x86 Instruction Set Reference
FNOP
No operation
| Opcode | Mnemonic | Description |
|---|---|---|
D9 D0 |
FNOP |
No operation is performed. |
| Description |
|---|
|
Performs no FPU operation. This instruction takes up space in the instruction stream but does not affect the FPU or machine context, except the EIP register. |
| Floating-Point Exceptions |
|---|
| None. |
| Protected Mode Exceptions | ||
|---|---|---|
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| Real-Address Mode Exceptions | ||
|---|---|---|
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| Virtual-8086 Mode Exceptions | ||
|---|---|---|
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