ARMAsmParser.cpp revision cb21d1c9fd1cf53f063183f7eb28af7fa4052ef0
1ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby//===-- ARMAsmParser.cpp - Parse ARM assembly to MCInst instructions ------===// 2ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby// 3ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby// The LLVM Compiler Infrastructure 4ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby// 5ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby// This file is distributed under the University of Illinois Open Source 6ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby// License. See LICENSE.TXT for details. 7ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby// 8ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby//===----------------------------------------------------------------------===// 9ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 10ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby#include "ARM.h" 1192b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling#include "ARMAddressingModes.h" 123483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar#include "ARMSubtarget.h" 13c6ef277a0b8f43af22d86aea9d5053749cacfbbbChris Lattner#include "llvm/MC/MCParser/MCAsmLexer.h" 14c6ef277a0b8f43af22d86aea9d5053749cacfbbbChris Lattner#include "llvm/MC/MCParser/MCAsmParser.h" 15c6ef277a0b8f43af22d86aea9d5053749cacfbbbChris Lattner#include "llvm/MC/MCParser/MCParsedAsmOperand.h" 16642fc9c24ba7c43a4a962c6c05cfffce713d7de7Jim Grosbach#include "llvm/MC/MCContext.h" 17ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby#include "llvm/MC/MCStreamer.h" 18ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby#include "llvm/MC/MCExpr.h" 19ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby#include "llvm/MC/MCInst.h" 20ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby#include "llvm/Target/TargetRegistry.h" 21ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby#include "llvm/Target/TargetAsmParser.h" 22c6ef277a0b8f43af22d86aea9d5053749cacfbbbChris Lattner#include "llvm/Support/SourceMgr.h" 23fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar#include "llvm/Support/raw_ostream.h" 24c6ef277a0b8f43af22d86aea9d5053749cacfbbbChris Lattner#include "llvm/ADT/SmallVector.h" 25345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar#include "llvm/ADT/StringSwitch.h" 26c6ef277a0b8f43af22d86aea9d5053749cacfbbbChris Lattner#include "llvm/ADT/Twine.h" 27ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderbyusing namespace llvm; 28ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 29a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby// The shift types for register controlled shifts in arm memory addressing 30a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderbyenum ShiftType { 31a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby Lsl, 32a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby Lsr, 33a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby Asr, 34a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby Ror, 35a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby Rrx 36a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby}; 37a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 383a69756e392942bc522193f38d7f33958ed3b131Chris Lattnernamespace { 39146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling 40146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendlingclass ARMOperand; 4116c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 42ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderbyclass ARMAsmParser : public TargetAsmParser { 43ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby MCAsmParser &Parser; 44d73ada7d24832bc2a4c3965b8f00ffd951341acfDaniel Dunbar TargetMachine &TM; 45ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 46ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby MCAsmParser &getParser() const { return Parser; } 47ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby MCAsmLexer &getLexer() const { return Parser.getLexer(); } 48ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 49ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby void Warning(SMLoc L, const Twine &Msg) { Parser.Warning(L, Msg); } 50ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby bool Error(SMLoc L, const Twine &Msg) { return Parser.Error(L, Msg); } 51ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 52e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner int TryParseRegister(); 5350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling bool TryParseRegisterWithWriteBack(SmallVectorImpl<MCParsedAsmOperand*> &); 5450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling bool ParseRegisterList(SmallVectorImpl<MCParsedAsmOperand*> &); 5550d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling bool ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &); 5650d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling bool ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &); 57a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 589c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby bool ParseMemoryOffsetReg(bool &Negative, 599c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby bool &OffsetRegShifted, 609c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby enum ShiftType &ShiftType, 619c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby const MCExpr *&ShiftAmount, 629c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby const MCExpr *&Offset, 639c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby bool &OffsetIsReg, 64762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan int &OffsetRegNum, 65762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan SMLoc &E); 66762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan bool ParseShift(enum ShiftType &St, const MCExpr *&ShiftAmount, SMLoc &E); 67ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby bool ParseDirectiveWord(unsigned Size, SMLoc L); 68515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby bool ParseDirectiveThumb(SMLoc L); 69515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby bool ParseDirectiveThumbFunc(SMLoc L); 70515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby bool ParseDirectiveCode(SMLoc L); 71515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby bool ParseDirectiveSyntax(SMLoc L); 72515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 737036f8be4df8a1a830ca01afe9497b035a5647d6Chris Lattner bool MatchAndEmitInstruction(SMLoc IDLoc, 747c51a3172cf5104ebeaef22f1366fa634ca00d85Chris Lattner SmallVectorImpl<MCParsedAsmOperand*> &Operands, 75fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner MCStreamer &Out); 7616c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 77a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby /// @name Auto-generated Match Functions 78a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby /// { 793483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 800692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner#define GET_ASSEMBLER_HEADER 810692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner#include "ARMGenAsmMatcher.inc" 82a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 83a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby /// } 84a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 85ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderbypublic: 86d73ada7d24832bc2a4c3965b8f00ffd951341acfDaniel Dunbar ARMAsmParser(const Target &T, MCAsmParser &_Parser, TargetMachine &_TM) 87833c93c7958dbbd9d648f331091fbfbeabf342e6Jim Grosbach : TargetAsmParser(T), Parser(_Parser), TM(_TM) { 88833c93c7958dbbd9d648f331091fbfbeabf342e6Jim Grosbach // Initialize the set of available features. 89833c93c7958dbbd9d648f331091fbfbeabf342e6Jim Grosbach setAvailableFeatures(ComputeAvailableFeatures( 90833c93c7958dbbd9d648f331091fbfbeabf342e6Jim Grosbach &TM.getSubtarget<ARMSubtarget>())); 91833c93c7958dbbd9d648f331091fbfbeabf342e6Jim Grosbach } 92ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 9338e59891ee4417a9be2f8146ce0ba3269e38ac21Benjamin Kramer virtual bool ParseInstruction(StringRef Name, SMLoc NameLoc, 949898671a74d3fc924347e679c45edaa685b3fe6eChris Lattner SmallVectorImpl<MCParsedAsmOperand*> &Operands); 95ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby virtual bool ParseDirective(AsmToken DirectiveID); 96ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby}; 9716c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach} // end anonymous namespace 9816c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 993a69756e392942bc522193f38d7f33958ed3b131Chris Lattnernamespace { 1003a69756e392942bc522193f38d7f33958ed3b131Chris Lattner 101a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby/// ARMOperand - Instances of this class represent a parsed ARM machine 102a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby/// instruction. 103146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendlingclass ARMOperand : public MCParsedAsmOperand { 104762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan enum KindTy { 1058462b30548fb5969250858036638c73c16b65b43Daniel Dunbar CondCode, 106cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby Immediate, 1078462b30548fb5969250858036638c73c16b65b43Daniel Dunbar Memory, 1088462b30548fb5969250858036638c73c16b65b43Daniel Dunbar Register, 1098d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling RegisterList, 1100f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling DPRRegisterList, 1110f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling SPRRegisterList, 1128462b30548fb5969250858036638c73c16b65b43Daniel Dunbar Token 113a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } Kind; 114a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 115762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan SMLoc StartLoc, EndLoc; 11624d22d27640e9de954a5ac26f51a45cc96bb9135Bill Wendling SmallVector<unsigned, 8> Registers; 117a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 118a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby union { 119a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby struct { 1208462b30548fb5969250858036638c73c16b65b43Daniel Dunbar ARMCC::CondCodes Val; 1218462b30548fb5969250858036638c73c16b65b43Daniel Dunbar } CC; 1228462b30548fb5969250858036638c73c16b65b43Daniel Dunbar 1238462b30548fb5969250858036638c73c16b65b43Daniel Dunbar struct { 124a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby const char *Data; 125a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby unsigned Length; 126a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } Tok; 127a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 128a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby struct { 129a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby unsigned RegNum; 130a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } Reg; 131a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 1328155e5b753aca42973cf317727f3805faddcaf90Bill Wendling struct { 133cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby const MCExpr *Val; 134cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby } Imm; 13516c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 136a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby // This is for all forms of ARM address expressions 137a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby struct { 138a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby unsigned BaseRegNum; 139146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling unsigned OffsetRegNum; // used when OffsetIsReg is true 140146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling const MCExpr *Offset; // used when OffsetIsReg is false 141146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling const MCExpr *ShiftAmount; // used when OffsetRegShifted is true 142146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling enum ShiftType ShiftType; // used when OffsetRegShifted is true 143146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling unsigned OffsetRegShifted : 1; // only used when OffsetIsReg is true 14450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling unsigned Preindexed : 1; 14550d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling unsigned Postindexed : 1; 14650d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling unsigned OffsetIsReg : 1; 14750d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling unsigned Negative : 1; // only used when OffsetIsReg is true 14850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling unsigned Writeback : 1; 149a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } Mem; 150a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby }; 15116c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 152146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling ARMOperand(KindTy K) : MCParsedAsmOperand(), Kind(K) {} 153146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendlingpublic: 154762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan ARMOperand(const ARMOperand &o) : MCParsedAsmOperand() { 155762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Kind = o.Kind; 156762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan StartLoc = o.StartLoc; 157762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan EndLoc = o.EndLoc; 158762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan switch (Kind) { 1598462b30548fb5969250858036638c73c16b65b43Daniel Dunbar case CondCode: 1608462b30548fb5969250858036638c73c16b65b43Daniel Dunbar CC = o.CC; 1618462b30548fb5969250858036638c73c16b65b43Daniel Dunbar break; 162762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan case Token: 1638462b30548fb5969250858036638c73c16b65b43Daniel Dunbar Tok = o.Tok; 164762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan break; 165762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan case Register: 166762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Reg = o.Reg; 167762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan break; 1688d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling case RegisterList: 1690f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling case DPRRegisterList: 1700f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling case SPRRegisterList: 17124d22d27640e9de954a5ac26f51a45cc96bb9135Bill Wendling Registers = o.Registers; 1728d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling break; 173762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan case Immediate: 174762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Imm = o.Imm; 175762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan break; 176762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan case Memory: 177762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Mem = o.Mem; 178762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan break; 179762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan } 180762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan } 18116c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 182762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan /// getStartLoc - Get the location of the first token of this operand. 183762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan SMLoc getStartLoc() const { return StartLoc; } 184762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan /// getEndLoc - Get the location of the last token of this operand. 185762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan SMLoc getEndLoc() const { return EndLoc; } 186a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 1878462b30548fb5969250858036638c73c16b65b43Daniel Dunbar ARMCC::CondCodes getCondCode() const { 1888462b30548fb5969250858036638c73c16b65b43Daniel Dunbar assert(Kind == CondCode && "Invalid access!"); 1898462b30548fb5969250858036638c73c16b65b43Daniel Dunbar return CC.Val; 1908462b30548fb5969250858036638c73c16b65b43Daniel Dunbar } 1918462b30548fb5969250858036638c73c16b65b43Daniel Dunbar 192a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby StringRef getToken() const { 193a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby assert(Kind == Token && "Invalid access!"); 194a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby return StringRef(Tok.Data, Tok.Length); 195a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 196a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 197a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby unsigned getReg() const { 1987729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling assert(Kind == Register && "Invalid access!"); 1997729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling return Reg.RegNum; 200a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 201a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 2025fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling const SmallVectorImpl<unsigned> &getRegList() const { 2030f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling assert((Kind == RegisterList || Kind == DPRRegisterList || 2040f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling Kind == SPRRegisterList) && "Invalid access!"); 20524d22d27640e9de954a5ac26f51a45cc96bb9135Bill Wendling return Registers; 2068d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling } 2078d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling 208cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby const MCExpr *getImm() const { 209cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby assert(Kind == Immediate && "Invalid access!"); 210cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby return Imm.Val; 211cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby } 212cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby 2138462b30548fb5969250858036638c73c16b65b43Daniel Dunbar bool isCondCode() const { return Kind == CondCode; } 2143483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar bool isImm() const { return Kind == Immediate; } 215b32e7844e9f79d2bd4ff34a1d19aba347f999abcBill Wendling bool isReg() const { return Kind == Register; } 2168d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling bool isRegList() const { return Kind == RegisterList; } 2170f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling bool isDPRRegList() const { return Kind == DPRRegisterList; } 2180f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling bool isSPRRegList() const { return Kind == SPRRegisterList; } 21914b93851cc7611ae6c2000f1c162592ead954420Chris Lattner bool isToken() const { return Kind == Token; } 22014b93851cc7611ae6c2000f1c162592ead954420Chris Lattner bool isMemory() const { return Kind == Memory; } 22187f4f9a946549ad93046990a364ac5190333a7ebBill Wendling bool isMemMode5() const { 22287f4f9a946549ad93046990a364ac5190333a7ebBill Wendling if (!isMemory() || Mem.OffsetIsReg || Mem.OffsetRegShifted || 22387f4f9a946549ad93046990a364ac5190333a7ebBill Wendling Mem.Writeback || Mem.Negative) 22487f4f9a946549ad93046990a364ac5190333a7ebBill Wendling return false; 22587f4f9a946549ad93046990a364ac5190333a7ebBill Wendling // If there is an offset expression, make sure it's valid. 22687f4f9a946549ad93046990a364ac5190333a7ebBill Wendling if (!Mem.Offset) 22787f4f9a946549ad93046990a364ac5190333a7ebBill Wendling return true; 22887f4f9a946549ad93046990a364ac5190333a7ebBill Wendling const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Mem.Offset); 22987f4f9a946549ad93046990a364ac5190333a7ebBill Wendling if (!CE) 23087f4f9a946549ad93046990a364ac5190333a7ebBill Wendling return false; 23187f4f9a946549ad93046990a364ac5190333a7ebBill Wendling // The offset must be a multiple of 4 in the range 0-1020. 23287f4f9a946549ad93046990a364ac5190333a7ebBill Wendling int64_t Value = CE->getValue(); 23387f4f9a946549ad93046990a364ac5190333a7ebBill Wendling return ((Value & 0x3) == 0 && Value <= 1020 && Value >= -1020); 23487f4f9a946549ad93046990a364ac5190333a7ebBill Wendling } 2353483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 2363483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar void addExpr(MCInst &Inst, const MCExpr *Expr) const { 23714b93851cc7611ae6c2000f1c162592ead954420Chris Lattner // Add as immediates when possible. Null MCExpr = 0. 23814b93851cc7611ae6c2000f1c162592ead954420Chris Lattner if (Expr == 0) 23914b93851cc7611ae6c2000f1c162592ead954420Chris Lattner Inst.addOperand(MCOperand::CreateImm(0)); 24014b93851cc7611ae6c2000f1c162592ead954420Chris Lattner else if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr)) 2413483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar Inst.addOperand(MCOperand::CreateImm(CE->getValue())); 2423483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar else 2433483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar Inst.addOperand(MCOperand::CreateExpr(Expr)); 2443483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar } 2453483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 2468462b30548fb5969250858036638c73c16b65b43Daniel Dunbar void addCondCodeOperands(MCInst &Inst, unsigned N) const { 247345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar assert(N == 2 && "Invalid number of operands!"); 2488462b30548fb5969250858036638c73c16b65b43Daniel Dunbar Inst.addOperand(MCOperand::CreateImm(unsigned(getCondCode()))); 249345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar // FIXME: What belongs here? 250345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar Inst.addOperand(MCOperand::CreateReg(0)); 2518462b30548fb5969250858036638c73c16b65b43Daniel Dunbar } 2528462b30548fb5969250858036638c73c16b65b43Daniel Dunbar 253a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby void addRegOperands(MCInst &Inst, unsigned N) const { 254a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby assert(N == 1 && "Invalid number of operands!"); 255a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby Inst.addOperand(MCOperand::CreateReg(getReg())); 256a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 257a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 25887f4f9a946549ad93046990a364ac5190333a7ebBill Wendling void addRegListOperands(MCInst &Inst, unsigned N) const { 2597729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling assert(N == 1 && "Invalid number of operands!"); 2605fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling const SmallVectorImpl<unsigned> &RegList = getRegList(); 2615fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling for (SmallVectorImpl<unsigned>::const_iterator 2627729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling I = RegList.begin(), E = RegList.end(); I != E; ++I) 2637729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling Inst.addOperand(MCOperand::CreateReg(*I)); 26487f4f9a946549ad93046990a364ac5190333a7ebBill Wendling } 26587f4f9a946549ad93046990a364ac5190333a7ebBill Wendling 