1. A processing device comprising: an error monitoring module to: detect an error corresponding to data associated with execution of an instruction by the processing device; determine whether the error occurs on a portion of the data that affects a result of the instruction; and enable error detection when it is determined that the error occurs on the portion of the data that affects the result of the execution of the instruction. The processing device of claim 1 wherein the error monitoring module reports the error when it is determined that the error occurs on the portion of the data that affects the result of the execution of the instruction.