +  bool ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &);
>   bool ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &, StringRef Mnemonic);
>   bool ParsePrefix(ARMMCExpr::VariantKind &RefKind);
>   const MCExpr *ApplyPrefixToExpr(const MCExpr *E,
> @@ -96,14 +95,6 @@
>     SmallVectorImpl<MCParsedAsmOperand*>&);
>   OperandMatchResultTy tryParseMSRMaskOperand(
>     SmallVectorImpl<MCParsedAsmOperand*>&);
> -  OperandMatchResultTy tryParseMemMode2Operand(
> -    SmallVectorImpl<MCParsedAsmOperand*>&);
> -
> -  // Asm Match Converter Methods
> -  bool CvtLdWriteBackRegAddrMode2(MCInst &Inst, unsigned Opcode,
> -                                  const SmallVectorImpl<MCParsedAsmOperand*> &);
> -  bool CvtStWriteBackRegAddrMode2(MCInst &Inst, unsigned Opcode,
> -                                  const SmallVectorImpl<MCParsedAsmOperand*> &);
>
>  public:
>   ARMAsmParser(const Target &T, MCAsmParser &_Parser, TargetMachine &_TM)
> @@ -181,7 +172,6 @@
>
>     /// Combined record for all forms of ARM address expressions.
>     struct {
> -      ARMII::AddrMode AddrMode;
>       unsigned BaseRegNum;
>       union {
>         unsigned RegNum;     ///< Offset register num, when OffsetIsReg.
> @@ -303,9 +293,7 @@
>
>   /// @name Memory Operand Accessors
>   /// @{
> -  ARMII::AddrMode getMemAddrMode() const {
> -    return Mem.AddrMode;
> -  }
> +
>   unsigned getMemBaseRegNum() const {
>     return Mem.BaseRegNum;
>   }
> @@ -350,27 +338,6 @@
>   bool isMemBarrierOpt() const { return Kind == MemBarrierOpt; }
>   bool isMemory() const { return Kind == Memory; }
>   bool isShifter() const { return Kind == Shifter; }
> -  bool isMemMode2() const {
> -    if (getMemAddrMode() != ARMII::AddrMode2)
> -      return false;
> -
> -    if (getMemOffsetIsReg())
> -      return true;
> -
> -    if (getMemNegative() &&
> -        !(getMemPostindexed() || getMemPreindexed()))
> -      return false;
> -
> -    const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getMemOffset());
> -    if (!CE) return false;
> -    int64_t Value = CE->getValue();
> -
> -    // The offset must be in the range 0-4095 (imm12).
> -    if (Value > 4095 || Value < -4095)
> -      return false;
> -
> -    return true;
> -  }
>   bool isMemMode5() const {
>     if (!isMemory() || getMemOffsetIsReg() || getMemWriteback() ||
>         getMemNegative())
> @@ -498,47 +465,6 @@
>            "No offset operand support in mode 7");
>   }
>
> -  void addMemMode2Operands(MCInst &Inst, unsigned N) const {
> -    assert(isMemMode2() && "Invalid mode or number of operands!");
> -    Inst.addOperand(MCOperand::CreateReg(getMemBaseRegNum()));
> -    unsigned IdxMode = (getMemPreindexed() | getMemPostindexed() << 1);
> -
> -    if (getMemOffsetIsReg()) {
> -      Inst.addOperand(MCOperand::CreateReg(getMemOffsetRegNum()));
> -
> -      ARM_AM::AddrOpc AMOpc = getMemNegative() ? ARM_AM::sub : ARM_AM::add;
> -      ARM_AM::ShiftOpc ShOpc = ARM_AM::no_shift;
> -      int64_t ShiftAmount = 0;
> -
> -      if (getMemOffsetRegShifted()) {
> -        ShOpc = getMemShiftType();
> -        const MCConstantExpr *CE =
> -                   dyn_cast<MCConstantExpr>(getMemShiftAmount());
> -        ShiftAmount = CE->getValue();
> -      }
> -
> -      Inst.addOperand(MCOperand::CreateImm(ARM_AM::getAM2Opc(AMOpc, ShiftAmount,
> -                                           ShOpc, IdxMode)));
> -      return;
> -    }
> -
> -    // Create a operand placeholder to always yield the same number of operands.
