VPMASKMOVQ
AVX2 AVX2 x86_64
VPMASKMOVQ is an instruction of the x86_64 architecture (x86 / x86-64 (covers 16/32/64-bit modes)), category AVX2. This page lists its 6 encoding forms, distinguished by opcode bytes: 8C, 8E.
Each form below links to its full decode: the operand roles and where each one is encoded in the instruction, the flag and register effects, and any micro-op sequence authored for it.
X86_VPMASKMOVQ_X86_LEGACY_ONEBYTE_8C_12559
xmm, xmm, m128
X86_VPMASKMOVQ_X86_LEGACY_ONEBYTE_8C_324623
ymm, ymm, m256
X86_VPMASKMOVQ_X86_LEGACY_ONEBYTE_8E_586376
m256, ymm, ymm
X86_VPMASKMOVQ_X86_LEGACY_ONEBYTE_8E_623893
m128, xmm, xmm
XED_VPMASKMOVQ_X86_LEGACY_ONEBYTE_8C_851323
REG0=XMM_R():w:dq:u64 REG1=XMM_N():r:dq:u64 MEM0:r:dq:u64 REG0=YMM_R():w:qq:u64 REG1=YMM_N():r:qq:u64 MEM0:r:qq:u64
XED_VPMASKMOVQ_X86_LEGACY_ONEBYTE_8E_934774
MEM0:w:dq:u64 REG0=XMM_N():r:dq:u64 REG1=XMM_R():r:dq:u64 MEM0:w:qq:u64 REG0=YMM_N():r:qq:u64 REG1=YMM_R():r:qq:u64