UNDERFLOW/OVERFLOW DETECTION PRIOR TO NORMALIZATION

摘要

Methods and apparatuses for generating a condition code for a floating point number operation prior to normalization. A processor receives an intermediate result for an operation, wherein the intermediate result comprises an intermediate significand and an intermediate exponent. A processor determines a mask based on the value of the intermediate exponent. A processor generates a masked significand by applying the mask to the intermediate significand. A processor generates a condition code based on the masked significand having a predetermined value.

主权项

1. A method of generating a condition code for a floating point number operation prior to normalization, the method comprising:
receiving, by one or more processors, an intermediate result for an operation, wherein the intermediate result comprises an intermediate significand and an intermediate exponent; determining, by the one or more processors, a mask based, at least in part, on the value of the intermediate exponent; generating, by the one or more processors, a masked significand by applying the mask to the intermediate significand; and generating, by the one or more processors, a condition code based, at least in part, on the masked significand having a predetermined value.