CMOVBE

REG0=GPRv_R():cw MEM0:r:v REG0=GPRv_R():cw REG1=GPRv_B():r

x86_64 X86_LEGACY APX CMOV source: xed

XED_CMOVBE_X86_LEGACY_0F_46_179658

Encoding

encoding_kindX86_LEGACY
opcode_bytes46 0F 46
opcode_map0F
mandatory_prefix-
has_modrmTrue
cpl3
raw_encoding0x0F 0x46 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() 0x0F 0x46 MOD[0b11] MOD=3 REG[rrr] RM[nnn]

Operands (4)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG CW EXPLICIT MODRM_REG
1 MEM0 MEM v R EXPLICIT MODRM_RM
2 REG1 REG CW EXPLICIT MODRM_REG
3 REG2 REG R EXPLICIT MODRM_REG

Flag effects (2)

CF = READ ZF = READ

Micro-ops sequence (0)

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