VPGATHERQD

REG0=XMM_R():crw:dq:u32 MEM0:r:d:u32 REG1=XMM_N():rw:dq:i32 REG0=XMM_R():crw:q:u32 MEM0:r:d:u32 REG1=XMM_N():rw:q:i32

x86_64 X86_LEGACY GATHER AVX2GATHER source: xed

XED_VPGATHERQD_XMMu32_MEMd_XMMi32_VL256 VPGATHERQD_XMMu32_MEMd_XMMi32_VL128

Encoding

encoding_kindX86_LEGACY
opcode_bytes91 91
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l0
attributesgather QWORD_INDICES ELEMENT_SIZE_d SPECIAL_AGEN_REQUIRED
exception_classavx-type-12
cpl3
raw_encodingVV1 0x91 VL256 V66 V0F38 W0 MOD[mm] MOD!=3 REG[rrr] RM[nnn] RM=4 VMODRM_YMM() eanot16 VV1 0x91 VL128 V66 V0F38 W0 MOD[mm] MOD!=3 REG[rrr] RM[nnn] RM=4 VMODRM_XMM() eanot16

Operands (6)

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

Micro-ops sequence (0)

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