diff options
Diffstat (limited to 'lib/Target/PowerPC')
| -rw-r--r-- | lib/Target/PowerPC/AsmParser/CMakeLists.txt | 8 | ||||
| -rw-r--r-- | lib/Target/PowerPC/AsmParser/LLVMBuild.txt | 23 | ||||
| -rw-r--r-- | lib/Target/PowerPC/AsmParser/Makefile | 15 | ||||
| -rw-r--r-- | lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp | 681 | ||||
| -rw-r--r-- | lib/Target/PowerPC/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | lib/Target/PowerPC/LLVMBuild.txt | 2 | ||||
| -rw-r--r-- | lib/Target/PowerPC/Makefile | 4 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPC.td | 5 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCInstr64Bit.td | 4 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.td | 125 |
10 files changed, 853 insertions, 16 deletions
diff --git a/lib/Target/PowerPC/AsmParser/CMakeLists.txt b/lib/Target/PowerPC/AsmParser/CMakeLists.txt new file mode 100644 index 0000000..3aa59c0 --- /dev/null +++ b/lib/Target/PowerPC/AsmParser/CMakeLists.txt @@ -0,0 +1,8 @@ +include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. + ${CMAKE_CURRENT_SOURCE_DIR}/.. ) + +add_llvm_library(LLVMPowerPCAsmParser + PPCAsmParser.cpp + ) + +add_dependencies(LLVMPowerPCAsmParser PowerPCCommonTableGen) diff --git a/lib/Target/PowerPC/AsmParser/LLVMBuild.txt b/lib/Target/PowerPC/AsmParser/LLVMBuild.txt new file mode 100644 index 0000000..bd08c13 --- /dev/null +++ b/lib/Target/PowerPC/AsmParser/LLVMBuild.txt @@ -0,0 +1,23 @@ +;===- ./lib/Target/PowerPC/AsmParser/LLVMBuild.txt --------------*- Conf -*--===; +; +; The LLVM Compiler Infrastructure +; +; This file is distributed under the University of Illinois Open Source +; License. See LICENSE.TXT for details. +; +;===------------------------------------------------------------------------===; +; +; This is an LLVMBuild description file for the components in this subdirectory. +; +; For more information on the LLVMBuild system, please see: +; +; http://llvm.org/docs/LLVMBuild.html +; +;===------------------------------------------------------------------------===; + +[component_0] +type = Library +name = PowerPCAsmParser +parent = PowerPC +required_libraries = PowerPCInfo MC MCParser Support +add_to_library_groups = PowerPC diff --git a/lib/Target/PowerPC/AsmParser/Makefile b/lib/Target/PowerPC/AsmParser/Makefile new file mode 100644 index 0000000..c8a8915 --- /dev/null +++ b/lib/Target/PowerPC/AsmParser/Makefile @@ -0,0 +1,15 @@ +##===- lib/Target/PowerPC/AsmParser/Makefile ----------------*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file is distributed under the University of Illinois Open Source +# License. See LICENSE.TXT for details. +# +##===----------------------------------------------------------------------===## +LEVEL = ../../../.. +LIBRARYNAME = LLVMPowerPCAsmParser + +# Hack: we need to include 'main' PowerPC target directory to grab private headers +CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/.. + +include $(LEVEL)/Makefile.common diff --git a/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp b/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp new file mode 100644 index 0000000..c69803a --- /dev/null +++ b/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp @@ -0,0 +1,681 @@ +//===-- PPCAsmParser.cpp - Parse PowerPC asm to MCInst instructions ---------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "MCTargetDesc/PPCMCTargetDesc.h" +#include "llvm/MC/MCTargetAsmParser.h" +#include "llvm/MC/MCStreamer.h" +#include "llvm/MC/MCExpr.h" +#include "llvm/MC/MCInst.h" +#include "llvm/MC/MCRegisterInfo.h" +#include "llvm/MC/MCSubtargetInfo.h" +#include "llvm/MC/MCParser/MCAsmLexer.h" +#include "llvm/MC/MCParser/MCAsmParser.h" +#include "llvm/MC/MCParser/MCParsedAsmOperand.