PMOVSXBQ

REG0=XMM_R():w:dq:i64 MEM0:r:w:i8 REG0=XMM_R():w:dq:i64 REG1=XMM_B():r:w:i8

x86_64 X86_LEGACY SSE SSE4 source: xed

XED_PMOVSXBQ_X86_LEGACY_0F38_22_150663

Encoding

encoding_kindX86_LEGACY
opcode_bytes22 0F 38 22
opcode_map0F38
mandatory_prefix-
has_modrmTrue
exception_classSSE_TYPE_5
cpl3
raw_encoding0x0F 0x38 0x22 osz_refining_prefix REFINING66() MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() 0x0F 0x38 0x22 osz_refining_prefix REFINING66() MOD[0b11] MOD=3 REG[rrr] RM[nnn]

Operands (4)

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

Micro-ops sequence (0)

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