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-rw-r--r--contrib/llvm/patches/patch-r262261-llvm-r198484-sparc.diff844
1 files changed, 844 insertions, 0 deletions
diff --git a/contrib/llvm/patches/patch-r262261-llvm-r198484-sparc.diff b/contrib/llvm/patches/patch-r262261-llvm-r198484-sparc.diff
new file mode 100644
index 0000000..3bfb7d5
--- /dev/null
+++ b/contrib/llvm/patches/patch-r262261-llvm-r198484-sparc.diff
@@ -0,0 +1,844 @@
+Pull in r198484 from upstream llvm trunk (by Venkatraman Govindaraju):
+
+ [Sparc] Add the initial implementation of an asm parser for sparc/sparcv9.
+
+Introduced here: http://svn.freebsd.org/changeset/base/262261
+
+Index: lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
+===================================================================
+--- lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
++++ lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
+@@ -123,13 +123,18 @@ extern "C" void LLVMInitializeSparcTargetMC() {
+
+ // Register the MC instruction info.
+ TargetRegistry::RegisterMCInstrInfo(TheSparcTarget, createSparcMCInstrInfo);
++ TargetRegistry::RegisterMCInstrInfo(TheSparcV9Target, createSparcMCInstrInfo);
+
+ // Register the MC register info.
+ TargetRegistry::RegisterMCRegInfo(TheSparcTarget, createSparcMCRegisterInfo);
++ TargetRegistry::RegisterMCRegInfo(TheSparcV9Target,
++ createSparcMCRegisterInfo);
+
+ // Register the MC subtarget info.
+ TargetRegistry::RegisterMCSubtargetInfo(TheSparcTarget,
+ createSparcMCSubtargetInfo);
++ TargetRegistry::RegisterMCSubtargetInfo(TheSparcV9Target,
++ createSparcMCSubtargetInfo);
+
+ TargetRegistry::RegisterAsmStreamer(TheSparcTarget,
+ createMCAsmStreamer);
+Index: lib/Target/Sparc/LLVMBuild.txt
+===================================================================
+--- lib/Target/Sparc/LLVMBuild.txt
++++ lib/Target/Sparc/LLVMBuild.txt
+@@ -16,7 +16,7 @@
+ ;===------------------------------------------------------------------------===;
+
+ [common]
+-subdirectories = InstPrinter MCTargetDesc TargetInfo
++subdirectories = AsmParser InstPrinter MCTargetDesc TargetInfo
+
+ [component_0]
+ type = TargetGroup
+Index: lib/Target/Sparc/SparcInstrInfo.td
+===================================================================
+--- lib/Target/Sparc/SparcInstrInfo.td
++++ lib/Target/Sparc/SparcInstrInfo.td
+@@ -76,13 +76,25 @@ def ADDRrr : ComplexPattern<iPTR, 2, "SelectADDRrr
+ def ADDRri : ComplexPattern<iPTR, 2, "SelectADDRri", [frameindex], []>;
+
+ // Address operands
++def SparcMEMrrAsmOperand : AsmOperandClass {
++ let Name = "MEMrr";
++ let ParserMethod = "parseMEMrrOperand";
++}
++
++def SparcMEMriAsmOperand : AsmOperandClass {
++ let Name = "MEMri";
++ let ParserMethod = "parseMEMriOperand";
++}
++
+ def MEMrr : Operand<iPTR> {
+ let PrintMethod = "printMemOperand";
+ let MIOperandInfo = (ops ptr_rc, ptr_rc);
++ let ParserMatchClass = SparcMEMrrAsmOperand;
+ }
+ def MEMri : Operand<iPTR> {
+ let PrintMethod = "printMemOperand";
+ let MIOperandInfo = (ops ptr_rc, i32imm);
++ let ParserMatchClass = SparcMEMriAsmOperand;
+ }
+
+ def TLSSym : Operand<iPTR>;
+@@ -239,7 +251,10 @@ multiclass F3_12np<string OpcStr, bits<6> Op3Val>
+
+ // Pseudo instructions.
