[Bug rtl-optimization/46598] [4.4/4.5/4.6 Regression] Miscompiles computed goto

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46598

--- Comment #12 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-23 
15:01:37 UTC ---
The original testcase should just use

  __asm__ __volatile__("rdtsc":"=a"(havege_hardtick)::"dx");

everywhere.  That fixes the original testcase for me.