| Bit | Name | Meaning | |
|---|---|---|---|
| 0 | IE | Flags to indicate if any exception was detected. | Invalid Operation |
| 1 | DE | Denormal | |
| 2 | ZE | Divide-by-Zero | |
| 3 | OE | Overflow | |
| 4 | UE | Underflow | |
| 5 | PE | Precision | |
| 6 | DAZ | Denormals Are Zeros | |
| 7 | IM | Mask for each type of exception. | Invalid Operation |
| 8 | DM | Denormal | |
| 9 | ZM | Divide-by-Zero | |
| 10 | OM | Overflow | |
| 11 | UM | Underflow | |
| 12 | PM | Precision | |
| 14:13 | RC | Round Control 00: round to nearest even 01: round toward negative infinity 10: round toward positive infinity 11: round toward zero |
|
| 15 | FZ | Flush to Zero | |