2660f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling void addDPRRegListOperands(MCInst &Inst, unsigned N) const { 2670f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling addRegListOperands(Inst, N); 2680f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling } 2690f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling 2700f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling void addSPRRegListOperands(MCInst &Inst, unsigned N) const { 2710f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling addRegListOperands(Inst, N); 2720f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling } 2730f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling 2743483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar void addImmOperands(MCInst &Inst, unsigned N) const { 2753483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar assert(N == 1 && "Invalid number of operands!"); 2763483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar addExpr(Inst, getImm()); 2773483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar } 27816c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 27914b93851cc7611ae6c2000f1c162592ead954420Chris Lattner void addMemMode5Operands(MCInst &Inst, unsigned N) const { 28014b93851cc7611ae6c2000f1c162592ead954420Chris Lattner assert(N == 2 && isMemMode5() && "Invalid number of operands!"); 28116c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 28214b93851cc7611ae6c2000f1c162592ead954420Chris Lattner Inst.addOperand(MCOperand::CreateReg(Mem.BaseRegNum)); 283a60f157b7c6fb60b33598fa5143ed8cb91aa5107Bill Wendling assert(!Mem.OffsetIsReg && "Invalid mode 5 operand"); 28492b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling 28580eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach // FIXME: #-0 is encoded differently than #0. Does the parser preserve 28680eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach // the difference? 28780eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach if (Mem.Offset) { 28880eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Mem.Offset); 28992b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling assert(CE && "Non-constant mode 5 offset operand!"); 29092b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling 29180eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach // The MCInst offset operand doesn't include the low two bits (like 29280eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach // the instruction encoding). 29392b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling int64_t Offset = CE->getValue() / 4; 29492b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling if (Offset >= 0) 29592b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling Inst.addOperand(MCOperand::CreateImm(ARM_AM::getAM5Opc(ARM_AM::add, 29692b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling Offset))); 29792b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling else 29892b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling Inst.addOperand(MCOperand::CreateImm(ARM_AM::getAM5Opc(ARM_AM::sub, 29992b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling -Offset))); 30092b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling } else { 30180eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach Inst.addOperand(MCOperand::CreateImm(0)); 30292b5a2eb1646b3c1173a5ff3c0073f24ed5ee6a4Bill Wendling } 30314b93851cc7611ae6c2000f1c162592ead954420Chris Lattner } 3043483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 305fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar virtual void dump(raw_ostream &OS) const; 306b3cb6967949493a2e1b10d015ac08b746736764eDaniel Dunbar 3073a69756e392942bc522193f38d7f33958ed3b131Chris Lattner static ARMOperand *CreateCondCode(ARMCC::CondCodes CC, SMLoc S) { 3083a69756e392942bc522193f38d7f33958ed3b131Chris Lattner ARMOperand *Op = new ARMOperand(CondCode); 309345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar Op->CC.Val = CC; 310345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar Op->StartLoc = S; 311345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar Op->EndLoc = S; 3123a69756e392942bc522193f38d7f33958ed3b131Chris Lattner return Op; 313345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar } 314345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar 3153a69756e392942bc522193f38d7f33958ed3b131Chris Lattner static ARMOperand *CreateToken(StringRef Str, SMLoc S) { 3163a69756e392942bc522193f38d7f33958ed3b131Chris Lattner ARMOperand *Op = new ARMOperand(Token); 317762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Tok.Data = Str.data(); 318762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Tok.Length = Str.size(); 319762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->StartLoc = S; 320762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->EndLoc = S; 3213a69756e392942bc522193f38d7f33958ed3b131Chris Lattner return Op; 322a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 323a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 32450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling static ARMOperand *CreateReg(unsigned RegNum, SMLoc S, SMLoc E) { 3253a69756e392942bc522193f38d7f33958ed3b131Chris Lattner ARMOperand *Op = new ARMOperand(Register); 326762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Reg.RegNum = RegNum; 327762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->StartLoc = S; 328762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->EndLoc = E; 3293a69756e392942bc522193f38d7f33958ed3b131Chris Lattner return Op; 330a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 331a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 3327729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling static ARMOperand * 3335fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling CreateRegList(const SmallVectorImpl<std::pair<unsigned, SMLoc> > &Regs, 334cc8d10e1a8a8555fa63f33e36e3c1ed2fb24389dMatt Beaumont-Gay SMLoc StartLoc, SMLoc EndLoc) { 3350f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling KindTy Kind = RegisterList; 3360f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling 3370f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling if (ARM::DPRRegClass.contains(Regs.front().first)) 3380f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling Kind = DPRRegisterList; 3390f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling else if (ARM::SPRRegClass.contains(Regs.front().first)) 3400f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling Kind = SPRRegisterList; 3410f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling 3420f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling ARMOperand *Op = new ARMOperand(Kind); 3435fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling for (SmallVectorImpl<std::pair<unsigned, SMLoc> >::const_iterator 3447729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling I = Regs.begin(), E = Regs.end(); I != E; ++I) 34524d22d27640e9de954a5ac26f51a45cc96bb9135Bill Wendling Op->Registers.push_back(I->first); 346cb21d1c9fd1cf53f063183f7eb28af7fa4052ef0Bill Wendling array_pod_sort(Op->Registers.begin(), Op->Registers.end()); 347cc8d10e1a8a8555fa63f33e36e3c1ed2fb24389dMatt Beaumont-Gay Op->StartLoc = StartLoc; 348cc8d10e1a8a8555fa63f33e36e3c1ed2fb24389dMatt Beaumont-Gay Op->EndLoc = EndLoc; 3498d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling return Op; 3508d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling } 3518d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling 3523a69756e392942bc522193f38d7f33958ed3b131Chris Lattner static ARMOperand *CreateImm(const MCExpr *Val, SMLoc S, SMLoc E) { 3533a69756e392942bc522193f38d7f33958ed3b131Chris Lattner ARMOperand *Op = new ARMOperand(Immediate); 354762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Imm.Val = Val; 355762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->StartLoc = S; 356762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->EndLoc = E; 3573a69756e392942bc522193f38d7f33958ed3b131Chris Lattner return Op; 358cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby } 359cfe072401658bbe9336b200b79526b65c5213b74Kevin Enderby 3603a69756e392942bc522193f38d7f33958ed3b131Chris Lattner static ARMOperand *CreateMem(unsigned BaseRegNum, bool OffsetIsReg, 3613a69756e392942bc522193f38d7f33958ed3b131Chris Lattner const MCExpr *Offset, unsigned OffsetRegNum, 3623a69756e392942bc522193f38d7f33958ed3b131Chris Lattner bool OffsetRegShifted, enum ShiftType ShiftType, 3633a69756e392942bc522193f38d7f33958ed3b131Chris Lattner const MCExpr *ShiftAmount, bool Preindexed, 3643a69756e392942bc522193f38d7f33958ed3b131Chris Lattner bool Postindexed, bool Negative, bool Writeback, 3653a69756e392942bc522193f38d7f33958ed3b131Chris Lattner SMLoc S, SMLoc E) { 3663a69756e392942bc522193f38d7f33958ed3b131Chris Lattner ARMOperand *Op = new ARMOperand(Memory); 367762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.BaseRegNum = BaseRegNum; 368762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.OffsetIsReg = OffsetIsReg; 369762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.Offset = Offset; 370762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.OffsetRegNum = OffsetRegNum; 371762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.OffsetRegShifted = OffsetRegShifted; 372762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.ShiftType = ShiftType; 373762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.ShiftAmount = ShiftAmount; 374762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.Preindexed = Preindexed; 375762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.Postindexed = Postindexed; 376762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.Negative = Negative; 377762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->Mem.Writeback = Writeback; 37816c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 379762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->StartLoc = S; 380762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan Op->EndLoc = E; 3813a69756e392942bc522193f38d7f33958ed3b131Chris Lattner return Op; 382a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 383a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby}; 384a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 385a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby} // end anonymous namespace. 