diff options
Diffstat (limited to 'llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp')
| -rw-r--r-- | llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp index cdbf4a62c8c..600316acaeb 100644 --- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp +++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp @@ -3824,6 +3824,8 @@ MipsAsmParser::checkEarlyTargetMatchPredicate(MCInst &Inst, return Match_Success; case Mips::DATI: case Mips::DAHI: + case Mips::DATI_MM64R6: + case Mips::DAHI_MM64R6: if (static_cast<MipsOperand &>(*Operands[1]) .isValidForTie(static_cast<MipsOperand &>(*Operands[2]))) return Match_Success; @@ -3832,6 +3834,14 @@ MipsAsmParser::checkEarlyTargetMatchPredicate(MCInst &Inst, } unsigned MipsAsmParser::checkTargetMatchPredicate(MCInst &Inst) { switch (Inst.getOpcode()) { + // As described by the MIPSR6 spec, daui must not use the zero operand for + // its source operand. + case Mips::DAUI: + case Mips::DAUI_MM64R6: + if (Inst.getOperand(1).getReg() == Mips::ZERO || + Inst.getOperand(1).getReg() == Mips::ZERO_64) + return Match_RequiresNoZeroRegister; + return Match_Success; // As described by the Mips32r2 spec, the registers Rd and Rs for // jalr.hb must be different. // It also applies for registers Rt and Rs of microMIPSr6 jalrc.hb instruction |