+ class Pseudo<dag outs, dag ins, string asmstr, list<dag> pattern>
+- : InstSP<outs, ins, asmstr, pattern>;
++ : InstSP<outs, ins, asmstr, pattern> {
++ let isCodeGenOnly = 1;
++ let isPseudo = 1;
++}
+
+ // GETPCX for PIC
+ let Defs = [O7] in {
+@@ -503,7 +518,7 @@ defm SRA : F3_12<"sra", 0b100111, sra, IntRegs, i3
+ defm ADD : F3_12<"add", 0b000000, add, IntRegs, i32, i32imm>;
+
+ // "LEA" forms of add (patterns to make tblgen happy)
+-let Predicates = [Is32Bit] in
++let Predicates = [Is32Bit], isCodeGenOnly = 1 in
+ def LEA_ADDri : F3_2<2, 0b000000,
+ (outs IntRegs:$dst), (ins MEMri:$addr),
+ "add ${addr:arith}, $dst",
+Index: lib/Target/Sparc/CMakeLists.txt
+===================================================================
+--- lib/Target/Sparc/CMakeLists.txt
++++ lib/Target/Sparc/CMakeLists.txt
+@@ -4,6 +4,7 @@ tablegen(LLVM SparcGenRegisterInfo.inc -gen-regist
+ tablegen(LLVM SparcGenInstrInfo.inc -gen-instr-info)
+ tablegen(LLVM SparcGenCodeEmitter.inc -gen-emitter)
+ tablegen(LLVM SparcGenAsmWriter.inc -gen-asm-writer)
++tablegen(LLVM SparcGenAsmMatcher.inc -gen-asm-matcher)
+ tablegen(LLVM SparcGenDAGISel.inc -gen-dag-isel)
+ tablegen(LLVM SparcGenSubtargetInfo.inc -gen-subtarget)
+ tablegen(LLVM SparcGenCallingConv.inc -gen-callingconv)
+@@ -31,3 +32,4 @@ add_dependencies(LLVMSparcCodeGen SparcCommonTable
+ add_subdirectory(TargetInfo)
+ add_subdirectory(MCTargetDesc)
+ add_subdirectory(InstPrinter)
++add_subdirectory(AsmParser)
+Index: lib/Target/Sparc/Makefile
+===================================================================
+--- lib/Target/Sparc/Makefile
++++ lib/Target/Sparc/Makefile
+@@ -13,11 +13,12 @@ TARGET = Sparc
+
+ # Make sure that tblgen is run, first thing.
+ BUILT_SOURCES = SparcGenRegisterInfo.inc SparcGenInstrInfo.inc \
+- SparcGenAsmWriter.inc SparcGenDAGISel.inc \
++ SparcGenAsmWriter.inc SparcGenAsmMatcher.inc \
++ SparcGenDAGISel.inc \
+ SparcGenSubtargetInfo.inc SparcGenCallingConv.inc \
+ SparcGenCodeEmitter.inc
+
+-DIRS = InstPrinter TargetInfo MCTargetDesc
++DIRS = InstPrinter AsmParser TargetInfo MCTargetDesc
+
+ include $(LEVEL)/Makefile.common
+
+Index: lib/Target/Sparc/Sparc.td
+===================================================================
+--- lib/Target/Sparc/Sparc.td
++++ lib/Target/Sparc/Sparc.td
+@@ -44,6 +44,10 @@ include "SparcInstrInfo.td"
+
+ def SparcInstrInfo : InstrInfo;
+
++def SparcAsmParser : AsmParser {
++ bit ShouldEmitMatchRegisterName = 0;
++}
++
+ //===----------------------------------------------------------------------===//
+ // SPARC processors supported.