386a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 387fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbarvoid ARMOperand::dump(raw_ostream &OS) const { 388fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar switch (Kind) { 389fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar case CondCode: 390fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar OS << ARMCondCodeToString(getCondCode()); 391fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar break; 392fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar case Immediate: 393fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar getImm()->print(OS); 394fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar break; 395fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar case Memory: 39650d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling OS << "<memory>"; 397fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar break; 398fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar case Register: 39950d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling OS << "<register " << getReg() << ">"; 400fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar break; 4010f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling case RegisterList: 4020f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling case DPRRegisterList: 4030f6307561359fac4425a0b9e512931cf96c1ec5bBill Wendling case SPRRegisterList: { 4048d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling OS << "<register_list "; 4058d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling 4065fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling const SmallVectorImpl<unsigned> &RegList = getRegList(); 4075fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling for (SmallVectorImpl<unsigned>::const_iterator 4087729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling I = RegList.begin(), E = RegList.end(); I != E; ) { 4097729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling OS << *I; 4107729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling if (++I < E) OS << ", "; 4118d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling } 4128d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling 4138d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling OS << ">"; 4148d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling break; 4158d5acb7007decaf0c30bf4a3d4c55e5cc2cce0a7Bill Wendling } 416fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar case Token: 417fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar OS << "'" << getToken() << "'"; 418fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar break; 419fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar } 420fa315de8f44ddb318a7c6ff913e80d71d7c68859Daniel Dunbar} 4213483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 4223483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar/// @name Auto-generated Match Functions 4233483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar/// { 4243483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 4253483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbarstatic unsigned MatchRegisterName(StringRef Name); 4263483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 4273483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar/// } 4283483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 4299c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// Try to parse a register name. The token must be an Identifier when called, 430e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner/// and if it is a register name the token is eaten and the register number is 431e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner/// returned. Otherwise return -1. 4323a69756e392942bc522193f38d7f33958ed3b131Chris Lattner/// 433e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattnerint ARMAsmParser::TryParseRegister() { 43418b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &Tok = Parser.getTok(); 435a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby assert(Tok.is(AsmToken::Identifier) && "Token is not an Identifier"); 436d4462a5a4feae0293ca14376ff25d8bb72dd12a9Jim Grosbach 437a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby // FIXME: Validate register for the current architecture; we have to do 438a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby // validation later, so maybe there is no need for this here. 439d68fd9c79eeb30980c18dc3f74b2da839bb259f3Bill Wendling unsigned RegNum = MatchRegisterName(Tok.getString()); 440d68fd9c79eeb30980c18dc3f74b2da839bb259f3Bill Wendling if (RegNum == 0) 441e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner return -1; 442b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat identifier token. 443e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner return RegNum; 444e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner} 445d4462a5a4feae0293ca14376ff25d8bb72dd12a9Jim Grosbach 446d4462a5a4feae0293ca14376ff25d8bb72dd12a9Jim Grosbach 44750d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling/// Try to parse a register name. The token must be an Identifier when called. 44850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling/// If it's a register, an AsmOperand is created. Another AsmOperand is created 44950d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling/// if there is a "writeback". 'true' if it's not a register. 450e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner/// 451e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner/// TODO this is likely to change to allow different register types and or to 452e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner/// parse for a specific register type. 45350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendlingbool ARMAsmParser:: 45450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill WendlingTryParseRegisterWithWriteBack(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { 455e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner SMLoc S = Parser.getTok().getLoc(); 456e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner int RegNo = TryParseRegister(); 457e717610f53e0465cde198536561a3c00ce29d59fBill Wendling if (RegNo == -1) 45850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 459d4462a5a4feae0293ca14376ff25d8bb72dd12a9Jim Grosbach 46050d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Operands.push_back(ARMOperand::CreateReg(RegNo, S, Parser.getTok().getLoc())); 461a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 462e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner const AsmToken &ExclaimTok = Parser.getTok(); 463e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner if (ExclaimTok.is(AsmToken::Exclaim)) { 46450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Operands.push_back(ARMOperand::CreateToken(ExclaimTok.getString(), 46550d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling ExclaimTok.getLoc())); 466e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner Parser.Lex(); // Eat exclaim token 46799e6d4e8392497d950d48b03f45c79b7dd131327Kevin Enderby } 46899e6d4e8392497d950d48b03f45c79b7dd131327Kevin Enderby 46950d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return false; 470a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby} 471a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 472c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner/// Parse a register list, return it if successful else return null. The first 473c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner/// token must be a '{' when called. 47450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendlingbool ARMAsmParser:: 47550d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill WendlingParseRegisterList(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { 47618b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan assert(Parser.getTok().is(AsmToken::LCurly) && 477a60f157b7c6fb60b33598fa5143ed8cb91aa5107Bill Wendling "Token is not a Left Curly Brace"); 478e717610f53e0465cde198536561a3c00ce29d59fBill Wendling SMLoc S = Parser.getTok().getLoc(); 47916c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 4807729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling // Read the rest of the registers in the list. 4817729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling unsigned PrevRegNum = 0; 4825fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling SmallVector<std::pair<unsigned, SMLoc>, 32> Registers; 483d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby 4847729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling do { 485e717610f53e0465cde198536561a3c00ce29d59fBill Wendling bool IsRange = Parser.getTok().is(AsmToken::Minus); 4867729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling Parser.Lex(); // Eat non-identifier token. 487d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby 48818b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &RegTok = Parser.getTok(); 489d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby SMLoc RegLoc = RegTok.getLoc(); 490c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner if (RegTok.isNot(AsmToken::Identifier)) { 491c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner Error(RegLoc, "register expected"); 49250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 493c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner } 494e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 4951d6a26507bfd75758f5c8a29bccf577784ead751Bill Wendling int RegNum = TryParseRegister(); 496c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner if (RegNum == -1) { 497c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner Error(RegLoc, "register expected"); 49850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 499c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner } 500d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby 501e717610f53e0465cde198536561a3c00ce29d59fBill Wendling if (IsRange) { 502e717610f53e0465cde198536561a3c00ce29d59fBill Wendling int Reg = PrevRegNum; 503e717610f53e0465cde198536561a3c00ce29d59fBill Wendling do { 504e717610f53e0465cde198536561a3c00ce29d59fBill Wendling ++Reg; 505e717610f53e0465cde198536561a3c00ce29d59fBill Wendling Registers.push_back(std::make_pair(Reg, RegLoc)); 506e717610f53e0465cde198536561a3c00ce29d59fBill Wendling } while (Reg != RegNum); 507e717610f53e0465cde198536561a3c00ce29d59fBill Wendling } else { 508e717610f53e0465cde198536561a3c00ce29d59fBill Wendling Registers.push_back(std::make_pair(RegNum, RegLoc)); 509e717610f53e0465cde198536561a3c00ce29d59fBill Wendling } 510e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 511e717610f53e0465cde198536561a3c00ce29d59fBill Wendling PrevRegNum = RegNum; 5127729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling } while (Parser.getTok().is(AsmToken::Comma) || 5137729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling Parser.getTok().is(AsmToken::Minus)); 514e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 515e717610f53e0465cde198536561a3c00ce29d59fBill Wendling // Process the right curly brace of the list. 51618b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &RCurlyTok = Parser.getTok(); 517c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner if (RCurlyTok.isNot(AsmToken::RCurly)) { 518c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner Error(RCurlyTok.getLoc(), "'}' expected"); 51950d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 520c0ddfaa134fe60c09686906b3a8f489531653453Chris Lattner } 521d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby 522e717610f53e0465cde198536561a3c00ce29d59fBill Wendling SMLoc E = RCurlyTok.getLoc(); 523e717610f53e0465cde198536561a3c00ce29d59fBill Wendling Parser.Lex(); // Eat right curly brace token. 