> -    Inst.addOperand(MCOperand::CreateReg(0));
> -
> -    // FIXME: #-0 is encoded differently than #0. Does the parser preserve
> -    // the difference?
> -    const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getMemOffset());
> -    assert(CE && "Non-constant mode 2 offset operand!");
> -    int64_t Offset = CE->getValue();
> -
> -    if (Offset >= 0)
> -      Inst.addOperand(MCOperand::CreateImm(ARM_AM::getAM2Opc(ARM_AM::add,
> -                                           Offset, ARM_AM::no_shift, IdxMode)));
> -    else
> -      Inst.addOperand(MCOperand::CreateImm(ARM_AM::getAM2Opc(ARM_AM::sub,
> -                                          -Offset, ARM_AM::no_shift, IdxMode)));
> -  }
> -
>   void addMemMode5Operands(MCInst &Inst, unsigned N) const {
>     assert(N == 2 && isMemMode5() && "Invalid number of operands!");
>
> @@ -673,9 +599,9 @@
>     return Op;
>   }
>
> -  static ARMOperand *CreateMem(ARMII::AddrMode AddrMode, unsigned BaseRegNum,
> -                               bool OffsetIsReg, const MCExpr *Offset,
> -                               int OffsetRegNum, bool OffsetRegShifted,
> +  static ARMOperand *CreateMem(unsigned BaseRegNum, bool OffsetIsReg,
> +                               const MCExpr *Offset, int OffsetRegNum,
> +                               bool OffsetRegShifted,
>                                enum ARM_AM::ShiftOpc ShiftType,
>                                const MCExpr *ShiftAmount, bool Preindexed,
>                                bool Postindexed, bool Negative, bool Writeback,
> @@ -692,7 +618,6 @@
>            "Cannot have expression offset and register offset!");
>
>     ARMOperand *Op = new ARMOperand(Memory);
> -    Op->Mem.AddrMode = AddrMode;
>     Op->Mem.BaseRegNum = BaseRegNum;
>     Op->Mem.OffsetIsReg = OffsetIsReg;
>     if (OffsetIsReg)
> @@ -764,8 +689,7 @@
>     break;
>   case Memory:
>     OS << "<memory "
> -       << "am:" << ARMII::AddrModeToString(getMemAddrMode())
> -       << " base:" << getMemBaseRegNum();
> +       << "base:" << getMemBaseRegNum();
>     if (getMemOffsetIsReg()) {
>       OS << " offset:<register " << getMemOffsetRegNum();
>       if (getMemOffsetRegShifted()) {
> @@ -1208,57 +1132,13 @@
>   return MatchOperand_Success;
>  }
>
> -/// tryParseMemMode2Operand - Try to parse memory addressing mode 2 operand.
> -ARMAsmParser::OperandMatchResultTy ARMAsmParser::
> -tryParseMemMode2Operand(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
> -  SMLoc S = Parser.getTok().getLoc();
> -  const AsmToken &Tok = Parser.getTok();
> -  assert(Tok.is(AsmToken::LBrac) && "Token is not a \"[\"");
> -
> -  if (ParseMemory(Operands, ARMII::AddrMode2))
> -    return MatchOperand_NoMatch;
> -
> -  return MatchOperand_Success;
> -}
> -
> -/// CvtLdWriteBackRegAddrMode2 - Convert parsed operands to MCInst.
> -/// Needed here because the Asm Gen Matcher can't handle properly tied operands
> -/// when they refer multiple MIOperands inside a single one.
> -bool ARMAsmParser::
> -CvtLdWriteBackRegAddrMode2(MCInst &Inst, unsigned Opcode,
> -                         const SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
> -  ((ARMOperand*)Operands[2])->addRegOperands(Inst, 1);
> -
> -  // Create a writeback register dummy placeholder.
> -  Inst.addOperand(MCOperand::CreateImm(0));
> -
> -  ((ARMOperand*)Operands[3])->addMemMode2Operands(Inst, 3);
> -  ((ARMOperand*)Operands[1])->addCondCodeOperands(Inst, 2);
> -  return true;
> -}
> -
> -/// CvtStWriteBackRegAddrMode2 - Convert parsed operands to MCInst.
