VPCMPISTRM
REG0=XMM_R():r:dq MEM0:r:dq IMM0:r:b REG1=XED_REG_XMM0:w:dq:SUPP REG0=XMM_R():r:dq REG1=XMM_B():r:dq IMM0:r:b REG2=XED_REG_XMM0:w:dq:SUPP
x86_64 X86_LEGACY STTNI AVX source: xed
XED_VPCMPISTRM_X86_LEGACY_ONEBYTE_62_681501
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 62 62 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 0 |
| imm_size_bytes | 1 |
| exception_class | avx-type-4 |
| cpl | 3 |
| raw_encoding | VV1 0x62 VL128 V66 V0F3A NOVSR MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() UIMM8() VV1 0x62 VL128 V66 V0F3A NOVSR MOD[0b11] MOD=3 REG[rrr] RM[nnn] UIMM8() |
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 | IMM0 | IMM | b | R | EXPLICIT | IMM | |
| 3 | REG1 | REG | (=XMM0) | w | W | SUPPRESSED | MODRM_REG |
| 4 | REG2 | REG | R | EXPLICIT | MODRM_REG | ||
| 5 | REG3 | REG | R | EXPLICIT | MODRM_REG | ||
| 6 | IMM1 | IMM | b | R | EXPLICIT | IMM | |
| 7 | REG4 | REG | (=XMM0) | w | W | SUPPRESSED | MODRM_REG |
Flag effects (6)
CF = WRITE
PF = SET_0
AF = SET_0
ZF = WRITE
SF = WRITE
OF = WRITE
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.