RDRAND
REG0=GPRv_B():w
x86_64 X86_LEGACY RDRAND RDRAND source: xed
XED_RDRAND_X86_LEGACY_0F_C7_337158
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | C7 |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| modrm.reg = /6 | /6 |
| cpl | 3 |
| raw_encoding | 0x0F 0xC7 MOD[0b11] MOD=3 REG[0b110] RM[nnn] not_refining |
Operands (1)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | w | W | EXPLICIT | MODRM_REG |
Flag effects (6)
CF = WRITE
PF = SET_0
AF = SET_0
ZF = SET_0
SF = SET_0
OF = SET_0
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.