FSGSBASE Instructions
4 x86 instructions in this extension - click any row for encoding, pseudocode, and full documentation.
| Mnemonic | Syntax | Format | Summary |
|---|---|---|---|
| rdfsbase | RDFSBASE r64 | Legacy | Reads the FS base address into a register. |
| rdgsbase | RDGSBASE r64 | Legacy | Reads the GS base address into a register. |
| wrfsbase | WRFSBASE r64 | Legacy | Writes a register to the FS base address. |
| wrgsbase | WRGSBASE r64 | Legacy | Writes a register to the GS base address. |