TPAUSE

REG0=GPR32_B():r:d:u32 REG1=XED_REG_EDX:r:SUPP:d:u32 REG2=XED_REG_EAX:r:SUPP:d:u32

x86_64 X86_LEGACY WAITPKG WAITPKG source: xed

XED_TPAUSE_GPR32u32

Encoding

encoding_kindX86_LEGACY
opcode_bytesAE
opcode_map0F
mandatory_prefix-
has_modrmTrue
modrm.reg = /6/6
cpl3
raw_encoding0x0F 0xAE MOD[0b11] MOD=3 REG[0b110] RM[nnn] osz_refining_prefix

Operands (3)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG d R EXPLICIT MODRM_REG
1 REG1 REG (=EDX) d R SUPPRESSED MODRM_REG
2 REG2 REG (=EAX) d R SUPPRESSED 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.