diff options
Diffstat (limited to 'llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp')
| -rw-r--r-- | llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp index befc573826e..0795cb963b3 100644 --- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp +++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp @@ -418,6 +418,19 @@ bool MipsAsmParser::processInstruction(MCInst &Inst, SMLoc IDLoc, SmallVectorImpl<MCInst> &Instructions) { const MCInstrDesc &MCID = getInstDesc(Inst.getOpcode()); Inst.setLoc(IDLoc); + if (MCID.hasDelaySlot() && Options.isReorder()) { + // If this instruction has a delay slot and .set reorder is active, + // emit a NOP after it. + Instructions.push_back(Inst); + MCInst NopInst; + NopInst.setOpcode(Mips::SLL); + NopInst.addOperand(MCOperand::CreateReg(Mips::ZERO)); + NopInst.addOperand(MCOperand::CreateReg(Mips::ZERO)); + NopInst.addOperand(MCOperand::CreateImm(0)); + Instructions.push_back(NopInst); + return false; + } + if (MCID.mayLoad() || MCID.mayStore()) { // Check the offset of memory operand, if it is a symbol // reference or immediate we may have to expand instructions. |