+ //===----------------------------------------------------------------------===//
+@@ -77,6 +81,7 @@ def SparcAsmWriter : AsmWriter {
+ def Sparc : Target {
+ // Pull in Instruction Info:
+ let InstructionSet = SparcInstrInfo;
++ let AssemblyParsers = [SparcAsmParser];
+
+ let AssemblyWriters = [SparcAsmWriter];
+ }
+Index: lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
+===================================================================
+--- lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
++++ lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
+@@ -0,0 +1,614 @@
++//===-- SparcAsmParser.cpp - Parse Sparc assembly 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/SparcMCTargetDesc.h"
++#include "llvm/ADT/STLExtras.h"
++#include "llvm/MC/MCContext.h"
++#include "llvm/MC/MCInst.h"
++#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
++#include "llvm/MC/MCStreamer.h"
++#include "llvm/MC/MCSubtargetInfo.h"
++#include "llvm/MC/MCTargetAsmParser.h"
++#include "llvm/Support/TargetRegistry.h"
++
++using namespace llvm;
++
++// The generated AsmMatcher SparcGenAsmMatcher uses "Sparc" as the target
++// namespace. But SPARC backend uses "SP" as its namespace.
++namespace llvm {
++ namespace Sparc {
++ using namespace SP;
++ }
++}
++
++namespace {
++class SparcAsmParser : public MCTargetAsmParser {
++
++ MCSubtargetInfo &STI;
++ MCAsmParser &Parser;
++
++ /// @name Auto-generated Match Functions
++ /// {
++
++#define GET_ASSEMBLER_HEADER
++#include "SparcGenAsmMatcher.inc"
++
++ /// }
++
++ // public interface of the MCTargetAsmParser.
++ bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
++ SmallVectorImpl<MCParsedAsmOperand*> &Operands,
++ MCStreamer &Out, unsigned &ErrorInfo,
++ bool MatchingInlineAsm);
++ bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc);
++ bool ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
++ SMLoc NameLoc,
++ SmallVectorImpl<MCParsedAsmOperand*> &Operands);
++ bool ParseDirective(AsmToken DirectiveID);
++
++
++ // Custom parse functions for Sparc specific operands.
++ OperandMatchResultTy
++ parseMEMrrOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
++ OperandMatchResultTy
++ parseMEMriOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
++
++ OperandMatchResultTy
++ parseMEMOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
++ int ImmOffsetOrReg);
++
++ OperandMatchResultTy
++ parseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
++ StringRef Name);
++
++ // returns true if Tok is matched to a register and returns register in RegNo.
++ bool matchRegisterName(const AsmToken &Tok, unsigned &RegNo, bool isDFP,
++ bool isQFP);
++
++public:
++ SparcAsmParser(MCSubtargetInfo &sti, MCAsmParser &parser,
++ const MCInstrInfo &MII)
++ : MCTargetAsmParser(), STI(sti), Parser(parser) {
++ // Initialize the set of available features.
++ setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
++ }
++
++};
++
++ static unsigned IntRegs[32] = {
++ Sparc::G0, Sparc::G1, Sparc::G2, Sparc::G3,
++ Sparc::G4, Sparc::G5, Sparc::G6, Sparc::G7,
++ Sparc::O0, Sparc::O1, Sparc::O2, Sparc::O3,
++ Sparc::O4, Sparc::O5, Sparc::O6, Sparc::O7,
++ Sparc::L0, Sparc::L1, Sparc::L2, Sparc::L3,
++ Sparc::L4, Sparc::L5, Sparc::L6, Sparc::L7,
++ Sparc::I0, Sparc::I1, Sparc::I2, Sparc::I3,
++ Sparc::I4, Sparc::I5, Sparc::I6, Sparc::I7 };
++
++ static unsigned FloatRegs[32] = {
++ Sparc::F0, Sparc::F1, Sparc::F2, Sparc::F3,
++ Sparc::F4, Sparc::F5, Sparc::F6, Sparc::F7,
++ Sparc::F8, Sparc::F9, Sparc::F10, Sparc::F11,
++ Sparc::F12, Sparc::F13, Sparc::F14, Sparc::F15,
++ Sparc::F16, Sparc::F17, Sparc::F18, Sparc::F19,
++ Sparc::F20, Sparc::F21, Sparc::F22, Sparc::F23,
++ Sparc::F24, Sparc::F25, Sparc::F26, Sparc::F27,
