{ir.OSUB, types.TINT64}:   ssa.OpSub64,
	{ir.OSUB, types.TUINT64}:  ssa.OpSub64,
	{ir.OSUB, types.TFLOAT32}: ssa.OpSub32F,
	{ir.OSUB, types.TFLOAT64}: ssa.OpSub64F,

	{ir.ONOT, types.TBOOL}: ssa.OpNot,

	{ir.ONEG, types.TINT8}:    ssa.OpNeg8,
	{ir.ONEG, types.TUINT8}:   ssa.OpNeg8,
	{ir.ONEG, types.TINT16}:   ssa.OpNeg16,
	{ir.ONEG, types.TUINT16}:  ssa.OpNeg16,

	case OpNeqB:
		v.Op = OpPPC64XOR
		return true
	case OpNeqPtr:
		return rewriteValuePPC64_OpNeqPtr(v)
	case OpNilCheck:
		v.Op = OpPPC64LoweredNilCheck
		return true
	case OpNot:
		return rewriteValuePPC64_OpNot(v)
	case OpOffPtr:
		return rewriteValuePPC64_OpOffPtr(v)
	case OpOr16:
		v.Op = OpPPC64OR
		return true
	case OpOr32:
		v.Op = OpPPC64OR
		return true