FXRSTOR64

MEM0:r:mfpxenv REG0=XED_REG_X87CONTROL:w:SUPP

x86_64 X86_LEGACY SSE FXSAVE64 source: xed

XED_FXRSTOR64_X86_LEGACY_0F_AE_650687

Encoding

encoding_kindX86_LEGACY
opcode_bytesAE
opcode_map0F
mandatory_prefix-
has_modrmTrue
modrm.reg = /1/1
rex_w1
attributesxmm_state_w REQUIRES_ALIGNMENT x87_mmx_state_w X87_NOWAIT X87_CONTROL NOTSX
cpl3
raw_encoding0x0F 0xAE MOD[mm] MOD!=3 REG[0b001] RM[nnn] no_refining_prefix rexw_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.