Nios® V Processor Reference Manual

ID 683632
Date 4/01/2024
Document Table of Contents IEEE 754 Exception Conditions

The FPU offers different IEEE 754 exceptions support when targeting on different Intel FPGA devices. The fcsr register holds the accrued exception flags.
Table 65.  IEEE 754 Exception Support
IEEE 754 Exception Arria® 10, Cyclone® 10 GX Other Intel FPGA devices
Invalid (NV)
Division by Zero (DZ)
Overflow (OF)
Underflow (UF) Incomplete
Inexact (NX) Incomplete