++ Sparc::F28, Sparc::F29, Sparc::F30, Sparc::F31 };
++
++ static unsigned DoubleRegs[32] = {
++ Sparc::D0, Sparc::D1, Sparc::D2, Sparc::D3,
++ Sparc::D4, Sparc::D5, Sparc::D6, Sparc::D7,
++ Sparc::D8, Sparc::D7, Sparc::D8, Sparc::D9,
++ Sparc::D12, Sparc::D13, Sparc::D14, Sparc::D15,
++ Sparc::D16, Sparc::D17, Sparc::D18, Sparc::D19,
++ Sparc::D20, Sparc::D21, Sparc::D22, Sparc::D23,
++ Sparc::D24, Sparc::D25, Sparc::D26, Sparc::D27,
++ Sparc::D28, Sparc::D29, Sparc::D30, Sparc::D31 };
++
++ static unsigned QuadFPRegs[32] = {
++ Sparc::Q0, Sparc::Q1, Sparc::Q2, Sparc::Q3,
++ Sparc::Q4, Sparc::Q5, Sparc::Q6, Sparc::Q7,
++ Sparc::Q8, Sparc::Q7, Sparc::Q8, Sparc::Q9,
++ Sparc::Q12, Sparc::Q13, Sparc::Q14, Sparc::Q15 };
++
++
++/// SparcOperand - Instances of this class represent a parsed Sparc machine
++/// instruction.
++class SparcOperand : public MCParsedAsmOperand {
++public:
++ enum RegisterKind {
++ rk_None,
++ rk_IntReg,
++ rk_FloatReg,
++ rk_DoubleReg,
++ rk_QuadReg,
++ rk_CCReg,
++ rk_Y
++ };
++private:
++ enum KindTy {
++ k_Token,
++ k_Register,
++ k_Immediate,
++ k_MemoryReg,
++ k_MemoryImm
++ } Kind;
++
++ SMLoc StartLoc, EndLoc;
++
++ SparcOperand(KindTy K) : MCParsedAsmOperand(), Kind(K) {}
++
++ struct Token {
++ const char *Data;
++ unsigned Length;
++ };
++
++ struct RegOp {
++ unsigned RegNum;
++ RegisterKind Kind;
++ };
++
++ struct ImmOp {
++ const MCExpr *Val;
++ };
++
++ struct MemOp {
++ unsigned Base;
++ unsigned OffsetReg;
++ const MCExpr *Off;
++ };
++
++ union {
++ struct Token Tok;
++ struct RegOp Reg;
++ struct ImmOp Imm;
++ struct MemOp Mem;
++ };
++public:
++ bool isToken() const { return Kind == k_Token; }
++ bool isReg() const { return Kind == k_Register; }
++ bool isImm() const { return Kind == k_Immediate; }
++ bool isMem() const { return isMEMrr() || isMEMri(); }
++ bool isMEMrr() const { return Kind == k_MemoryReg; }
++ bool isMEMri() const { return Kind == k_MemoryImm; }
++
++ StringRef getToken() const {
++ assert(Kind == k_Token && "Invalid access!");
++ return StringRef(Tok.Data, Tok.Length);
++ }
++
++ unsigned getReg() const {
++ assert((Kind == k_Register) && "Invalid access!");
++ return Reg.RegNum;
++ }
++
++ const MCExpr *getImm() const {
++ assert((Kind == k_Immediate) && "Invalid access!");
++ return Imm.Val;
++ }
++
++ unsigned getMemBase() const {
++ assert((Kind == k_MemoryReg || Kind == k_MemoryImm) && "Invalid access!");
++ return Mem.Base;
++ }
++
++ unsigned getMemOffsetReg() const {
++ assert((Kind == k_MemoryReg) && "Invalid access!");
++ return Mem.OffsetReg;
++ }
++
++ const MCExpr *getMemOff() const {
++ assert((Kind == k_MemoryImm) && "Invalid access!");
++ return Mem.Off;
++ }
++
++ /// 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;
++ }
++
++ virtual void print(raw_ostream &OS) const {
++ switch (Kind) {
++ case k_Token: OS << "Token: " << getToken() << "\n"; break;
++ case k_Register: OS << "Reg: #" << getReg() << "\n"; break;
++ case k_Immediate: OS << "Imm: " << getImm() << "\n"; break;
++ case k_MemoryReg: OS << "Mem: " << getMemBase() << "+"
++ << getMemOffsetReg() << "\n"; break;
++ case k_MemoryImm: assert(getMemOff() != 0);
++ OS << "Mem: " << getMemBase()
++ << "+" << *getMemOff()
++ << "\n"; break;
++ }
++ }
++
++ void addRegOperands(MCInst &Inst, unsigned N) const {
++ assert(N == 1 && "Invalid number of operands!");
++ Inst.addOperand(MCOperand::CreateReg(getReg()));
++ }
++
++ void addImmOperands(MCInst &Inst, unsigned N) const {
++ assert(N == 1 && "Invalid number of operands!");
++ const MCExpr *Expr = getImm();
++ addExpr(Inst, Expr);
++ }
++
++ void addExpr(MCInst &Inst, const MCExpr *Expr) const{
++ // Add as immediate when possible. Null MCExpr = 0.