> -/// Needed here because the Asm Gen Matcher can't handle properly tied operands
> -/// when they refer multiple MIOperands inside a single one.
> -bool ARMAsmParser::
> -CvtStWriteBackRegAddrMode2(MCInst &Inst, unsigned Opcode,
> -                         const SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
> -  // Create a writeback register dummy placeholder.
> -  Inst.addOperand(MCOperand::CreateImm(0));
> -  ((ARMOperand*)Operands[2])->addRegOperands(Inst, 1);
> -  ((ARMOperand*)Operands[3])->addMemMode2Operands(Inst, 3);
> -  ((ARMOperand*)Operands[1])->addCondCodeOperands(Inst, 2);
> -  return true;
> -}
> -
>  /// Parse an ARM memory expression, return false if successful else return true
>  /// or an error.  The first token must be a '[' when called.
>  ///
>  /// TODO Only preindexing and postindexing addressing are started, unindexed
>  /// with option, etc are still to do.
>  bool ARMAsmParser::
> -ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
> -            ARMII::AddrMode AddrMode = ARMII::AddrModeNone) {
> +ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
>   SMLoc S, E;
>   assert(Parser.getTok().is(AsmToken::LBrac) &&
>          "Token is not a Left Bracket");
> @@ -1316,9 +1196,6 @@
>                                      ExclaimTok.getLoc());
>       Writeback = true;
>       Parser.Lex(); // Eat exclaim token
> -    } else { // In addressing mode 2, pre-indexed mode always end with "!"
> -      if (AddrMode == ARMII::AddrMode2)
> -        Preindexed = false;
>     }
>   } else {
>     // The "[Rn" we have so far was not followed by a comma.
> @@ -1354,10 +1231,11 @@
>       Offset = MCConstantExpr::Create(0, getContext());
>   }
>
> -  Operands.push_back(ARMOperand::CreateMem(AddrMode, BaseRegNum, OffsetIsReg,
> -                                     Offset, OffsetRegNum, OffsetRegShifted,
> -                                     ShiftType, ShiftAmount, Preindexed,
> -                                     Postindexed, Negative, Writeback, S, E));
> +  Operands.push_back(ARMOperand::CreateMem(BaseRegNum, OffsetIsReg, Offset,
> +                                           OffsetRegNum, OffsetRegShifted,
> +                                           ShiftType, ShiftAmount, Preindexed,
> +                                           Postindexed, Negative, Writeback,
> +                                           S, E));
>   if (WBOp)
>     Operands.push_back(WBOp);
>
>
> Modified: llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp (original)
> +++ llvm/trunk/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp Thu Mar 31 10:54:36 2011
> @@ -643,11 +643,8 @@
>     if (PW) {
>       MI.addOperand(MCOperand::CreateReg(0));
>       ARM_AM::AddrOpc AddrOpcode = getUBit(insn) ? ARM_AM::add : ARM_AM::sub;
> -      const TargetInstrDesc &TID = ARMInsts[Opcode];
> -      unsigned IndexMode =
> -                  (TID.TSFlags & ARMII::IndexModeMask) >> ARMII::IndexModeShift;
>       unsigned Offset = ARM_AM::getAM2Opc(AddrOpcode, slice(insn, 7, 0) << 2,
> -                                          ARM_AM::no_shift, IndexMode);
> +                                          ARM_AM::no_shift);
>       MI.addOperand(MCOperand::CreateImm(Offset));
>       OpIdx = 5;
>     } else {
> @@ -1076,8 +1073,6 @@
>     return false;
>
>   ARM_AM::AddrOpc AddrOpcode = getUBit(insn) ? ARM_AM::add : ARM_AM::sub;
> -  unsigned IndexMode =
> -               (TID.TSFlags & ARMII::IndexModeMask) >> ARMII::IndexModeShift;
>   if (getIBit(insn) == 0) {
>     // For pre- and post-indexed case, add a reg0 operand (Addressing Mode #2).
>     // Otherwise, skip the reg operand since for addrmode_imm12, Rn has already
> @@ -1089,8 +1084,7 @@
>
>     // Disassemble the 12-bit immediate offset.
