JS
RELBR:r:b:i8 REG0=XED_REG_RIP:rw:SUPP RELBR:r:b:i8 REG0=XED_REG_EIP:rw:SUPP
x86_64 X86_LEGACY COND_BR I86 source: xed branch
XED_JS_X86_LEGACY_ONEBYTE_78_428934
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 78 78 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| requires_mode | long |
| attributes | MPX_PREFIX_ABLE |
| cpl | 3 |
| raw_encoding | 0x78 mode64 norex2_prefix FORCE64() BRANCH_HINT() BRDISP8() 0x78 not64 BRANCH_HINT() BRDISP8() |
Operands (4)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | RELBR | REL_BR | b | R | EXPLICIT | IMM | |
| 1 | REG0 | REG | (=RIP) | RW | SUPPRESSED | MODRM_REG | |
| 2 | RELBR | REL_BR | b | R | EXPLICIT | IMM | |
| 3 | REG1 | REG | (=EIP) | RW | SUPPRESSED | MODRM_REG |
Flag effects (1)
SF = READ
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.