diff options
| -rw-r--r-- | llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h b/llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h index 6e7bdfe4da2..3f0316396e9 100644 --- a/llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h +++ b/llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h @@ -627,26 +627,25 @@ namespace X86II { /// in this instruction. /// If this is a two-address instruction,skip one of the register operands. /// FIXME: This should be handled during MCInst lowering. - inline int getOperandBias(const MCInstrDesc& Desc) + inline unsigned getOperandBias(const MCInstrDesc& Desc) { unsigned NumOps = Desc.getNumOperands(); - unsigned CurOp = 0; if (NumOps > 1 && Desc.getOperandConstraint(1, MCOI::TIED_TO) == 0) - ++CurOp; - else if (NumOps > 3 && Desc.getOperandConstraint(2, MCOI::TIED_TO) == 0 && - Desc.getOperandConstraint(3, MCOI::TIED_TO) == 1) + return 1; + if (NumOps > 3 && Desc.getOperandConstraint(2, MCOI::TIED_TO) == 0 && + Desc.getOperandConstraint(3, MCOI::TIED_TO) == 1) // Special case for AVX-512 GATHER with 2 TIED_TO operands // Skip the first 2 operands: dst, mask_wb - CurOp += 2; - else if (NumOps > 3 && Desc.getOperandConstraint(2, MCOI::TIED_TO) == 0 && - Desc.getOperandConstraint(NumOps - 1, MCOI::TIED_TO) == 1) + return 2; + if (NumOps > 3 && Desc.getOperandConstraint(2, MCOI::TIED_TO) == 0 && + Desc.getOperandConstraint(NumOps - 1, MCOI::TIED_TO) == 1) // Special case for GATHER with 2 TIED_TO operands // Skip the first 2 operands: dst, mask_wb - CurOp += 2; - else if (NumOps > 2 && Desc.getOperandConstraint(NumOps - 2, MCOI::TIED_TO) == 0) + return 2; + if (NumOps > 2 && Desc.getOperandConstraint(NumOps - 2, MCOI::TIED_TO) == 0) // SCATTER - ++CurOp; - return CurOp; + return 1; + return 0; } /// getMemoryOperandNo - The function returns the MCInst operand # for the |
