K6/PII SYSENTER/SYSEXIT?

Ingo Molnar (mingo@pc7537.hil.siemens.at)
Tue, 5 Aug 1997 13:05:53 +0200 (MET DST)


does anyone know how much latency the SYSTENTER/SYSEXIT instructions have?
(opcode 0f 05 and 0f 07). Are they better than the 85 cycles int $80 +
iret pair?

-- mingo