>     unsigned Imm12 = slice(insn, 11, 0);
> -    unsigned Offset = ARM_AM::getAM2Opc(AddrOpcode, Imm12, ARM_AM::no_shift,
> -                                        IndexMode);
> +    unsigned Offset = ARM_AM::getAM2Opc(AddrOpcode, Imm12, ARM_AM::no_shift);
>     MI.addOperand(MCOperand::CreateImm(Offset));
>     OpIdx += 1;
>   } else {
> @@ -1105,7 +1099,7 @@
>     // A8.4.1.  Possible rrx or shift amount of 32...
>     getImmShiftSE(ShOp, ShImm);
>     MI.addOperand(MCOperand::CreateImm(
> -                    ARM_AM::getAM2Opc(AddrOpcode, ShImm, ShOp, IndexMode)));
> +                    ARM_AM::getAM2Opc(AddrOpcode, ShImm, ShOp)));
>     OpIdx += 2;
>   }
>
>
> Modified: llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp Thu Mar 31 10:54:36 2011
> @@ -181,12 +181,18 @@
>   }
>  }
>
> -void ARMInstPrinter::printAM2PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
> -                                                raw_ostream &O) {
> +
> +void ARMInstPrinter::printAddrMode2Operand(const MCInst *MI, unsigned Op,
> +                                           raw_ostream &O) {
>   const MCOperand &MO1 = MI->getOperand(Op);
>   const MCOperand &MO2 = MI->getOperand(Op+1);
>   const MCOperand &MO3 = MI->getOperand(Op+2);
>
> +  if (!MO1.isReg()) {   // FIXME: This is for CP entries, but isn't right.
> +    printOperand(MI, Op, O);
> +    return;
> +  }
> +
>   O << "[" << getRegisterName(MO1.getReg());
>
>   if (!MO2.getReg()) {
> @@ -209,50 +215,6 @@
>   O << "]";
>  }
>
> -void ARMInstPrinter::printAM2PostIndexOp(const MCInst *MI, unsigned Op,
> -                                         raw_ostream &O) {
> -  const MCOperand &MO1 = MI->getOperand(Op);
> -  const MCOperand &MO2 = MI->getOperand(Op+1);
> -  const MCOperand &MO3 = MI->getOperand(Op+2);
> -
> -  O << "[" << getRegisterName(MO1.getReg()) << "], ";
> -
> -  if (!MO2.getReg()) {
> -    unsigned ImmOffs = ARM_AM::getAM2Offset(MO3.getImm());
> -    O << '#'
> -      << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO3.getImm()))
> -      << ImmOffs;
> -    return;
> -  }
> -
> -  O << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO3.getImm()))
> -    << getRegisterName(MO2.getReg());
> -
> -  if (unsigned ShImm = ARM_AM::getAM2Offset(MO3.getImm()))
> -    O << ", "
> -    << ARM_AM::getShiftOpcStr(ARM_AM::getAM2ShiftOpc(MO3.getImm()))
> -    << " #" << ShImm;
> -}
> -
> -void ARMInstPrinter::printAddrMode2Operand(const MCInst *MI, unsigned Op,
> -                                           raw_ostream &O) {
> -  const MCOperand &MO1 = MI->getOperand(Op);
> -
> -  if (!MO1.isReg()) {   // FIXME: This is for CP entries, but isn't right.
