FXRSTOR
MEM0:r:mfpxenv REG0=XED_REG_X87CONTROL:w:SUPP
x86_64 X86_LEGACY SSE FXSAVE source: xed
XED_FXRSTOR_X86_LEGACY_0F_AE_310592
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | AE |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| modrm.reg = /1 | /1 |
| attributes | xmm_state_w REQUIRES_ALIGNMENT x87_mmx_state_w X87_NOWAIT X87_CONTROL NOTSX |
| cpl | 3 |
| raw_encoding | 0x0F 0xAE MOD[mm] MOD!=3 REG[0b001] RM[nnn] no_refining_prefix norexw_prefix MODRM() |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | MEM0 | MEM | R | EXPLICIT | MODRM_RM | ||
| 1 | REG0 | REG | w | W | SUPPRESSED | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.