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/StringSwitch.h" +#include "llvm/ADT/Twine.h" +#include "llvm/Support/SourceMgr.h" +#include "llvm/Support/TargetRegistry.h" +#include "llvm/Support/raw_ostream.h" + +using namespace llvm; + +namespace { + +static unsigned RRegs[32] = { + PPC::R0, PPC::R1, PPC::R2, PPC::R3, + PPC::R4, PPC::R5, PPC::R6, PPC::R7, + PPC::R8, PPC::R9, PPC::R10, PPC::R11, + PPC::R12, PPC::R13, PPC::R14, PPC::R15, + PPC::R16, PPC::R17, PPC::R18, PPC::R19, + PPC::R20, PPC::R21, PPC::R22, PPC::R23, + PPC::R24, PPC::R25, PPC::R26, PPC::R27, + PPC::R28, PPC::R29, PPC::R30, PPC::R31 +}; +static unsigned RRegsNoR0[32] = { + PPC::ZERO, + PPC::R1, PPC::R2, PPC::R3, + PPC::R4, PPC::R5, PPC::R6, PPC::R7, + PPC::R8, PPC::R9, PPC::R10, PPC::R11, + PPC::R12, PPC::R13, PPC::R14, PPC::R15, + PPC::R16, PPC::R17, PPC::R18, PPC::R19, + PPC::R20, PPC::R21, PPC::R22, PPC::R23, + PPC::R24, PPC::R25, PPC::R26, PPC::R27, + PPC::R28, PPC::R29, PPC::R30, PPC::R31 +}; +static unsigned XRegs[32] = { + PPC::X0, PPC::X1, PPC::X2, PPC::X3, + PPC::X4, PPC::X5, PPC::X6, PPC::X7, + PPC::X8, PPC::X9, PPC::X10, PPC::X11, + PPC::X12, PPC::X13, PPC::X14, PPC::X15, + PPC::X16, PPC::X17, PPC::X18, PPC::X19, + PPC::X20, PPC::X21, PPC::X22, PPC::X23, + PPC::X24, PPC::X25, PPC::X26, PPC::X27, + PPC::X28, PPC::X29, PPC::X30, PPC::X31 +}; +static unsigned XRegsNoX0[32] = { + PPC::ZERO8, + PPC::X1, PPC::X2, PPC::X3, + PPC::X4, PPC::X5, PPC::X6, PPC::X7, + PPC::X8, PPC::X9, PPC::X10, PPC::X11, + PPC::X12, PPC::X13, PPC::X14, PPC::X15, + PPC::X16, PPC::X17, PPC::X18, PPC::X19, + PPC::X20, PPC::X21, PPC::X22, PPC::X23, + PPC::X24, PPC::X25, PPC::X26, PPC::X27, + PPC::X28, PPC::X29, PPC::X30, PPC::X31 +}; +static unsigned FRegs[32] = { + PPC::F0, PPC::F1, PPC::F2, PPC::F3, + PPC::F4, PPC::F5, PPC::F6, PPC::F7, + PPC::F8, PPC::F9, PPC::F10, PPC::F11, + PPC::F12, PPC::F13, PPC::F14, PPC::F15, + PPC::F16, PPC::F17, PPC::F18, PPC::F19, + PPC::F20, PPC::F21, PPC::F22, PPC::F23, + PPC::F24, PPC::F25, PPC::F26, PPC::F27, + PPC::F28, PPC::F29, PPC::F30, PPC::F31 +}; +static unsigned VRegs[32] = { + PPC::V0, PPC::V1, PPC::V2, PPC::V3, + PPC::V4, PPC::V5, PPC::V6, PPC::V7, + PPC::V8, PPC::V9, PPC::V10, PPC::V11, + PPC::V12, PPC::V13, PPC::V14, PPC::V15, + PPC::V16, PPC::V17, PPC::V18, PPC::V19, + PPC::V20, PPC::V21, PPC::V22, PPC::V23, + PPC::V24, PPC::V25, PPC::V26, PPC::V27, + PPC::V28, PPC::V29, PPC::V30, PPC::V31 +}; +static unsigned CRBITRegs[32] = { + PPC::CR0LT, PPC::CR0GT, PPC::CR0EQ, PPC::CR0UN, + PPC::CR1LT, PPC::CR1GT, PPC::CR1EQ, PPC::CR1UN, + PPC::CR2LT, PPC::CR2GT, PPC::CR2EQ, PPC::CR2UN, + PPC::CR3LT, PPC::CR3GT, PPC::CR3EQ, PPC::CR3UN, + PPC::CR4LT, PPC::CR4GT, PPC::CR4EQ, PPC::CR4UN, + PPC::CR5LT, PPC::CR5GT, PPC::CR5EQ, PPC::CR5UN, + PPC::CR6LT, PPC::CR6GT, PPC::CR6EQ, PPC::CR6UN, + PPC::CR7LT, PPC::CR7GT, PPC::CR7EQ, PPC::CR7UN +}; +static unsigned CRRegs[8] = { + PPC::CR0, PPC::CR1, PPC::CR2, PPC::CR3, + PPC::CR4, PPC::CR5, PPC::CR6, PPC::CR7 +}; + +struct PPCOperand; + +class PPCAsmParser : public MCTargetAsmParser { + MCSubtargetInfo &STI; + MCAsmParser &Parser; + bool IsPPC64; + + MCAsmParser &getParser() const { return Parser; } + MCAsmLexer &getLexer() const { return Parser.getLexer(); } + + void Warning(SMLoc L, const Twine &Msg) { Parser.Warning(L, Msg); } + bool Error(SMLoc L, const Twine &Msg) { return Parser.Error(L, Msg); } + + bool isPPC64() const { return IsPPC64; } + + bool MatchRegisterName(const AsmToken &Tok, + unsigned &RegNo, int64_t &IntVal); + + virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc); + + bool ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands); + + bool ParseDirectiveWord(unsigned Size, SMLoc L); + bool ParseDirectiveTC(unsigned Size, SMLoc L); + + bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, + SmallVectorImpl<MCParsedAsmOperand*> &Operands, + MCStreamer &Out, unsigned &ErrorInfo, + bool MatchingInlineAsm); + + /// @name Auto-generated Match Functions + /// { + +#define GET_ASSEMBLER_HEADER +#include "PPCGenAsmMatcher.inc" + + /// } + + +public: + PPCAsmParser(MCSubtargetInfo &_STI, MCAsmParser &_Parser) + : MCTargetAsmParser(), STI(_STI), Parser(_Parser) { + // Check for 64-bit vs. 32-bit pointer mode. + Triple TheTriple(STI.getTargetTriple()); + IsPPC64 = TheTriple.getArch() == Triple::ppc64; + // Initialize the set of available features. + setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits())); + } + + virtual bool ParseInstruction(ParseInstructionInfo &Info, + StringRef Name, SMLoc NameLoc, + SmallVectorImpl<MCParsedAsmOperand*> &Operands); + + virtual bool ParseDirective(AsmToken DirectiveID); +}; + +/// PPCOperand - Instances of this class represent a parsed PowerPC machine +/// instruction. +struct PPCOperand : public MCParsedAsmOperand { + enum KindTy { + Token, + Immediate, + Expression + } Kind; + + SMLoc StartLoc, EndLoc; + bool IsPPC64; + + struct TokOp { + const char *Data; + unsigned Length; + }; + + struct ImmOp { + int64_t Val; + }; + + struct ExprOp { + const MCExpr *Val; + }; + + union { + struct TokOp Tok; + struct ImmOp Imm; + struct ExprOp Expr; + }; + + PPCOperand(KindTy K) : MCParsedAsmOperand(), Kind(K) {} +public: + PPCOperand(const PPCOperand &o) : MCParsedAsmOperand() { + Kind = o.Kind; + StartLoc = o.StartLoc; + EndLoc = o.EndLoc; + IsPPC64 = o.IsPPC64; + switch (Kind) { + case Token: + Tok = o.Tok; + break; + case Immediate: + Imm = o.Imm; + break; + case Expression: + Expr = o.Expr; + break; + } + } + + /// getStartLoc - Get the location of the first token of this operand. + SMLoc getStartLoc() const { return StartLoc; } + + /// getEndLoc - Get the location of the last token of this operand. + SMLoc getEndLoc() const { return EndLoc; } + + /// isPPC64 - True if this operand is for an instruction in 64-bit mode. + bool isPPC64() const { return IsPPC64; } + + int64_t getImm() const { + assert(Kind == Immediate && "Invalid access!"); + return Imm.Val; + } + + const MCExpr *getExpr() const { + assert(Kind == Expression && "Invalid access!"); + return Expr.Val; + } + + unsigned getReg() const { + assert(isRegNumber() && "Invalid access!"); + return (unsigned) Imm.Val; + } + + unsigned getCCReg() const { + assert(isCCRegNumber() && "Invalid access!"); + return (unsigned) Imm.Val; + } + + unsigned getCRBitMask() const { + assert(isCRBitMask() && "Invalid access!"); + return 7 - CountTrailingZeros_32(Imm.Val); + } + + bool isToken() const { return Kind == Token; } + bool isImm() const { return Kind == Immediate || Kind == Expression; } + bool isU5Imm() const { return Kind == Immediate && isUInt<5>(getImm()); } + bool isS5Imm() const { return Kind == Immediate && isInt<5>(getImm()); } + bool isU6Imm() const { return Kind == Immediate && isUInt<6>(getImm()); } + bool isU16Imm() const { return Kind == Expression || + (Kind == Immediate && isUInt<16>(getImm())); } + bool isS16Imm() const { return Kind == Expression || + (Kind == Immediate && isInt<16>(getImm())); } + bool isS16ImmX4() const { return Kind == Expression || + (Kind == Immediate && isInt<16>(getImm()) && + (getImm() & 3) == 0); } + bool isRegNumber() const { return Kind == Immediate && isUInt<5>(getImm()); } + bool isCCRegNumber() const { return Kind == Immediate && + isUInt<3>(getImm()); } + bool isCRBitMask() const { return Kind == Immediate && isUInt<8>(getImm()) && + isPowerOf2_32(getImm()); } + bool isMem() const { return false; } + bool isReg() const { return false; } + + void addRegOperands(MCInst &Inst, unsigned N) const { + llvm_unreachable("addRegOperands"); + } + + void addRegGPRCOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(RRegs[getReg()])); + } + + void addRegGPRCNoR0Operands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(RRegsNoR0[getReg()])); + } + + void addRegG8RCOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(XRegs[getReg()])); + } + + void addRegG8RCNoX0Operands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(XRegsNoX0[getReg()])); + } + + void addRegGxRCOperands(MCInst &Inst, unsigned N) const { + if (isPPC64()) + addRegG8RCOperands(Inst, N); + else + addRegGPRCOperands(Inst, N); + } + + void addRegGxRCNoR0Operands(MCInst &Inst, unsigned N) const { + if (isPPC64()) + addRegG8RCNoX0Operands(Inst, N); + else + addRegGPRCNoR0Operands(Inst, N); + } + + void addRegF4RCOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(FRegs[getReg()])); + } + + void addRegF8RCOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(FRegs[getReg()])); + } + + void addRegVRRCOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(VRegs[getReg()])); + } + + void addRegCRBITRCOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(CRBITRegs[getReg()])); + } + + void addRegCRRCOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(CRRegs[getCCReg()])); + } + + void addCRBitMaskOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + Inst.addOperand(MCOperand::CreateReg(CRRegs[getCRBitMask()])); + } + + void addImmOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + if (Kind == Immediate) + Inst.addOperand(MCOperand::CreateImm(getImm())); + else + Inst.addOperand(MCOperand::CreateExpr(getExpr())); + } + + void addDispRIOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + if (Kind == Immediate) + Inst.addOperand(MCOperand::CreateImm(getImm())); + else + Inst.addOperand(MCOperand::CreateExpr(getExpr())); + } + + void addDispRIXOperands(MCInst &Inst, unsigned N) const { + assert(N == 1 && "Invalid number of operands!"); + if (Kind == Immediate) + Inst.addOperand(MCOperand::CreateImm(getImm() / 4)); + else + Inst.addOperand(MCOperand::CreateExpr(getExpr())); + } + + StringRef getToken() const { + assert(Kind == Token && "Invalid access!"); + return StringRef(Tok.Data, Tok.Length); + } + + virtual void print(raw_ostream &OS) const; + + static PPCOperand *CreateToken(StringRef Str, SMLoc S, bool IsPPC64) { + PPCOperand *Op = new PPCOperand(Token); + Op->Tok.Data = Str.data(); + Op->Tok.Length = Str.size(); + Op->StartLoc = S; + Op->EndLoc = S; + Op->IsPPC64 = IsPPC64; + return Op; + } + + static PPCOperand *CreateImm(int64_t Val, SMLoc S, SMLoc E, bool IsPPC64) { + PPCOperand *Op = new PPCOperand(Immediate); + Op->Imm.Val = Val; + Op->StartLoc = S; + Op->EndLoc = E; + Op->IsPPC64 = IsPPC64; + return Op; + } + + static PPCOperand *CreateExpr(const MCExpr *Val, + SMLoc S, SMLoc E, bool IsPPC64) { + PPCOperand *Op = new PPCOperand(Expression); + Op->Expr.Val = Val; + Op->StartLoc = S; + Op->EndLoc = E; + Op->IsPPC64 = IsPPC64; + return Op; + } +}; + +} // end anonymous namespace. + +void PPCOperand::print(raw_ostream &OS) const { + switch (Kind) { + case Token: + OS << "'" << getToken() << "'"; + break; + case Immediate: + OS << getImm(); + break; + case Expression: + getExpr()->print(OS); + break; + } +} + + +bool PPCAsmParser:: +MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, + SmallVectorImpl<MCParsedAsmOperand*> &Operands, + MCStreamer &Out, unsigned &ErrorInfo, + bool MatchingInlineAsm) { + MCInst Inst; + + switch (MatchInstructionImpl(Operands, Inst, ErrorInfo, MatchingInlineAsm)) { + default: break; + case Match_Success: + Inst.setLoc(IDLoc); + Out.EmitInstruction(Inst); + return false; + case Match_MissingFeature: + return Error(IDLoc, "instruction use requires an option to be enabled"); + case Match_MnemonicFail: + return Error(IDLoc, "unrecognized instruction mnemonic"); + case Match_InvalidOperand: { + SMLoc ErrorLoc = IDLoc; + if (ErrorInfo != ~0U) { + if (ErrorInfo >= Operands.size()) + return Error(IDLoc, "too few operands for instruction"); + + ErrorLoc = ((PPCOperand*)Operands[ErrorInfo])->getStartLoc(); + if (ErrorLoc == SMLoc()) ErrorLoc = IDLoc; + } + + return Error(ErrorLoc, "invalid operand for instruction"); + } + } + + llvm_unreachable("Implement any new match types added!"); +} + +bool PPCAsmParser:: +MatchRegisterName(const AsmToken &Tok, unsigned &RegNo, int64_t &IntVal) { + if (Tok.is(AsmToken::Identifier)) { + StringRef Name = Tok.getString().lower(); + + if (Name == "lr") { + RegNo = isPPC64()? PPC::LR8 : PPC::LR; + IntVal = 8; + return false; + } else if (Name == "ctr") { + RegNo = isPPC64()? PPC::CTR8 : PPC::CTR; + IntVal = 9; + return false; + } else if (Name.startswith("r") && + !