VFRCZPD
XOP XOP x86_64
VFRCZPD is an instruction of the x86_64 architecture (x86 / x86-64 (covers 16/32/64-bit modes)), category XOP. This page lists its 3 encoding forms, distinguished by opcode byte: 81.
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_VFRCZPD_X86_LEGACY_ONEBYTE_81_686876
ymm, ymm/m256
X86_VFRCZPD_X86_LEGACY_ONEBYTE_81_898451
xmm, xmm/m128
XED_VFRCZPD_X86_LEGACY_ONEBYTE_81_772322
REG0=XMM_R():w:dq:f64 MEM0:r:dq:f64 REG0=XMM_R():w:dq:f64 REG1=XMM_B():r:dq:f64 REG0=YMM_R():w:qq:f64 MEM0:r:qq:f64 REG0=YMM_R():w:qq:f64 REG1=YMM_B():r:qq:f64