VFRCZSS

REG0=XMM_R():w:dq:f32 MEM0:r:d:f32 REG0=XMM_R():w:dq:f32 REG1=XMM_B():r:d:f32

x86_64 X86_LEGACY XOP XOP source: xed

XED_VFRCZSS_X86_LEGACY_ONEBYTE_82_399554

Encoding

encoding_kindX86_LEGACY
opcode_bytes82 82
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
vex_l0
attributesSIMD_SCALAR MXCSR AMDONLY
cpl3
raw_encodingXOPV 0x82 VNP W0 VL128 NOVSR XMAP9 MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() XOPV 0x82 VNP W0 VL128 NOVSR XMAP9 MOD[0b11] MOD=3 REG[rrr] RM[nnn]

Operands (4)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG w W EXPLICIT MODRM_REG
1 MEM0 MEM d R EXPLICIT MODRM_RM
2 REG1 REG w W EXPLICIT MODRM_REG
3 REG2 REG d R EXPLICIT MODRM_REG

Micro-ops sequence (0)

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