diff options
Diffstat (limited to 'lib/Target/Mips')
| -rw-r--r-- | lib/Target/Mips/AsmParser/MipsAsmParser.cpp | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp index 8286f51b3e..4a226a9f9d 100644 --- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp +++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp @@ -203,7 +203,7 @@ class MipsAsmParser : public MCTargetAsmParser { unsigned getGPR(int RegNo); - int getATReg(); + int getATReg(SMLoc Loc); bool processInstruction(MCInst &Inst, SMLoc IDLoc, SmallVectorImpl<MCInst> &Instructions); @@ -1149,9 +1149,15 @@ void MipsAsmParser::expandMemInst(MCInst &Inst, SMLoc IDLoc, // but for stores we must use $at. if (isLoad && (BaseRegNum != RegOpNum)) TmpRegNum = RegOpNum; - else - TmpRegNum = getReg( - (isGP64()) ? Mips::GPR64RegClassID : Mips::GPR32RegClassID, getATReg()); + else { + int AT = getATReg(IDLoc); + // At this point we need AT to perform the expansions and we exit if it is + // not available. + if (!AT) + return; + TmpRegNum = + getReg((isGP64()) ? Mips::GPR64RegClassID : Mips::GPR32RegClassID, AT); + } TempInst.setOpcode(Mips::LUi); TempInst.addOperand(MCOperand::CreateReg(TmpRegNum)); @@ -1408,10 +1414,11 @@ bool MipsAssemblerOptions::setATReg(unsigned Reg) { return true; } -int MipsAsmParser::getATReg() { +int MipsAsmParser::getATReg(SMLoc Loc) { int AT = Options.getATRegNum(); if (AT == 0) - TokError("Pseudo instruction requires $at, which is not available"); + reportParseError(Loc, + "Pseudo instruction requires $at, which is not available"); return AT; } |