++ if (Expr == 0)
++ Inst.addOperand(MCOperand::CreateImm(0));
++ else if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr))
++ Inst.addOperand(MCOperand::CreateImm(CE->getValue()));
++ else
++ Inst.addOperand(MCOperand::CreateExpr(Expr));
++ }
++
++ void addMEMrrOperands(MCInst &Inst, unsigned N) const {
++ assert(N == 2 && "Invalid number of operands!");
++
++ Inst.addOperand(MCOperand::CreateReg(getMemBase()));
++
++ assert(getMemOffsetReg() != 0 && "Invalid offset");
++ Inst.addOperand(MCOperand::CreateReg(getMemOffsetReg()));
++ }
++
++ void addMEMriOperands(MCInst &Inst, unsigned N) const {
++ assert(N == 2 && "Invalid number of operands!");
++
++ Inst.addOperand(MCOperand::CreateReg(getMemBase()));
++
++ const MCExpr *Expr = getMemOff();
++ addExpr(Inst, Expr);
++ }
++
++ static SparcOperand *CreateToken(StringRef Str, SMLoc S) {
++ SparcOperand *Op = new SparcOperand(k_Token);
++ Op->Tok.Data = Str.data();
++ Op->Tok.Length = Str.size();
++ Op->StartLoc = S;
++ Op->EndLoc = S;
++ return Op;
++ }
++
++ static SparcOperand *CreateReg(unsigned RegNum,
++ SparcOperand::RegisterKind Kind,
++ SMLoc S, SMLoc E) {
++ SparcOperand *Op = new SparcOperand(k_Register);
++ Op->Reg.RegNum = RegNum;
++ Op->Reg.Kind = Kind;
++ Op->StartLoc = S;
++ Op->EndLoc = E;
++ return Op;
++ }
++
++ static SparcOperand *CreateImm(const MCExpr *Val, SMLoc S, SMLoc E) {
++ SparcOperand *Op = new SparcOperand(k_Immediate);
++ Op->Imm.Val = Val;
++ Op->StartLoc = S;
++ Op->EndLoc = E;
++ return Op;
++ }
++
++
++};
++
++} // end namespace
++
++bool SparcAsmParser::
++MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
++ SmallVectorImpl<MCParsedAsmOperand*> &Operands,
++ MCStreamer &Out, unsigned &ErrorInfo,
++ bool MatchingInlineAsm) {
++ MCInst Inst;
++ SmallVector<MCInst, 8> Instructions;
++ unsigned MatchResult = MatchInstructionImpl(Operands, Inst, ErrorInfo,
++ MatchingInlineAsm);
++ switch (MatchResult) {
++ default:
++ break;
++
++ case Match_Success: {
++ Inst.setLoc(IDLoc);
++ Out.EmitInstruction(Inst);
++ return false;
++ }
++
++ case Match_MissingFeature:
++ return Error(IDLoc,
++ "instruction requires a CPU feature not currently enabled");
++
++ case Match_InvalidOperand: {
++ SMLoc ErrorLoc = IDLoc;
++ if (ErrorInfo != ~0U) {
++ if (ErrorInfo >= Operands.size())
++ return Error(IDLoc, "too few operands for instruction");
++
++ ErrorLoc = ((SparcOperand*) Operands[ErrorInfo])->getStartLoc();
++ if (ErrorLoc == SMLoc())
++ ErrorLoc = IDLoc;
++ }
++
++ return Error(ErrorLoc, "invalid operand for instruction");
++ }
++ case Match_MnemonicFail:
++ return Error(IDLoc, "invalid instruction");
++ }
++ return true;
++}
++
++bool SparcAsmParser::
++ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc)
++{
++ const AsmToken &Tok = Parser.getTok();
