BNDMOV

REG0=BND_B():w REG1=BND_R():r MEM0:w:q:u32 REG0=BND_R():r MEM0:w:q:u32 REG0=BND_R():r MEM0:w:dq:u64 REG0=BND_R():r

x86_64 X86_LEGACY MPX MPX source: xed

XED_BNDMOV_X86_LEGACY_0F_1B_237432

Encoding

encoding_kindX86_LEGACY
opcode_bytes1B 0F 1B 0F 1B 0F 1B
opcode_map0F
mandatory_prefix-
has_modrmTrue
requires_modelong
cpl3
raw_encoding0x0F 0x1B MPXMODE=1 MOD[0b11] MOD=3 REG[rrr] RM[nnn] osz_refining_prefix REFINING66() 0x0F 0x1B MPXMODE=1 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() osz_refining_prefix REFINING66() mode16 eamode32 0x0F 0x1B MPXMODE=1 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() osz_refining_prefix REFINING66() mode32 eamode32 0x0F 0x1B MPXMODE=1 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() osz_refining_prefix REFINING66() mode64

Operands (8)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG w W EXPLICIT MODRM_REG
1 REG1 REG R EXPLICIT MODRM_REG
2 MEM0 MEM w W EXPLICIT MODRM_RM
3 REG2 REG R EXPLICIT MODRM_REG
4 MEM1 MEM w W EXPLICIT MODRM_RM
5 REG3 REG R EXPLICIT MODRM_REG
6 MEM2 MEM w W EXPLICIT MODRM_RM
7 REG4 REG R EXPLICIT MODRM_REG

Micro-ops sequence (0)

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