MOVHLPS

REG0=XMM_R():rw:q:f32 REG1=XMM_B():r:q:f32

x86_64 X86_LEGACY DATAXFER SSE source: xed

XED_MOVHLPS_X86_LEGACY_0F_12_728855

Encoding

encoding_kindX86_LEGACY
opcode_bytes12
opcode_map0F
mandatory_prefix-
has_modrmTrue
exception_classSSE_TYPE_7
cpl3
raw_encoding0x0F 0x12 no_refining_prefix MOD[0b11] MOD=3 REG[rrr] RM[nnn]

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG q RW EXPLICIT MODRM_REG
1 REG1 REG q R EXPLICIT MODRM_REG

Micro-ops sequence (0)

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