++ StartLoc = Tok.getLoc();
++ EndLoc = Tok.getEndLoc();
++ RegNo = 0;
++ if (getLexer().getKind() != AsmToken::Percent)
++ return false;
++ Parser.Lex();
++ if (matchRegisterName(Tok, RegNo, false, false)) {
++ Parser.Lex();
++ return false;
++ }
++
++ return Error(StartLoc, "invalid register name");
++}
++
++bool SparcAsmParser::
++ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
++ SMLoc NameLoc,
++ SmallVectorImpl<MCParsedAsmOperand*> &Operands)
++{
++ // Check if we have valid mnemonic.
++ if (!mnemonicIsValid(Name, 0)) {
++ Parser.eatToEndOfStatement();
++ return Error(NameLoc, "Unknown instruction");
++ }
++ // First operand in MCInst is instruction mnemonic.
++ Operands.push_back(SparcOperand::CreateToken(Name, NameLoc));
++
++ if (getLexer().isNot(AsmToken::EndOfStatement)) {
++ // Read the first operand.
++ if (parseOperand(Operands, Name) != MatchOperand_Success) {
++ SMLoc Loc = getLexer().getLoc();
++ Parser.eatToEndOfStatement();
++ return Error(Loc, "unexpected token");
++ }
++
++ while (getLexer().is(AsmToken::Comma)) {
++ Parser.Lex(); // Eat the comma.
++ // Parse and remember the operand.
++ if (parseOperand(Operands, Name) != MatchOperand_Success) {
++ SMLoc Loc = getLexer().getLoc();
++ Parser.eatToEndOfStatement();
++ return Error(Loc, "unexpected token");
++ }
++ }
++ }
++ if (getLexer().isNot(AsmToken::EndOfStatement)) {
++ SMLoc Loc = getLexer().getLoc();
++ Parser.eatToEndOfStatement();
++ return Error(Loc, "unexpected token");
++ }
++ Parser.Lex(); // Consume the EndOfStatement.
++ return false;
++}
++
++bool SparcAsmParser::
++ParseDirective(AsmToken DirectiveID)
++{
++ // Ignore all directives for now.
++ Parser.eatToEndOfStatement();
++ return false;
++}
++
++SparcAsmParser::OperandMatchResultTy SparcAsmParser::
++parseMEMOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
++ int ImmOffsetOrReg)
++{
++ // FIXME: Implement memory operand parsing here.
++ return MatchOperand_NoMatch;
++}
++
++SparcAsmParser::OperandMatchResultTy SparcAsmParser::
++parseMEMrrOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands)
++{
++ return parseMEMOperand(Operands, 2);
++}
++
++SparcAsmParser::OperandMatchResultTy SparcAsmParser::
++parseMEMriOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands)
++{
++ return parseMEMOperand(Operands, 1);
++}
++
++SparcAsmParser::OperandMatchResultTy SparcAsmParser::
++parseOperand(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
++ StringRef Mnemonic)
++{
++ OperandMatchResultTy ResTy = MatchOperandParserImpl(Operands, Mnemonic);
++ if (ResTy == MatchOperand_Success)
++ return ResTy;
++ // If there wasn't a custom match, try the generic matcher below. Otherwise,
++ // there was a match, but an error occurred, in which case, just return that
++ // the operand parsing failed.
