SWAPGS

REG0=XED_REG_GSBASE:rw:SUPP

x86_64 X86_LEGACY SYSTEM LONGMODE source: xed

XED_SWAPGS_X86_LEGACY_0F_01_690094

Encoding

encoding_kindX86_LEGACY
opcode_bytes01
opcode_map0F
mandatory_prefix-
has_modrmTrue
modrm.reg = /7/7
requires_modelong
attributesRING0 NOTSX
cpl0
raw_encoding0x0F 0x01 MOD[0b11] MOD=3 REG[0b111] RM[0b000] mode64

Operands (1)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG RW SUPPRESSED MODRM_REG

Micro-ops sequence (0)

No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.