VPHADDW
ymm, ymm, ymm/m256
x86_64 X86_LEGACY AVX AVX2 source: asmjit
X86_VPHADDW_X86_LEGACY_ONEBYTE_01_292152
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 01 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | True |
| raw_encoding | [RVM] VEX.256.66.0F38.WIG 01 /r |
Operands (3)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | YMM | y | RW | EXPLICIT | MODRM_REG |
| 1 | REG1 | REG | YMM | y | R | EXPLICIT | MODRM_RM |
| 2 | OP2 | REG | R | EXPLICIT |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.