SHA256RNDS2
REG0=XMM_R():rw:dq:i32 MEM0:r:dq:i32 REG1=XED_REG_XMM0:r:SUPP:dq:u8
x86_64 X86_LEGACY SHA SHA source: xed
XED_SHA256RNDS2_XMMi32_MEMi32_SHA
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | CB |
| opcode_map | 0F38 |
| mandatory_prefix | - |
| has_modrm | True |
| attributes | REQUIRES_ALIGNMENT |
| exception_class | SSE_TYPE_4 |
| cpl | 3 |
| raw_encoding | 0x0F 0x38 0xCB MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() no_refining_prefix |
Operands (3)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | RW | EXPLICIT | MODRM_REG | ||
| 1 | MEM0 | MEM | R | EXPLICIT | MODRM_RM | ||
| 2 | REG1 | REG | (=XMM0) | R | SUPPRESSED | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.