> -    printOperand(MI, Op, O);
> -    return;
> -  }
> -
> -  const MCOperand &MO3 = MI->getOperand(Op+2);
> -  unsigned IdxMode = ARM_AM::getAM2IdxMode(MO3.getImm());
> -
> -  if (IdxMode == ARMII::IndexModePost) {
> -    printAM2PostIndexOp(MI, Op, O);
> -    return;
> -  }
> -  printAM2PreOrOffsetIndexOp(MI, Op, O);
> -}
> -
>  void ARMInstPrinter::printAddrMode2OffsetOperand(const MCInst *MI,
>                                                  unsigned OpNum,
>                                                  raw_ostream &O) {
>
> Modified: llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.h?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.h (original)
> +++ llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.h Thu Mar 31 10:54:36 2011
> @@ -42,11 +42,7 @@
>   void printSOImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
>
>   void printSORegOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
> -
>   void printAddrMode2Operand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
> -  void printAM2PostIndexOp(const MCInst *MI, unsigned OpNum, raw_ostream &O);
> -  void printAM2PreOrOffsetIndexOp(const MCInst *MI, unsigned OpNum,
> -                                  raw_ostream &O);
>   void printAddrMode2OffsetOperand(const MCInst *MI, unsigned OpNum,
>                                    raw_ostream &O);
>   void printAddrMode3Operand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
>
> Modified: llvm/trunk/test/MC/ARM/arm_addrmode2.s
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/ARM/arm_addrmode2.s?rev=128635&r1=128634&r2=128635&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/ARM/arm_addrmode2.s (original)
> +++ llvm/trunk/test/MC/ARM/arm_addrmode2.s Thu Mar 31 10:54:36 2011
> @@ -1,38 +0,0 @@
> -@ RUN: llvm-mc -mcpu=cortex-a8 -triple arm-unknown-unknown -show-encoding %s | FileCheck %s
> -
> -@ Post-indexed
> -@ CHECK: ldrt  r1, [r0], r2 @ encoding: [0x02,0x10,0xb0,0xe6]
> -@ CHECK: ldrt  r1, [r0], r2, lsr #3 @ encoding: [0xa2,0x11,0xb0,0xe6]
> -@ CHECK: ldrt  r1, [r0], #4 @ encoding: [0x04,0x10,0xb0,0xe4]
> -@ CHECK: ldrbt  r1, [r0], r2 @ encoding: [0x02,0x10,0xf0,0xe6]
> -@ CHECK: ldrbt  r1, [r0], r2, lsr #3 @ encoding: [0xa2,0x11,0xf0,0xe6]
> -@ CHECK: ldrbt  r1, [r0], #4 @ encoding: [0x04,0x10,0xf0,0xe4]
> -@ CHECK: strt  r1, [r0], r2 @ encoding: [0x02,0x10,0xa0,0xe6]
> -@ CHECK: strt  r1, [r0], r2, lsr #3 @ encoding: [0xa2,0x11,0xa0,0xe6]
> -@ CHECK: strt  r1, [r0], #4 @ encoding: [0x04,0x10,0xa0,0xe4]
> -@ CHECK: strbt  r1, [r0], r2 @ encoding: [0x02,0x10,0xe0,0xe6]
> -@ CHECK: strbt  r1, [r0], r2, lsr #3 @ encoding: [0xa2,0x11,0xe0,0xe6]
> -@ CHECK: strbt  r1, [r0], #4 @ encoding: [0x04,0x10,0xe0,0xe4]
> -@ CHECK: ldr  r1, [r0], r2, lsr #3 @ encoding: [0xa2,0x11,0x90,0xe6]
> -@ CHECK: ldrb  r1, [r0], r2, lsr #3 @ encoding: [0xa2,0x11,0xd0,0xe6]
> -        ldrt  r1, [r0], r2
> -        ldrt  r1, [r0], r2, lsr #3
> -        ldrt  r1, [r0], #4
> -        ldrbt  r1, [r0], r2
> -        ldrbt  r1, [r0], r2, lsr #3
> -        ldrbt  r1, [r0], #4
> -        strt  r1, [r0], r2
> -        strt  r1, [r0], r2, lsr #3
> -        strt  r1, [r0], #4
> -        strbt  r1, [r0], r2
> -        strbt  r1, [r0], r2, lsr #3
> -        strbt  r1, [r0], #4
> -        ldr  r1, [r0], r2, lsr #3
> -        ldrb  r1, [r0], r2, lsr #3
> -
> -@ Pre-indexed
> -@ CHECK: ldr  r1, [r0, r2, lsr #3]! @ encoding: [0xa2,0x11,0xb0,0xe7]
> -@ CHECK: ldrb  r1, [r0, r2, lsr #3]! @ encoding: [0xa2,0x11,0xf0,0xe7]
> -        ldr  r1, [r0, r2, lsr #3]!
> -        ldrb  r1, [r0, r2, lsr #3]!
> -
>
>
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