524e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 525e717610f53e0465cde198536561a3c00ce29d59fBill Wendling // Verify the register list. 5265fa22a19750c082ff161db1702ebe96dd2a787e7Bill Wendling SmallVectorImpl<std::pair<unsigned, SMLoc> >::const_iterator 527e717610f53e0465cde198536561a3c00ce29d59fBill Wendling RI = Registers.begin(), RE = Registers.end(); 528e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 529e717610f53e0465cde198536561a3c00ce29d59fBill Wendling DenseMap<unsigned, bool> RegMap; 530e717610f53e0465cde198536561a3c00ce29d59fBill Wendling RegMap[RI->first] = true; 531e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 5328e8b18bcfa87ff919f127b1270a6891db1c9021fBill Wendling unsigned HighRegNum = RI->first; 5338e8b18bcfa87ff919f127b1270a6891db1c9021fBill Wendling bool EmittedWarning = false; 5348e8b18bcfa87ff919f127b1270a6891db1c9021fBill Wendling 535e717610f53e0465cde198536561a3c00ce29d59fBill Wendling for (++RI; RI != RE; ++RI) { 5367729e06c128be01fc564870d5ea3d22d236dddb5Bill Wendling const std::pair<unsigned, SMLoc> &RegInfo = *RI; 5378e8b18bcfa87ff919f127b1270a6891db1c9021fBill Wendling unsigned Reg = RegInfo.first; 538e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 5398e8b18bcfa87ff919f127b1270a6891db1c9021fBill Wendling if (RegMap[Reg]) { 540e717610f53e0465cde198536561a3c00ce29d59fBill Wendling Error(RegInfo.second, "register duplicated in register list"); 54150d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 542e717610f53e0465cde198536561a3c00ce29d59fBill Wendling } 543e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 5448e8b18bcfa87ff919f127b1270a6891db1c9021fBill Wendling if (!EmittedWarning && Reg < HighRegNum) 545e717610f53e0465cde198536561a3c00ce29d59fBill Wendling Warning(RegInfo.second, 546e717610f53e0465cde198536561a3c00ce29d59fBill Wendling "register not in ascending order in register list"); 547e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 5488e8b18bcfa87ff919f127b1270a6891db1c9021fBill Wendling RegMap[Reg] = true; 5498e8b18bcfa87ff919f127b1270a6891db1c9021fBill Wendling HighRegNum = std::max(Reg, HighRegNum); 550e717610f53e0465cde198536561a3c00ce29d59fBill Wendling } 551e717610f53e0465cde198536561a3c00ce29d59fBill Wendling 55250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Operands.push_back(ARMOperand::CreateRegList(Registers, S, E)); 55350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return false; 554d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby} 555d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby 556e717610f53e0465cde198536561a3c00ce29d59fBill Wendling/// Parse an ARM memory expression, return false if successful else return true 5579c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// or an error. The first token must be a '[' when called. 55850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling/// 5599c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// TODO Only preindexing and postindexing addressing are started, unindexed 5609c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// with option, etc are still to do. 56150d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendlingbool ARMAsmParser:: 56250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill WendlingParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { 563762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan SMLoc S, E; 56418b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan assert(Parser.getTok().is(AsmToken::LBrac) && 565a60f157b7c6fb60b33598fa5143ed8cb91aa5107Bill Wendling "Token is not a Left Bracket"); 566762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan S = Parser.getTok().getLoc(); 567b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat left bracket token. 568a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 56918b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &BaseRegTok = Parser.getTok(); 570550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner if (BaseRegTok.isNot(AsmToken::Identifier)) { 571550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner Error(BaseRegTok.getLoc(), "register expected"); 57250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 573550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner } 574e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner int BaseRegNum = TryParseRegister(); 575e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner if (BaseRegNum == -1) { 576550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner Error(BaseRegTok.getLoc(), "register expected"); 57750d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 578550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner } 579a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 580a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby bool Preindexed = false; 581a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby bool Postindexed = false; 582a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby bool OffsetIsReg = false; 583a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby bool Negative = false; 584a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby bool Writeback = false; 585a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 5869c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby // First look for preindexed address forms, that is after the "[Rn" we now 5879c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby // have to see if the next token is a comma. 58818b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &Tok = Parser.getTok(); 589a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby if (Tok.is(AsmToken::Comma)) { 590a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby Preindexed = true; 591b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat comma token. 5929c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby int OffsetRegNum; 5939c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby bool OffsetRegShifted; 594a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby enum ShiftType ShiftType; 595a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby const MCExpr *ShiftAmount; 596a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby const MCExpr *Offset; 597550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner if (ParseMemoryOffsetReg(Negative, OffsetRegShifted, ShiftType, ShiftAmount, 598550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner Offset, OffsetIsReg, OffsetRegNum, E)) 59950d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 60018b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &RBracTok = Parser.getTok(); 601550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner if (RBracTok.isNot(AsmToken::RBrac)) { 602550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner Error(RBracTok.getLoc(), "']' expected"); 60350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 604550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner } 605762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan E = RBracTok.getLoc(); 606b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat right bracket token. 607a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 60850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling 60918b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &ExclaimTok = Parser.getTok(); 61050d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling ARMOperand *WBOp = 0; 611a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby if (ExclaimTok.is(AsmToken::Exclaim)) { 61250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling WBOp = ARMOperand::CreateToken(ExclaimTok.getString(), 61350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling ExclaimTok.getLoc()); 614a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby Writeback = true; 615b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat exclaim token 616a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 61750d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling 61850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Operands.push_back(ARMOperand::CreateMem(BaseRegNum, OffsetIsReg, Offset, 61950d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling OffsetRegNum, OffsetRegShifted, 62050d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling ShiftType, ShiftAmount, Preindexed, 62150d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Postindexed, Negative, Writeback, 62250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling S, E)); 62350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling if (WBOp) 62450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Operands.push_back(WBOp); 62550d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling 62650d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return false; 627a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 628a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby // The "[Rn" we have so far was not followed by a comma. 629a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby else if (Tok.is(AsmToken::RBrac)) { 63080eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach // If there's anything other than the right brace, this is a post indexing 63180eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach // addressing form. 632762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan E = Tok.getLoc(); 633b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat right bracket token. 634a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 635e2a98dd2a4f007d5d9d3c71460cfbe0a825b8993Kevin Enderby int OffsetRegNum = 0; 636a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby bool OffsetRegShifted = false; 637a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby enum ShiftType ShiftType; 638a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby const MCExpr *ShiftAmount; 63914b93851cc7611ae6c2000f1c162592ead954420Chris Lattner const MCExpr *Offset = 0; 640a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 64118b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &NextTok = Parser.getTok(); 64250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling 643e2a98dd2a4f007d5d9d3c71460cfbe0a825b8993Kevin Enderby if (NextTok.isNot(AsmToken::EndOfStatement)) { 64480eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach Postindexed = true; 64580eb233a3ce1a6f2e6c0847cb3e456d735e37569Jim Grosbach Writeback = true; 64650d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling 647550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner if (NextTok.isNot(AsmToken::Comma)) { 648550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner Error(NextTok.getLoc(), "',' expected"); 64950d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 650550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner } 65150d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling 652b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat comma token. 65350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling 654550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner if (ParseMemoryOffsetReg(Negative, OffsetRegShifted, ShiftType, 65516c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach ShiftAmount, Offset, OffsetIsReg, OffsetRegNum, 656550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner E)) 65750d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 658a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 659e2a98dd2a4f007d5d9d3c71460cfbe0a825b8993Kevin Enderby 66050d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Operands.push_back(ARMOperand::CreateMem(BaseRegNum, OffsetIsReg, Offset, 66150d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling OffsetRegNum, OffsetRegShifted, 66250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling ShiftType, ShiftAmount, Preindexed, 66350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Postindexed, Negative, Writeback, 66450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling S, E)); 66550d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return false; 666a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 667a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 66850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 669a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby} 670a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 6719c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// Parse the offset of a memory operand after we have seen "[Rn," or "[Rn]," 6729c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// we will parse the following (were +/- means that a plus or minus is 6739c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// optional): 6749c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// +/-Rm 6759c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// +/-Rm, shift 6769c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// #offset 6779c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// we return false on success or an error otherwise. 