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[mips] Replace usages of register classes with register operands. Also, remove

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unnecessary jalr InstAliases in Mips64InstrInfo.td and add the code to print
jalr InstAliases in MipsInstPrinter::printAlias.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187821 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2013-08-06 22:20:40 +00:00
parent 0880939a59
commit a1fe9ef62e
7 changed files with 221 additions and 168 deletions
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46
lib/Target/Mips/AsmParser/MipsAsmParser.cpp
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@@ -114,6 +114,9 @@ class MipsAsmParser : public MCTargetAsmParser {
MipsAsmParser::OperandMatchResultTy
parseFCCRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
MipsAsmParser::OperandMatchResultTy
parseACRegsDSP(SmallVectorImpl<MCParsedAsmOperand*> &Operands);
bool searchSymbolAlias(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
unsigned RegKind);
@@ -223,7 +226,8 @@ public:
Kind_FGR64Regs,
Kind_AFGR64Regs,
Kind_CCRRegs,
Kind_FCCRegs
Kind_FCCRegs,
Kind_ACRegsDSP
};
private:
@@ -410,6 +414,10 @@ public:
return (Kind == k_Register) && Reg.Kind == Kind_FCCRegs;
}
bool isACRegsDSPAsm() const {
return Kind == k_Register && Reg.Kind == Kind_ACRegsDSP;
}
/// getStartLoc - Get the location of the first token of this operand.
SMLoc getStartLoc() const {
return StartLoc;
@@ -1272,7 +1280,8 @@ MipsAsmParser::parseRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands,
return MatchOperand_NoMatch;
Parser.Lex(); // Eat $
if (!tryParseRegisterOperand(Operands, isMips64())) {
if (!tryParseRegisterOperand(Operands,
RegKind == MipsOperand::Kind_CPU64Regs)) {
// Set the proper register kind.
MipsOperand* op = static_cast<MipsOperand*>(Operands.back());
op->setRegKind(Kind);
@@ -1367,6 +1376,39 @@ MipsAsmParser::parseFCCRegs(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
return MatchOperand_Success;
}
MipsAsmParser::OperandMatchResultTy
MipsAsmParser::parseACRegsDSP(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
// If the first token is not '$' we have an error.
if (Parser.getTok().isNot(AsmToken::Dollar))
return MatchOperand_NoMatch;
SMLoc S = Parser.getTok().getLoc();
Parser.Lex(); // Eat the '$'
const AsmToken &Tok = Parser.getTok(); // Get next token.
if (Tok.isNot(AsmToken::Identifier))
return MatchOperand_NoMatch;
if (!Tok.getIdentifier().startswith("acc"))
return MatchOperand_NoMatch;
StringRef NumString = Tok.getIdentifier().substr(3);
unsigned IntVal;
if (NumString.getAsInteger(10, IntVal))
return MatchOperand_NoMatch;
unsigned Reg = matchRegisterByNumber(IntVal, Mips::ACRegsDSPRegClassID);
MipsOperand *Op = MipsOperand::CreateReg(Reg, S, Parser.getTok().getLoc());
Op->setRegKind(MipsOperand::Kind_ACRegsDSP);
Operands.push_back(Op);
Parser.Lex(); // Eat the register number.
return MatchOperand_Success;
}
bool MipsAsmParser::searchSymbolAlias(
SmallVectorImpl<MCParsedAsmOperand*> &Operands, unsigned RegKind) {