VCVT2PH2HF8S
REG0=YMM_R3():w:qq:hf8 REG1=MASK1():r:mskw:TXT=ZEROSTR REG2=YMM_N3():r:qq:f16 REG3=YMM_B3():r:qq:f16
x86_64 X86_LEGACY CONVERT AVX512_FP8_CONVERT_256 source: xed
XED_VCVT2PH2HF8S_YMMhf8_MASKmskw_YMMf16_YMMf16_AVX512
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 1B |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| vex_l | 1 |
| attributes | FIXED_ROUNDING_RNE MASKOP_EVEX |
| exception_class | AVX512-E4NF |
| cpl | 3 |
| raw_encoding | EVV 0x1B VF2 MAP5 MOD[0b11] MOD=3 BCRC=0 UBIT=1 REG[rrr] RM[nnn] W0 VL256 |
Operands (4)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | w | W | EXPLICIT | MODRM_REG | |
| 1 | REG1 | REG | R | EXPLICIT | MODRM_REG | ||
| 2 | REG2 | REG | R | EXPLICIT | MODRM_REG | ||
| 3 | REG3 | REG | R | EXPLICIT | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.