6789c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderbybool ARMAsmParser::ParseMemoryOffsetReg(bool &Negative, 679762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan bool &OffsetRegShifted, 6809c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby enum ShiftType &ShiftType, 6819c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby const MCExpr *&ShiftAmount, 6829c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby const MCExpr *&Offset, 6839c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby bool &OffsetIsReg, 684762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan int &OffsetRegNum, 685762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan SMLoc &E) { 6869c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby Negative = false; 6879c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby OffsetRegShifted = false; 6889c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby OffsetIsReg = false; 6899c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby OffsetRegNum = -1; 69018b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &NextTok = Parser.getTok(); 691762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan E = NextTok.getLoc(); 6929c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (NextTok.is(AsmToken::Plus)) 693b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat plus token. 6949c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby else if (NextTok.is(AsmToken::Minus)) { 6959c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby Negative = true; 696b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat minus token 6979c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby } 6989c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby // See if there is a register following the "[Rn," or "[Rn]," we have so far. 69918b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &OffsetRegTok = Parser.getTok(); 7009c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (OffsetRegTok.is(AsmToken::Identifier)) { 701e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner SMLoc CurLoc = OffsetRegTok.getLoc(); 702e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner OffsetRegNum = TryParseRegister(); 703e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner if (OffsetRegNum != -1) { 704550276ee5bb3e115d4d81156dceffb9d3d78823aChris Lattner OffsetIsReg = true; 705e5658fa15ebb733e0786a96c1852c7cf590d5b24Chris Lattner E = CurLoc; 706762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan } 7079c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby } 708d4462a5a4feae0293ca14376ff25d8bb72dd12a9Jim Grosbach 70912f40e9a6305fe7553ebce19346cb55874073fc7Bill Wendling // If we parsed a register as the offset then there can be a shift after that. 7109c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (OffsetRegNum != -1) { 7119c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby // Look for a comma then a shift 71218b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &Tok = Parser.getTok(); 7139c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (Tok.is(AsmToken::Comma)) { 714b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat comma token. 7159c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby 71618b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &Tok = Parser.getTok(); 717762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan if (ParseShift(ShiftType, ShiftAmount, E)) 7183472766f9eb7d66f234c390ce1b3a8b76f0ee9ceDuncan Sands return Error(Tok.getLoc(), "shift expected"); 7199c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby OffsetRegShifted = true; 7209c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby } 7219c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby } 7229c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby else { // the "[Rn," or "[Rn,]" we have so far was not followed by "Rm" 7239c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby // Look for #offset following the "[Rn," or "[Rn]," 72418b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &HashTok = Parser.getTok(); 7259c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (HashTok.isNot(AsmToken::Hash)) 7269c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby return Error(HashTok.getLoc(), "'#' expected"); 72716c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 728b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat hash token. 7299c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby 7309c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (getParser().ParseExpression(Offset)) 7319c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby return true; 732762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); 7339c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby } 7349c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby return false; 7359c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby} 7369c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby 737a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby/// ParseShift as one of these two: 738a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby/// ( lsl | lsr | asr | ror ) , # shift_amount 739a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby/// rrx 740a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby/// and returns true if it parses a shift otherwise it returns false. 74116c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbachbool ARMAsmParser::ParseShift(ShiftType &St, const MCExpr *&ShiftAmount, 742762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan SMLoc &E) { 74318b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &Tok = Parser.getTok(); 744a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby if (Tok.isNot(AsmToken::Identifier)) 745a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby return true; 74638e59891ee4417a9be2f8146ce0ba3269e38ac21Benjamin Kramer StringRef ShiftName = Tok.getString(); 747a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby if (ShiftName == "lsl" || ShiftName == "LSL") 7489c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby St = Lsl; 749a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby else if (ShiftName == "lsr" || ShiftName == "LSR") 7509c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby St = Lsr; 751a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby else if (ShiftName == "asr" || ShiftName == "ASR") 7529c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby St = Asr; 753a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby else if (ShiftName == "ror" || ShiftName == "ROR") 7549c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby St = Ror; 755a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby else if (ShiftName == "rrx" || ShiftName == "RRX") 7569c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby St = Rrx; 757a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby else 758a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby return true; 759b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat shift type token. 760a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 7619c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby // Rrx stands alone. 7629c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (St == Rrx) 7639c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby return false; 764a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 7659c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby // Otherwise, there must be a '#' and a shift amount. 76618b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &HashTok = Parser.getTok(); 7679c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (HashTok.isNot(AsmToken::Hash)) 7689c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby return Error(HashTok.getLoc(), "'#' expected"); 769b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat hash token. 7709c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby 7719c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby if (getParser().ParseExpression(ShiftAmount)) 7729c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby return true; 773a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 774a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby return false; 775a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby} 776a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 7779c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// Parse a arm instruction operand. For now this parses the operand regardless 7789c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// of the mnemonic. 77950d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendlingbool ARMAsmParser::ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands){ 780762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan SMLoc S, E; 781a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby switch (getLexer().getKind()) { 782146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling default: 783146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling Error(Parser.getTok().getLoc(), "unexpected token in operand"); 78450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 78550d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling case AsmToken::Identifier: { 78650d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling if (!TryParseRegisterWithWriteBack(Operands)) 78750d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return false; 78816c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 789515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby // This was not a register so parse other operands that start with an 790515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby // identifier (like labels) as expressions and create them as immediates. 791515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby const MCExpr *IdVal; 792762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan S = Parser.getTok().getLoc(); 793515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (getParser().ParseExpression(IdVal)) 79450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 795762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); 79650d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Operands.push_back(ARMOperand::CreateImm(IdVal, S, E)); 79750d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return false; 79850d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling } 799a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby case AsmToken::LBrac: 80050d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return ParseMemory(Operands); 801d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby case AsmToken::LCurly: 80250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return ParseRegisterList(Operands); 803d7894f105a3c397a3d7f5c5136eee39f5865e64bKevin Enderby case AsmToken::Hash: 804079469f649d8da3923b9f747d7062c84e01cc4aeKevin Enderby // #42 -> immediate. 