VPTEST

REG0=XMM_R():r:dq MEM0:r:dq REG0=XMM_R():r:dq REG1=XMM_B():r:dq REG0=YMM_R():r:qq MEM0:r:qq REG0=YMM_R():r:qq REG1=YMM_B():r:qq

x86_64 X86_LEGACY LOGICAL AVX source: xed

XED_VPTEST_X86_LEGACY_ONEBYTE_17_387850

Encoding

encoding_kindX86_LEGACY
opcode_bytes17 17 17 17
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l1
exception_classavx-type-4
cpl3
raw_encodingVV1 0x17 VL128 V66 V0F38 NOVSR MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() VV1 0x17 VL128 V66 V0F38 NOVSR MOD[0b11] MOD=3 REG[rrr] RM[nnn] VV1 0x17 VL256 V66 V0F38 NOVSR MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() VV1 0x17 VL256 V66 V0F38 NOVSR MOD[0b11] MOD=3 REG[rrr] RM[nnn]

Operands (8)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG R EXPLICIT MODRM_REG
1 MEM0 MEM R EXPLICIT MODRM_RM
2 REG1 REG R EXPLICIT MODRM_REG
3 REG2 REG R EXPLICIT MODRM_REG
4 REG3 REG R EXPLICIT MODRM_REG
5 MEM1 MEM R EXPLICIT MODRM_RM
6 REG4 REG R EXPLICIT MODRM_REG
7 REG5 REG R EXPLICIT MODRM_REG

Flag effects (2)

CF = WRITE ZF = WRITE

Micro-ops sequence (0)

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