diff options
Diffstat (limited to 'lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp')
| -rw-r--r-- | lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp | 83 |
1 files changed, 41 insertions, 42 deletions
diff --git a/lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp b/lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp index 4059403..2ab163e 100644 --- a/lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp +++ b/lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp @@ -8,18 +8,18 @@ //===----------------------------------------------------------------------===// #include "MCTargetDesc/MBlazeBaseInfo.h" +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/Twine.h" +#include "llvm/MC/MCExpr.h" +#include "llvm/MC/MCInst.h" #include "llvm/MC/MCParser/MCAsmLexer.h" #include "llvm/MC/MCParser/MCAsmParser.h" #include "llvm/MC/MCParser/MCParsedAsmOperand.h" #include "llvm/MC/MCStreamer.h" -#include "llvm/MC/MCExpr.h" -#include "llvm/MC/MCInst.h" #include "llvm/MC/MCTargetAsmParser.h" #include "llvm/Support/SourceMgr.h" #include "llvm/Support/TargetRegistry.h" #include "llvm/Support/raw_ostream.h" -#include "llvm/ADT/SmallVector.h" -#include "llvm/ADT/Twine.h" using namespace llvm; namespace { @@ -35,7 +35,8 @@ class MBlazeAsmParser : public MCTargetAsmParser { bool Error(SMLoc L, const Twine &Msg) { return Parser.Error(L, Msg); } MBlazeOperand *ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands); - MBlazeOperand *ParseRegister(unsigned &RegNo); + MBlazeOperand *ParseRegister(); + MBlazeOperand *ParseRegister(SMLoc &StartLoc, SMLoc &EndLoc); MBlazeOperand *ParseImmediate(); MBlazeOperand *ParseFsl(); MBlazeOperand* ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands); @@ -44,9 +45,10 @@ class MBlazeAsmParser : public MCTargetAsmParser { bool ParseDirectiveWord(unsigned Size, SMLoc L); - bool MatchAndEmitInstruction(SMLoc IDLoc, + bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, SmallVectorImpl<MCParsedAsmOperand*> &Operands, - MCStreamer &Out); + MCStreamer &Out, unsigned &ErrorInfo, + bool MatchingInlineAsm); /// @name Auto-generated Match Functions /// { @@ -56,18 +58,12 @@ class MBlazeAsmParser : public MCTargetAsmParser { /// } - unsigned getMCInstOperandNum(unsigned Kind, MCInst &Inst, - const SmallVectorImpl<MCParsedAsmOperand*> &Operands, - unsigned OperandNum, unsigned &NumMCOperands) { - return getMCInstOperandNumImpl(Kind, Inst, Operands, OperandNum, - NumMCOperands); - } - public: MBlazeAsmParser(MCSubtargetInfo &_STI, MCAsmParser &_Parser) : MCTargetAsmParser(), Parser(_Parser) {} - virtual bool ParseInstruction(StringRef Name, SMLoc NameLoc, + virtual bool ParseInstruction(ParseInstructionInfo &Info, StringRef Name, + SMLoc NameLoc, SmallVectorImpl<MCParsedAsmOperand*> &Operands); virtual bool ParseDirective(AsmToken DirectiveID); @@ -319,14 +315,13 @@ static unsigned MatchRegisterName(StringRef Name); /// } // bool MBlazeAsmParser:: -MatchAndEmitInstruction(SMLoc IDLoc, +MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, SmallVectorImpl<MCParsedAsmOperand*> &Operands, - MCStreamer &Out) { + MCStreamer &Out, unsigned &ErrorInfo, + bool MatchingInlineAsm) { MCInst Inst; - unsigned Kind; - unsigned ErrorInfo; - - switch (MatchInstructionImpl(Operands, Kind, Inst, ErrorInfo)) { + switch (MatchInstructionImpl(Operands, Inst, ErrorInfo, + MatchingInlineAsm)) { default: break; case Match_Success: Out.EmitInstruction(Inst); @@ -389,23 +384,31 @@ ParseMemory(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { bool MBlazeAsmParser::ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) { - return (ParseRegister(RegNo) == 0); + MBlazeOperand *Reg = ParseRegister(StartLoc, EndLoc); + if (!Reg) + return true; + RegNo = Reg->getReg(); + return false; } -MBlazeOperand *MBlazeAsmParser::ParseRegister(unsigned &RegNo) { - SMLoc S = Parser.getTok().getLoc(); - SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); +MBlazeOperand *MBlazeAsmParser::ParseRegister() { + SMLoc S, E; + return ParseRegister(S, E); +} - switch (getLexer().getKind()) { - default: return 0; - case AsmToken::Identifier: - RegNo = MatchRegisterName(getLexer().getTok().getIdentifier()); - if (RegNo == 0) - return 0; +MBlazeOperand *MBlazeAsmParser::ParseRegister(SMLoc &StartLoc, SMLoc &EndLoc) { + StartLoc = Parser.getTok().getLoc(); + EndLoc = Parser.getTok().getEndLoc(); - getLexer().Lex(); - return MBlazeOperand::CreateReg(RegNo, S, E); - } + if (getLexer().getKind() != AsmToken::Identifier) + return 0; + + unsigned RegNo = MatchRegisterName(getLexer().getTok().getIdentifier()); + if (RegNo == 0) + return 0; + + getLexer().Lex(); + return MBlazeOperand::CreateReg(RegNo, StartLoc, EndLoc); } static unsigned MatchFslRegister(StringRef String) { @@ -421,7 +424,7 @@ static unsigned MatchFslRegister(StringRef String) { MBlazeOperand *MBlazeAsmParser::ParseFsl() { SMLoc S = Parser.getTok().getLoc(); - SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); + SMLoc E = Parser.getTok().getEndLoc(); switch (getLexer().getKind()) { default: return 0; @@ -438,7 +441,7 @@ MBlazeOperand *MBlazeAsmParser::ParseFsl() { MBlazeOperand *MBlazeAsmParser::ParseImmediate() { SMLoc S = Parser.getTok().getLoc(); - SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); + SMLoc E = Parser.getTok().getEndLoc(); const MCExpr *EVal; switch (getLexer().getKind()) { @@ -460,8 +463,7 @@ ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { MBlazeOperand *Op; // Attempt to parse the next token as a register name - unsigned RegNo; - Op = ParseRegister(RegNo); + Op = ParseRegister(); // Attempt to parse the next token as an FSL immediate if (!Op) @@ -484,7 +486,7 @@ ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { /// Parse an mblaze instruction mnemonic followed by its operands. bool MBlazeAsmParser:: -ParseInstruction(StringRef Name, SMLoc NameLoc, +ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc, SmallVectorImpl<MCParsedAsmOperand*> &Operands) { // The first operands is the token for the instruction name size_t dotLoc = Name.find('.'); @@ -554,12 +556,9 @@ bool MBlazeAsmParser::ParseDirectiveWord(unsigned Size, SMLoc L) { return false; } -extern "C" void LLVMInitializeMBlazeAsmLexer(); - /// Force static initialization. extern "C" void LLVMInitializeMBlazeAsmParser() { RegisterMCAsmParser<MBlazeAsmParser> X(TheMBlazeTarget); - LLVMInitializeMBlazeAsmLexer(); } #define GET_REGISTER_MATCHER |