805079469f649d8da3923b9f747d7062c84e01cc4aeKevin Enderby // TODO: ":lower16:" and ":upper16:" modifiers after # before immediate 806762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan S = Parser.getTok().getLoc(); 807b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 808515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby const MCExpr *ImmVal; 809515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (getParser().ParseExpression(ImmVal)) 81050d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return true; 811762647673379dbcff6bbba6167b0b1b0d658ba9dSean Callanan E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); 81250d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling Operands.push_back(ARMOperand::CreateImm(ImmVal, S, E)); 81350d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling return false; 814a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 815a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby} 816a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 8179c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// Parse an arm instruction mnemonic followed by its operands. 81838e59891ee4417a9be2f8146ce0ba3269e38ac21Benjamin Kramerbool ARMAsmParser::ParseInstruction(StringRef Name, SMLoc NameLoc, 8199898671a74d3fc924347e679c45edaa685b3fe6eChris Lattner SmallVectorImpl<MCParsedAsmOperand*> &Operands) { 8205747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar // Create the leading tokens for the mnemonic, split by '.' characters. 8215747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar size_t Start = 0, Next = Name.find('.'); 8225747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar StringRef Head = Name.slice(Start, Next); 8235747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar 824345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar // Determine the predicate, if any. 825345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar // 826345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar // FIXME: We need a way to check whether a prefix supports predication, 827345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar // otherwise we will end up with an ambiguity for instructions that happen to 828345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar // end with a predicate name. 8293df518e67edaf358154af394cc99d21435b7b118Jim Grosbach // FIXME: Likewise, some arithmetic instructions have an 's' prefix which 8303df518e67edaf358154af394cc99d21435b7b118Jim Grosbach // indicates to update the condition codes. Those instructions have an 8313df518e67edaf358154af394cc99d21435b7b118Jim Grosbach // additional immediate operand which encodes the prefix as reg0 or CPSR. 8323df518e67edaf358154af394cc99d21435b7b118Jim Grosbach // Just checking for a suffix of 's' definitely creates ambiguities; e.g, 8333df518e67edaf358154af394cc99d21435b7b118Jim Grosbach // the SMMLS instruction. 834345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar unsigned CC = StringSwitch<unsigned>(Head.substr(Head.size()-2)) 835345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("eq", ARMCC::EQ) 836345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("ne", ARMCC::NE) 837345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("hs", ARMCC::HS) 838345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("lo", ARMCC::LO) 839345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("mi", ARMCC::MI) 840345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("pl", ARMCC::PL) 841345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("vs", ARMCC::VS) 842345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("vc", ARMCC::VC) 843345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("hi", ARMCC::HI) 844345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("ls", ARMCC::LS) 845345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("ge", ARMCC::GE) 846345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("lt", ARMCC::LT) 847345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("gt", ARMCC::GT) 848345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("le", ARMCC::LE) 849345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Case("al", ARMCC::AL) 850345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar .Default(~0U); 85116c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 852dba34d874d0ac8c334f03d770b80c6ee2f12808aChris Lattner if (CC == ~0U || 853dba34d874d0ac8c334f03d770b80c6ee2f12808aChris Lattner (CC == ARMCC::LS && (Head == "vmls" || Head == "vnmls"))) { 854345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar CC = ARMCC::AL; 855dba34d874d0ac8c334f03d770b80c6ee2f12808aChris Lattner } else { 856dba34d874d0ac8c334f03d770b80c6ee2f12808aChris Lattner Head = Head.slice(0, Head.size() - 2); 85752925b60f1cd4cf810524ca05b00a207a926ab9fBill Wendling } 858345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar 8593a69756e392942bc522193f38d7f33958ed3b131Chris Lattner Operands.push_back(ARMOperand::CreateToken(Head, NameLoc)); 860469ebbe148b18a78963e8bc3fa7ae8e5700d8d27Jim Grosbach // FIXME: Should only add this operand for predicated instructions 8613a69756e392942bc522193f38d7f33958ed3b131Chris Lattner Operands.push_back(ARMOperand::CreateCondCode(ARMCC::CondCodes(CC), NameLoc)); 862345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar 863345a9a6269318c96f333c0492b23733e29d952dfDaniel Dunbar // Add the remaining tokens in the mnemonic. 8645747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar while (Next != StringRef::npos) { 8655747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar Start = Next; 8665747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar Next = Name.find('.', Start + 1); 8675747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar Head = Name.slice(Start, Next); 868a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 8693a69756e392942bc522193f38d7f33958ed3b131Chris Lattner Operands.push_back(ARMOperand::CreateToken(Head, NameLoc)); 8705747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar } 8715747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar 8725747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar // Read the remaining operands. 8735747b13af801d5af7cd5827c07c6a59e981bdb1aDaniel Dunbar if (getLexer().isNot(AsmToken::EndOfStatement)) { 874a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby // Read the first operand. 87550d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling if (ParseOperand(Operands)) { 876cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner Parser.EatToEndOfStatement(); 877cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner return true; 878cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner } 879a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 880a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby while (getLexer().is(AsmToken::Comma)) { 881b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Eat the comma. 882a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby 883a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby // Parse and remember the operand. 88450d0f5894448aff6eb02ad63da55ecf26b54aeb8Bill Wendling if (ParseOperand(Operands)) { 885cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner Parser.EatToEndOfStatement(); 886cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner return true; 887cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner } 888a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 889a7ba3a81c008142a91d799e2ec3152cfd6bbb15fKevin Enderby } 89016c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 891cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner if (getLexer().isNot(AsmToken::EndOfStatement)) { 892cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner Parser.EatToEndOfStatement(); 89334e53140c2cc02ce4c9d060e48302576d3962e1cChris Lattner return TokError("unexpected token in argument list"); 894cbf8a98c7c652e96967623c80cb945fef001b090Chris Lattner } 895146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling 89634e53140c2cc02ce4c9d060e48302576d3962e1cChris Lattner Parser.Lex(); // Consume the EndOfStatement 8979898671a74d3fc924347e679c45edaa685b3fe6eChris Lattner return false; 898ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby} 899ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 900fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattnerbool ARMAsmParser:: 901fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris LattnerMatchAndEmitInstruction(SMLoc IDLoc, 902fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner SmallVectorImpl<MCParsedAsmOperand*> &Operands, 903fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner MCStreamer &Out) { 904fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner MCInst Inst; 905fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner unsigned ErrorInfo; 906e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner switch (MatchInstructionImpl(Operands, Inst, ErrorInfo)) { 907e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner case Match_Success: 908fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner Out.EmitInstruction(Inst); 909fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner return false; 910e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner case Match_MissingFeature: 911e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner Error(IDLoc, "instruction requires a CPU feature not currently enabled"); 912e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner return true; 913e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner case Match_InvalidOperand: { 914e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner SMLoc ErrorLoc = IDLoc; 915e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner if (ErrorInfo != ~0U) { 916e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner if (ErrorInfo >= Operands.size()) 917e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner return Error(IDLoc, "too few operands for instruction"); 91816c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 919e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner ErrorLoc = ((ARMOperand*)Operands[ErrorInfo])->getStartLoc(); 920e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner if (ErrorLoc == SMLoc()) ErrorLoc = IDLoc; 921e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner } 92216c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 923e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner return Error(ErrorLoc, "invalid operand for instruction"); 924e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner } 925e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner case Match_MnemonicFail: 926e73d4f8ec7af68fc0f67811e4e004562ab538014Chris Lattner return Error(IDLoc, "unrecognized instruction mnemonic"); 927fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner } 92816c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 929c223e2b10b4753a63dfe7e6980c650b179139983Eric Christopher llvm_unreachable("Implement any new match types added!"); 930146018fc6414eb2a1e67b2d8798a42a2f55ec96cBill Wendling return true; 931fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner} 932fa42fad8bf7b0058ba031a275e1e8ce53b2cb1adChris Lattner 933515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ParseDirective