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) { + RegNo = isPPC64()? XRegs[IntVal] : RRegs[IntVal]; + return false; + } else if (Name.startswith("f") && + !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) { + RegNo = FRegs[IntVal]; + return false; + } else if (Name.startswith("v") && + !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) { + RegNo = VRegs[IntVal]; + return false; + } else if (Name.startswith("cr") && + !Name.substr(2).getAsInteger(10, IntVal) && IntVal < 8) { + RegNo = CRRegs[IntVal]; + return false; + } + } + + return true; +} + +bool PPCAsmParser:: +ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) { + const AsmToken &Tok = Parser.getTok(); + StartLoc = Tok.getLoc(); + EndLoc = Tok.getEndLoc(); + RegNo = 0; + int64_t IntVal; + + if (!MatchRegisterName(Tok, RegNo, IntVal)) { + Parser.Lex(); // Eat identifier token. + return false; + } + + return Error(StartLoc, "invalid register name"); +} + +bool PPCAsmParser:: +ParseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands) { + SMLoc S = Parser.getTok().getLoc(); + SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); + const MCExpr *EVal; + PPCOperand *Op; + + // Attempt to parse the next token as an immediate + switch (getLexer().getKind()) { + // Special handling for register names. These are interpreted + // as immediates corresponding to the register number. + case AsmToken::Percent: + Parser.Lex(); // Eat the '%'. + unsigned RegNo; + int64_t IntVal; + if (!MatchRegisterName(Parser.getTok(), RegNo, IntVal)) { + Parser.Lex(); // Eat the identifier token. + Op = PPCOperand::CreateImm(IntVal, S, E, isPPC64()); + Operands.push_back(Op); + return false; + } + return Error(S, "invalid register name"); + + // All other expressions + case AsmToken::LParen: + case AsmToken::Plus: + case AsmToken::Minus: + case AsmToken::Integer: + case AsmToken::Identifier: + case AsmToken::Dot: + case AsmToken::Dollar: + if (!getParser().parseExpression(EVal)) + break; + /* fall through */ + default: + return Error(S, "unknown operand"); + } + + if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(EVal)) + Op = PPCOperand::CreateImm(CE->getValue(), S, E, isPPC64()); + else + Op = PPCOperand::CreateExpr(EVal, S, E, isPPC64()); + + // Push the parsed operand into the list of operands + Operands.push_back(Op); + + // Check for D-form memory operands + if (getLexer().is(AsmToken::LParen)) { + Parser.Lex(); // Eat the '('. + S = Parser.getTok().getLoc(); + + int64_t IntVal; + switch (getLexer().getKind()) { + case AsmToken::Percent: + Parser.Lex(); // Eat the '%'. + unsigned RegNo; + if (MatchRegisterName(Parser.getTok(), RegNo, IntVal)) + return Error(S, "invalid register name"); + Parser.Lex(); // Eat the identifier token. + break; + + case AsmToken::Integer: + if (getParser().parseAbsoluteExpression(IntVal) || + IntVal < 0 || IntVal > 31) + return Error(S, "invalid register number"); + break; + + default: + return Error(S, "invalid memory operand"); + } + + if (getLexer().isNot(AsmToken::RParen)) + return Error(Parser.getTok().getLoc(), "missing ')'"); + E = Parser.getTok().getLoc(); + Parser.Lex(); // Eat the ')'. + + Op = PPCOperand::CreateImm(IntVal, S, E, isPPC64()); + Operands.push_back(Op); + } + + return false; +} + +/// Parse an instruction mnemonic followed by its operands. +bool PPCAsmParser:: +ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc, + SmallVectorImpl<MCParsedAsmOperand*> &Operands) { + // The first operand is the token for the instruction name. + // If the instruction ends in a '.', we need to create a separate + // token for it, to match what TableGen is