Nios® V Processor Reference Manual

ID 683632
Date 10/02/2023
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4.3.4.1. 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 67.  IEEE 754 Exception Support
IEEE 754 Exception Intel® Arria® 10, Intel® Cyclone® 10 GX Other Intel FPGA devices
Invalid (NV)
Division by Zero (DZ)
Overflow (OF)
Underflow (UF) Incomplete
Inexact (NX) Incomplete