parses the arm specific directives 934ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderbybool ARMAsmParser::ParseDirective(AsmToken DirectiveID) { 935ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby StringRef IDVal = DirectiveID.getIdentifier(); 936ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby if (IDVal == ".word") 937ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby return ParseDirectiveWord(4, DirectiveID.getLoc()); 938515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby else if (IDVal == ".thumb") 939515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return ParseDirectiveThumb(DirectiveID.getLoc()); 940515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby else if (IDVal == ".thumb_func") 941515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return ParseDirectiveThumbFunc(DirectiveID.getLoc()); 942515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby else if (IDVal == ".code") 943515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return ParseDirectiveCode(DirectiveID.getLoc()); 944515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby else if (IDVal == ".syntax") 945515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return ParseDirectiveSyntax(DirectiveID.getLoc()); 946ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby return true; 947ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby} 948ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 949ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby/// ParseDirectiveWord 950ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby/// ::= .word [ expression (, expression)* ] 951ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderbybool ARMAsmParser::ParseDirectiveWord(unsigned Size, SMLoc L) { 952ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby if (getLexer().isNot(AsmToken::EndOfStatement)) { 953ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby for (;;) { 954ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby const MCExpr *Value; 955ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby if (getParser().ParseExpression(Value)) 956ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby return true; 957ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 958aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner getParser().getStreamer().EmitValue(Value, Size, 0/*addrspace*/); 959ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 960ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby if (getLexer().is(AsmToken::EndOfStatement)) 961ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby break; 96216c7425cff6ac3d0a4a9c56779bdfa91b2e8e863Jim Grosbach 963ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby // FIXME: Improve diagnostic. 964ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby if (getLexer().isNot(AsmToken::Comma)) 965ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby return Error(L, "unexpected token in directive"); 966b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 967ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby } 968ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby } 969ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 970b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 971ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby return false; 972ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby} 973ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby 974515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ParseDirectiveThumb 975515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ::= .thumb 976515d509360d81946247fd0f937034cdf1f237c72Kevin Enderbybool ARMAsmParser::ParseDirectiveThumb(SMLoc L) { 977515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (getLexer().isNot(AsmToken::EndOfStatement)) 978515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return Error(L, "unexpected token in directive"); 979b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 980515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 981515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby // TODO: set thumb mode 982515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby // TODO: tell the MC streamer the mode 983515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby // getParser().getStreamer().Emit???(); 984515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return false; 985515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby} 986515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 987515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ParseDirectiveThumbFunc 988515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ::= .thumbfunc symbol_name 989515d509360d81946247fd0f937034cdf1f237c72Kevin Enderbybool ARMAsmParser::ParseDirectiveThumbFunc(SMLoc L) { 99018b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &Tok = Parser.getTok(); 991515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (Tok.isNot(AsmToken::Identifier) && Tok.isNot(AsmToken::String)) 99283c4018fcca18fe9c281c3943fc58a17621636c4Jim Grosbach return Error(L, "unexpected token in .thumb_func directive"); 993642fc9c24ba7c43a4a962c6c05cfffce713d7de7Jim Grosbach StringRef Name = Tok.getString(); 994b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); // Consume the identifier token. 995515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (getLexer().isNot(AsmToken::EndOfStatement)) 996515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return Error(L, "unexpected token in directive"); 997b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 998515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 999642fc9c24ba7c43a4a962c6c05cfffce713d7de7Jim Grosbach // Mark symbol as a thumb symbol. 1000642fc9c24ba7c43a4a962c6c05cfffce713d7de7Jim Grosbach MCSymbol *Func = getParser().getContext().GetOrCreateSymbol(Name); 1001642fc9c24ba7c43a4a962c6c05cfffce713d7de7Jim Grosbach getParser().getStreamer().EmitThumbFunc(Func); 1002515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return false; 1003515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby} 1004515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 1005515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ParseDirectiveSyntax 1006515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ::= .syntax unified | divided 1007515d509360d81946247fd0f937034cdf1f237c72Kevin Enderbybool ARMAsmParser::ParseDirectiveSyntax(SMLoc L) { 100818b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &Tok = Parser.getTok(); 1009515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (Tok.isNot(AsmToken::Identifier)) 1010515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return Error(L, "unexpected token in .syntax directive"); 101138e59891ee4417a9be2f8146ce0ba3269e38ac21Benjamin Kramer StringRef Mode = Tok.getString(); 101258c86910b31c569a5709466c82e2fabae2014a56Duncan Sands if (Mode == "unified" || Mode == "UNIFIED") 1013b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 101458c86910b31c569a5709466c82e2fabae2014a56Duncan Sands else if (Mode == "divided" || Mode == "DIVIDED") 1015b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 1016515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby else 1017515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return Error(L, "unrecognized syntax mode in .syntax directive"); 1018515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 1019515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (getLexer().isNot(AsmToken::EndOfStatement)) 102018b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan return Error(Parser.getTok().getLoc(), "unexpected token in directive"); 1021b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 1022515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 1023515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby // TODO tell the MC streamer the mode 1024515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby // getParser().getStreamer().Emit???(); 1025515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return false; 1026515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby} 1027515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 1028515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ParseDirectiveCode 1029515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby/// ::= .code 16 | 32 1030515d509360d81946247fd0f937034cdf1f237c72Kevin Enderbybool ARMAsmParser::ParseDirectiveCode(SMLoc L) { 103118b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan const AsmToken &Tok = Parser.getTok(); 1032515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (Tok.isNot(AsmToken::Integer)) 1033515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return Error(L, "unexpected token in .code directive"); 103418b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan int64_t Val = Parser.getTok().getIntVal(); 103558c86910b31c569a5709466c82e2fabae2014a56Duncan Sands if (Val == 16) 1036b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 103758c86910b31c569a5709466c82e2fabae2014a56Duncan Sands else if (Val == 32) 1038b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 1039515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby else 1040515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return Error(L, "invalid operand to .code directive"); 1041515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 1042515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby if (getLexer().isNot(AsmToken::EndOfStatement)) 104318b8323de70e3461b5d035e3f9e4f6dfaf5e674bSean Callanan return Error(Parser.getTok().getLoc(), "unexpected token in directive"); 1044b9a25b7744ed12b80031426978decce3d4cebbd7Sean Callanan Parser.Lex(); 1045515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 10462a301704ea76535f0485d5c3b75664b323249bdbJim Grosbach if (Val == 16) 10472a301704ea76535f0485d5c3b75664b323249bdbJim Grosbach getParser().getStreamer().EmitAssemblerFlag(MCAF_Code16); 10482a301704ea76535f0485d5c3b75664b323249bdbJim Grosbach else 10492a301704ea76535f0485d5c3b75664b323249bdbJim Grosbach getParser().getStreamer().EmitAssemblerFlag(MCAF_Code32); 10502a301704ea76535f0485d5c3b75664b323249bdbJim Grosbach 1051515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby return false; 1052515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby} 1053515d509360d81946247fd0f937034cdf1f237c72Kevin Enderby 105490b7097f92f6b4f6b27cd88c7c88a21b777f5795Sean Callananextern "C" void LLVMInitializeARMAsmLexer(); 105590b7097f92f6b4f6b27cd88c7c88a21b777f5795Sean Callanan 10569c41fa87eac369d84f8bfc2245084cd39f281ee4Kevin Enderby/// Force static initialization. 1057ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderbyextern "C" void LLVMInitializeARMAsmParser() { 1058ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby RegisterAsmParser<ARMAsmParser> X(TheARMTarget); 1059ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby RegisterAsmParser<ARMAsmParser> Y(TheThumbTarget); 106090b7097f92f6b4f6b27cd88c7c88a21b777f5795Sean Callanan LLVMInitializeARMAsmLexer(); 1061ca9c42c4daa8f4ffd9411e11c05fb53ee1bfaf70Kevin Enderby} 10623483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar 10630692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner#define GET_REGISTER_MATCHER 10640692ee676f8cdad25ad09a868bf597af4115c9d9Chris Lattner#define GET_MATCHER_IMPLEMENTATION 10653483acabf012b847b13b969ebd9ce5c4d16d9eb7Daniel Dunbar#include "ARMGenAsmMatcher.inc" 1066