doing. + size_t Dot = Name.find('.'); + StringRef Mnemonic = Name.slice(0, Dot); + Operands.push_back(PPCOperand::CreateToken(Mnemonic, NameLoc, isPPC64())); + if (Dot != StringRef::npos) { + SMLoc DotLoc = SMLoc::getFromPointer(NameLoc.getPointer() + Dot); + StringRef DotStr = Name.slice(Dot, StringRef::npos); + Operands.push_back(PPCOperand::CreateToken(DotStr, DotLoc, isPPC64())); + } + + // If there are no more operands then finish + if (getLexer().is(AsmToken::EndOfStatement)) + return false; + + // Parse the first operand + if (ParseOperand(Operands)) + return true; + + while (getLexer().isNot(AsmToken::EndOfStatement) && + getLexer().is(AsmToken::Comma)) { + // Consume the comma token + getLexer().Lex(); + + // Parse the next operand + if (ParseOperand(Operands)) + return true; + } + + return false; +} + +/// ParseDirective parses the PPC specific directives +bool PPCAsmParser::ParseDirective(AsmToken DirectiveID) { + StringRef IDVal = DirectiveID.getIdentifier(); + if (IDVal == ".word") + return ParseDirectiveWord(4, DirectiveID.getLoc()); + if (IDVal == ".tc") + return ParseDirectiveTC(isPPC64()? 8 : 4, DirectiveID.getLoc()); + return true; +} + +/// ParseDirectiveWord +/// ::= .word [ expression (, expression)* ] +bool PPCAsmParser::ParseDirectiveWord(unsigned Size, SMLoc L) { + if (getLexer().isNot(AsmToken::EndOfStatement)) { + for (;;) { + const MCExpr *Value; + if (getParser().parseExpression(Value)) + return true; + + getParser().getStreamer().EmitValue(Value, Size); + + if (getLexer().is(AsmToken::EndOfStatement)) + break; + + if (getLexer().isNot(AsmToken::Comma)) + return Error(L, "unexpected token in directive"); + Parser.Lex(); + } + } + + Parser.Lex(); + return false; +} + +/// ParseDirectiveTC +/// ::= .tc [ symbol (, expression)* ] +bool PPCAsmParser::ParseDirectiveTC(unsigned Size, SMLoc L) { + // Skip TC symbol, which is only used with XCOFF. + while (getLexer().isNot(AsmToken::EndOfStatement) + && getLexer().isNot(AsmToken::Comma)) + Parser.Lex(); + if (getLexer().isNot(AsmToken::Comma)) + return Error(L, "unexpected token in directive"); + Parser.Lex(); + + // Align to word size. + getParser().getStreamer().EmitValueToAlignment(Size); + + // Emit expressions. + return ParseDirectiveWord(Size, L); +} + +/// Force static initialization. +extern "C" void LLVMInitializePowerPCAsmParser() { + RegisterMCAsmParser<PPCAsmParser> A(ThePPC32Target); + RegisterMCAsmParser<PPCAsmParser> B(ThePPC64Target); +} + +#define GET_REGISTER_MATCHER +#define GET_MATCHER_IMPLEMENTATION +#include "PPCGenAsmMatcher.inc" diff --git a/lib/Target/PowerPC/CMakeLists.txt b/lib/Target/PowerPC/CMakeLists.txt index 6036428..71803cd 100644 --- a/lib/Target/PowerPC/CMakeLists.txt +++ b/lib/Target/PowerPC/CMakeLists.txt @@ -1,6 +1,7 @@ set(LLVM_TARGET_DEFINITIONS PPC.td) tablegen(LLVM PPCGenAsmWriter.inc -gen-asm-writer) +tablegen(LLVM PPCGenAsmMatcher.inc -gen-asm-matcher) tablegen(LLVM PPCGenCodeEmitter.inc -gen-emitter) tablegen(LLVM PPCGenMCCodeEmitter.inc -gen-emitter -mc-emitter) tablegen(LLVM PPCGenRegisterInfo.inc -gen-register-info) @@ -32,6 +33,7 @@ add_llvm_target(PowerPCCodeGen add_dependencies(LLVMPowerPCCodeGen intrinsics_gen) +add_subdirectory(AsmParser) add_subdirectory(InstPrinter) add_subdirectory(TargetInfo) add_subdirectory(MCTargetDesc) diff --git a/lib/Target/PowerPC/LLVMBuild.txt b/lib/Target/PowerPC/LLVMBuild.txt index 95fac54..7b3e843 100644 --- a/lib/Target/PowerPC/LLVMBuild.txt +++ b/lib/Target/PowerPC/LLVMBuild.txt @@ -16,7 +16,7 @@ ;===------------------------------------------------------------------------===; [common] -subdirectories = InstPrinter MCTargetDesc TargetInfo +subdirectories = AsmParser InstPrinter MCTargetDesc TargetInfo [component_0] type = TargetGroup diff --git a/lib/Target/PowerPC/Makefile b/lib/Target/PowerPC/Makefile index 1617b26..6666694 100644 --- a/lib/Target/PowerPC/Makefile +++ b/lib/Target/PowerPC/Makefile @@ -12,12 +12,12 @@ LIBRARYNAME = LLVMPowerPCCodeGen TARGET = PPC # Make sure that tblgen is run, first thing. -BUILT_SOURCES = PPCGenRegisterInfo.inc \ +BUILT_SOURCES = PPCGenRegisterInfo.inc PPCGenAsmMatcher.inc \ PPCGenAsmWriter.inc PPCGenCodeEmitter.inc \ PPCGenInstrInfo.inc PPCGenDAGISel.inc \ PPCGenSubtargetInfo.inc PPCGenCallingConv.inc \ PPCGenMCCodeEmitter.inc -DIRS = InstPrinter TargetInfo MCTargetDesc +DIRS = AsmParser InstPrinter TargetInfo MCTargetDesc include $(LEVEL)/Makefile.common diff --git a/lib/Target/PowerPC/PPC.td b/lib/Target/PowerPC/PPC.td index 649ffc1..eb73c67 100644 --- a/lib/Target/PowerPC/PPC.td +++ b/lib/Target/PowerPC/PPC.td @@ -268,9 +268,14 @@ def PPCAsmWriter : AsmWriter { bit isMCAsmWriter = 1; } +def PPCAsmParser : AsmParser { + let ShouldEmitMatchRegisterName = 0; +} + def PPC : Target { // Information about the instructions. let InstructionSet = PPCInstrInfo; let AssemblyWriters = [PPCAsmWriter]; + let AssemblyParsers = [PPCAsmParser]; } diff --git a/lib/Target/PowerPC/PPCInstr64Bit.td b/lib/Target/PowerPC/PPCInstr64Bit.td index e5d0b91..bff4c23 100644 --- a/lib/Target/PowerPC/PPCInstr64Bit.td +++ b/lib/Target/PowerPC/PPCInstr64Bit.td @@ -17,17 +17,21 @@ // def s16imm64 : Operand<i64> { let PrintMethod = "printS16ImmOperand"; + let ParserMatchClass = PPCS16ImmAsmOperand; } def u16imm64 : Operand<i64> { let PrintMethod = "printU16ImmOperand"; + let ParserMatchClass = PPCU16ImmAsmOperand; } def symbolHi64 : Operand<i64> { let PrintMethod = "printSymbolHi"; let EncoderMethod = "getHA16Encoding"; + let ParserMatchClass = PPCS16ImmAsmOperand; } def symbolLo64 : Operand<i64> { let PrintMethod = "printSymbolLo"; let EncoderMethod = "getLO16Encoding"; + let ParserMatchClass = PPCS16ImmAsmOperand; } def tocentry : Operand<iPTR> { let MIOperandInfo = (ops i64imm:$imm); diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td index 7d3540e..d3d2ce9 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.td +++ b/lib/Target/PowerPC/PPCInstrInfo.td @@ -342,30 +342,101 @@ class NoEncode<string E> { // all their register operands. // For this purpose, we define one RegisterOperand for each RegisterClass, // using the same name as the class, just in lower case. -def gprc : RegisterOperand<GPRC>; -def g8rc : RegisterOperand<G8RC>; -def gprc_nor0 : RegisterOperand<GPRC_NOR0>; -def g8rc_nox0 : RegisterOperand<G8RC_NOX0>; -def f8rc : RegisterOperand<F8RC>; -def f4rc : RegisterOperand<F4RC>; -def vrrc : RegisterOperand<VRRC>; -def crbitrc : RegisterOperand<CRBITRC>; -def crrc : RegisterOperand<CRRC>; +def PPCRegGPRCAsmOperand : AsmOperandClass { + let Name = "RegGPRC"; let PredicateMethod = "isRegNumber"; +} +def gprc : RegisterOperand<GPRC> { + let ParserMatchClass = PPCRegGPRCAsmOperand; +} +def PPCRegG8RCAsmOperand : AsmOperandClass { + let Name = "RegG8RC"; let PredicateMethod = "isRegNumber"; +} +def g8rc : RegisterOperand<G8RC> { + let ParserMatchClass = PPCRegG8RCAsmOperand; +} +def PPCRegGPRCNoR0AsmOperand : AsmOperandClass { + let Name = "RegGPRCNoR0"; let PredicateMethod = "isRegNumber"; +} +def gprc_nor0 : RegisterOperand<GPRC_NOR0> { + let ParserMatchClass = PPCRegGPRCNoR0AsmOperand; +} +def PPCRegG8RCNoX0AsmOperand : AsmOperandClass { + let Name = "RegG8RCNoX0"; let PredicateMethod = "isRegNumber"; +} +def g8rc_nox0 : RegisterOperand<G8RC_NOX0> { + let ParserMatchClass = PPCRegG8RCNoX0AsmOperand; +} +def PPCRegF8RCAsmOperand : AsmOperandClass { + let Name = "RegF8RC"; let PredicateMethod = "isRegNumber"; +} +def f8rc : RegisterOperand<F8RC> { + let ParserMatchClass = PPCRegF8RCAsmOperand; +} +def PPCRegF4RCAsmOperand : AsmOperandClass { + let Name = "RegF4RC"; let PredicateMethod = "isRegNumber"; +} +def f4rc : RegisterOperand<F4RC> { + let ParserMatchClass = PPCRegF4RCAsmOperand; +} +def PPCRegVRRCAsmOperand : AsmOperandClass { + let Name = "RegVRRC"; let PredicateMethod = "isRegNumber"; +} +def vrrc : RegisterOperand<VRRC> { + let ParserMatchClass = PPCRegVRRCAsmOperand; +} +def PPCRegCRBITRCAsmOperand : AsmOperandClass { + let Name = "RegCRBITRC"; let PredicateMethod = "isRegNumber"; +} +def crbitrc : RegisterOperand<CRBITRC> { + let ParserMatchClass = PPCRegCRBITRCAsmOperand; +} +def PPCRegCRRCAsmOperand : AsmOperandClass { + let Name = "RegCRRC"; let PredicateMethod = "isCCRegNumber"; +} +def crrc : RegisterOperand<CRRC> { + let ParserMatchClass = PPCRegCRRCAsmOperand; +} + +def PPCS5ImmAsmOperand : AsmOperandClass { + let Name = "S5Imm"; let PredicateMethod = "isS5Imm"; + let RenderMethod = "addImmOperands"; +} def s5imm : Operand<i32> { let PrintMethod = "printS5ImmOperand"; + let ParserMatchClass = PPCS5ImmAsmOperand; +} +def PPCU5ImmAsmOperand : AsmOperandClass { + let Name = "U5Imm"; let PredicateMethod = "isU5Imm"; + let RenderMethod = "addImmOperands"; } def u5imm : Operand<i32> { let PrintMethod = "printU5ImmOperand"; + let ParserMatchClass = PPCU5ImmAsmOperand; +} +def PPCU6ImmAsmOperand : AsmOperandClass { + let Name = "U6Imm"; let PredicateMethod = "isU6Imm"; + let RenderMethod = "addImmOperands"; } def u6imm : Operand<i32> { let PrintMethod = "printU6ImmOperand"; + let ParserMatchClass = PPCU6ImmAsmOperand; +} +def PPCS16ImmAsmOperand : AsmOperandClass { + let Name = "S16Imm"; let PredicateMethod = "isS16Imm"; + let RenderMethod = "addImmOperands"; } def s16imm : Operand<i32> { let PrintMethod = "printS16ImmOperand"; + let ParserMatchClass = PPCS16ImmAsmOperand; +} +def PPCU16ImmAsmOperand : AsmOperandClass { + let Name = "U16Imm"; let PredicateMethod = "isU16Imm"; + let RenderMethod = "addImmOperands"; } def u16imm : Operand<i32> { let PrintMethod = "printU16ImmOperand"; + let ParserMatchClass = PPCU16ImmAsmOperand; } def directbrtarget : Operand<OtherVT> { let PrintMethod = "printBranchOperand"; @@ -384,21 +455,49 @@ def aaddr : Operand<iPTR> { def symbolHi: Operand<i32> { let PrintMethod = "printSymbolHi"; let EncoderMethod = "getHA16Encoding"; + let ParserMatchClass = PPCS16ImmAsmOperand; } def symbolLo: Operand<i32> { let PrintMethod = "printSymbolLo"; let EncoderMethod = "getLO16Encoding"; + let ParserMatchClass = PPCS16ImmAsmOperand; +} +def PPCCRBitMaskOperand : AsmOperandClass { + let Name = "CRBitMask"; let PredicateMethod = "isCRBitMask"; } def crbitm: Operand<i8> { let PrintMethod = "printcrbitm"; let EncoderMethod = "get_crbitm_encoding"; + let ParserMatchClass = PPCCRBitMaskOperand; } // Address operands // A version of ptr_rc which excludes R0 (or X0 in 64-bit mode). -def ptr_rc_nor0 : PointerLikeRegClass<1>; +def PPCRegGxRCNoR0Operand : AsmOperandClass { + let Name = "RegGxRCNoR0"; let PredicateMethod = "isRegNumber"; +} +def ptr_rc_nor0 : Operand<iPTR>, PointerLikeRegClass<1> { + let ParserMatchClass = PPCRegGxRCNoR0Operand; +} +// A version of ptr_rc usable with the asm parser. +def PPCRegGxRCOperand : AsmOperandClass { + let Name = "RegGxRC"; let PredicateMethod = "isRegNumber"; +} +def ptr_rc_idx : Operand<iPTR>, PointerLikeRegClass<0> { + let ParserMatchClass = PPCRegGxRCOperand; +} -def dispRI : Operand<iPTR>; -def dispRIX : Operand<iPTR>; +def PPCDispRIOperand : AsmOperandClass { + let Name = "DispRI"; let PredicateMethod = "isS16Imm"; +} +def dispRI : Operand<iPTR> { + let ParserMatchClass = PPCDispRIOperand; +} +def PPCDispRIXOperand : AsmOperandClass { + let Name = "DispRIX"; let PredicateMethod = "isS16ImmX4"; +} +def dispRIX : Operand<iPTR> { + let ParserMatchClass = PPCDispRIXOperand; +} def memri : Operand<iPTR> { let PrintMethod = "printMemRegImm"; @@ -407,7 +506,7 @@ def memri : Operand<iPTR> { } def memrr : Operand<iPTR> { let PrintMethod = "printMemRegReg"; - let MIOperandInfo = (ops ptr_rc_nor0:$ptrreg, ptr_rc:$offreg); + let MIOperandInfo = (ops ptr_rc_nor0:$ptrreg, ptr_rc_idx:$offreg); } def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits. let PrintMethod = "printMemRegImmShifted"; |