++ if (ResTy == MatchOperand_ParseFail)
++ return ResTy;
++
++ SMLoc S = Parser.getTok().getLoc();
++ SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1);
++ const MCExpr *EVal;
++ SparcOperand *Op;
++ switch (getLexer().getKind()) {
++ case AsmToken::Percent:
++ Parser.Lex(); // Eat the '%'.
++ unsigned RegNo;
++ if (matchRegisterName(Parser.getTok(), RegNo, false, false)) {
++ Parser.Lex(); // Eat the identifier token.
++ Op = SparcOperand::CreateReg(RegNo, SparcOperand::rk_None, S, E);
++ break;
++ }
++ // FIXME: Handle modifiers like %hi, %lo etc.,
++ return MatchOperand_ParseFail;
++
++ case AsmToken::Minus:
++ case AsmToken::Integer:
++ if (getParser().parseExpression(EVal))
++ return MatchOperand_ParseFail;
++
++ Op = SparcOperand::CreateImm(EVal, S, E);
++ break;
++
++ case AsmToken::Identifier: {
++ StringRef Identifier;
++ if (getParser().parseIdentifier(Identifier))
++ return MatchOperand_ParseFail;
++ SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1);
++ MCSymbol *Sym = getContext().GetOrCreateSymbol(Identifier);
++
++ // Otherwise create a symbol reference.
++ const MCExpr *Res = MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_None,
++ getContext());
++
++ Op = SparcOperand::CreateImm(Res, S, E);
++ break;
++ }
++
++ case AsmToken::LBrac: // handle [
++ return parseMEMOperand(Operands, 0);
++
++ default:
++ return MatchOperand_ParseFail;
++ }
++ // Push the parsed operand into the list of operands
++ Operands.push_back(Op);
++ return MatchOperand_Success;
++}
++
++bool SparcAsmParser::matchRegisterName(const AsmToken &Tok,
++ unsigned &RegNo,
++ bool isDFP,
++ bool isQFP)
++{
++ int64_t intVal = 0;
++ RegNo = 0;
++ if (Tok.is(AsmToken::Identifier)) {
++ StringRef name = Tok.getString();
++
++ // %fp
++ if (name.equals("fp")) {
++ RegNo = Sparc::I6;
++ return true;
++ }
++ // %sp
++ if (name.equals("sp")) {
++ RegNo = Sparc::O6;
++ return true;
++ }
++
++ if (name.equals("y")) {
++ RegNo = Sparc::Y;
++ return true;
++ }
++
++ if (name.equals("icc")) {
++ RegNo = Sparc::ICC;
++ return true;
++ }
++
++ if (name.equals("xcc")) {
++ // FIXME:: check 64bit.
++ RegNo = Sparc::ICC;
++ return true;
++ }
++
++ // %fcc0 - %fcc3
++ if (name.substr(0, 3).equals_lower("fcc")
++ && !name.substr(3).getAsInteger(10, intVal)
++ && intVal < 4) {
++ // FIXME: check 64bit and handle %fcc1 - %fcc3
++ RegNo = Sparc::FCC;
++ return true;
++ }
++
++ // %g0 - %g7
++ if (name.substr(0, 1).equals_lower("g")
++ && !name.substr(1).getAsInteger(10, intVal)
++ && intVal < 8) {
++ RegNo = IntRegs[intVal];
++ return true;
++ }
++ // %o0 - %o7
++ if (name.substr(0, 1).equals_lower("o")
++ && !name.substr(1).getAsInteger(10, intVal)
++ && intVal < 8) {
++ RegNo = IntRegs[8 + intVal];
++ return true;
++ }
++ if (name.substr(0, 1).equals_lower("l")
++ && !name.substr(1).getAsInteger(10, intVal)
++ && intVal < 8) {
++ RegNo = IntRegs[16 + intVal];
++ return true;
++ }
++ if (name.substr(0, 1).equals_lower("i")
++ && !name.substr(1).getAsInteger(10, intVal)
++ && intVal < 8) {
++ RegNo = IntRegs[24 + intVal];
