cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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check_gcctorture_pr28634-1.c (364B)

      1/* PR rtl-optimization/28634.  On targets with delayed branches,
      2   dbr_schedule could do the next iteration's addition in the
      3   branch delay slot, then subtract the value again if the branch
      4   wasn't taken.  This can lead to rounding errors.  */
      5int x = -1;
      6int y = 1;
      7int
      8main (void)
      9{
     10  while (y > 0)
     11    y += x;
     12  if (y != x + 1)
     13    abort ();
     14  exit (0);
     15}