++ return true;
++ }
++ // %f0 - %f31
++ if (name.substr(0, 1).equals_lower("f")
++ && !name.substr(1, 2).getAsInteger(10, intVal) && intVal < 32) {
++ if (isDFP && (intVal%2 == 0)) {
++ RegNo = DoubleRegs[intVal/2];
++ } else if (isQFP && (intVal%4 == 0)) {
++ RegNo = QuadFPRegs[intVal/4];
++ } else {
++ RegNo = FloatRegs[intVal];
++ }
++ return true;
++ }
++ // %f32 - %f62
++ if (name.substr(0, 1).equals_lower("f")
++ && !name.substr(1, 2).getAsInteger(10, intVal)
++ && intVal >= 32 && intVal <= 62 && (intVal % 2 == 0)) {
++ if (isDFP) {
++ RegNo = DoubleRegs[16 + intVal/2];
++ } else if (isQFP && (intVal % 4 == 0)) {
++ RegNo = QuadFPRegs[8 + intVal/4];
++ } else {
++ return false;
++ }
++ return true;
++ }
++
++ // %r0 - %r31
++ if (name.substr(0, 1).equals_lower("r")
++ && !name.substr(1, 2).getAsInteger(10, intVal) && intVal < 31) {
++ RegNo = IntRegs[intVal];
++ return true;
++ }
++ }
++ return false;
++}
++
++
++
++extern "C" void LLVMInitializeSparcAsmParser() {
++ RegisterMCAsmParser<SparcAsmParser> A(TheSparcTarget);
++ RegisterMCAsmParser<SparcAsmParser> B(TheSparcV9Target);
++}
++
++#define GET_REGISTER_MATCHER
++#define GET_MATCHER_IMPLEMENTATION
++#include "SparcGenAsmMatcher.inc"
+Index: lib/Target/Sparc/AsmParser/LLVMBuild.txt
+===================================================================
+--- lib/Target/Sparc/AsmParser/LLVMBuild.txt
++++ lib/Target/Sparc/AsmParser/LLVMBuild.txt
+@@ -0,0 +1,23 @@
++;===- ./lib/Target/Sparc/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 = SparcAsmParser
++parent = Sparc
++required_libraries = MC MCParser Support SparcDesc SparcInfo
++add_to_library_groups = Sparc
+Index: lib/Target/Sparc/AsmParser/CMakeLists.txt
+===================================================================
+--- lib/Target/Sparc/AsmParser/CMakeLists.txt
++++ lib/Target/Sparc/AsmParser/CMakeLists.txt
+@@ -0,0 +1,3 @@
++add_llvm_library(LLVMSparcAsmParser
++ SparcAsmParser.cpp
++ )
+Index: lib/Target/Sparc/AsmParser/Makefile
+===================================================================
+--- lib/Target/Sparc/AsmParser/Makefile
++++ lib/Target/Sparc/AsmParser/Makefile
+@@ -0,0 +1,15 @@
++##===- lib/Target/Sparc/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 = LLVMSparcAsmParser
++
++# Hack: we need to include 'main' Sparc target directory to grab private headers
++CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
++
++include $(LEVEL)/Makefile.common
+Index: lib/Target/Sparc/SparcInstr64Bit.td
+===================================================================
+--- lib/Target/Sparc/SparcInstr64Bit.td
++++ lib/Target/Sparc/SparcInstr64Bit.td
+@@ -176,11 +176,11 @@ def : Pat<(SPcmpicc i64:$a, (i64 simm13:$b)), (CMP
+ def : Pat<(ctpop i64:$src), (POPCrr $src)>;
+
+ // "LEA" form of add
++let isCodeGenOnly = 1 in
+ def LEAX_ADDri : F3_2<2, 0b000000,
+ (outs I64Regs:$dst), (ins MEMri:$addr),
+ "add ${addr:arith}, $dst",
+ [(set iPTR:$dst, ADDRri:$addr)]>;
+-
+ } // Predicates = [Is64Bit]
+
+
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